This file is indexed.

/usr/share/perl5/Mail/SpamAssassin/PerMsgStatus.pm is in spamassassin 3.4.0-6.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
# <@LICENSE>
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to you under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at:
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# </@LICENSE>

=head1 NAME

Mail::SpamAssassin::PerMsgStatus - per-message status (spam or not-spam)

=head1 SYNOPSIS

  my $spamtest = new Mail::SpamAssassin ({
    'rules_filename'      => '/etc/spamassassin.rules',
    'userprefs_filename'  => $ENV{HOME}.'/.spamassassin/user_prefs'
  });
  my $mail = $spamtest->parse();

  my $status = $spamtest->check ($mail);

  my $rewritten_mail;
  if ($status->is_spam()) {
    $rewritten_mail = $status->rewrite_mail ();
  }
  ...


=head1 DESCRIPTION

The Mail::SpamAssassin C<check()> method returns an object of this
class.  This object encapsulates all the per-message state.

=head1 METHODS

=over 4

=cut

package Mail::SpamAssassin::PerMsgStatus;

use strict;
use warnings;
use re 'taint';

use Errno qw(ENOENT);
use Time::HiRes qw(time);

use Mail::SpamAssassin::Constants qw(:sa);
use Mail::SpamAssassin::AsyncLoop;
use Mail::SpamAssassin::Conf;
use Mail::SpamAssassin::Util qw(untaint_var);
use Mail::SpamAssassin::Util::RegistrarBoundaries;
use Mail::SpamAssassin::Timeout;
use Mail::SpamAssassin::Logger;

use vars qw{
  @ISA @TEMPORARY_METHODS %TEMPORARY_EVAL_GLUE_METHODS
};

@ISA = qw();

# methods defined by the compiled ruleset; deleted in finish_tests()
@TEMPORARY_METHODS = ();

# methods defined by register_plugin_eval_glue(); deleted in finish_tests()
%TEMPORARY_EVAL_GLUE_METHODS = ();

###########################################################################

use vars qw( %common_tags );

BEGIN {
  %common_tags = (

    YESNO => sub {
      my $pms = shift;
      $pms->_get_tag_value_for_yesno(@_);
    },
  
    YESNOCAPS => sub {
      my $pms = shift;
      uc $pms->_get_tag_value_for_yesno(@_);
    },

    SCORE => sub {
      my $pms = shift;
      $pms->_get_tag_value_for_score(@_);
    },

    HITS => sub {
      my $pms = shift;
      $pms->_get_tag_value_for_score(@_);
    },

    REQD => sub {
      my $pms = shift;
      $pms->_get_tag_value_for_required_score(@_);
    },

    VERSION => \&Mail::SpamAssassin::Version,

    SUBVERSION => sub { $Mail::SpamAssassin::SUB_VERSION },

    RULESVERSION => sub {
      my $pms = shift;
      my $conf = $pms->{conf};
      my @fnames;
      @fnames =
        keys %{$conf->{update_version}}  if $conf->{update_version};
      @fnames = sort @fnames  if @fnames > 1;
      join(',', map($conf->{update_version}{$_}, @fnames));
    },

    HOSTNAME => sub {
      my $pms = shift;
      $pms->{conf}->{report_hostname} ||
        Mail::SpamAssassin::Util::fq_hostname();
    },

    REMOTEHOSTNAME => sub {
      my $pms = shift;
      $pms->{tag_data}->{'REMOTEHOSTNAME'} || "localhost";
    },

    REMOTEHOSTADDR => sub {
      my $pms = shift;
      $pms->{tag_data}->{'REMOTEHOSTADDR'} || "127.0.0.1";
    },

    LASTEXTERNALIP => sub {
      my $pms = shift;
      my $lasthop = $pms->{relays_external}->[0];
      $lasthop ? $lasthop->{ip} : '';
    },

    LASTEXTERNALRDNS => sub {
      my $pms = shift;
      my $lasthop = $pms->{relays_external}->[0];
      $lasthop ? $lasthop->{rdns} : '';
    },

    LASTEXTERNALHELO => sub {
      my $pms = shift;
      my $lasthop = $pms->{relays_external}->[0];
      $lasthop ? $lasthop->{helo} : '';
    },

    CONTACTADDRESS => sub {
      my $pms = shift;
      $pms->{conf}->{report_contact};
    },

    BAYES => sub {
      my $pms = shift;
      defined $pms->{bayes_score} ? sprintf("%3.4f", $pms->{bayes_score})
                                   : "0.5";
    },

    DATE => \&Mail::SpamAssassin::Util::time_to_rfc822_date,

    STARS => sub {
      my $pms = shift;
      my $arg = (shift || "*");
      my $length = int($pms->{score});
      $length = 50 if $length > 50;
      $arg x $length;
    },

    AUTOLEARN => sub {
      my $pms = shift;
      $pms->get_autolearn_status();
    },

    AUTOLEARNSCORE => sub {
      my $pms = shift;
      $pms->get_autolearn_points();
    },

    TESTS => sub {
      my $pms = shift;
      my $arg = (shift || ',');
      join($arg, sort(@{$pms->{test_names_hit}})) || "none";
    },

    SUBTESTS => sub {
      my $pms = shift;
      my $arg = (shift || ',');
      join($arg, sort(@{$pms->{subtest_names_hit}})) || "none";
    },

    TESTSSCORES => sub {
      my $pms = shift;
      my $arg = (shift || ",");
      my $line = '';
      foreach my $test (sort @{$pms->{test_names_hit}}) {
        my $score = $pms->{conf}->{scores}->{$test};
        $score = '0'  if !defined $score;
        $line .= $arg  if $line ne '';
        $line .= $test . "=" . $score;
      }
      $line ne '' ? $line : 'none';
    },

    PREVIEW => sub {
      my $pms = shift;
      $pms->get_content_preview();
    },

    REPORT => sub {
      my $pms = shift;
      "\n" . ($pms->{tag_data}->{REPORT} || "");
    },

    HEADER => sub {
      my $pms = shift;
      my $hdr = shift;
      return if !$hdr;
      $pms->get($hdr,undef);
    },

    TIMING => sub {
      my $pms = shift;
      $pms->{main}->timer_report();
    },

    ADDEDHEADERHAM => sub {
      my $pms = shift;
      $pms->_get_added_headers('headers_ham');
    },

    ADDEDHEADERSPAM => sub {
      my $pms = shift;
      $pms->_get_added_headers('headers_spam');
    },

    ADDEDHEADER => sub {
      my $pms = shift;
      $pms->_get_added_headers(
                $pms->{is_spam} ? 'headers_spam' : 'headers_ham');
    },

  );
}

sub new {
  my $class = shift;
  $class = ref($class) || $class;
  my ($main, $msg, $opts) = @_;

  my $self = {
    'main'              => $main,
    'msg'               => $msg,
    'score'             => 0,
    'test_log_msgs'     => { },
    'test_names_hit'    => [ ],
    'subtest_names_hit' => [ ],
    'spamd_result_log_items' => [ ],
    'tests_already_hit' => { },
    'c'                 => { },
    'tag_data'          => { },
    'rule_errors'       => 0,
    'disable_auto_learning' => 0,
    'auto_learn_status' => undef,
    'auto_learn_force_status' => undef,
    'conf'              => $main->{conf},
    'async'             => Mail::SpamAssassin::AsyncLoop->new($main),
    'master_deadline'   => $msg->{master_deadline},  # dflt inherited from msg
    'deadline_exceeded' => 0,  # time limit exceeded, skipping further tests
  };
  #$self->{main}->{use_rule_subs} = 1;

  dbg("check: pms new, time limit in %.3f s",
      $self->{master_deadline} - time)  if $self->{master_deadline};

  if (defined $opts && $opts->{disable_auto_learning}) {
    $self->{disable_auto_learning} = 1;
  }

  # used with "mass-check --loghits"
  if ($self->{main}->{save_pattern_hits}) {
    $self->{save_pattern_hits} = 1;
    $self->{pattern_hits} = { };
  }

  delete $self->{should_log_rule_hits};
  my $dbgcache = would_log('dbg', 'rules');
  if ($dbgcache || $self->{save_pattern_hits}) {
    $self->{should_log_rule_hits} = 1;
  }

  # known valid tags that might not get their entry in pms->{tag_data}
  # in some circumstances
  my $tag_data_ref = $self->{tag_data};
  foreach (qw(SUMMARY REPORT RBL)) { $tag_data_ref->{$_} = '' }
  foreach (qw(AWL AWLMEAN AWLCOUNT AWLPRESCORE
              DCCB DCCR DCCREP PYZOR DKIMIDENTITY DKIMDOMAIN
              BAYESTC BAYESTCLEARNED BAYESTCSPAMMY BAYESTCHAMMY
              HAMMYTOKENS SPAMMYTOKENS TOKENSUMMARY)) {
    $tag_data_ref->{$_} = undef;  # exist, but undefined
  }

  bless ($self, $class);
  $self;
}

sub DESTROY {
  my ($self) = shift;
  local $@;
  eval { $self->delete_fulltext_tmpfile() };  # Bug 5808
}

###########################################################################

=item $status->check ()

Runs the SpamAssassin rules against the message pointed to by the object.

=cut

sub check {
  my ($self) = shift;
  my $master_deadline = $self->{master_deadline};
  if (!$master_deadline) {
    $self->check_timed(@_);
  } else {
    my $t = Mail::SpamAssassin::Timeout->new({ deadline => $master_deadline });
    my $err = $t->run(sub { $self->check_timed(@_) });
    if (time > $master_deadline && !$self->{deadline_exceeded}) {
      info("check: exceeded time limit in pms check");
      $self->{deadline_exceeded} = 1;
    }
  }
}

sub check_timed {
  my ($self) = @_;
  local ($_);

  $self->{learned_points} = 0;
  $self->{body_only_points} = 0;
  $self->{head_only_points} = 0;
  $self->{score} = 0;

  # clear NetSet cache before every check to prevent it growing too large
  foreach my $nset_name (qw(internal_networks trusted_networks msa_networks)) {
    my $netset = $self->{conf}->{$nset_name};
    $netset->ditch_cache()  if $netset;
  }

  $self->{main}->call_plugins ("check_start", { permsgstatus => $self });

  # in order of slowness; fastest first, slowest last.
  # we do ALL the tests, even if a spam triggers lots of them early on.
  # this lets us see ludicrously spammish mails (score: 40) etc., which
  # we can then immediately submit to spamblocking services.
  #
  # TODO: change this to do whitelist/blacklists first? probably a plan
  # NOTE: definitely need AWL stuff last, for regression-to-mean of score

  # TVD: we may want to do more than just clearing out the headers, but ...
  $self->{msg}->delete_header('X-Spam-.*');

  # Resident Mail::SpamAssassin code will possibly never change score
  # sets, even if bayes becomes available.  So we should do a quick check
  # to see if we should go from {0,1} to {2,3}.  We of course don't need
  # to do this switch if we're already using bayes ... ;)
  my $set = $self->{conf}->get_score_set();
  if (($set & 2) == 0 && $self->{main}->{bayes_scanner} && $self->{main}->{bayes_scanner}->is_scan_available()) {
    dbg("check: scoreset $set but bayes is available, switching scoresets");
    $self->{conf}->set_score_set ($set|2);
  }

  # The primary check functionality occurs via a plugin call.  For more
  # information, please see: Mail::SpamAssassin::Plugin::Check
  if (!$self->{main}->call_plugins ("check_main", { permsgstatus => $self }))
  {
    # did anything happen?  if not, this is fatal
    if (!$self->{main}->have_plugin("check_main")) {
      die "check: no loaded plugin implements 'check_main': cannot scan!\n".
            "Check the necessary '.pre' files are in the config directory.\n";
    }
  }

  # delete temporary storage and memory allocation used during checking
  $self->delete_fulltext_tmpfile();

  # now that we've finished checking the mail, clear out this cache
  # to avoid unforeseen side-effects.
  $self->{c} = { };

  # Round the score to 3 decimal places to avoid rounding issues
  # We assume required_score to be properly rounded already.
  # add 0 to force it back to numeric representation instead of string.
  $self->{score} = (sprintf "%0.3f", $self->{score}) + 0;
  
  dbg("check: is spam? score=".$self->{score}.
                        " required=".$self->{conf}->{required_score});
  dbg("check: tests=".$self->get_names_of_tests_hit());
  dbg("check: subtests=".$self->get_names_of_subtests_hit());
  $self->{is_spam} = $self->is_spam();

  $self->{main}->{resolver}->bgabort();
  $self->{main}->call_plugins ("check_end", { permsgstatus => $self });

  1;
}

###########################################################################

=item $status->learn()

After a mail message has been checked, this method can be called.  If the score
is outside a certain range around the threshold, ie. if the message is judged
more-or-less definitely spam or definitely non-spam, it will be fed into
SpamAssassin's learning systems (currently the naive Bayesian classifier),
so that future similar mails will be caught.

=cut

sub learn {
  my ($self) = shift;
  my $master_deadline = $self->{master_deadline};
  if (!$master_deadline) {
    $self->learn_timed(@_);
  } else {
    my $t = Mail::SpamAssassin::Timeout->new({ deadline => $master_deadline });
    my $err = $t->run(sub { $self->learn_timed(@_) });
    if (time > $master_deadline && !$self->{deadline_exceeded}) {
      info("learn: exceeded time limit in pms learn");
      $self->{deadline_exceeded} = 1;
    }
  }
}

sub learn_timed {
  my ($self) = @_;

  if (!$self->{conf}->{bayes_auto_learn} ||
      !$self->{conf}->{use_bayes} ||
      $self->{disable_auto_learning})
  {
    $self->{auto_learn_status} = "disabled";
    return;
  }

  my ($isspam, $force_autolearn, $force_autolearn_names, $arrayref);
  $arrayref = $self->{main}->call_plugins ("autolearn_discriminator", {
      permsgstatus => $self
    });

  $isspam = $arrayref->[0];
  $force_autolearn = $arrayref->[1];
  $force_autolearn_names = $arrayref->[2];

  #AUTOLEARN_FORCE FLAG INFORMATION
  if (defined $force_autolearn and $force_autolearn > 0) {
    $self->{auto_learn_force_status} = "yes";
    if (defined $force_autolearn_names) {
      $self->{auto_learn_force_status} .= " ($force_autolearn_names)";
     }
  } else {
    $self->{auto_learn_force_status} = "no";
  }

  if (!defined $isspam) {
    $self->{auto_learn_status} = 'no';
    return;
  }


  my $timer = $self->{main}->time_method("learn");

  $self->{main}->call_plugins ("autolearn", {
      permsgstatus => $self,
      isspam => $isspam
    });

  # bug 3704: temporarily override learn's ability to re-learn a message
  my $orig_learner = $self->{main}->init_learner({ "no_relearn" => 1 });

  my $eval_stat;
  eval {
    my $learnstatus = $self->{main}->learn ($self->{msg}, undef, $isspam, 0);
    if ($learnstatus->did_learn()) {
      $self->{auto_learn_status} = $isspam ? "spam" : "ham";
    }
    # This must wait until the did_learn call.
    $learnstatus->finish();
    $self->{main}->finish_learner();        # for now

    if (exists $self->{main}->{bayes_scanner}) {
      $self->{main}->{bayes_scanner}->force_close();
    }
    1;
  } or do {
    $eval_stat = $@ ne '' ? $@ : "errno=$!";  chomp $eval_stat;
  };

  # reset learner options to their original values
  $self->{main}->init_learner($orig_learner);

  if (defined $eval_stat) {
    dbg("learn: auto-learning failed: $eval_stat");
    $self->{auto_learn_status} = "failed";
  }
}

=item $score = $status->get_autolearn_points()

Return the message's score as computed for auto-learning.  Certain tests are
ignored:

  - rules with tflags set to 'learn' (the Bayesian rules)

  - rules with tflags set to 'userconf' (user white/black-listing rules, etc)

  - rules with tflags set to 'noautolearn'

Also note that auto-learning occurs using scores from either scoreset 0 or 1,
depending on what scoreset is used during message check.  It is likely that the
message check and auto-learn scores will be different.

=cut

sub get_autolearn_points {
  my ($self) = @_;
  $self->_get_autolearn_points();
  return $self->{autolearn_points};
}

=item $score = $status->get_head_only_points()

Return the message's score as computed for auto-learning, ignoring
all rules except for header-based ones.

=cut

sub get_head_only_points {
  my ($self) = @_;
  $self->_get_autolearn_points();
  return $self->{head_only_points};
}

=item $score = $status->get_learned_points()

Return the message's score as computed for auto-learning, ignoring
all rules except for learning-based ones.

=cut

sub get_learned_points {
  my ($self) = @_;
  $self->_get_autolearn_points();
  return $self->{learned_points};
}

=item $score = $status->get_body_only_points()

Return the message's score as computed for auto-learning, ignoring
all rules except for body-based ones.

=cut

sub get_body_only_points {
  my ($self) = @_;
  $self->_get_autolearn_points();
  return $self->{body_only_points};
}

=item $score = $status->get_autolearn_force_status()

Return whether a message's score included any rules that are flagged as 
autolearn_force.
  
=cut

sub get_autolearn_force_status {
  my ($self) = @_;
  $self->_get_autolearn_points();
  return $self->{autolearn_force};
} 

=item $rule_names = $status->get_autolearn_force_names()

Return a list of comma separated list of rule names if a message's 
score included any rules that are flagged as autolearn_force.
  
=cut

sub get_autolearn_force_names {
  my ($self) = @_;
  my ($names);

  $self->_get_autolearn_points();
  $names = $self->{autolearn_force_names};
 
  if (defined $names) { 
    #remove trailing comma
    $names =~ s/,$//;
  } else {
    $names = "";
  }

  return $names;
}

sub _get_autolearn_points {
  my ($self) = @_;

  return if (exists $self->{autolearn_points});
  # ensure it only gets computed once, even if we return early
  $self->{autolearn_points} = 0;

  # This function needs to use use sum($score[scoreset % 2]) not just {score}.
  # otherwise we shift what we autolearn on and it gets really wierd.  - tvd
  my $orig_scoreset = $self->{conf}->get_score_set();
  my $new_scoreset = $orig_scoreset;
  my $scores = $self->{conf}->{scores};

  if (($orig_scoreset & 2) == 0) { # we don't need to recompute
    dbg("learn: auto-learn: currently using scoreset $orig_scoreset");
  }
  else {
    $new_scoreset = $orig_scoreset & ~2;
    dbg("learn: auto-learn: currently using scoreset $orig_scoreset, recomputing score based on scoreset $new_scoreset");
    $scores = $self->{conf}->{scoreset}->[$new_scoreset];
  }

  my $tflags = $self->{conf}->{tflags};
  my $points = 0;

  # Just in case this function is called multiple times, clear out the
  # previous calculated values
  $self->{learned_points} = 0;
  $self->{body_only_points} = 0;
  $self->{head_only_points} = 0;
  $self->{autolearn_force} = 0;

  foreach my $test (@{$self->{test_names_hit}}) {
    # According to the documentation, noautolearn, userconf, and learn
    # rules are ignored for autolearning.
    if (exists $tflags->{$test}) {
      next if $tflags->{$test} =~ /\bnoautolearn\b/;
      next if $tflags->{$test} =~ /\buserconf\b/;

      # Keep track of the learn points for an additional autolearn check.
      # Use the original scoreset since it'll be 0 in sets 0 and 1.
      if ($tflags->{$test} =~ /\blearn\b/) {
	# we're guaranteed that the score will be defined
        $self->{learned_points} += $self->{conf}->{scoreset}->[$orig_scoreset]->{$test};
	next;
      }
    
      #IF ANY RULES ARE AUTOLEARN FORCE, SET THAT FLAG  
      if ($tflags->{$test} =~ /\bautolearn_force\b/) {
        $self->{autolearn_force}++;
        #ADD RULE NAME TO LIST
        $self->{autolearn_force_names}.="$test,";
      }
    }

    # ignore tests with 0 score (or undefined) in this scoreset
    next if !$scores->{$test};

    # Go ahead and add points to the proper locations 
    # Changed logic because in testing, I was getting both head and body. Bug 5503
    if ($self->{conf}->maybe_header_only ($test)) {
      $self->{head_only_points} += $scores->{$test};
      dbg("learn: auto-learn: adding head_only points $scores->{$test}");
    } elsif ($self->{conf}->maybe_body_only ($test)) {
      $self->{body_only_points} += $scores->{$test};
      dbg("learn: auto-learn: adding body_only points $scores->{$test}");
    } else {
      dbg("learn: auto-learn: not considered head or body scores: $scores->{$test}");
    }

    $points += $scores->{$test};
  }

  # Figure out the final value we'll use for autolearning
  $points = (sprintf "%0.3f", $points) + 0;
  dbg("learn: auto-learn: message score: ".$self->{score}.", computed score for autolearn: $points");

  $self->{autolearn_points} = $points;
}

###########################################################################

=item $isspam = $status->is_spam ()

After a mail message has been checked, this method can be called.  It will
return 1 for mail determined likely to be spam, 0 if it does not seem
spam-like.

=cut

sub is_spam {
  my ($self) = @_;
  # changed to test this so sub-tests can ask "is_spam" during a run
  return ($self->{score} >= $self->{conf}->{required_score});
}

###########################################################################

=item $list = $status->get_names_of_tests_hit ()

After a mail message has been checked, this method can be called. It will
return a comma-separated string, listing all the symbolic test names
of the tests which were trigged by the mail.

=cut

sub get_names_of_tests_hit {
  my ($self) = @_;

  return join(',', sort(@{$self->{test_names_hit}}));
}

###########################################################################

=item $list = $status->get_names_of_subtests_hit ()

After a mail message has been checked, this method can be called.  It will
return a comma-separated string, listing all the symbolic test names of the
meta-rule sub-tests which were trigged by the mail.  Sub-tests are the
normally-hidden rules, which score 0 and have names beginning with two
underscores, used in meta rules.

=cut

sub get_names_of_subtests_hit {
  my ($self) = @_;

  return join(',', sort(@{$self->{subtest_names_hit}}));
}

###########################################################################

=item $num = $status->get_score ()

After a mail message has been checked, this method can be called.  It will
return the message's score.

=cut

sub get_score {
  my ($self) = @_;
  return $self->{score};
}

# left as backward compatibility
sub get_hits {
  my ($self) = @_;
  return $self->{score};
}

###########################################################################

=item $num = $status->get_required_score ()

After a mail message has been checked, this method can be called.  It will
return the score required for a mail to be considered spam.

=cut

sub get_required_score {
  my ($self) = @_;
  return $self->{conf}->{required_score};
}

# left as backward compatibility
sub get_required_hits {
  my ($self) = @_;
  return $self->{conf}->{required_score};
}

###########################################################################

=item $num = $status->get_autolearn_status ()

After a mail message has been checked, this method can be called.  It will
return one of the following strings depending on whether the mail was
auto-learned or not: "ham", "no", "spam", "disabled", "failed", "unavailable".

It also returns is flagged with auto_learn_force, it will also include the status
and the rules hit.  For example: "autolearn_force=yes (AUTOLEARNTEST_BODY)"

=cut

sub get_autolearn_status {
  my ($self) = @_;
  my ($status) = $self->{auto_learn_status} || "unavailable";

  if (defined $self->{auto_learn_force_status}) {
    $status .= " autolearn_force=".$self->{auto_learn_force_status};
  }

  return $status;
}

###########################################################################

=item $report = $status->get_report ()

Deliver a "spam report" on the checked mail message.  This contains details of
how many spam detection rules it triggered.

The report is returned as a multi-line string, with the lines separated by
C<\n> characters.

=cut

sub get_report {
  my ($self) = @_;

  if (!exists $self->{'report'}) {
    my $report;

    my $timer = $self->{main}->time_method("get_report");
    $report = $self->{conf}->{report_template};
    $report ||= '(no report template found)';

    $report = $self->_replace_tags($report);

    $report =~ s/\n*$/\n\n/s;
    $self->{report} = $report;
  }

  return $self->{report};
}

###########################################################################

=item $preview = $status->get_content_preview ()

Give a "preview" of the content.

This is returned as a multi-line string, with the lines separated by C<\n>
characters, containing a fully-decoded, safe, plain-text sample of the first
few lines of the message body.

=cut

sub get_content_preview {
  my ($self) = @_;

  my $str = '';
  my $ary = $self->get_decoded_stripped_body_text_array();
  shift @{$ary};                # drop the subject line

  my $numlines = 3;
  while (length ($str) < 200 && @{$ary} && $numlines-- > 0) {
    $str .= shift @{$ary};
  }
  undef $ary;
  chomp ($str); $str .= " [...]\n";

  # in case the last line was huge, trim it back to around 200 chars
  local $1;
  $str =~ s/^(.{,200}).*$/$1/gs;

  # now, some tidy-ups that make things look a bit prettier
  $str =~ s/-----Original Message-----.*$//gs;
  $str =~ s/This is a multi-part message in MIME format\.//gs;
  $str =~ s/[-_\*\.]{10,}//gs;
  $str =~ s/\s+/ /gs;

  # add "Content preview:" ourselves, so that the text aligns
  # correctly with the template -- then trim it off.  We don't
  # have to get this *exactly* right, but it's nicer if we
  # make a bit of an effort ;)
  $str = Mail::SpamAssassin::Util::wrap($str, "  ", "Content preview:  ", 75, 1);
  $str =~ s/^Content preview:\s+//gs;

  return $str;
}

###########################################################################

=item $msg = $status->get_message()

Return the object representing the message being scanned.

=cut

sub get_message {
  my ($self) = @_;
  return $self->{msg};
}

###########################################################################

=item $status->rewrite_mail ()

Rewrite the mail message.  This will at minimum add headers, and at
maximum MIME-encapsulate the message text, to reflect its spam or not-spam
status.  The function will return a scalar of the rewritten message.

The actual modifications depend on the configuration (see
C<Mail::SpamAssassin::Conf> for more information).

The possible modifications are as follows:

=over 4

=item To:, From: and Subject: modification on spam mails

Depending on the configuration, the To: and From: lines can have a
user-defined RFC 2822 comment appended for spam mail. The subject line
may have a user-defined string prepended to it for spam mail.

=item X-Spam-* headers for all mails

Depending on the configuration, zero or more headers with names
beginning with C<X-Spam-> will be added to mail depending on whether
it is spam or ham.

=item spam message with report_safe

If report_safe is set to true (1), then spam messages are encapsulated
into their own message/rfc822 MIME attachment without any modifications
being made.

If report_safe is set to false (0), then the message will only have the
above headers added/modified.

=back

=cut

sub rewrite_mail {
  my ($self) = @_;

  my $timer = $self->{main}->time_method("rewrite_mail");
  my $msg = $self->{msg}->get_mbox_separator() || '';

  if ($self->{is_spam} && $self->{conf}->{report_safe}) {
    $msg .= $self->rewrite_report_safe();
  }
  else {
    $msg .= $self->rewrite_no_report_safe();
  }

  return $msg;
}

# Make the line endings in the passed string reference appropriate
# for the original mail.   Callers must note bug 5250: don't rewrite
# the message body, since that will corrupt 8bit attachments/MIME parts.
#
sub _fixup_report_line_endings {
  my ($self, $strref) = @_;
  if ($self->{msg}->{line_ending} ne "\n") {
    $$strref =~ s/\r?\n/$self->{msg}->{line_ending}/gs;
  }
}

sub _get_added_headers {
  my ($self, $which) = @_;
  my $str = '';
  # use string appends to put this back together -- I finally benchmarked it.
  # join() is 56% of the speed of just using string appends. ;)
  foreach my $hf_ref (@{$self->{conf}->{$which}}) {
    my($hfname, $hfbody) = @$hf_ref;
    my $line = $self->_process_header($hfname,$hfbody);
    $line = $self->qp_encode_header($line);
    $str .= "X-Spam-$hfname: $line\n";
  }
  return $str;
};

# rewrite the message in report_safe mode
# should not be called directly, use rewrite_mail instead
#
sub rewrite_report_safe {
  my ($self) = @_;

  # This is the original message.  We do not want to make any modifications so
  # we may recover it if necessary.  It will be put into the new message as a
  # message/rfc822 MIME part.
  my $original = $self->{msg}->get_pristine();

  # This is the new message.
  my $newmsg = '';

  # the report charset
  my $report_charset = "; charset=iso-8859-1";
  if ($self->{conf}->{report_charset}) {
    $report_charset = "; charset=" . $self->{conf}->{report_charset};
  }

  # the SpamAssassin report
  my $report = $self->get_report();

  # If there are any wide characters, need to MIME-encode in UTF-8
  # TODO: If $report_charset is something other than iso-8859-1/us-ascii, then
  # we could try converting to that charset if possible
  unless ($] < 5.008 || utf8::downgrade($report, 1)) {
      $report_charset = "; charset=utf-8";
      utf8::encode($report);
  }

  # get original headers, "pristine" if we can do it
  my $from = $self->{msg}->get_pristine_header("From");
  my $to = $self->{msg}->get_pristine_header("To");
  my $cc = $self->{msg}->get_pristine_header("Cc");
  my $subject = $self->{msg}->get_pristine_header("Subject");
  my $msgid = $self->{msg}->get_pristine_header('Message-Id');
  my $date = $self->{msg}->get_pristine_header("Date");

  # It'd be nice to do this with a foreach loop, but with only three
  # possibilities right now, it's easier not to...

  if (defined $self->{conf}->{rewrite_header}->{Subject}) {
    $subject = "\n" if !defined $subject;
    my $tag = $self->_replace_tags($self->{conf}->{rewrite_header}->{Subject});
    $tag =~ s/\n/ /gs; # strip tag's newlines
    $subject =~ s/^(?:\Q${tag}\E )?/${tag} /g; # For some reason the tag may already be there!?
  }

  if (defined $self->{conf}->{rewrite_header}->{To}) {
    $to = "\n" if !defined $to;
    my $tag = $self->_replace_tags($self->{conf}->{rewrite_header}->{To});
    $tag =~ s/\n/ /gs; # strip tag's newlines
    $to =~ s/(?:\t\Q(${tag})\E)?$/\t(${tag})/;
  }

  if (defined $self->{conf}->{rewrite_header}->{From}) {
    $from = "\n" if !defined $from;
    my $tag = $self->_replace_tags($self->{conf}->{rewrite_header}->{From});
    $tag =~ s/\n+//gs; # strip tag's newlines
    $from =~ s/(?:\t\Q(${tag})\E)?$/\t(${tag})/;
  }

  # add report headers to message
  $newmsg .= "From: $from" if defined $from;
  $newmsg .= "To: $to" if defined $to;
  $newmsg .= "Cc: $cc" if defined $cc;
  $newmsg .= "Subject: $subject" if defined $subject;
  $newmsg .= "Date: $date" if defined $date;
  $newmsg .= "Message-Id: $msgid" if defined $msgid;
  $newmsg .= $self->_get_added_headers('headers_spam');

  if (defined $self->{conf}->{report_safe_copy_headers}) {
    my %already_added = map { $_ => 1 } qw/from to cc subject date message-id/;

    foreach my $hdr (@{$self->{conf}->{report_safe_copy_headers}}) {
      next if exists $already_added{lc $hdr};
      my @hdrtext = $self->{msg}->get_pristine_header($hdr);
      $already_added{lc $hdr}++;

      if (lc $hdr eq "received") { # add Received at the top ...
          my $rhdr = "";
          foreach (@hdrtext) {
            $rhdr .= "$hdr: $_";
          }
          $newmsg = "$rhdr$newmsg";
      }
      else {
        foreach (@hdrtext) {
          $newmsg .= "$hdr: $_";
        }
      }
    }
  }

  # jm: add a SpamAssassin Received header to note markup time etc.
  # emulates the fetchmail style.
  # tvd: do this after report_safe_copy_headers so Received will be done correctly
  $newmsg = "Received: from localhost by " .
              Mail::SpamAssassin::Util::fq_hostname() . "\n" .
            "\twith SpamAssassin (version " . 
              Mail::SpamAssassin::Version() . ");\n" .
            "\t" . Mail::SpamAssassin::Util::time_to_rfc822_date() . "\n" .
            $newmsg;

  # MIME boundary
  my $boundary = "----------=_" . sprintf("%08X.%08X",time,int(rand(2 ** 32)));

  # ensure it's unique, so we can't be attacked this way
  while ($original =~ /^\Q${boundary}\E(?:--)?$/m) {
    $boundary .= "/".sprintf("%08X",int(rand(2 ** 32)));
  }

  # determine whether Content-Disposition should be "attachment" or "inline"
  my $disposition;
  my $ct = $self->{msg}->get_header("Content-Type");
  if (defined $ct && $ct ne '' && $ct !~ m{text/plain}i) {
    $disposition = "attachment";
    $report .= $self->_replace_tags($self->{conf}->{unsafe_report_template});
    # if we wanted to defang the attachment, this would be the place
  }
  else {
    $disposition = "inline";
  }

  my $type = "message/rfc822";
  $type = "text/plain" if $self->{conf}->{report_safe} > 1;

  my $description = $self->{conf}->{'encapsulated_content_description'};

  # Note: the message should end in blank line since mbox format wants
  # blank line at end and messages may be concatenated!  In addition, the
  # x-spam-type parameter is fixed since we will use it later to recognize
  # original messages that can be extracted.
  $newmsg .= <<"EOM";
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="$boundary"

This is a multi-part message in MIME format.

--$boundary
Content-Type: text/plain$report_charset
Content-Disposition: inline
Content-Transfer-Encoding: 8bit

$report

--$boundary
Content-Type: $type; x-spam-type=original
Content-Description: $description
Content-Disposition: $disposition
Content-Transfer-Encoding: 8bit

EOM

  my $newmsgtrailer = "\n--$boundary--\n\n";

  # now fix line endings in both headers, report_safe body parts,
  # and new MIME boundaries and structure
  $self->_fixup_report_line_endings(\$newmsg);
  $self->_fixup_report_line_endings(\$newmsgtrailer);
  $newmsg .= $original.$newmsgtrailer;

  return $newmsg;
}

# rewrite the message in non-report_safe mode (just headers)
# should not be called directly, use rewrite_mail instead
#
sub rewrite_no_report_safe {
  my ($self) = @_;

  # put the pristine headers into an array
  # skip the X-Spam- headers, but allow the X-Spam-Prev headers to remain.
  # since there may be a missing header/body 
  #
  my @pristine_headers = split(/^/m, $self->{msg}->get_pristine_header());
  for (my $line = 0; $line <= $#pristine_headers; $line++) {
    next unless ($pristine_headers[$line] =~ /^X-Spam-(?!Prev-)/i);
    splice @pristine_headers, $line, 1 while ($pristine_headers[$line] =~ /^(?:X-Spam-(?!Prev-)|[ \t])/i);
    $line--;
  }
  my $separator = '';
  if (@pristine_headers && $pristine_headers[$#pristine_headers] =~ /^\s*$/) {
    $separator = pop @pristine_headers;
  }

  my $addition = 'headers_ham';

  if($self->{is_spam})
  {
      # special-case: Subject lines.  ensure one exists, if we're
      # supposed to mark it up.
      my $created_subject = 0;
      my $subject = $self->{msg}->get_pristine_header('Subject');
      if (!defined($subject) && $self->{is_spam}
            && exists $self->{conf}->{rewrite_header}->{'Subject'})
      {
        push(@pristine_headers, "Subject: \n");
        $created_subject = 1;
      }

      # Deal with header rewriting
      foreach (@pristine_headers) {
        # if we're not going to do a rewrite, skip this header!
        next if (!/^(From|Subject|To):/i);
	my $hdr = ucfirst(lc($1));
	next if (!defined $self->{conf}->{rewrite_header}->{$hdr});

	# pop the original version onto the end of the header array
        if ($created_subject) {
          push(@pristine_headers, "X-Spam-Prev-Subject: (nonexistent)\n");
        } else {
          push(@pristine_headers, "X-Spam-Prev-$_");
        }

	# Figure out the rewrite piece
        my $tag = $self->_replace_tags($self->{conf}->{rewrite_header}->{$hdr});
        $tag =~ s/\n/ /gs;

	# The tag should be a comment for this header ...
	$tag = "($tag)" if ($hdr =~ /^(?:From|To)$/);

        local $1;
        s/^([^:]+:)[ \t]*(?:\Q${tag}\E )?/$1 ${tag} /i;
      }

      $addition = 'headers_spam';
  }

  # Break the pristine header set into two blocks; $new_hdrs_pre is the stuff
  # that we want to ensure comes before any SpamAssassin markup headers,
  # like the Return-Path header (see bug 3409).
  #
  # all the rest of the message headers (as left in @pristine_headers), is
  # to be placed after the SpamAssassin markup hdrs. Once one of those headers
  # is seen, all further headers go into that set; it's assumed that it's an
  # old copy of the header, or attempted spoofing, if it crops up halfway
  # through the headers.

  my $new_hdrs_pre = '';
  if (@pristine_headers && $pristine_headers[0] =~ /^Return-Path:/i) {
    $new_hdrs_pre .= shift(@pristine_headers);
    while (@pristine_headers && $pristine_headers[0] =~ /^[ \t]/) {
      $new_hdrs_pre .= shift(@pristine_headers);
    }
  }
  $new_hdrs_pre .= $self->_get_added_headers($addition);

  # fix up line endings appropriately
  my $newmsg = $new_hdrs_pre . join('',@pristine_headers) . $separator;
  $self->_fixup_report_line_endings(\$newmsg);

  return $newmsg.$self->{msg}->get_pristine_body();
}

sub qp_encode_header {
  my ($self, $text) = @_;

  # do nothing unless there's an 8-bit char
  return $text unless ($text =~ /[\x80-\xff]/);

  my $cs = 'ISO-8859-1';
  if ($self->{report_charset}) {
    $cs = $self->{report_charset};
  }

  my @hexchars = split('', '0123456789abcdef');
  my $ord;
  local $1;
  $text =~ s{([\x80-\xff])}{
		$ord = ord $1;
		'='.$hexchars[($ord & 0xf0) >> 4].$hexchars[$ord & 0x0f]
	}ges;

  $text = '=?'.$cs.'?Q?'.$text.'?=';

  dbg("markup: encoding header in $cs: $text");
  return $text;
}

sub _process_header {
  my ($self, $hdr_name, $hdr_data) = @_;

  $hdr_data = $self->_replace_tags($hdr_data);
  $hdr_data =~ s/(?:\r?\n)+$//; # make sure there are no trailing newlines ...

  if ($self->{conf}->{fold_headers}) {
    if ($hdr_data =~ /\n/) {
      $hdr_data =~ s/\s*\n\s*/\n\t/g;
      return $hdr_data;
    }
    else {
      # use '!!' instead of ': ' so it doesn't wrap on the space
      my $hdr = "X-Spam-$hdr_name!!$hdr_data";
      $hdr = Mail::SpamAssassin::Util::wrap($hdr, "\t", "", 79, 0, '(?<=[\s,])');
      $hdr =~ s/^\t\n//gm;
      return (split (/!!/, $hdr, 2))[1]; # just return the data part
    }
  }
  else {
    $hdr_data =~ s/\n/ /g; # Can't have newlines in headers, unless folded
    return $hdr_data;
  }
}

sub _replace_tags {
  my $self = shift;
  my $text = shift;

  # default to leaving the original string in place, if we cannot find
  # a tag for it (bug 4793)
  local($1,$2,$3);
  $text =~ s{(_(\w+?)(?:\((.*?)\))?_)}{
        my $full = $1;
        my $tag = $2;
        my $result;
        if ($tag =~ /^ADDEDHEADER(?:HAM|SPAM|)\z/) {
          # Bug 6278: break infinite recursion through _get_added_headers and
          # _get_tag on an attempt to use such tag in add_header template
        } else {
          $result = $self->get_tag_raw($tag,$3);
          $result = join(' ',@$result)  if ref $result eq 'ARRAY';
        }
        defined $result ? $result : $full;
      }ge;

  return $text;
}

###########################################################################

# public API for plugins

=item $status->action_depends_on_tags($tags, $code, @args)

Enqueue the supplied subroutine reference C<$code>, to become runnable when
all the specified tags become available. The C<$tags> may be a simple
scalar - a tag name, or a listref of tag names. The subroutine C<&$code>
when called will be passed a C<permessagestatus> object as its first argument,
followed by the supplied (optional) list C<@args> .

=cut

sub action_depends_on_tags {
  my($self, $tags, $code, @args) = @_;

  ref $code eq 'CODE'
    or die "action_depends_on_tags: argument must be a subroutine ref";

  # tag names on which the given action depends
  my @dep_tags = !ref $tags ? uc $tags : map(uc($_),@$tags);

  # @{$self->{tagrun_subs}}            list of all submitted subroutines
  # @{$self->{tagrun_actions}{$tag}}   bitmask of action indices blocked by tag
  # $self->{tagrun_tagscnt}[$action_ind]  count of tags still pending

  # store action details, obtain its index
  push(@{$self->{tagrun_subs}}, [$code,@args]);
  my $action_ind = $#{$self->{tagrun_subs}};

  # list dependency tag names which are not already satistied
  my @blocking_tags =
    grep(!defined $self->{tag_data}{$_} || $self->{tag_data}{$_} eq '',
         @dep_tags);

  $self->{tagrun_tagscnt}[$action_ind] = scalar @blocking_tags;
  $self->{tagrun_actions}{$_}[$action_ind] = 1  for @blocking_tags;

  if (@blocking_tags) {
    dbg("check: tagrun - action %s blocking on tags %s",
        $action_ind, join(', ',@blocking_tags));
  } else {
    dbg("check: tagrun - tag %s was ready, action %s runnable immediately: %s",
        join(', ',@dep_tags), $action_ind, join(', ',$code,@args));
    &$code($self, @args);
  }
}

# tag_is_ready() will be called by set_tag(), indicating that a given
# tag just received its value, possibly unblocking an action routine
# as declared by action_depends_on_tags().
#
# Well-behaving plugins should call set_tag() once when a tag is fully
# assembled and ready. Multiple calls to set the same tag value are handled
# gracefully, but may result in premature activation of a pending action.
# Setting tag values by plugins should not be done directly but only through
# the public API set_tag(), otherwise a pending action release may be missed.
#
sub tag_is_ready {
  my($self, $tag) = @_;
  $tag = uc $tag;

  if (would_log('dbg', 'check')) {
    my $tag_val = $self->{tag_data}{$tag};
    dbg("check: tagrun - tag %s is now ready, value: %s",
         $tag, !defined $tag_val ? '<UNDEF>'
               : ref $tag_val ne 'ARRAY' ? $tag_val
               : 'ARY:[' . join(',',@$tag_val) . ']' );
  }
  if (ref $self->{tagrun_actions}{$tag}) {  # any action blocking on this tag?
    my $action_ind = 0;
    foreach my $action_pending (@{$self->{tagrun_actions}{$tag}}) {
      if ($action_pending) {
        $self->{tagrun_actions}{$tag}[$action_ind] = 0;
        if ($self->{tagrun_tagscnt}[$action_ind] <= 0) {
          # should not happen, warn and ignore
          warn "tagrun error: count for $action_ind is ".
                $self->{tagrun_tagscnt}[$action_ind]."\n";
        } elsif (! --($self->{tagrun_tagscnt}[$action_ind])) {
          my($code,@args) = @{$self->{tagrun_subs}[$action_ind]};
          dbg("check: tagrun - tag %s unblocking the action %s: %s",
              $tag, $action_ind, join(', ',$code,@args));
          &$code($self, @args);
        }
      }
      $action_ind++;
    }
  }
}

# debugging aid: show actions that are still pending, waiting for their
# tags to receive a value
#
sub report_unsatisfied_actions {
  my($self) = @_;
  my @tags;
  @tags = keys %{$self->{tagrun_actions}}  if ref $self->{tagrun_actions};
  for my $tag (@tags) {
    my @pending_actions = grep($self->{tagrun_actions}{$tag}[$_],
                               (0 .. $#{$self->{tagrun_actions}{$tag}}));
    dbg("check: tagrun - tag %s is still blocking action %s",
        $tag, join(', ', @pending_actions))  if @pending_actions;
  }
}

=item $status->set_tag($tagname, $value)

Set a template tag, as used in C<add_header>, report templates, etc.
This API is intended for use by plugins.  Tag names will be converted
to an all-uppercase representation internally.

C<$value> can be a simple scalar (string or number), or a reference to an
array, in which case the public method get_tag will join array elements
using a space as a separator, returning a single string for backward
compatibility.

C<$value> can also be a subroutine reference, which will be evaluated
each time the template is expanded. The first argument passed by get_tag
to a called subroutine will be a PerMsgStatus object (this module's object),
followed by optional arguments provided a caller to get_tag.

Note that perl supports closures, which means that variables set in the
caller's scope can be accessed inside this C<sub>. For example:

    my $text = "hello world!";
    $status->set_tag("FOO", sub {
              my $pms = shift;
              return $text;
            });

See C<Mail::SpamAssassin::Conf>'s C<TEMPLATE TAGS> section for more details
on how template tags are used.

C<undef> will be returned if a tag by that name has not been defined.

=cut

sub set_tag {
  my($self,$tag,$val) = @_;
  $self->{tag_data}->{uc $tag} = $val;
  $self->tag_is_ready($tag);
}

# public API for plugins

=item $string = $status->get_tag($tagname)

Get the current value of a template tag, as used in C<add_header>, report
templates, etc. This API is intended for use by plugins.  Tag names will be
converted to an all-uppercase representation internally.  See
C<Mail::SpamAssassin::Conf>'s C<TEMPLATE TAGS> section for more details on
tags.

C<undef> will be returned if a tag by that name has not been defined.

=cut

sub get_tag {
  my($self, $tag, @args) = @_;

  return if !defined $tag;
  $tag = uc $tag;
  my $data;
  if (exists $common_tags{$tag}) {
    # tag data from traditional pre-defined tag subroutines
    $data = $common_tags{$tag};
    $data = $data->($self,@args)  if ref $data eq 'CODE';
    $data = join(' ',@$data)  if ref $data eq 'ARRAY';
    $data = ""  if !defined $data;
  } elsif (exists $self->{tag_data}->{$tag}) {
    # tag data comes from $self->{tag_data}->{TAG}, typically from plugins
    $data = $self->{tag_data}->{$tag};
    $data = $data->($self,@args)  if ref $data eq 'CODE';
    $data = join(' ',@$data)  if ref $data eq 'ARRAY';
    $data = ""  if !defined $data;
  }
  return $data;
}

=item $string = $status->get_tag_raw($tagname, @args)

Similar to C<get_tag>, but keeps a tag name unchanged (does not uppercase it),
and does not convert arrayref tag values into a single string.

=cut

sub get_tag_raw {
  my($self, $tag, @args) = @_;

  return if !defined $tag;
  my $data;
  if (exists $common_tags{$tag}) {
    # tag data from traditional pre-defined tag subroutines
    $data = $common_tags{$tag};
    $data = $data->($self,@args)  if ref $data eq 'CODE';
    $data = ""  if !defined $data;
  } elsif (exists $self->{tag_data}->{$tag}) {
    # tag data comes from $self->{tag_data}->{TAG}, typically from plugins
    $data = $self->{tag_data}->{$tag};
    $data = $data->($self,@args)  if ref $data eq 'CODE';
    $data = ""  if !defined $data;
  }
  return $data;
}

###########################################################################

# public API for plugins

=item $status->set_spamd_result_item($subref)

Set an entry for the spamd result log line.  C<$subref> should be a code
reference for a subroutine which will return a string in C<'name=VALUE'>
format, similar to the other entries in the spamd result line:

  Jul 17 14:10:47 radish spamd[16670]: spamd: result: Y 22 - ALL_NATURAL,
  DATE_IN_FUTURE_03_06,DIET_1,DRUGS_ERECTILE,DRUGS_PAIN,
  TEST_FORGED_YAHOO_RCVD,TEST_INVALID_DATE,TEST_NOREALNAME,
  TEST_NORMAL_HTTP_TO_IP,UNDISC_RECIPS scantime=0.4,size=3138,user=jm,
  uid=1000,required_score=5.0,rhost=localhost,raddr=127.0.0.1,
  rport=33153,mid=<9PS291LhupY>,autolearn=spam

C<name> and C<VALUE> must not contain C<=> or C<,> characters, as it
is important that these log lines are easy to parse.

The code reference will be called by spamd after the message has been scanned,
and the C<PerMsgStatus::check()> method has returned.

=cut

sub set_spamd_result_item {
  my ($self, $ref) = @_;
  push @{$self->{spamd_result_log_items}}, $ref;
}

# called by spamd
sub get_spamd_result_log_items {
  my ($self) = @_;
  my @ret;
  foreach my $ref (@{$self->{spamd_result_log_items}}) {
    push @ret, &$ref;
  }
  return @ret;
}

###########################################################################

sub _get_tag_value_for_yesno {
  my($self, $arg) = @_;
  my($arg_spam, $arg_ham);
  ($arg_spam, $arg_ham) = split(/,/, $arg, 2)  if defined $arg;
  return $self->{is_spam} ? (defined $arg_spam ? $arg_spam : 'Yes')
                          : (defined $arg_ham  ? $arg_ham  : 'No');
}

sub _get_tag_value_for_score {
  my ($self, $pad) = @_;

  my $score  = sprintf("%2.1f", $self->{score});
  my $rscore = $self->_get_tag_value_for_required_score();

  #Change due to bug 6419 to use Util function for consistency with spamd
  #and PerMessageStatus
  $score = Mail::SpamAssassin::Util::get_tag_value_for_score($score, $rscore, $self->{is_spam});

  #$pad IS PROVIDED BY THE _SCORE(PAD)_ tag
  if (defined $pad && $pad =~ /^(0+| +)$/) {
    my $count = length($1) + 3 - length($score);
    $score = (substr($pad, 0, $count) . $score) if $count > 0;
  }
  return $score;

}

sub _get_tag_value_for_required_score {
  my $self = shift;
  return sprintf("%2.1f", $self->{conf}->{required_score});
}


###########################################################################

=item $status->finish ()

Indicate that this C<$status> object is finished with, and can be destroyed.

If you are using SpamAssassin in a persistent environment, or checking many
mail messages from one C<Mail::SpamAssassin> factory, this method should be
called to ensure Perl's garbage collection will clean up old status objects.

=cut

sub finish {
  my ($self) = @_;

  $self->{main}->call_plugins ("per_msg_finish", {
	  permsgstatus => $self
	});

  $self->report_unsatisfied_actions;

  # Delete out all of the members of $self.  This will remove any direct
  # circular references and let the memory get reclaimed while also being more
  # efficient than a foreach() loop over the keys.
  %{$self} = ();
}

sub finish_tests {
  my ($conf) = @_;
  foreach my $method (@TEMPORARY_METHODS) {
    if (defined &{$method}) {
      undef &{$method};
    }
  }
  @TEMPORARY_METHODS = ();      # clear for next time
  %TEMPORARY_EVAL_GLUE_METHODS = ();
}


=item $name = $status->get_current_eval_rule_name()

Return the name of the currently-running eval rule.  C<undef> is
returned if no eval rule is currently being run.  Useful for plugins
to determine the current rule name while inside an eval test function
call.

=cut

sub get_current_eval_rule_name {
  my ($self) = @_;
  return $self->{current_rule_name};
}

###########################################################################

sub extract_message_metadata {
  my ($self) = @_;
  
  my $timer = $self->{main}->time_method("extract_message_metadata");
  $self->{msg}->extract_message_metadata($self);

  foreach my $item (qw(
	relays_trusted relays_trusted_str num_relays_trusted
	relays_untrusted relays_untrusted_str num_relays_untrusted
	relays_internal relays_internal_str num_relays_internal
	relays_external relays_external_str num_relays_external
	num_relays_unparseable last_trusted_relay_index
	last_internal_relay_index
	))
  {
    $self->{$item} = $self->{msg}->{metadata}->{$item};
  }

  $self->set_tag('RELAYSTRUSTED',   $self->{relays_trusted_str});
  $self->set_tag('RELAYSUNTRUSTED', $self->{relays_untrusted_str});
  $self->set_tag('RELAYSINTERNAL',  $self->{relays_internal_str});
  $self->set_tag('RELAYSEXTERNAL',  $self->{relays_external_str});
  $self->set_tag('LANGUAGES', $self->{msg}->get_metadata("X-Languages"));

  # This should happen before we get called, but just in case.
  if (!defined $self->{msg}->{metadata}->{html}) {
    $self->get_decoded_stripped_body_text_array();
  }
  $self->{html} = $self->{msg}->{metadata}->{html};

  # allow plugins to add more metadata, read the stuff that's there, etc.
  $self->{main}->call_plugins ("parsed_metadata", { permsgstatus => $self });
}

###########################################################################

=item $status->get_decoded_body_text_array ()

Returns the message body, with B<base64> or B<quoted-printable> encodings
decoded, and non-text parts or non-inline attachments stripped.

It is returned as an array of strings, with each string representing
one newline-separated line of the body.

=cut

sub get_decoded_body_text_array {
  return $_[0]->{msg}->get_decoded_body_text_array();
}

=item $status->get_decoded_stripped_body_text_array ()

Returns the message body, decoded (as described in
get_decoded_body_text_array()), with HTML rendered, and with whitespace
normalized.

It will always render text/html, and will use a heuristic to determine if other
text/* parts should be considered text/html.

It is returned as an array of strings, with each string representing one
'paragraph'.  Paragraphs, in plain-text mails, are double-newline-separated
blocks of multi-line text.

=cut

sub get_decoded_stripped_body_text_array {
  return $_[0]->{msg}->get_rendered_body_text_array();
}

###########################################################################

=item $status->get (header_name [, default_value])

Returns a message header, pseudo-header, real name or address.
C<header_name> is the name of a mail header, such as 'Subject', 'To',
etc.  If C<default_value> is given, it will be used if the requested
C<header_name> does not exist.

Appending C<:raw> to the header name will inhibit decoding of quoted-printable
or base-64 encoded strings.

Appending a modifier C<:addr> to a header field name will cause everything
except the first email address to be removed from the header field.  It is
mainly applicable to header fields 'From', 'Sender', 'To', 'Cc' along with
their 'Resent-*' counterparts, and the 'Return-Path'. For example, all of
the following will result in "example@foo":

=over 4

=item example@foo

=item example@foo (Foo Blah)

=item example@foo, example@bar

=item display: example@foo (Foo Blah), example@bar ;

=item Foo Blah <example@foo>

=item "Foo Blah" <example@foo>

=item "'Foo Blah'" <example@foo>

=back

Appending a modifier C<:name> to a header field name will cause everything
except the first display name to be removed from the header field. It is
mainly applicable to header fields containing a single mail address: 'From',
'Sender', along with their 'Resent-From' and 'Resent-Sender' counterparts.
For example, all of the following will result in "Foo Blah". One level of
single quotes is stripped too, as it is often seen.

=over 4

=item example@foo (Foo Blah)

=item example@foo (Foo Blah), example@bar

=item display: example@foo (Foo Blah), example@bar ;

=item Foo Blah <example@foo>

=item "Foo Blah" <example@foo>

=item "'Foo Blah'" <example@foo>

=back

There are several special pseudo-headers that can be specified:

=over 4

=item C<ALL> can be used to mean the text of all the message's headers.

=item C<ALL-TRUSTED> can be used to mean the text of all the message's headers
that could only have been added by trusted relays.

=item C<ALL-INTERNAL> can be used to mean the text of all the message's headers
that could only have been added by internal relays.

=item C<ALL-UNTRUSTED> can be used to mean the text of all the message's
headers that may have been added by untrusted relays.  To make this
pseudo-header more useful for header rules the 'Received' header that was added
by the last trusted relay is included, even though it can be trusted.

=item C<ALL-EXTERNAL> can be used to mean the text of all the message's headers
that may have been added by external relays.  Like C<ALL-UNTRUSTED> the
'Received' header added by the last internal relay is included.

=item C<ToCc> can be used to mean the contents of both the 'To' and 'Cc'
headers.

=item C<EnvelopeFrom> is the address used in the 'MAIL FROM:' phase of the SMTP
transaction that delivered this message, if this data has been made available
by the SMTP server.

=item C<MESSAGEID> is a symbol meaning all Message-Id's found in the message;
some mailing list software moves the real 'Message-Id' to 'Resent-Message-Id'
or 'X-Message-Id', then uses its own one in the 'Message-Id' header.  The value
returned for this symbol is the text from all 3 headers, separated by newlines.

=item C<X-Spam-Relays-Untrusted> is the generated metadata of untrusted relays
the message has passed through

=item C<X-Spam-Relays-Trusted> is the generated metadata of trusted relays
the message has passed through

=back

=cut

# only uses two arguments, ignores $defval
sub _get {
  my ($self, $request) = @_;

  my $result;
  my $getaddr = 0;
  my $getname = 0;
  my $getraw = 0;

  # special queries - process and strip modifiers
  if (index($request,':') >= 0) {  # triage
    local $1;
    while ($request =~ s/:([^:]*)//) {
      if    ($1 eq 'raw')  { $getraw  = 1 }
      elsif ($1 eq 'addr') { $getaddr = $getraw = 1 }
      elsif ($1 eq 'name') { $getname = 1 }
    }
  }
  my $request_lc = lc $request;

  # ALL: entire pristine or semi-raw headers
  if ($request eq 'ALL') {
    $result = $getraw ? $self->{msg}->get_pristine_header()
                      : $self->{msg}->get_all_headers(1);
  }
  # ALL-TRUSTED: entire trusted raw headers
  elsif ($request eq 'ALL-TRUSTED') {
    # '+1' since we added the received header even though it's not considered
    # trusted, so we know that those headers can be trusted too
    return $self->get_all_hdrs_in_rcvd_index_range(
			undef, $self->{last_trusted_relay_index}+1);
  }
  # ALL-INTERNAL: entire internal raw headers
  elsif ($request eq 'ALL-INTERNAL') {
    # '+1' for the same reason as in ALL-TRUSTED above
    return $self->get_all_hdrs_in_rcvd_index_range(
			undef,	$self->{last_internal_relay_index}+1);
  }
  # ALL-UNTRUSTED: entire untrusted raw headers
  elsif ($request eq 'ALL-UNTRUSTED') {
    # '+1' for the same reason as in ALL-TRUSTED above
    return $self->get_all_hdrs_in_rcvd_index_range(
			$self->{last_trusted_relay_index}+1, undef);
  }
  # ALL-EXTERNAL: entire external raw headers
  elsif ($request eq 'ALL-EXTERNAL') {
    # '+1' for the same reason as in ALL-TRUSTED above
    return $self->get_all_hdrs_in_rcvd_index_range(
			$self->{last_internal_relay_index}+1, undef);
  }
  # EnvelopeFrom: the SMTP MAIL FROM: address
  elsif ($request_lc eq "\LEnvelopeFrom") {
    $result = $self->get_envelope_from();
  }
  # untrusted relays list, as string
  elsif ($request_lc eq "\LX-Spam-Relays-Untrusted") {
    $result = $self->{relays_untrusted_str};
  }
  # trusted relays list, as string
  elsif ($request_lc eq "\LX-Spam-Relays-Trusted") {
    $result = $self->{relays_trusted_str};
  }
  # external relays list, as string
  elsif ($request_lc eq "\LX-Spam-Relays-External") {
    $result = $self->{relays_external_str};
  }
  # internal relays list, as string
  elsif ($request_lc eq "\LX-Spam-Relays-Internal") {
    $result = $self->{relays_internal_str};
  }
  # ToCc: the combined recipients list
  elsif ($request_lc eq "\LToCc") {
    $result = join("\n", $self->{msg}->get_header('To', $getraw));
    if ($result ne '') {
      chomp $result;
      $result .= ", " if $result =~ /\S/;
    }
    $result .= join("\n", $self->{msg}->get_header('Cc', $getraw));
    $result = undef if $result eq '';
  }
  # MESSAGEID: handle lists which move the real message-id to another
  # header for resending.
  elsif ($request eq 'MESSAGEID') {
    $result = join("\n", grep { defined($_) && $_ ne '' }
		   $self->{msg}->get_header('X-Message-Id', $getraw),
		   $self->{msg}->get_header('Resent-Message-Id', $getraw),
		   $self->{msg}->get_header('X-Original-Message-ID', $getraw),
		   $self->{msg}->get_header('Message-Id', $getraw));
  }
  # a conventional header
  else {
    my @results = $getraw ? $self->{msg}->raw_header($request)
                          : $self->{msg}->get_header($request);
  # dbg("message: get(%s) = %s", $request, join(", ",@results));
    if (@results) {
      $result = join('', @results);
    } else {  # metadata
      $result = $self->{msg}->get_metadata($request);
    }
  }
      
  # special queries
  if (defined $result && ($getaddr || $getname)) {
    local $1;
    $result =~ s/^[^:]+:(.*);\s*$/$1/gs;	# 'undisclosed-recipients: ;'
    $result =~ s/\s+/ /g;			# reduce whitespace
    $result =~ s/^\s+//;			# leading whitespace
    $result =~ s/\s+$//;			# trailing whitespace

    if ($getaddr) {
      # Get the email address out of the header
      # All of these should result in "jm@foo":
      # jm@foo
      # jm@foo (Foo Blah)
      # jm@foo, jm@bar
      # display: jm@foo (Foo Blah), jm@bar ;
      # Foo Blah <jm@foo>
      # "Foo Blah" <jm@foo>
      # "'Foo Blah'" <jm@foo>
      #
      # strip out the (comments)
      $result =~ s/\s*\(.*?\)//g;
      # strip out the "quoted text", unless it's the only thing in the string
      if ($result !~ /^".*"$/) {
        $result =~ s/(?<!<)"[^"]*"(?!@)//g;   #" emacs
      }
      # Foo Blah <jm@xxx> or <jm@xxx>
      local $1;
      $result =~ s/^[^"<]*?<(.*?)>.*$/$1/;
      # multiple addresses on one line? remove all but first
      $result =~ s/,.*$//;
    }
    elsif ($getname) {
      # Get the display name out of the header
      # All of these should result in "Foo Blah":
      #
      # jm@foo (Foo Blah)
      # (Foo Blah) jm@foo
      # jm@foo (Foo Blah), jm@bar
      # display: jm@foo (Foo Blah), jm@bar ;
      # Foo Blah <jm@foo>
      # "Foo Blah" <jm@foo>
      # "'Foo Blah'" <jm@foo>
      #
      local $1;
      # does not handle mailbox-list or address-list well, to be improved
      if ($result =~ /^ \s* (.*?) \s* < [^<>]* >/sx) {
        $result = $1;  # display-name, RFC 5322
        # name-addr    = [display-name] angle-addr
        # display-name = phrase
        # phrase       = 1*word / obs-phrase
        # word         = atom / quoted-string
        # obs-phrase   = word *(word / "." / CFWS)
        $result =~ s{ " ( (?: [^"\\] | \\. )* ) " }
                { my $s=$1; $s=~s{\\(.)}{$1}gs; $s }gsxe;
      } elsif ($result =~ /^ [^(,]*? \( (.*?) \) /sx) {  # legacy form
        # nested comments are not handled, to be improved
        $result = $1;
      } else {  # no display name
        $result = '';
      }
      $result =~ s/^ \s* ' \s* (.*?) \s* ' \s* \z/$1/sx;
    }
  }
  return $result;
}

# optimized for speed
# $_[0] is self
# $_[1] is request
# $_[2] is defval
sub get {
  my $cache = $_[0]->{c};
  my $found;
  if (exists $cache->{$_[1]}) {
    # return cache entry if it is known
    # (measured hit/attempts rate on a production mailer is about 47%)
    $found = $cache->{$_[1]};
  } else {
    # fill in a cache entry
    $found = _get(@_);
    $cache->{$_[1]} = $found;
  }
  # if the requested header wasn't found, we should return a default value
  # as specified by the caller: if defval argument is present it represents
  # a default value even if undef; if defval argument is absent a default
  # value is an empty string for upwards compatibility
  return (defined $found ? $found : @_ > 2 ? $_[2] : '');
}

###########################################################################

# uri parsing from plain text:
# The goals are to find URIs in plain text spam that are intended to be clicked on or copy/pasted, but
# ignore random strings that might look like URIs, for example in uuencoded files, and to ignore
# URIs that spammers might seed in spam in ways not visible or clickable to add work to spam filters.
# When we extract a domain and look it up in an RBL, an FP on deciding that the text is a URI is not much
# of a problem, as the only cost is an extra RBL lookup. The same FP is worse if the URI is used in matching rule
# because it could lead to a rule FP, as in bug 5780 with WIERD_PORT matching random uuencoded strings.
# The principles of the following code are 1) if ThunderBird or Outlook Express would linkify a string,
# then we should attempt to parse it as a URI; 2) Where TBird and OE parse differently, choose to do what is most
# likely to find a domain for the RBL tests; 3) If it begins with a scheme or www\d*\. or ftp\. assume that
# it is a URI; 4) If it does not then require that the start of the string looks like a FQDN with a valid TLD;
# 5) Reject strings that after parsing, URLDecoding, and redirection processing don't have a valid TLD
#
# We get the entire URI that would be linkified before dealing with it, in order to do the right thing
# with URI-encodings and redirecting URIs.
#
# The delimiters for start of a URI in TBird are @(`{|[\"'<>,\s   in OE they are ("<\s
#
# Tbird allows .,?';-! in a URI but ignores [.,?';-!]* at the end.
# TBird's end delimiters are )`{}|[]"<>\s but ) is only an end delmiter if there is no ( in the URI
# OE only uses space as a delimiter, but ignores [~!@#^&*()_+`-={}|[]:";'<>?,.]* at the end.
#
# Both TBird and OE decide that a URI is an email address when there is '@' character embedded in it.
# TBird has some additional restrictions on email URIs: They cannot contain non-ASCII characters and their end
# delimiters include ( and '
#
# bug 4522: ISO2022 format mail, most commonly Japanese SHIFT-JIS, inserts a three character escape sequence  ESC ( .

# a hybrid of tbird and oe's  version of uri parsing
my $tbirdstartdelim = '><"\'`,{[(|\s'  . "\x1b";  # The \x1b as per bug 4522
my $iso2022shift = "\x1b" . '\(.';  # bug 4522
my $tbirdenddelim = '><"`}\]{[|\s' . "\x1b";  # The \x1b as per bug 4522
my $oeignoreatend = '-~!@#^&*()_+=:;\'?,.';
my $nonASCII    = '\x80-\xff';
my $tbirdenddelimemail = $tbirdenddelim . '(\'' . $nonASCII;  # tbird ignores non-ASCII mail addresses for now, until RFC changes
my $tbirdenddelimplusat = $tbirdenddelimemail . '@';

# valid TLDs
my $tldsRE = $Mail::SpamAssassin::Util::RegistrarBoundaries::VALID_TLDS_RE;

# knownscheme regexp looks for either a https?: or ftp: scheme, or www\d*\. or ftp\. prefix, i.e., likely to start a URL
# schemeless regexp looks for a valid TLD at the end of what may be a FQDN, followed by optional ., optional :portnum, optional /rest_of_uri
my $urischemeless = qr/[a-z\d][a-z\d._-]{0,251}\.${tldsRE}\.?(?::\d{1,5})?(?:\/[^$tbirdenddelim]{1,251})?/io;
my $uriknownscheme = qr/(?:(?:(?:(?:https?)|(?:ftp)):(?:\/\/)?)|(?:(?:www\d{0,2}|ftp)\.))[^$tbirdenddelim]{1,251}/io;
my $urimailscheme = qr/(?:mailto:)?[^$tbirdenddelimplusat]{1,251}@[^$tbirdenddelimemail]{1,251}/io;
my $tbirdurire = qr/(?:\b|(?<=$iso2022shift)|(?<=[$tbirdstartdelim]))
                    (?:(?:($uriknownscheme)(?=(?:[$tbirdenddelim]|\z))) |
                       (?:($urimailscheme)(?=(?:[$tbirdenddelimemail]|\z))) |
                       (?:\b($urischemeless)(?=(?:[$tbirdenddelim]|\z))))/xo;

=item $status->get_uri_list ()

Returns an array of all unique URIs found in the message.  It takes
a combination of the URIs found in the rendered (decoded and HTML
stripped) body and the URIs found when parsing the HTML in the message.
Will also set $status->{uri_list} (the array as returned by this function).

The returned array will include the "raw" URI as well as
"slightly cooked" versions.  For example, the single URI
'http://%77&#00119;%77.example.com/' will get turned into:
( 'http://%77&#00119;%77.example.com/', 'http://www.example.com/' )

=cut

sub get_uri_list {
  my ($self) = @_;

  # use cached answer if available
  if (defined $self->{uri_list}) {
    return @{$self->{uri_list}};
  }

  my @uris;
  # $self->{redirect_num} = 0;

  # get URIs from HTML parsing
  while(my($uri, $info) = each %{ $self->get_uri_detail_list() }) {
    if ($info->{cleaned}) {
      foreach (@{$info->{cleaned}}) {
        push(@uris, $_);

        # count redirection attempts and log it
        # if (my @http = m{\b(https?:/{0,2})}gi) {
        # $self->{redirect_num} = $#http if ($#http > $self->{redirect_num});
        # }
      }
    }
  }

  $self->{uri_list} = \@uris;
# $self->set_tag('URILIST', @uris == 1 ? $uris[0] : \@uris)  if @uris;

  return @uris;
}

=item $status->get_uri_detail_list ()

Returns a hash reference of all unique URIs found in the message and
various data about where the URIs were found in the message.  It takes a
combination of the URIs found in the rendered (decoded and HTML stripped)
body and the URIs found when parsing the HTML in the message.  Will also
set $status->{uri_detail_list} (the hash reference as returned by this
function).  This function will also set $status->{uri_domain_count} (count of
unique domains).

The hash format looks something like this:

  raw_uri => {
    types => { a => 1, img => 1, parsed => 1 },
    cleaned => [ canonified_uri ],
    anchor_text => [ "click here", "no click here" ],
    domains => { domain1 => 1, domain2 => 1 },
  }

C<raw_uri> is whatever the URI was in the message itself
(http://spamassassin.apache%2Eorg/).

C<types> is a hash of the HTML tags (lowercase) which referenced
the raw_uri.  I<parsed> is a faked type which specifies that the
raw_uri was seen in the rendered text.

C<cleaned> is an array of the raw and canonified version of the raw_uri
(http://spamassassin.apache%2Eorg/, http://spamassassin.apache.org/).

C<anchor_text> is an array of the anchor text (text between <a> and
</a>), if any, which linked to the URI.

C<domains> is a hash of the domains found in the canonified URIs.

C<hosts> is a hash of unstripped hostnames found in the canonified URIs
as hash keys, with their domain part stored as a value of each hash entry.

=cut

sub get_uri_detail_list {
  my ($self) = @_;

  # use cached answer if available
  if (defined $self->{uri_detail_list}) {
    return $self->{uri_detail_list};
  }

  my $timer = $self->{main}->time_method("get_uri_detail_list");

  $self->{uri_domain_count} = 0;

  # do this so we're sure metadata->html is setup
  my %parsed = map { $_ => 'parsed' } $self->_get_parsed_uri_list();


  # This parses of DKIM for URIs disagrees with documentation and bug 6700 votes to disable
  # this functionality
  # 2013-01-07

  # Look for the domain in DK/DKIM headers
  #my $dk = join(" ", grep {defined} ( $self->get('DomainKey-Signature',undef),
  #                                    $self->get('DKIM-Signature',undef) ));
  #while ($dk =~ /\bd\s*=\s*([^;]+)/g) {
  #  my $dom = $1;
  #  $dom =~ s/\s+//g;
  #  $parsed{$dom} = 'domainkeys';
  #}

  # get URIs from HTML parsing
  # use the metadata version since $self->{html} may not be setup
  my $detail = $self->{msg}->{metadata}->{html}->{uri_detail} || { };
  $self->{'uri_truncated'} = 1 if $self->{msg}->{metadata}->{html}->{uri_truncated};

  # don't keep dereferencing ...
  my $redirector_patterns = $self->{conf}->{redirector_patterns};

  # canonify the HTML parsed URIs
  while(my($uri, $info) = each %{ $detail }) {
    my @tmp = Mail::SpamAssassin::Util::uri_list_canonify($redirector_patterns, $uri);
    $info->{cleaned} = \@tmp;

    foreach (@tmp) {
      my($domain,$host) = Mail::SpamAssassin::Util::uri_to_domain($_);
      if (defined $host && $host ne '' && !$info->{hosts}->{$host}) {
        # unstripped full host name as a key, and its domain part as a value
        $info->{hosts}->{$host} = $domain;
        if (defined $domain && $domain ne '' && !$info->{domains}->{$domain}) {
          $info->{domains}->{$domain} = 1;  # stripped to domain boundary
          $self->{uri_domain_count}++;
        }
      }
    }

    if (would_log('dbg', 'uri') == 2) {
      dbg("uri: html uri found, $uri");
      foreach my $nuri (@tmp) {
        dbg("uri: cleaned html uri, $nuri");
      }
      if ($info->{hosts} && $info->{domains}) {
        for my $host (keys %{$info->{hosts}}) {
          dbg("uri: html host %s, domain %s", $host, $info->{hosts}->{$host});
        }
      }
    }
  }

  # canonify the text parsed URIs
  while (my($uri, $type) = each %parsed) {
    $detail->{$uri}->{types}->{$type} = 1;
    my $info = $detail->{$uri};

    my @uris;
    
    if (!exists $info->{cleaned}) {
      if ($type eq 'parsed') {
        @uris = Mail::SpamAssassin::Util::uri_list_canonify($redirector_patterns, $uri);
      }
      else {
        @uris = ( $uri );
      }
      $info->{cleaned} = \@uris;

      foreach (@uris) {
        my($domain,$host) = Mail::SpamAssassin::Util::uri_to_domain($_);
        if (defined $host && $host ne '' && !$info->{hosts}->{$host}) {
          # unstripped full host name as a key, and its domain part as a value
          $info->{hosts}->{$host} = $domain;
          if (defined $domain && $domain ne '' && !$info->{domains}->{$domain}){
            $info->{domains}->{$domain} = 1;
            $self->{uri_domain_count}++;
          }
        }
      }
    }

    if (would_log('dbg', 'uri') == 2) {
      dbg("uri: parsed uri found of type $type, $uri");
      foreach my $nuri (@uris) {
        dbg("uri: cleaned parsed uri, $nuri");
      }
      if ($info->{hosts} && $info->{domains}) {
        for my $host (keys %{$info->{hosts}}) {
          dbg("uri: parsed host %s, domain %s", $host, $info->{hosts}->{$host});
        }
      }
    }
  }

  # setup the cache
  $self->{uri_detail_list} = $detail;

  return $detail;
}

sub _get_parsed_uri_list {
  my ($self) = @_;

  # use cached answer if available
  unless (defined $self->{parsed_uri_list}) {
    # TVD: we used to use decoded_body which is fine, except then we'll
    # try parsing URLs out of HTML, which is what the HTML code is going
    # to do (note: we know the HTML parsing occurs, because we call for the
    # rendered text which does HTML parsing...)  trying to get URLs out of
    # HTML w/out parsing causes issues, so let's not do it.
    # also, if we allow $textary to be passed in, we need to invalidate
    # the cache first. fyi.
    my $textary = $self->get_decoded_stripped_body_text_array();
    my $redirector_patterns = $self->{conf}->{redirector_patterns};

    my ($rulename, $pat, @uris);
    my $text;

    for my $entry (@$textary) {

      # a workaround for [perl #69973] bug: 
      # Invalid and tainted utf-8 char crashes perl 5.10.1 in regexp evaluation
      # Bug 6225, regexp and string should both be utf8, or none of them;
      # untainting string also seems to avoid the crash
      #
      # Bug 6225: untaint the string in an attempt to work around a perl crash
      local $_ = untaint_var($entry);

      local($1,$2,$3);
      while (/$tbirdurire/igo) {
        my $rawuri = $1||$2||$3;
        $rawuri =~ s/(^[^(]*)\).*$/$1/;  # as per ThunderBird, ) is an end delimiter if there is no ( preceeding it
        $rawuri =~ s/[$oeignoreatend]*$//; # remove trailing string of punctuations that TBird ignores
        # skip if there is '..' in the hostname portion of the URI, something we can't catch in the general URI regexp
        next if $rawuri =~ /^(?:(?:https?|ftp|mailto):(?:\/\/)?)?[a-z\d.-]*\.\./i;

        # If it's a hostname that was just sitting out in the
        # open, without a protocol, and not inside of an HTML tag,
        # the we should add the proper protocol in front, rather
        # than using the base URI.
        my $uri = $rawuri;
        my $rblonly;
        if ($uri !~ /^(?:https?|ftp|mailto|javascript|file):/i) {
          if ($uri =~ /^ftp\./i) {
            $uri = "ftp://$uri";
          }
          elsif ($uri =~ /^www\d{0,2}\./i) {
            $uri = "http://$uri";
          }
          elsif ($uri =~ /\@/) {
            $uri = "mailto:$uri";
          }
          else {
            # some spammers are using unschemed URIs to escape filters
            $rblonly = 1;    # flag that this is a URI that MUAs don't linkify so only use for RBLs
            $uri = "http://$uri";
          }
        }

        if ($uri =~ /^mailto:/i) {
          # skip a mail link that does not have a valid TLD or other than one @ after decoding any URLEncoded characters
          $uri = Mail::SpamAssassin::Util::url_encode($uri) if ($uri =~ /\%(?:2[1-9a-fA-F]|[3-6][0-9a-fA-f]|7[0-9a-eA-E])/);
          next if ($uri !~ /^[^@]+@[^@]+$/);
          my $domuri = Mail::SpamAssassin::Util::uri_to_domain($uri);
          next unless $domuri;
          push (@uris, $rawuri);
          push (@uris, $uri) unless ($rawuri eq $uri);
        }

        next unless ($uri =~/^(?:https?|ftp):/i);  # at this point only valid if one or the other of these

        my @tmp = Mail::SpamAssassin::Util::uri_list_canonify($redirector_patterns, $uri);
        my $goodurifound = 0;
        foreach my $cleanuri (@tmp) {
          my $domain = Mail::SpamAssassin::Util::uri_to_domain($cleanuri);
          if ($domain) {
            # bug 5780: Stop after domain to avoid FP, but do that after all deobfuscation of urlencoding and redirection
            if ($rblonly) {
              local $1;
              $cleanuri =~ s/^(https?:\/\/[^:\/]+).*$/$1/i;
            }
            push (@uris, $cleanuri);
            $goodurifound = 1;
          }
        }
        next unless $goodurifound;
        push @uris, $rawuri unless $rblonly;
      }
    }

    # Make sure all the URIs are nice and short
    foreach my $uri ( @uris ) {
      if (length $uri > MAX_URI_LENGTH) {
        $self->{'uri_truncated'} = 1;
        $uri = substr $uri, 0, MAX_URI_LENGTH;
      }
    }

    # setup the cache and return
    $self->{parsed_uri_list} = \@uris;
  }

  return @{$self->{parsed_uri_list}};
}

###########################################################################

sub ensure_rules_are_complete {
  my $self = shift;
  my $metarule = shift;
  # @_ is now the list of rules

  foreach my $r (@_) {
    # dbg("rules: meta rule depends on net rule $r");
    next if ($self->is_rule_complete($r));

    dbg("rules: meta rule $metarule depends on pending rule $r, blocking");
    my $timer = $self->{main}->time_method("wait_for_pending_rules");

    my $start = time;
    $self->harvest_until_rule_completes($r);
    my $elapsed = time - $start;

    if (!$self->is_rule_complete($r)) {
      dbg("rules: rule $r is still not complete; exited early?");
    }
    elsif ($elapsed > 0) {
      info("rules: $r took $elapsed seconds to complete, for $metarule");
    }
  }
}

###########################################################################

# use a separate sub here, for brevity
# called out of generated eval
sub handle_eval_rule_errors {
  my ($self, $rulename) = @_;
  warn "rules: failed to run $rulename test, skipping:\n\t($@)\n";
  $self->{rule_errors}++;
}

sub register_plugin_eval_glue {
  my ($self, $function) = @_;

  if (!$function) {
    warn "rules: empty function name";
    return;
  }

  # only need to call this once per fn (globally)
  return if exists $TEMPORARY_EVAL_GLUE_METHODS{$function};
  $TEMPORARY_EVAL_GLUE_METHODS{$function} = undef;

  # return if it's not an eval_plugin function
  return if (!exists $self->{conf}->{eval_plugins}->{$function});

  # return if it's been registered already
  return if ($self->can ($function) &&
        defined &{'Mail::SpamAssassin::PerMsgStatus::'.$function});

  my $evalstr = <<"ENDOFEVAL";
{
    package Mail::SpamAssassin::PerMsgStatus;

	sub $function {
	  my (\$self) = shift;
	  my \$plugin = \$self->{conf}->{eval_plugins}->{$function};
	  return \$plugin->$function (\$self, \@_);
	}

	1;
}
ENDOFEVAL
  eval $evalstr . '; 1'   ## no critic
  or do {
    my $eval_stat = $@ ne '' ? $@ : "errno=$!";  chomp $eval_stat;
    warn "rules: failed to run header tests, skipping some: $eval_stat\n";
    $self->{rule_errors}++;
  };

  # ensure this method is deleted if finish_tests() is called
  push (@TEMPORARY_METHODS, $function);
}

###########################################################################

# note: only eval tests should store state in $self->{test_log_msgs};
# pattern tests do not.
#
# the clearing of the test state is now inlined as:
#
# %{$self->{test_log_msgs}} = ();        # clear test state
#
# except for this public API for plugin use:

=item $status->clear_test_state()

Clear test state, including test log messages from C<$status-E<gt>test_log()>.

=cut

sub clear_test_state {
    my ($self) = @_;
    %{$self->{test_log_msgs}} = ();
}

# internal API, called only by get_hit()
# TODO: refactor and merge this into that function
sub _handle_hit {
    my ($self, $rule, $score, $area, $ruletype, $desc) = @_;

    $self->{main}->call_plugins ("hit_rule", {
        permsgstatus => $self,
        rulename => $rule,
        ruletype => $ruletype,
        score => $score
      });

    # ignore meta-match sub-rules.
    if ($rule =~ /^__/) { push(@{$self->{subtest_names_hit}}, $rule); return; }

    # this should not happen; warn about it
    if (!defined $score) {
      warn "rules: score undef for rule '$rule' in '$area' '$desc'";
      return;
    }

    # this should not happen; warn about NaN (bug 3364)
    if ($score != $score) {
      warn "rules: score '$score' for rule '$rule' in '$area' '$desc'";
      return;
    }

    # Add the rule hit to the score
    $self->{score} += $score;

    push(@{$self->{test_names_hit}}, $rule);
    $area ||= '';

    if ($score >= 10 || $score <= -10) {
      $score = sprintf("%4.0f", $score);
    }
    else {
      $score = sprintf("%4.1f", $score);
    }

    # save both summaries
    # TODO: this is slower than necessary, if we only need one
    $self->{tag_data}->{REPORT} .= sprintf ("* %s %s %s%s\n%s",
              $score, $rule, $area,
              $self->_wrap_desc($desc,
                  4+length($rule)+length($score)+length($area), "*      "),
              ($self->{test_log_msgs}->{TERSE} ?
              "*      " . $self->{test_log_msgs}->{TERSE} : ''));

    $self->{tag_data}->{SUMMARY} .= sprintf ("%s %-22s %s%s\n%s",
              $score, $rule, $area,
              $self->_wrap_desc($desc,
                  3+length($rule)+length($score)+length($area), " " x 28),
              ($self->{test_log_msgs}->{LONG} || ''));
}

sub _wrap_desc {
  my ($self, $desc, $firstlinelength, $prefix) = @_;

  my $firstline = " " x $firstlinelength;
  my $wrapped = Mail::SpamAssassin::Util::wrap($desc, $prefix, $firstline, 75, 0);
  $wrapped =~ s/^\s+//s;
  $wrapped;
}

###########################################################################

=item $status->got_hit ($rulename, $desc_prepend [, name => value, ...])

Register a hit against a rule in the ruleset.

There are two mandatory arguments. These are C<$rulename>, the name of the rule
that fired, and C<$desc_prepend>, which is a short string that will be
prepended to the rules C<describe> string in output reports.

In addition, callers can supplement that with the following optional
data:

=over 4

=item score => $num

Optional: the score to use for the rule hit.  If unspecified,
the value from the C<Mail::SpamAssassin::Conf> object's C<{scores}>
hash will be used (a configured score), and in its absence the
C<defscore> option value.

=item defscore => $num

Optional: the score to use for the rule hit if neither the
option C<score> is provided, nor a configured score value is provided.

=item value => $num

Optional: the value to assign to the rule; the default value is C<1>.
I<tflags multiple> rules use values of greater than 1 to indicate
multiple hits.  This value is accessible to meta rules.

=item ruletype => $type

Optional, but recommended: the rule type string.  This is used in the
C<hit_rule> plugin call, called by this method.  If unset, I<'unknown'> is
used.

=item tflags => $string

Optional: a string, i.e. a space-separated list of additional tflags
to be appended to an existing list of flags in $self->{conf}->{tflags},
such as: "nice noautolearn multiple". No syntax checks are performed.

=item description => $string

Optional: a custom rule description string.  This is used in the
C<hit_rule> plugin call, called by this method. If unset, the static
description is used.

=back

Backward compatibility: the two mandatory arguments have been part of this API
since SpamAssassin 2.x.  The optional I<name=<gt>value> pairs, however, are a
new addition in SpamAssassin 3.2.0.

=cut

sub got_hit {
  my ($self, $rule, $area, %params) = @_;

  my $conf_ref = $self->{conf};

  my $dynamic_score_provided;
  my $score = $params{score};
  if (defined $score) {  # overrides any configured scores
    $dynamic_score_provided = 1;
  } else {
    $score = $conf_ref->{scores}->{$rule};
    $score = $params{defscore}  if !defined $score;
  }

  # adding a hit does nothing if we don't have a score -- we probably
  # shouldn't have run it in the first place
  if (!$score) {
    %{$self->{test_log_msgs}} = ();
    return;
  }

  # ensure that rule values always result in an *increase*
  # of $self->{tests_already_hit}->{$rule}:
  my $value = $params{value};
  if (!$value || $value <= 0) { $value = 1 }

  my $tflags_ref = $conf_ref->{tflags};
  my $tflags_add = $params{tflags};
  if (defined $tflags_add && $tflags_add ne '') {
    $_ = (!defined $_ || $_ eq '') ? $tflags_add : ($_ . ' ' . $tflags_add)
           for $tflags_ref->{$rule};
  };

  my $already_hit = $self->{tests_already_hit}->{$rule} || 0;
  # don't count hits multiple times, unless 'tflags multiple' is on
  if ($already_hit && ($tflags_ref->{$rule}||'') !~ /\bmultiple\b/) {
    %{$self->{test_log_msgs}} = ();
    return;
  }

  $self->{tests_already_hit}->{$rule} = $already_hit + $value;

  # default ruletype, if not specified:
  $params{ruletype} ||= 'unknown';

  if ($dynamic_score_provided) {  # copy it to static for proper reporting
    $conf_ref->{scoreset}->[$_]->{$rule} = $score  for (0..3);
    $conf_ref->{scores}->{$rule} = $score;
  }

  my $rule_descr = $params{description};
  if (defined $rule_descr) {
    $conf_ref->{descriptions}->{$rule} = $rule_descr;  # save dynamic descr.
  } else {
    $rule_descr = $conf_ref->get_description_for_rule($rule);  # static
  }
  # Bug 6880 Set Rule Description to something that says no rule
  #$rule_descr = $rule  if !defined $rule_descr || $rule_descr eq '';
  $rule_descr = "No description available." if !defined $rule_descr || $rule_descr eq '';

  $self->_handle_hit($rule,
            $score,
            $area,
            $params{ruletype},
            $rule_descr);

  # take care of duplicate rules, too (bug 5206)
  my $dups = $conf_ref->{duplicate_rules}->{$rule};
  if ($dups && @{$dups}) {
    foreach my $dup (@{$dups}) {
      $self->got_hit($dup, $area, %params);
    }
  }

  %{$self->{test_log_msgs}} = ();  # clear test logs
  return 1;
}

###########################################################################

# TODO: this needs API doc
sub test_log {
  my ($self, $msg) = @_;
  local $1;
  while ($msg =~ s/^(.{30,48})\s//) {
    $self->_test_log_line ($1);
  }
  $self->_test_log_line ($msg);
}

sub _test_log_line {
  my ($self, $msg) = @_;

  $self->{test_log_msgs}->{TERSE} .= sprintf ("[%s]\n", $msg);
  if (length($msg) > 47) {
    $self->{test_log_msgs}->{LONG} .= sprintf ("%78s\n", "[$msg]");
  } else {
    $self->{test_log_msgs}->{LONG} .= sprintf ("%27s [%s]\n", "", $msg);
  }
}

###########################################################################

# helper for get().  Do not call directly, as get() caches its results
# and this does not!
sub get_envelope_from {
  my ($self) = @_;
  
  # bug 2142:
  # Get the SMTP MAIL FROM:, aka. the "envelope sender", if our
  # calling app has helpfully marked up the source message
  # with it.  Various MTAs and calling apps each have their
  # own idea of what header to use for this!   see

  my $envf;

  # Rely on the 'envelope-sender-header' header if the user has configured one.
  # Assume that because they have configured it, their MTA will always add it.
  # This will prevent us falling through and picking up inappropriate headers.
  if (defined $self->{conf}->{envelope_sender_header}) {
    # make sure we get the most recent copy - there can be only one EnvelopeSender.
    $envf = $self->get($self->{conf}->{envelope_sender_header}.":addr",undef);
    # ok if it contains an "@" sign, or is "" (ie. "<>" without the < and >)
    goto ok if defined $envf && ($envf =~ /\@/ || $envf =~ /^$/);
    # Warn them if it's configured, but not there or not usable.
    if (defined $envf) {
      chomp $envf;
      dbg("message: envelope_sender_header '%s: %s' is not an FQDN, ignoring",
          $self->{conf}->{envelope_sender_header}, $envf);
    } else {
      dbg("message: envelope_sender_header '%s' not found in message",
          $self->{conf}->{envelope_sender_header});
    }
    # Couldn't get envelope-sender using the configured header.
    return;
  }

  # User hasn't given us a header to trust, so try to guess the sender.

  # use the "envelope-sender" string found in the Received headers,
  # if possible... use the last untrusted header, in case there's
  # trusted headers.
  my $lasthop = $self->{relays_untrusted}->[0];
  if (!defined $lasthop) {
    # no untrusted headers?  in that case, the message is ALL_TRUSTED.
    # use the first trusted header (ie. the oldest, originating one).
    $lasthop = $self->{relays_trusted}->[-1];
  }

  if (defined $lasthop) {
    $envf = $lasthop->{envfrom};
    # TODO FIXME: Received.pm puts both null senders and absence-of-sender
    # into the relays array as '', so we can't distinguish them :(
    if ($envf && ($envf =~ /\@/)) {
      goto ok;
    }
  }

  # WARNING: a lot of list software adds an X-Sender for the original env-from
  # (including Yahoo! Groups).  Unfortunately, fetchmail will pick it up and
  # reuse it as the env-from for *its* delivery -- even though the list
  # software had used a different env-from in the intervening delivery.  Hence,
  # if this header is present, and there's a fetchmail sig in the Received
  # lines, we cannot trust any Envelope-From headers, since they're likely to
  # be incorrect fetchmail guesses.

  if ($self->get("X-Sender") =~ /\@/) {
    my $rcvd = join(' ', $self->get("Received"));
    if ($rcvd =~ /\(fetchmail/) {
      dbg("message: X-Sender and fetchmail signatures found, cannot trust envelope-from");
      return;
    }
  }

  # procmailrc notes this (we now recommend adding it to Received instead)
  if ($envf = $self->get("X-Envelope-From")) {
    # heuristic: this could have been relayed via a list which then used
    # a *new* Envelope-from.  check
    if ($self->get("ALL:raw") =~ /^Received:.*^X-Envelope-From:/smi) {
      dbg("message: X-Envelope-From header found after 1 or more Received lines, cannot trust envelope-from");
      return;
    } else {
      goto ok;
    }
  }

  # qmail, new-inject(1)
  if ($envf = $self->get("Envelope-Sender")) {
    # heuristic: this could have been relayed via a list which then used
    # a *new* Envelope-from.  check
    if ($self->get("ALL:raw") =~ /^Received:.*^Envelope-Sender:/smi) {
      dbg("message: Envelope-Sender header found after 1 or more Received lines, cannot trust envelope-from");
    } else {
      goto ok;
    }
  }

  # Postfix, sendmail, amavisd-new, ...
  # RFC 2821 requires it:
  #   When the delivery SMTP server makes the "final delivery" of a
  #   message, it inserts a return-path line at the beginning of the mail
  #   data.  This use of return-path is required; mail systems MUST support
  #   it.  The return-path line preserves the information in the <reverse-
  #   path> from the MAIL command.
  if ($envf = $self->get("Return-Path")) {
    # heuristic: this could have been relayed via a list which then used
    # a *new* Envelope-from.  check
    if ($self->get("ALL:raw") =~ /^Received:.*^Return-Path:/smi) {
      dbg("message: Return-Path header found after 1 or more Received lines, cannot trust envelope-from");
    } else {
      goto ok;
    }
  }

  # give up.
  return;

ok:
  $envf =~ s/^<*//gs;                # remove <
  $envf =~ s/>*\s*$//gs;        # remove >, whitespace, newlines
  return $envf;
}

###########################################################################

# helper for get(ALL-*).  get() caches its results, so don't call this
# directly unless you need a range of headers not covered by the ALL-*
# psuedo-headers!

# Get all the headers found between an index range of received headers, the
# index doesn't care if we could parse the received headers or not.
# Use undef for the $start_rcvd or $end_rcvd numbers to start/end with the
# first/last header in the message, otherwise indicate the index number you
# want to start/end at.  Set $include_start_rcvd or $include_end_rcvd to 0 to
# indicate you don't want to include the received header found at the start or
# end indexes... basically toggles between [s,e], [s,e), (s,e], (s,e).
sub get_all_hdrs_in_rcvd_index_range {
  my ($self, $start_rcvd, $end_rcvd, $include_start_rcvd, $include_end_rcvd) = @_;

  # prevent bad input causing us to return the first header found
  return if (defined $end_rcvd && $end_rcvd < 0);

  $include_start_rcvd = 1 unless defined $include_start_rcvd;
  $include_end_rcvd = 1 unless defined $include_end_rcvd;

  my $cur_rcvd_index = -1;  # none found yet
  my $result = '';

  foreach my $hdr (split(/^/m, $self->{msg}->get_pristine_header())) {
    if ($hdr =~ /^Received:/i) {
      $cur_rcvd_index++;
      next if (defined $start_rcvd && !$include_start_rcvd &&
		$start_rcvd == $cur_rcvd_index);
      last if (defined $end_rcvd && !$include_end_rcvd &&
		$end_rcvd == $cur_rcvd_index);
    }
    if ((!defined $start_rcvd || $start_rcvd <= $cur_rcvd_index) &&
	(!defined $end_rcvd || $cur_rcvd_index < $end_rcvd)) {
      $result .= $hdr."\n";
    }
    elsif (defined $end_rcvd && $cur_rcvd_index == $end_rcvd) {
      $result .= $hdr."\n";
      last;
    }
  }
  return ($result eq '' ? undef : $result);
}

###########################################################################

sub sa_die { Mail::SpamAssassin::sa_die(@_); }

###########################################################################

=item $status->create_fulltext_tmpfile (fulltext_ref)

This function creates a temporary file containing the passed scalar
reference data (typically the full/pristine text of the message).
This is typically used by external programs like pyzor and dccproc, to
avoid hangs due to buffering issues.   Methods that need this, should
call $self->create_fulltext_tmpfile($fulltext) to retrieve the temporary
filename; it will be created if it has not already been.

Note: This can only be called once until $status->delete_fulltext_tmpfile() is
called.

=cut

sub create_fulltext_tmpfile {
  my ($self, $fulltext) = @_;

  if (defined $self->{fulltext_tmpfile}) {
    return $self->{fulltext_tmpfile};
  }

  my ($tmpf, $tmpfh) = Mail::SpamAssassin::Util::secure_tmpfile();
  $tmpfh  or die "failed to create a temporary file";
  print $tmpfh $$fulltext  or die "error writing to $tmpf: $!";
  close $tmpfh  or die "error closing $tmpf: $!";

  $self->{fulltext_tmpfile} = $tmpf;

  dbg("check: create_fulltext_tmpfile, written %d bytes to file %s",
      length($$fulltext), $tmpf);

  return $self->{fulltext_tmpfile};
}

=item $status->delete_fulltext_tmpfile ()

Will cleanup after a $status->create_fulltext_tmpfile() call.  Deletes the
temporary file and uncaches the filename.

=cut

sub delete_fulltext_tmpfile {
  my ($self) = @_;
  if (defined $self->{fulltext_tmpfile}) {
    if (!unlink $self->{fulltext_tmpfile}) {
      my $msg = sprintf("cannot unlink %s: %s", $self->{fulltext_tmpfile}, $!);
      # don't fuss too much if file is missing, perhaps it wasn't even created
      if ($! == ENOENT) { warn $msg } else { die $msg }
    }
    $self->{fulltext_tmpfile} = undef;
  }
}

###########################################################################

sub all_from_addrs {
  my ($self) = @_;

  if (exists $self->{all_from_addrs}) { return @{$self->{all_from_addrs}}; }

  my @addrs;

  # Resent- headers take priority, if present. see bug 672
  my $resent = $self->get('Resent-From',undef);
  if (defined $resent && $resent =~ /\S/) {
    @addrs = $self->{main}->find_all_addrs_in_line ($resent);
  }
  else {
    # bug 2292: Used to use find_all_addrs_in_line() with the same
    # headers, but the would catch addresses in comments which caused
    # FNs for things like whitelist_from.  Since all of these are From
    # headers, there should only be 1 address in each anyway (not exactly
    # true, RFC 2822 allows multiple addresses in a From header field),
    # so use the :addr code...
    # bug 3366: some addresses come in as 'foo@bar...', which is invalid.
    # so deal with the multiple periods.
    ## no critic
    @addrs = map { tr/././s; $_ } grep { $_ ne '' }
        ($self->get('From:addr'),		# std
         $self->get('Envelope-Sender:addr'),	# qmail: new-inject(1)
         $self->get('Resent-Sender:addr'),	# procmailrc manpage
         $self->get('X-Envelope-From:addr'),	# procmailrc manpage
         $self->get('EnvelopeFrom:addr'));	# SMTP envelope
    # http://www.cs.tut.fi/~jkorpela/headers.html is useful here
  }

  # Remove duplicate addresses
  my %addrs = map { $_ => 1 } @addrs;
  @addrs = keys %addrs;

  dbg("eval: all '*From' addrs: " . join(" ", @addrs));
  $self->{all_from_addrs} = \@addrs;
  return @addrs;
}

=item all_from_addrs_domains

This function returns all the various from addresses in a message using all_from_addrs() 
and then returns only the domain names.  

=cut

sub all_from_addrs_domains {
  my ($self) = @_;

  if (exists $self->{all_from_addrs_domains}) { 
    return @{$self->{all_from_addrs_domains}};
  }

  #TEST POINT - my @addrs = ("test.voipquotes2.net","test.voipquotes2.co.uk"); 
  #Start with all the normal from addrs
  my @addrs = &all_from_addrs($self);

  dbg("eval: all '*From' addrs domains (before): " . join(" ", @addrs));

  #loop through and limit to just the domain with a dummy address
  for (my $i = 0; $i < scalar(@addrs); $i++) {
    $addrs[$i] = 'dummy@'.&Mail::SpamAssassin::Util::uri_to_domain($addrs[$i]);
  }

  #Remove duplicate domains
  my %addrs = map { $_ => 1 } @addrs;
  @addrs = keys %addrs;

  dbg("eval: all '*From' addrs domains (after uri to domain): " . join(" ", @addrs));

  $self->{all_from_addrs_domains} = \@addrs;

  return @addrs;
}

sub all_to_addrs {
  my ($self) = @_;

  if (exists $self->{all_to_addrs}) { return @{$self->{all_to_addrs}}; }

  my @addrs;

  # Resent- headers take priority, if present. see bug 672
  my $resent = join('', $self->get('Resent-To'), $self->get('Resent-Cc'));
  if ($resent =~ /\S/) {
    @addrs = $self->{main}->find_all_addrs_in_line($resent);
  } else {
    # OK, a fetchmail trick: try to find the recipient address from
    # the most recent 3 Received lines.  This is required for sendmail,
    # since it does not add a helpful header like exim, qmail
    # or Postfix do.
    #
    my $rcvd = $self->get('Received');
    $rcvd =~ s/\n[ \t]+/ /gs;
    $rcvd =~ s/\n+/\n/gs;

    my @rcvdlines = split(/\n/, $rcvd, 4); pop @rcvdlines; # forget last one
    my @rcvdaddrs;
    foreach my $line (@rcvdlines) {
      if ($line =~ / for (\S+\@\S+);/) { push (@rcvdaddrs, $1); }
    }

    @addrs = $self->{main}->find_all_addrs_in_line (
       join('',
	 join(" ", @rcvdaddrs)."\n",
         $self->get('To'),			# std 
  	 $self->get('Apparently-To'),		# sendmail, from envelope
  	 $self->get('Delivered-To'),		# Postfix, poss qmail
  	 $self->get('Envelope-Recipients'),	# qmail: new-inject(1)
  	 $self->get('Apparently-Resent-To'),	# procmailrc manpage
  	 $self->get('X-Envelope-To'),		# procmailrc manpage
  	 $self->get('Envelope-To'),		# exim
	 $self->get('X-Delivered-To'),		# procmail quick start
	 $self->get('X-Original-To'),		# procmail quick start
	 $self->get('X-Rcpt-To'),		# procmail quick start
	 $self->get('X-Real-To'),		# procmail quick start
	 $self->get('Cc')));			# std
    # those are taken from various sources; thanks to Nancy McGough, who
    # noted some in <http://www.ii.com/internet/robots/procmail/qs/#envelope>
  }

  dbg("eval: all '*To' addrs: " . join(" ", @addrs));
  $self->{all_to_addrs} = \@addrs;
  return @addrs;

# http://www.cs.tut.fi/~jkorpela/headers.html is useful here, also
# http://www.exim.org/pipermail/exim-users/Week-of-Mon-20001009/021672.html
}

###########################################################################

1;
__END__

=back

=head1 SEE ALSO

C<Mail::SpamAssassin>
C<spamassassin>