summaryrefslogtreecommitdiffstats
path: root/mdk-stage1/dietlibc/include/sys/i386-ioctl.h
diff options
context:
space:
mode:
Diffstat (limited to 'mdk-stage1/dietlibc/include/sys/i386-ioctl.h')
-rw-r--r--mdk-stage1/dietlibc/include/sys/i386-ioctl.h141
1 files changed, 141 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/include/sys/i386-ioctl.h b/mdk-stage1/dietlibc/include/sys/i386-ioctl.h
new file mode 100644
index 000000000..c9aa270d6
--- /dev/null
+++ b/mdk-stage1/dietlibc/include/sys/i386-ioctl.h
@@ -0,0 +1,141 @@
+
+/*
+ * The following is for compatibility across the various Linux
+ * platforms. The i386 ioctl numbering scheme doesn't really enforce
+ * a type field. De facto, however, the top 8 bits of the lower 16
+ * bits are indeed used as a type field, so we might just as well make
+ * this explicit here. Please be sure to use the decoding macros
+ * below from now on.
+ */
+#define _IOC_NRBITS 8
+#define _IOC_TYPEBITS 8
+#define _IOC_SIZEBITS 14
+#define _IOC_DIRBITS 2
+
+#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
+#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
+#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
+#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
+
+#define _IOC_NRSHIFT 0
+#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
+#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
+#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
+
+/*
+ * Direction bits.
+ */
+#define _IOC_NONE 0U
+#define _IOC_WRITE 1U
+#define _IOC_READ 2U
+
+#define _IOC(dir,type,nr,size) \
+ (((dir) << _IOC_DIRSHIFT) | \
+ ((type) << _IOC_TYPESHIFT) | \
+ ((nr) << _IOC_NRSHIFT) | \
+ ((size) << _IOC_SIZESHIFT))
+
+/* used to create numbers */
+#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
+#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
+#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
+#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
+
+/* used to decode ioctl numbers.. */
+#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
+#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
+#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
+#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
+
+/* ...and for the drivers/sound files... */
+
+#define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT)
+#define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT)
+#define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
+#define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT)
+#define IOCSIZE_SHIFT (_IOC_SIZESHIFT)
+
+/* 0x54 is just a magic number to make these relatively unique ('T') */
+
+#define TCGETS 0x5401
+#define TCSETS 0x5402
+#define TCSETSW 0x5403
+#define TCSETSF 0x5404
+#define TCGETA 0x5405
+#define TCSETA 0x5406
+#define TCSETAW 0x5407
+#define TCSETAF 0x5408
+#define TCSBRK 0x5409
+#define TCXONC 0x540A
+#define TCFLSH 0x540B
+#define TIOCEXCL 0x540C
+#define TIOCNXCL 0x540D
+#define TIOCSCTTY 0x540E
+#define TIOCGPGRP 0x540F
+#define TIOCSPGRP 0x5410
+#define TIOCOUTQ 0x5411
+#define TIOCSTI 0x5412
+#define TIOCGWINSZ 0x5413
+#define TIOCSWINSZ 0x5414
+#define TIOCMGET 0x5415
+#define TIOCMBIS 0x5416
+#define TIOCMBIC 0x5417
+#define TIOCMSET 0x5418
+#define TIOCGSOFTCAR 0x5419
+#define TIOCSSOFTCAR 0x541A
+#define FIONREAD 0x541B
+#define TIOCINQ FIONREAD
+#define TIOCLINUX 0x541C
+#define TIOCCONS 0x541D
+#define TIOCGSERIAL 0x541E
+#define TIOCSSERIAL 0x541F
+#define TIOCPKT 0x5420
+#define FIONBIO 0x5421
+#define TIOCNOTTY 0x5422
+#define TIOCSETD 0x5423
+#define TIOCGETD 0x5424
+#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */
+#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */
+#define TIOCSBRK 0x5427 /* BSD compatibility */
+#define TIOCCBRK 0x5428 /* BSD compatibility */
+#define TIOCGSID 0x5429 /* Return the session ID of FD */
+#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
+#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */
+
+#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */
+#define FIOCLEX 0x5451
+#define FIOASYNC 0x5452
+#define TIOCSERCONFIG 0x5453
+#define TIOCSERGWILD 0x5454
+#define TIOCSERSWILD 0x5455
+#define TIOCGLCKTRMIOS 0x5456
+#define TIOCSLCKTRMIOS 0x5457
+#define TIOCSERGSTRUCT 0x5458 /* For debugging only */
+#define TIOCSERGETLSR 0x5459 /* Get line status register */
+#define TIOCSERGETMULTI 0x545A /* Get multiport config */
+#define TIOCSERSETMULTI 0x545B /* Set multiport config */
+
+#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */
+#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */
+#define TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */
+#define TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */
+#define FIOQSIZE 0x5460
+
+/* Used for packet mode */
+#define TIOCPKT_DATA 0
+#define TIOCPKT_FLUSHREAD 1
+#define TIOCPKT_FLUSHWRITE 2
+#define TIOCPKT_STOP 4
+#define TIOCPKT_START 8
+#define TIOCPKT_NOSTOP 16
+#define TIOCPKT_DOSTOP 32
+
+#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */
+
+/* Socket-level I/O control calls. */
+#define FIOSETOWN 0x8901
+#define SIOCSPGRP 0x8902
+#define FIOGETOWN 0x8903
+#define SIOCGPGRP 0x8904
+#define SIOCATMARK 0x8905
+#define SIOCGSTAMP 0x8906 /* Get stamp */
generated by cgit v1.2.1 (git 2.21.0) at 2024-05-30 15:48:34 +0000
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 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 
package urpm;

# $Id$

no warnings 'utf8';
use strict;
use File::Find ();
use urpm::msg;
use urpm::download;
use urpm::util;
use urpm::sys;
use urpm::cfg;

our $VERSION = '4.8.12';
our @ISA = qw(URPM);

use URPM;
use URPM::Resolve;
use POSIX;

BEGIN {
    # this won't work in 5.10 when encoding::warnings will be lexical
    if ($ENV{DEBUG_URPMI}) {
	require encoding::warnings;
	encoding::warnings->import;
    }
}

#- this violently overrides is_arch_compat() to always return true.
sub shunt_ignorearch {
    eval q( sub URPM::Package::is_arch_compat { 1 } );
}

#- create a new urpm object.
sub new {
    my ($class) = @_;
    my $self;
    $self = bless {
	# from URPM
	depslist   => [],
	provides   => {},

	config     => "/etc/urpmi/urpmi.cfg",
	skiplist   => "/etc/urpmi/skip.list",
	instlist   => "/etc/urpmi/inst.list",
	statedir   => "/var/lib/urpmi",
	cachedir   => "/var/cache/urpmi",
	media      => undef,
	options    => {},

	#- sync: first argument is options hashref, others are urls to fetch.
	sync       => sub { $self->sync_webfetch(@_) },
	fatal      => sub { printf STDERR "%s\n", $_[1]; exit($_[0]) },
	error      => sub { printf STDERR "%s\n", $_[0] },
	log        => sub { printf "%s\n", $_[0] },
	ui_msg     => sub {
	    $self->{log}($_[0]);
	    ref $self->{ui} && ref $self->{ui}{msg} and $self->{ui}{msg}->($_[1]);
	},
    }, $class;
    $self->set_nofatal(1);
    $self;
}

#- syncing algorithms.
sub sync_webfetch {
    my $urpm = shift;
    my $options = shift;
    my %files;
    #- currently ftp and http protocols are managed by curl or wget,
    #- ssh and rsync protocols are managed by rsync *AND* ssh.
    foreach (@_) {
	/^([^:_]*)[^:]*:/ or die N("unknown protocol defined for %s", $_);
	push @{$files{$1}}, $_;
    }
    if ($files{removable} || $files{file}) {
	eval {
	    sync_file($options, @{$files{removable} || []}, @{$files{file} || []});
	};
	$urpm->{fatal}(10, $@) if $@;
	delete @files{qw(removable file)};
    }
    for my $cpt (qw(wget-options curl-options rsync-options)) {
	$options->{$cpt} = $urpm->{options}{$cpt} if defined $urpm->{options}{$cpt};
    }
    if ($files{ftp} || $files{http} || $files{https}) {
	my @webfetch = qw(curl wget);
	my @available_webfetch = grep { -x "/usr/bin/$_" } @webfetch;
	my $preferred;
	#- use user default downloader if provided and available
	my $option_downloader = $urpm->{options}{downloader}; #- cmd-line switch
	if (!$option_downloader && $options->{media}) { #- per-media config
	    (my $m) = grep { $_->{name} eq $options->{media} } @{$urpm->{media}};
	    ref $m && $m->{downloader} and $option_downloader = $m->{downloader};
	}
	#- global config
	!$option_downloader && exists $urpm->{global_config}{downloader}
	    and $option_downloader = $urpm->{global_config}{downloader};
	if ($option_downloader) {
	    ($preferred) = grep { $_ eq $option_downloader } @available_webfetch;
	}
	#- else first downloader of @webfetch is the default one
	$preferred ||= $available_webfetch[0];
	if ($preferred eq 'curl') {
	    sync_curl($options, @{$files{ftp} || []}, @{$files{http} || []}, @{$files{https} || []});
	} elsif ($preferred eq 'wget') {
	    sync_wget($options, @{$files{ftp} || []}, @{$files{http} || []}, @{$files{https} || []});
	} else {
	    die N("no webfetch found, supported webfetch are: %s\n", join(", ", @webfetch));
	}
	delete @files{qw(ftp http https)};
    }
    if ($files{rsync}) {
	sync_rsync($options, @{$files{rsync} || []});
	delete $files{rsync};
    }
    if ($files{ssh}) {
	my @ssh_files;
	foreach (@{$files{ssh} || []}) {
	    m|^ssh://([^/]*)(.*)| and push @ssh_files, "$1:$2";
	}
	sync_ssh($options, @ssh_files);
	delete $files{ssh};
    }
    %files and die N("unable to handle protocol: %s", join ', ', keys %files);
}

our @PER_MEDIA_OPT = qw(
    downloader
    hdlist
    ignore
    key-ids
    list
    md5sum
    noreconfigure
    priority
    removable
    static
    synthesis
    update
    verify-rpm
    virtual
    with_hdlist
);

#- Loads /etc/urpmi/urpmi.cfg and performs basic checks.
#- Does not handle old format: <name> <url> [with <path_hdlist>]
#- options :
#-    - nocheck_access : don't check presence of hdlist and other files
sub read_config {
    my ($urpm, %options) = @_;
    return if $urpm->{media}; #- media already loaded
    $urpm->{media} = [];
    my $config = urpm::cfg::load_config($urpm->{config})
	or $urpm->{fatal}(6, $urpm::cfg::err);

    #- global options
    if ($config->{''}) {
	foreach my $opt (qw(
	    allow-force
	    allow-nodeps
	    auto
	    compress
	    downloader
	    default-media
	    excludedocs
	    excludepath
	    fuzzy
	    ignoresize
	    keep
	    key-ids
	    limit-rate
	    nopubkey
	    norebuild
	    post-clean
	    pre-clean
	    priority-upgrade
	    prohibit-remove
	    repackage
	    resume
	    retry
	    split-length
	    split-level
	    strict-arch
	    verify-rpm
	    curl-options
	    rsync-options
	    wget-options
	)) {
	    if (defined $config->{''}{$opt} && !exists $urpm->{options}{$opt}) {
		$urpm->{options}{$opt} = $config->{''}{$opt};
	    }
	}
    }
    #- per-media options
    foreach my $m (grep { $_ ne '' } keys %$config) {
	my $medium = { name => $m, clear_url => $config->{$m}{url} };
	foreach my $opt (@PER_MEDIA_OPT) {
	    defined $config->{$m}{$opt} and $medium->{$opt} = $config->{$m}{$opt};
	}
	$urpm->probe_medium($medium, %options) and push @{$urpm->{media}}, $medium;
    }

    eval { require urpm::ldap; urpm::ldap::load_ldap_media($urpm, %options) };

    #- load default values
    foreach (qw(post-clean verify-rpm)) {
	exists $urpm->{options}{$_} or $urpm->{options}{$_} = 1;
    }

    $urpm->{media} = [ sort { $a->{priority} <=> $b->{priority} } @{$urpm->{media}} ];

    #- remember if an hdlist or list file is already used
    my %filelists;
    foreach (@{$urpm->{media}}) {
	foreach my $filetype (qw(hdlist list)) {
	    if ($_->{$filetype}) {
		exists($filelists{$filetype}{$_->{$filetype}})
		    and $_->{ignore} = 1,
		    $urpm->{error}(
			$filetype eq 'hdlist'
			    ? N("medium \"%s\" trying to use an already used hdlist, medium ignored", $_->{name})
			    : N("medium \"%s\" trying to use an already used list, medium ignored",   $_->{name})
		    );
		$filelists{$filetype}{$_->{$filetype}} = undef;
	    }
	}
    }

    #- check the presence of hdlist and list files if necessary.
    unless ($options{nocheck_access}) {
	foreach (@{$urpm->{media}}) {
	    $_->{ignore} and next;
	    -r "$urpm->{statedir}/$_->{hdlist}" || -r "$urpm->{statedir}/synthesis.$_->{hdlist}" && $_->{synthesis}
		or $_->{ignore} = 1,
		$urpm->{error}(N("unable to access hdlist file of \"%s\", medium ignored", $_->{name}));
	    $_->{list} && -r "$urpm->{statedir}/$_->{list}" || defined $_->{url}
		or $_->{ignore} = 1,
		$urpm->{error}(N("unable to access list file of \"%s\", medium ignored", $_->{name}));
	}
    }

    #- read MD5 sums (usually not in urpmi.cfg but in a separate file)
    my $md5sum = $urpm->open_safe("<", "$urpm->{statedir}/MD5SUM");
    if ($md5sum) {
	while (<$md5sum>) {
	    my ($md5sum, $file) = /(\S*)\s+(.*)/;
	    foreach (@{$urpm->{media}}) {
		($_->{synthesis} ? "synthesis." : "") . $_->{hdlist} eq $file
		    and $_->{md5sum} = $md5sum, last;
	    }
	}
	close $md5sum;
    }

    #- remember global options for write_config
    $urpm->{global_config} = $config->{''};
}

#- probe medium to be used, take old medium into account too.
sub probe_medium {
    my ($urpm, $medium, %options) = @_;
    local $_;

    foreach (@{$urpm->{media}}) {
	if ($_->{name} eq $medium->{name}) {
	    $urpm->{error}(N("trying to override existing medium \"%s\", skipping", $medium->{name}));
	    return;
	}
    }

    $medium->{url} ||= $medium->{clear_url};

    if ($medium->{virtual}) {
	#- a virtual medium needs to have an url available without using a list file.
	if ($medium->{hdlist} || $medium->{list}) {
	    $medium->{ignore} = 1;
	    $urpm->{error}(N("virtual medium \"%s\" should not have defined hdlist or list file, medium ignored",
			     $medium->{name}));
	}
	unless ($medium->{url}) {
	    $medium->{ignore} = 1;
	    $urpm->{error}(N("virtual medium \"%s\" should have a clear url, medium ignored",
			     $medium->{name}));
	}
    } else {
	unless ($medium->{ignore} || $medium->{hdlist}) {
	    $medium->{hdlist} = "hdlist.$medium->{name}.cz";
	    -e "$urpm->{statedir}/$medium->{hdlist}" or $medium->{hdlist} = "hdlist.$medium->{name}.cz2";
	    -e "$urpm->{statedir}/$medium->{hdlist}" or
	      $medium->{ignore} = 1,
		$urpm->{error}(N("unable to find hdlist file for \"%s\", medium ignored", $medium->{name}));
	}
	unless ($medium->{ignore} || $medium->{list}) {
	    unless (defined $medium->{url}) {
		$medium->{list} = "list.$medium->{name}";
		unless (-e "$urpm->{statedir}/$medium->{list}") {
		    $medium->{ignore} = 1,
		      $urpm->{error}(N("unable to find list file for \"%s\", medium ignored", $medium->{name}));
		}
	    }
	}

	#- there is a little more to do at this point as url is not known, inspect directly list file for it.
	unless ($medium->{url}) {
	    my %probe;
	    if (-r "$urpm->{statedir}/$medium->{list}") {
		my $listfile = $urpm->open_safe("<", "$urpm->{statedir}/$medium->{list}");
		if ($listfile) {
		    while (<$listfile>) {
			#- /./ is end of url marker in list file (typically generated by a
			#- find . -name "*.rpm" > list
			#- for exportable list file.
			m|^(.*)/\./| and $probe{$1} = undef;
			m|^(.*)/[^/]*$| and $probe{$1} = undef;
		    }
		    close $listfile;
		}
	    }
	    foreach (sort { length($a) <=> length($b) } keys %probe) {
		if ($medium->{url}) {
		    if ($medium->{url} ne substr($_, 0, length($medium->{url}))) {
			$medium->{ignore} or $urpm->{error}(N("inconsistent list file for \"%s\", medium ignored", $medium->{name}));
			$medium->{ignore} = 1;
			last;
		    }
		} else {
		    $medium->{url} = $_;
		}
	    }
	    unless ($options{nocheck_access}) {
		unless ($medium->{url}) {
		    $medium->{ignore} or $urpm->{error}(N("unable to inspect list file for \"%s\", medium ignored", $medium->{name}));
		    $medium->{ignore} = 1;
		}
	    }
	}
    }

    #- probe removable device.
    $urpm->probe_removable_device($medium);

    #- clear URLs for trailing /es.
    $medium->{url} and $medium->{url} =~ s|(.*?)/*$|$1|;
    $medium->{clear_url} and $medium->{clear_url} =~ s|(.*?)/*$|$1|;

    $medium;
}

#- returns the removable device name if it corresponds to an iso image, '' otherwise
sub is_iso {
    my ($removable_dev) = @_;
    $removable_dev && $removable_dev =~ /\.iso$/i ? $removable_dev : '';
}

#- probe device associated with a removable device.
sub probe_removable_device {
    my ($urpm, $medium) = @_;

    #- try to find device name in url scheme
    if ($medium->{url} && $medium->{url} =~ /^removable_?([^_:]*)(?:_[^:]*)?:/) {
	$medium->{removable} ||= $1 && "/dev/$1";
    } else {
	delete $medium->{removable};
    }

    #- try to find device to open/close for removable medium.
    if (exists($medium->{removable})) {
	if (my ($dir) = $medium->{url} =~ m!^(?:(?:file|removable)[^:]*:/)?(/.*)!) {
	    my %infos;
	    my @mntpoints = urpm::sys::find_mntpoints($dir, \%infos);
	    if (@mntpoints > 1) { #- return value is suitable for an hash.
		$urpm->{log}(N("too many mount points for removable medium \"%s\"", $medium->{name}));
		$urpm->{log}(N("taking removable device as \"%s\"", join ',', map { $infos{$_}{device} } @mntpoints));
	    }
	    if (is_iso($medium->{removable})) {
		$urpm->{log}(N("Medium \"%s\" is an ISO image, will be mounted on-the-fly", $medium->{name}));
	    } elsif (@mntpoints) {
		if ($medium->{removable} && $medium->{removable} ne $infos{$mntpoints[-1]}{device}) {
		    $urpm->{log}(N("using different removable device [%s] for \"%s\"",
				   $infos{$mntpoints[-1]}{device}, $medium->{name}));
		}
		$medium->{removable} = $infos{$mntpoints[-1]}{device};
	    } else {
		$urpm->{error}(N("unable to retrieve pathname for removable medium \"%s\"", $medium->{name}));
	    }
	} else {
	    $urpm->{error}(N("unable to retrieve pathname for removable medium \"%s\"", $medium->{name}));
	}
    }
}

#- Writes the urpmi.cfg file.
sub write_config {
    my ($urpm) = @_;

    #- avoid trashing exiting configuration if it wasn't loaded
    $urpm->{media} or return;

    my $config = {
	#- global config options found in the config file, without the ones
	#- set from the command-line
	'' => $urpm->{global_config},
    };
    foreach my $medium (@{$urpm->{media}}) {
	next if $medium->{external};
	my $medium_name = $medium->{name};
	$config->{$medium_name}{url} = $medium->{clear_url};
	foreach (qw(hdlist with_hdlist list removable key-ids priority priority-upgrade update noreconfigure static ignore synthesis virtual)) {
	    defined $medium->{$_} and $config->{$medium_name}{$_} = $medium->{$_};
	}
    }
    urpm::cfg::dump_config($urpm->{config}, $config)
	or $urpm->{fatal}(6, N("unable to write config file [%s]", $urpm->{config}));

    #- write MD5SUM file
    my $md5sum = $urpm->open_safe('>', "$urpm->{statedir}/MD5SUM") or return 0;
    foreach my $medium (@{$urpm->{media}}) {
	$medium->{md5sum}
	    and print $md5sum "$medium->{md5sum}  " . ($medium->{synthesis} && "synthesis.") . $medium->{hdlist} . "\n";
    }
    close $md5sum;

    $urpm->{log}(N("wrote config file [%s]", $urpm->{config}));

    #- everything should be synced now.
    delete $urpm->{modified};
}

#- read urpmi.cfg file as well as necessary synthesis files
#- options :
#-	callback
#-	call_back_only_once
#-	excludemedia
#-	hdlist
#-	media
#-	nodepslist
#-	noinstalling
#-	noskipping
#-	parallel
#-	root
#-	searchmedia
#-	skip
#-	sortmedia
#-	update
#-	usedistrib
sub configure {
    my ($urpm, %options) = @_;

    $urpm->clean;

    $options{parallel} && $options{usedistrib} and $urpm->{fatal}(1, N("Can't use parallel mode with use-distrib mode"));

    if ($options{parallel}) {
	my ($parallel_options, $parallel_handler);
	#- read parallel configuration
	local $_;
	my $parallel = $urpm->open_safe("<", "/etc/urpmi/parallel.cfg");
	if ($parallel) {
	    while (<$parallel>) {
		chomp; s/#.*$//; s/^\s*//; s/\s*$//;
		/\s*([^:]*):(.*)/ or $urpm->{error}(N("unable to parse \"%s\" in file [%s]", $_, "/etc/urpmi/parallel.cfg")), next;
		$1 eq $options{parallel} and $parallel_options = ($parallel_options && "\n") . $2;
	    }
	    close $parallel;
	}
	#- if a configuration option has been found, use it; else fatal error.
	if ($parallel_options) {
	    foreach my $dir (grep { -d $_ } map { "$_/urpm" } @INC) {
		my $dh = $urpm->opendir_safe($dir);
		if ($dh) {
		    while (defined ($_ = readdir $dh)) { #- load parallel modules
			/parallel.*\.pm$/ && -f "$dir/$_" or next;
			$urpm->{log}->(N("examining parallel handler in file [%s]", "$dir/$_"));
			eval { require "$dir/$_"; $parallel_handler = $urpm->handle_parallel_options($parallel_options) };
			$parallel_handler and last;
		    }
		    closedir $dh;
		}
		$parallel_handler and last;
	    }
	}
	if ($parallel_handler) {
	    if ($parallel_handler->{nodes}) {
		$urpm->{log}->(N("found parallel handler for nodes: %s", join(', ', keys %{$parallel_handler->{nodes}})));
	    }
	    if (!$options{media} && $parallel_handler->{media}) {
		$options{media} = $parallel_handler->{media};
		$urpm->{log}->(N("using associated media for parallel mode: %s", $options{media}));
	    }
	    $urpm->{parallel_handler} = $parallel_handler;
	} else {
	    $urpm->{fatal}(1, N("unable to use parallel option \"%s\"", $options{parallel}));
	}
    } else {
	#- parallel is exclusive against root options.
	$urpm->{root} = $options{root};
    }

    $urpm->{root} && ! -c "$urpm->{root}/dev/null"
	and $urpm->{error}(N("there doesn't seem to be devices in the chroot in \"%s\"", $urpm->{root}));

    if ($options{synthesis}) {
	if ($options{synthesis} ne 'none') {
	    #- synthesis take precedence over media, update options.
	    $options{media} || $options{excludemedia} || $options{sortmedia} || $options{update} || $options{parallel} and
	      $urpm->{fatal}(1, N("--synthesis cannot be used with --media, --excludemedia, --sortmedia, --update or --parallel"));
	    $urpm->parse_synthesis($options{synthesis});
	    #- synthesis disables the split of transaction (too risky and not useful).
	    $urpm->{options}{'split-length'} = 0;
	}
    } else {
        if ($options{usedistrib}) {
            $urpm->{media} = [];
            $urpm->add_distrib_media("Virtual", $options{usedistrib}, %options, 'virtual' => 1);
        } else {
	    $urpm->read_config(%options);
	    if (!$options{media} && $urpm->{options}{'default-media'}) {
		$options{media} = $urpm->{options}{'default-media'};
	    }
        }
	if ($options{media}) {
	    delete $_->{modified} foreach @{$urpm->{media} || []};
	    $urpm->select_media(split /,/, $options{media});
	    foreach (grep { !$_->{modified} } @{$urpm->{media} || []}) {
		#- this is only a local ignore that will not be saved.
		$_->{ignore} = 1;
	    }
	}
	if ($options{searchmedia}) {
	   $urpm->select_media($options{searchmedia}); #- Ensure this media has been selected
	   foreach (grep { !$_->{ignore} } @{$urpm->{media} || []}) {
		$_->{name} eq $options{searchmedia} and do {
			$_->{searchmedia} = 1;
			last;
		};
	   }
	}
	if ($options{excludemedia}) {
	    delete $_->{modified} foreach @{$urpm->{media} || []};
	    $urpm->select_media(split /,/, $options{excludemedia});
	    foreach (grep { $_->{modified} } @{$urpm->{media} || []}) {
		#- this is only a local ignore that will not be saved.
		$_->{ignore} = 1;
	    }
	}
	if ($options{sortmedia}) {
	    delete $_->{modified} foreach @{$urpm->{media} || []};
	    my @oldmedia = @{$urpm->{media} || []};
	    my @newmedia;
	    foreach (split /,/, $options{sortmedia}) {
		$urpm->select_media($_);
		push @newmedia, grep { $_->{modified} } @oldmedia;
		@oldmedia = grep { !$_->{modified} } @oldmedia;
	    }
	    #- anything not selected should be added here, as it's after the selected ones.
	    $urpm->{media} = [ @newmedia, @oldmedia ];
	    #- forget remaining modified flags.
	    delete $_->{modified} foreach @{$urpm->{media} || []};
	}
	unless ($options{nodepslist}) {
	    my $second_pass;
	    do {
		foreach (grep { !$_->{ignore} && (!$options{update} || $_->{update}) } @{$urpm->{media} || []}) {
		    our $currentmedia = $_; #- hack for urpmf
		    delete @$_{qw(start end)};
		    if ($_->{virtual}) {
			my $path = $_->{url} =~ m!^(?:file:/*)?(/[^/].*[^/])/*\Z! && $1;
			if ($path) {
			    if ($_->{synthesis}) {
				$urpm->{log}(N("examining synthesis file [%s]", "$path/$_->{with_hdlist}"));
				($_->{start}, $_->{end}) = $urpm->parse_synthesis(
				    "$path/$_->{with_hdlist}", callback => $options{callback});
			    } else {
				$urpm->{log}(N("examining hdlist file [%s]", "$path/$_->{with_hdlist}"));
				#- we'll need a second pass
				defined $second_pass or $second_pass = 1;
				($_->{start}, $_->{end}) = $urpm->parse_hdlist(
				    "$path/$_->{with_hdlist}",
				    packing => 1,
				    callback => $options{call_back_only_once} && $second_pass ? undef : $options{callback},
				);
			    }
			} else {
			    $urpm->{error}(N("virtual medium \"%s\" is not local, medium ignored", $_->{name}));
			    $_->{ignore} = 1;
			}
		    } else {
			if ($options{hdlist} && -e "$urpm->{statedir}/$_->{hdlist}" && -s _ > 32) {
			    $urpm->{log}(N("examining hdlist file [%s]", "$urpm->{statedir}/$_->{hdlist}"));
			    ($_->{start}, $_->{end}) = $urpm->parse_hdlist(
				"$urpm->{statedir}/$_->{hdlist}",
				packing => 1,
				callback => $options{callback},
			    );
			} else {
			    $urpm->{log}(N("examining synthesis file [%s]", "$urpm->{statedir}/synthesis.$_->{hdlist}"));
			    ($_->{start}, $_->{end}) = $urpm->parse_synthesis(
				"$urpm->{statedir}/synthesis.$_->{hdlist}",
				callback => $options{callback},
			    );
			    unless (defined $_->{start} && defined $_->{end}) {
				$urpm->{log}(N("examining hdlist file [%s]", "$urpm->{statedir}/$_->{hdlist}"));
				($_->{start}, $_->{end}) = $urpm->parse_hdlist("$urpm->{statedir}/$_->{hdlist}",
				    packing => 1,
				    callback => $options{callback},
				);
			    }
			}
		    }
		    unless ($_->{ignore}) {
			if (defined $_->{start} && defined $_->{end}) {
			    if ($_->{searchmedia}) {
			        ($urpm->{searchmedia}{start}, $urpm->{searchmedia}{end}) = ($_->{start}, $_->{end});
				$urpm->{log}(N("Search start: %s end: %s",
					$urpm->{searchmedia}{start}, $urpm->{searchmedia}{end}));
				delete $_->{searchmedia};
			    }
			} else {
			    $urpm->{error}(N("problem reading hdlist or synthesis file of medium \"%s\"", $_->{name}));
			    $_->{ignore} = 1;
			}
		    }
		}
	    } while $second_pass && do {
		require URPM::Build;
		$urpm->{log}(N("performing second pass to compute dependencies\n"));
		$urpm->unresolved_provides_clean;
		$second_pass--;
	    };
	}
    }
    #- determine package to withdraw (from skip.list file) only if something should be withdrawn.
    unless ($options{noskipping}) {
	my %uniq;
	$urpm->compute_flags(
	    get_packages_list($urpm->{skiplist}, $options{skip}),
	    skip => 1,
	    callback => sub {
		my ($urpm, $pkg) = @_;
		$pkg->is_arch_compat && ! exists $uniq{$pkg->fullname} or return;
		$uniq{$pkg->fullname} = undef;
		$urpm->{log}(N("skipping package %s", scalar($pkg->fullname)));
	    },
	);
    }
    unless ($options{noinstalling}) {
	my %uniq;
	$urpm->compute_flags(
	    get_packages_list($urpm->{instlist}),
	    disable_obsolete => 1,
	    callback => sub {
		my ($urpm, $pkg) = @_;
		$pkg->is_arch_compat && ! exists $uniq{$pkg->fullname} or return;
		$uniq{$pkg->fullname} = undef;
		$urpm->{log}(N("would install instead of upgrade package %s", scalar($pkg->fullname)));
	    },
	);
    }
    if ($options{bug}) {
	#- and a dump of rpmdb itself as synthesis file.
	my $db = URPM::DB::open($options{root});
	my $sig_handler = sub { undef $db; exit 3 };
	local $SIG{INT} = $sig_handler;
	local $SIG{QUIT} = $sig_handler;

	$db or $urpm->{fatal}(9, N("unable to open rpmdb"));
	open my $rpmdb, "| " . ($ENV{LD_LOADER} || '') . " gzip -9 >'$options{bug}/rpmdb.cz'"
	    or $urpm->syserror("Can't fork", "gzip");
	$db->traverse(sub {
			  my ($p) = @_;
			  #- this is not right but may be enough.
			  my $files = join '@', grep { exists($urpm->{provides}{$_}) } $p->files;
			  $p->pack_header;
			  $p->build_info(fileno $rpmdb, $files);
		      });
	close $rpmdb;
    }
}

#- add a new medium, sync the config file accordingly.
#- returns the new medium's name. (might be different from the requested
#- name if index_name was specified)
sub add_medium {
    my ($urpm, $name, $url, $with_hdlist, %options) = @_;

    #- make sure configuration has been read.
    $urpm->{media} or $urpm->read_config;

    #- if a medium with that name has already been found, we have to exit now
    my $medium;
    if (defined $options{index_name}) {
	my $i = $options{index_name};
	do {
	    ++$i;
	    undef $medium;
	    foreach (@{$urpm->{media}}) {
		$_->{name} eq $name . $i and $medium = $_;
	    }
	} while $medium;
	$name .= $i;
    } else {
	foreach (@{$urpm->{media}}) {
	    $_->{name} eq $name and $medium = $_;
	}
    }
    $medium and $urpm->{fatal}(5, N("medium \"%s\" already exists", $medium->{name}));

    $url =~ s,/*$,,; #- clear URLs for trailing /es.

    #- creating the medium info.
    $medium = { name => $name, url => $url, update => $options{update}, modified => 1, ignore => $options{ignore} };
    if ($options{virtual}) {
	$url =~ m!^(?:file:)?/! or $urpm->{fatal}(1, N("virtual medium needs to be local"));
	$medium->{virtual} = 1;
    } else {
	$medium->{hdlist} = "hdlist.$name.cz";
	$medium->{list} = "list.$name";
	#- check if the medium is using a local or a removable medium.
	$url =~ m!^(?:(removable[^:]*|file):/)?(/.*)! and $urpm->probe_removable_device($medium);
    }

    #- local media have priority, other are added at the end.
    if ($url =~ m!^(?:file:)?/!) {
	$medium->{priority} = 0.5;
    } else {
	$medium->{priority} = 1 + @{$urpm->{media}};
    }

    #- check whether a password is visible, if not, set clear_url.
    my $has_password = $url =~ m|([^:]*://[^/:\@]*:)[^/:\@]*(\@.*)|;
    $medium->{clear_url} = $url unless $has_password;

    $with_hdlist and $medium->{with_hdlist} = $with_hdlist;

    #- create an entry in media list.
    push @{$urpm->{media}}, $medium;

    $urpm->{log}(N("added medium %s", $name));

    #- we need to reload the config, since some string substitutions may have occured
    unless ($options{no_reload_config}) {
	$urpm->write_config;
	delete $urpm->{media};
	$urpm->read_config(nocheck_access => 1);
	#- Remember that the database has been modified and base files need to
	#- be updated. This will be done automatically by transferring the
	#- "modified" flag from medium to global.
	$_->{name} eq $name and $_->{modified} = 1 foreach @{$urpm->{media}};
	$urpm->{modified} = 1;
    }
    if ($has_password) {
	foreach (grep { $_->{name} eq $name } @{$urpm->{media}}) {
	    $_->{url} = $url;
	}
    }

    $name;
}

#- add distribution media, according to url given.
#- returns the list of names of added media.
#- options :
#- - limit_rate, compress : for downloading files
#- - initial_number : when adding several numbered media, start with this number
#- - probe_with : if eq 'synthesis', use synthesis instead of hdlists
#- other options are passed to add_medium()
sub add_distrib_media {
    my ($urpm, $name, $url, %options) = @_;
    my ($hdlists_file);
    my $distrib_root = "media/media_info";

    #- make sure configuration has been read.
    # (Olivier Thauvin): Is this a workaround ?
    $urpm->{media} or $urpm->read_config;

    #- try to copy/retrieve the hdlists file.
    if (my ($dir) = $url =~ m!^(?:removable[^:]*:/|file:/)?(/.*)!) {
	#- be compatible with pre-10.1 layout
	-d "$dir/$distrib_root" or $distrib_root = "Mandrake/base";

	$hdlists_file = reduce_pathname("$dir/$distrib_root/hdlists");

	$urpm->try_mounting($hdlists_file) or $urpm->{error}(N("unable to access first installation medium")), return ();

	if (-e $hdlists_file) {
	    unlink "$urpm->{cachedir}/partial/hdlists";
	    $urpm->{log}(N("copying hdlists file..."));
	    urpm::util::copy($hdlists_file, "$urpm->{cachedir}/partial/hdlists")
		? $urpm->{log}(N("...copying done"))
		: do { $urpm->{error}(N("...copying failed")); return () };
	    chown 0, 0, "$urpm->{cachedir}/partial/hdlists";
	} else {
	    $urpm->{error}(N("unable to access first installation medium (no hdlists file found)"));
	    return ();
	}
    } else {
	#- try to get the description of the hdlists if it has been found.
	unlink "$urpm->{cachedir}/partial/hdlists";
	eval {
	    $urpm->{log}(N("retrieving hdlists file..."));
	    $urpm->{sync}(
		{
		    dir => "$urpm->{cachedir}/partial",
		    quiet => 1,
		    limit_rate => $options{limit_rate},
		    compress => $options{compress},
		    retry => $urpm->{options}{retry},
		    proxy => get_proxy(),
		},
		reduce_pathname("$url/$distrib_root/hdlists"),
	    );
	    $urpm->{log}(N("...retrieving done"));
	};
	$@ and $urpm->{error}(N("...retrieving failed: %s", $@));
	if (-e "$urpm->{cachedir}/partial/hdlists") {
	    $hdlists_file = "$urpm->{cachedir}/partial/hdlists";
	} else {
	    $urpm->{error}(N("unable to access first installation medium (no hdlists file found)"));
	    return ();
	}
    }

    #- cosmetic update of name if it contains spaces.
    $name =~ /\s/ and $name .= ' ';

    my @newnames;
    #- at this point, we have found an hdlists file, so parse it
    #- and create all necessary media according to it.
    my $hdlistsfh;
    if ($hdlistsfh = $urpm->open_safe("<", $hdlists_file)) {
	my $medium = $options{initial_number} || 1;
	foreach (<$hdlistsfh>) {
	    chomp;
	    s/\s*#.*$//;
	    /^\s*$/ and next;
	    /^(?:suppl|askmedia)/ and next;
	    /^\s*(noauto:)?(hdlist\S*\.cz2?)\s+(\S+)\s*([^(]*)(\(.+\))?$/
		or $urpm->{error}(N("invalid hdlist description \"%s\" in hdlists file", $_));
	    my ($noauto, $hdlist, $rpmsdir, $descr) = ($1, $2, $3, $4);
	    next if $noauto;
	    $descr =~ s/\s+$//;

	    push @newnames, $urpm->add_medium(
		$name ? "$descr ($name$medium)" : $descr,
		"$url/$rpmsdir",
		offset_pathname($url, $rpmsdir) . "/$distrib_root/" . ($options{probe_with} eq 'synthesis' ? 'synthesis.' : '') . $hdlist,
		index_name => $name ? undef : 0,
		no_reload_config => 1, #- no need to reload config each time, since we don't update the media
		%options,
	    );

	    ++$medium;
	}
	close $hdlistsfh;
	return @newnames;
    } else {
	$urpm->{error}(N("unable to access first installation medium (no hdlists file found)"));
	return ();
    }
}

sub select_media {
    my $urpm = shift;
    my $options = {};
    if (ref $_[0]) { $options = shift }
    my %media; @media{@_} = ();

    foreach (@{$urpm->{media}}) {
	if (exists($media{$_->{name}})) {
	    $media{$_->{name}} = 1; #- keep in mind this one has been selected.
	    #- select medium by setting the modified flag, do not check ignore.
	    $_->{modified} = 1;
	}
    }

    #- check if some arguments don't correspond to the medium name.
    #- in such case, try to find the unique medium (or list candidate
    #- media found).
    foreach (keys %media) {
	unless ($media{$_}) {
	    my $q = quotemeta;
	    my (@found, @foundi);
	    my $regex  = $options->{strict_match} ? qr/^$q$/  : qr/$q/;
	    my $regexi = $options->{strict_match} ? qr/^$q$/i : qr/$q/i;
	    foreach my $medium (@{$urpm->{media}}) {
		$medium->{name} =~ $regex  and push @found, $medium;
		$medium->{name} =~ $regexi and push @foundi, $medium;
	    }
	    if (@found == 1) {
		$found[0]{modified} = 1;
	    } elsif (@foundi == 1) {
		$foundi[0]{modified} = 1;
	    } elsif (@found == 0 && @foundi == 0) {
		$urpm->{error}(N("trying to select nonexistent medium \"%s\"", $_));
	    } else { #- several elements in found and/or foundi lists.
		$urpm->{log}(N("selecting multiple media: %s", join(", ", map { qq("$_->{name}") } (@found ? @found : @foundi))));
		#- changed behaviour to select all occurences by default.
		foreach (@found ? @found : @foundi) {
		    $_->{modified} = 1;
		}
	    }
	}
    }
}

sub remove_selected_media {
    my ($urpm) = @_;
    my @result;

    foreach (@{$urpm->{media}}) {
	if ($_->{modified}) {
	    $urpm->{log}(N("removing medium \"%s\"", $_->{name}));

	    #- mark to re-write configuration.
	    $urpm->{modified} = 1;

	    #- remove files associated with this medium.
	    foreach ($_->{hdlist}, $_->{list}, "synthesis.$_->{hdlist}", "descriptions.$_->{name}", "names.$_->{name}",
		     "$_->{name}.cache") {
		$_ and unlink "$urpm->{statedir}/$_";
	    }

	    #- remove proxy settings for this media
	    urpm::download::remove_proxy_media($_->{name});
	} else {
	    push @result, $_; #- not removed so keep it
	}
    }

    #- restore newer media list.
    $urpm->{media} = \@result;
}

#- return list of synthesis or hdlist reference to probe.
sub _probe_with_try_list {
    my ($suffix, $probe_with) = @_;
    my @probe = (
	"media_info/synthesis.hdlist.cz",
	"../media_info/synthesis.hdlist_$suffix.cz",
	"synthesis.hdlist.cz",
    );
    my @probe_hdlist = (
	"media_info/hdlist.cz",
	"../media_info/hdlist_$suffix.cz",
	"hdlist.cz",
    );
    if ($probe_with =~ /synthesis/) {
	push @probe, @probe_hdlist;
    } else {
	unshift @probe, @probe_hdlist;
    }
    @probe;
}

#- read a reconfiguration file for urpmi, and reconfigure media accordingly
#- $rfile is the reconfiguration file (local), $name is the media name
sub reconfig_urpmi {
    my ($urpm, $rfile, $name) = @_;
    my @replacements;
    my @reconfigurable = qw(url with_hdlist clear_url);
    my $reconfigured = 0;
    my $fh = $urpm->open_safe("<", $rfile) or return undef;
    $urpm->{log}(N("reconfiguring urpmi for media \"%s\"", $name));
    #- the first line of reconfig.urpmi must be magic, to be sure it's not an error file
    my $magic = <$fh>;
    $magic =~ /^# this is an urpmi reconfiguration file/ or return undef;
    while (<$fh>) {
	chomp;
	s/^\s*//; s/#.*$//; s/\s*$//;
	$_ or next;
	my ($p, $r, $f) = split /\s+/, $_, 3;
	$f ||= 1;
	push @replacements, [ quotemeta $p, $r, $f ];
    }
  MEDIA:
    foreach my $medium (grep { $_->{name} eq $name } @{$urpm->{media}}) {
        my %orig = map { $_ => $medium->{$_} } @reconfigurable;
      URLS:
	foreach my $k (@reconfigurable) {
	    foreach my $r (@replacements) {
		if ($medium->{$k} =~ s/$r->[0]/$r->[1]/) {
		    $reconfigured = 1;
		    #- Flags stolen from mod_rewrite: L(ast), N(ext)
		    last if $r->[2] =~ /L/;
		    redo URLS if $r->[2] =~ /N/;
		}
	    }
	    #- check that the new url exists before committing changes (local mirrors)
	    if ($medium->{$k} =~ m!^(?:file:/*)?(/[^/].*[^/])/*\Z! && !-e $1) {
		$medium->{$k} = $orig{$k} foreach @reconfigurable;
		$reconfigured = 0;
		$urpm->{log}(N("...reconfiguration failed"));
		last MEDIA;
	    }
	}
    }
    close $fh;
    if ($reconfigured) {
	$urpm->{log}(N("reconfiguration done"));
	$urpm->write_config;
    }
    $reconfigured;
}

sub _guess_hdlist_suffix {
    my ($dir) = @_;
    my ($suffix) = $dir =~ m!\bmedia/(\w+)/*\Z!;
    $suffix;
}

sub _guess_pubkey_name {
    my ($medium) = @_;
    return $medium->{with_hdlist} =~ /hdlist(.*?)(?:\.src)?\.cz2?$/ ? "pubkey$1" : 'pubkey';
}

#- Update the urpmi database w.r.t. the current configuration.
#- Takes care of modifications, and tries some tricks to bypass
#- the recomputation of base files.
#- Recognized options :
#-   all         : all medias are being rebuilt
#-   callback    : UI callback
#-   compress    : use compressed download (for rsync)
#-   forcekey    : force retrieval of pubkey
#-   force       : try to force rebuilding base files (1) or hdlist from rpm files (2)
#-   limit_rate  : download limit rate
#-   noclean     : keep old files in the header cache directory
#-   nolock      : don't lock the urpmi database
#-   nomd5sum    : don't verify MD5SUM of retrieved files
#-   nopubkey    : don't use rpm pubkeys
#-   norebuild   : don't try to rebuild hdlists from rpm headers
#-   probe_with  : probe synthesis or hdlist (or none)
#-   quiet       : download hdlists quietly
#-   ratio       : use this compression ratio (with gzip, default is 4)
sub update_media {
    my ($urpm, %options) = @_;
    my $clean_cache = !$options{noclean};
    my $second_pass;

    $urpm->{media} or return; # verify that configuration has been read

    my $nopubkey = $options{nopubkey} || $urpm->{options}{nopubkey};
    #- get gpg-pubkey signature.
    if (!$nopubkey) {
	$urpm->exlock_rpm_db;
	$urpm->{keys} or $urpm->parse_pubkeys(root => $urpm->{root});
    }
    #- lock database if allowed.
    $options{nolock} or $urpm->exlock_urpmi_db;

    #- examine each medium to see if one of them needs to be updated.
    #- if this is the case and if not forced, try to use a pre-calculated
    #- hdlist file, else build it from rpm files.
    $urpm->clean;

    my %media_redone;
  MEDIA:
    foreach my $medium (@{$urpm->{media}}) {
	$medium->{ignore} and next MEDIA;

	$options{forcekey} and delete $medium->{'key-ids'};

	#- we should create the associated synthesis file if it does not already exist...
	-e "$urpm->{statedir}/synthesis.$medium->{hdlist}" && -s _ > 32
	    or $medium->{modified_synthesis} = 1;

	#- if we're rebuilding all media, mark them as modified (except removable ones)
	$medium->{modified} ||= $options{all} && $medium->{url} !~ m!^removable://!;
	#- don't ever update static media
	$medium->{static} and $medium->{modified} = 0;

	unless ($medium->{modified}) {
	    #- the medium is not modified, but to compute dependencies,
	    #- we still need to read it and all synthesis will be written if
	    #- an unresolved provides is found.
	    #- to speed up the process, we only read the synthesis at the beginning.
	    delete @$medium{qw(start end)};
	    if ($medium->{virtual}) {
		my ($path) = $medium->{url} =~ m!^(?:file:)?/*(/[^/].*[^/])/*\Z!;
		if ($path) {
		    my $with_hdlist_file = "$path/$medium->{with_hdlist}";
		    if ($medium->{synthesis}) {
			$urpm->{log}(N("examining synthesis file [%s]", $with_hdlist_file));
			($medium->{start}, $medium->{end}) = $urpm->parse_synthesis($with_hdlist_file);
		    } else {
			$urpm->{log}(N("examining hdlist file [%s]", $with_hdlist_file));
			($medium->{start}, $medium->{end}) = $urpm->parse_hdlist($with_hdlist_file, packing => 1);
		    }
		} else {
		    $urpm->{error}(N("virtual medium \"%s\" is not local, medium ignored", $medium->{name}));
		    $_->{ignore} = 1;
		}
	    } else {
		$urpm->{log}(N("examining synthesis file [%s]", "$urpm->{statedir}/synthesis.$medium->{hdlist}"));
		($medium->{start}, $medium->{end}) = $urpm->parse_synthesis("$urpm->{statedir}/synthesis.$medium->{hdlist}");
		unless (defined $medium->{start} && defined $medium->{end}) {
		    $urpm->{log}(N("examining hdlist file [%s]", "$urpm->{statedir}/$medium->{hdlist}"));
		    ($medium->{start}, $medium->{end}) = $urpm->parse_hdlist("$urpm->{statedir}/$medium->{hdlist}", packing => 1);
		}
	    }
	    unless ($medium->{ignore}) {
		unless (defined $medium->{start} && defined $medium->{end}) {
		    #- this is almost a fatal error, ignore it by default?
		    $urpm->{error}(N("problem reading hdlist or synthesis file of medium \"%s\"", $medium->{name}));
		    $medium->{ignore} = 1;
		}
	    }
	    next;
	}

	#- list of rpm files for this medium, only available for local medium where
	#- the source hdlist is not used (use force).
	my ($prefix, $dir, $error, $retrieved_md5sum, @files);

	#- always delete a remaining list file or pubkey file in cache.
	foreach (qw(list pubkey)) {
	    unlink "$urpm->{cachedir}/partial/$_";
	}

	#- check if the medium is using a local or a removable medium.
	if (($prefix, $dir) = $medium->{url} =~ m!^(?:(removable[^:]*|file):/)?(/.*)!) {
	    $prefix ||= 'file';
	    #- check for a reconfig.urpmi file (if not already reconfigured)
	    if (!$media_redone{$medium->{name}} && !$medium->{noreconfigure}) {
		my $reconfig_urpmi = reduce_pathname("$dir/reconfig.urpmi");
		if (-s $reconfig_urpmi && $urpm->reconfig_urpmi($reconfig_urpmi, $medium->{name})) {
		    $media_redone{$medium->{name}} = 1;
		    redo MEDIA;
		}
	    }

	    #- try to figure a possible hdlist_path (or parent directory of searched directory).
	    #- this is used to probe for a possible hdlist file.
	    my $with_hdlist_dir = reduce_pathname($dir . ($medium->{with_hdlist} ? "/$medium->{with_hdlist}" : "/.."));

	    #- the directory given does not exist and may be accessible
	    #- by mounting some other directory. Try to figure it out and mount
	    #- everything that might be necessary.
	    -d $dir or $urpm->try_mounting(
		$options{force} < 2 && ($options{probe_with} || $medium->{with_hdlist})
		    ? $with_hdlist_dir : $dir,
		#- in case of an iso image, pass its name
		is_iso($medium->{removable}),
	    ) or $urpm->{error}(N("unable to access medium \"%s\",
this could happen if you mounted manually the directory when creating the medium.", $medium->{name})), next;

	    #- try to probe for possible with_hdlist parameter, unless
	    #- it is already defined (and valid).
	    if ($options{probe_with} && (!$medium->{with_hdlist} || ! -e "$dir/$medium->{with_hdlist}")) {
		foreach (_probe_with_try_list(_guess_hdlist_suffix($dir), $options{probe_with})) {
		    if (-e "$dir/$_" && -s _ > 32) {
			$medium->{with_hdlist} = $_;
			last;
		    }
		}
		#- redo...
		$with_hdlist_dir = reduce_pathname($dir . ($medium->{with_hdlist} ? "/$medium->{with_hdlist}" : "/.."));
	    }

	    if ($medium->{virtual}) {
		#- syncing a virtual medium is very simple, just try to read the file in order to
		#- determine its type, once a with_hdlist has been found (but is mandatory).
		if ($medium->{with_hdlist} && -e $with_hdlist_dir) {
		    delete @$medium{qw(start end)};
		    if ($medium->{synthesis}) {
			$urpm->{log}(N("examining synthesis file [%s]", $with_hdlist_dir));
			($medium->{start}, $medium->{end}) = $urpm->parse_synthesis($with_hdlist_dir);
			delete $medium->{modified};
			$medium->{synthesis} = 1;
			$urpm->{modified} = 1;
			unless (defined $medium->{start} && defined $medium->{end}) {
			    $urpm->{log}(N("examining hdlist file [%s]", $with_hdlist_dir));
			    ($medium->{start}, $medium->{end}) = $urpm->parse_hdlist($with_hdlist_dir, packing => 1);
			    delete @$medium{qw(modified synthesis)};
			    $urpm->{modified} = 1;
			}
		    } else {
			$urpm->{log}(N("examining hdlist file [%s]", $with_hdlist_dir));
			($medium->{start}, $medium->{end}) = $urpm->parse_hdlist($with_hdlist_dir, packing => 1);
			delete @$medium{qw(modified synthesis)};
			$urpm->{modified} = 1;
			unless (defined $medium->{start} && defined $medium->{end}) {
			    $urpm->{log}(N("examining synthesis file [%s]", $with_hdlist_dir));
			    ($medium->{start}, $medium->{end}) = $urpm->parse_synthesis($with_hdlist_dir);
			    delete $medium->{modified};
			    $medium->{synthesis} = 1;
			    $urpm->{modified} = 1;
			}
		    }
		    unless (defined $medium->{start} && defined $medium->{end}) {
			$urpm->{error}(N("problem reading hdlist or synthesis file of medium \"%s\"", $medium->{name}));
			$medium->{ignore} = 1;
		    }
		} else {
		    $urpm->{error}(N("virtual medium \"%s\" should have valid source hdlist or synthesis, medium ignored",
				     $medium->{name}));
		    $medium->{ignore} = 1;
		}
	    }
	    #- try to get the description if it has been found.
	    unlink "$urpm->{statedir}/descriptions.$medium->{name}";
	    my $description_file = "$dir/media_info/descriptions"; #- new default location
	    -e $description_file or $description_file = "$dir/../descriptions";
	    if (-e $description_file) {
		$urpm->{log}(N("copying description file of \"%s\"...", $medium->{name}));
		urpm::util::copy($description_file, "$urpm->{statedir}/descriptions.$medium->{name}")
		    ? $urpm->{log}(N("...copying done"))
		    : do { $urpm->{error}(N("...copying failed")); $medium->{ignore} = 1 };
		chown 0, 0, "$urpm->{statedir}/descriptions.$medium->{name}";
	    }

	    #- examine if a distant MD5SUM file is available.
	    #- this will only be done if $with_hdlist is not empty in order to use
	    #- an existing hdlist or synthesis file, and to check if download was good.
	    #- if no MD5SUM is available, do it as before...
	    #- we can assume at this point a basename is existing, but it needs
	    #- to be checked for being valid, nothing can be deduced if no MD5SUM
	    #- file is present.
	    my $basename = urpm::download::basename($with_hdlist_dir);

	    unless ($medium->{virtual}) {
		if ($medium->{with_hdlist}) {
		    if (!$options{nomd5sum} && -s reduce_pathname("$with_hdlist_dir/../MD5SUM") > 32) {
			recompute_local_md5sum($urpm, $medium, $options{force});
			if ($medium->{md5sum}) {
			    $retrieved_md5sum = parse_md5sum($urpm, reduce_pathname("$with_hdlist_dir/../MD5SUM"), $basename);
			    #- If an existing hdlist or synthesis file has the same md5sum, we assume
			    #- the files are the same.
			    #- If the local md5sum is the same as the distant md5sum, this means
			    #- that there is no need to download the hdlist or synthesis file again.
			    if (defined $retrieved_md5sum && $medium->{md5sum} eq $retrieved_md5sum) {
				unlink "$urpm->{cachedir}/partial/$basename";
				#- the medium is now considered not modified.
				$medium->{modified} = 0;
				#- XXX we could link the new hdlist to the old one.
				#- (However links need to be managed. see bug #12391.)
				#- as previously done, just read synthesis file here, this is enough.
				$urpm->{log}(N("examining synthesis file [%s]",
				    "$urpm->{statedir}/synthesis.$medium->{hdlist}"));
				($medium->{start}, $medium->{end}) =
				    $urpm->parse_synthesis("$urpm->{statedir}/synthesis.$medium->{hdlist}");
				unless (defined $medium->{start} && defined $medium->{end}) {
				    $urpm->{log}(N("examining hdlist file [%s]", "$urpm->{statedir}/$medium->{hdlist}"));
				    ($medium->{start}, $medium->{end}) =
					$urpm->parse_hdlist("$urpm->{statedir}/$medium->{hdlist}", packing => 1);
				    unless (defined $medium->{start} && defined $medium->{end}) {
					$urpm->{error}(N("problem reading hdlist or synthesis file of medium \"%s\"",
					    $medium->{name}));
					$medium->{ignore} = 1;
				    }
				}
			    }
			    $medium->{modified} or next MEDIA;
			}
		    }

		    #- if the source hdlist is present and we are not forcing using rpm files
		    if ($options{force} < 2 && -e $with_hdlist_dir) {
			unlink "$urpm->{cachedir}/partial/$medium->{hdlist}";
			$urpm->{log}(N("copying source hdlist (or synthesis) of \"%s\"...", $medium->{name}));
			$options{callback} and $options{callback}('copy', $medium->{name});
			if (urpm::util::copy($with_hdlist_dir, "$urpm->{cachedir}/partial/$medium->{hdlist}")) {
			    $options{callback} and $options{callback}('done', $medium->{name});
			    $urpm->{log}(N("...copying done"));
			    chown 0, 0, "$urpm->{cachedir}/partial/$medium->{hdlist}";
			} else {
			    $options{callback} and $options{callback}('failed', $medium->{name});
			    #- force error, reported afterwards
			    unlink "$urpm->{cachedir}/partial/$medium->{hdlist}";
			}
		    }

		    -e "$urpm->{cachedir}/partial/$medium->{hdlist}" && -s _ > 32 or
		      $error = 1, $urpm->{error}(N("copy of [%s] failed (file is suspiciously small)",
                                             "$urpm->{cachedir}/partial/$medium->{hdlist}"));

		    #- keep checking md5sum of file just copied ! (especially on nfs or removable device).
		    if (!$error && $retrieved_md5sum) {
			$urpm->{log}(N("computing md5sum of copied source hdlist (or synthesis)"));
			md5sum("$urpm->{cachedir}/partial/$medium->{hdlist}") eq $retrieved_md5sum or
			  $error = 1, $urpm->{error}(N("copy of [%s] failed (md5sum mismatch)", $with_hdlist_dir));
		    }

		    #- check if the files are equal... and no force copy...
		    if (!$error && !$options{force} && -e "$urpm->{statedir}/synthesis.$medium->{hdlist}") {
			my @sstat = stat "$urpm->{cachedir}/partial/$medium->{hdlist}";
			my @lstat = stat "$urpm->{statedir}/$medium->{hdlist}";
			if ($sstat[7] == $lstat[7] && $sstat[9] == $lstat[9]) {
			    #- the two files are considered equal here, the medium is so not modified.
			    $medium->{modified} = 0;
			    unlink "$urpm->{cachedir}/partial/$medium->{hdlist}";
			    #- as previously done, just read synthesis file here, this is enough, but only
			    #- if synthesis exists, else it needs to be recomputed.
			    $urpm->{log}(N("examining synthesis file [%s]", "$urpm->{statedir}/synthesis.$medium->{hdlist}"));
			    ($medium->{start}, $medium->{end}) =
				$urpm->parse_synthesis("$urpm->{statedir}/synthesis.$medium->{hdlist}");
			    unless (defined $medium->{start} && defined $medium->{end}) {
				$urpm->{log}(N("examining hdlist file [%s]", "$urpm->{statedir}/$medium->{hdlist}"));
				($medium->{start}, $medium->{end}) =
				    $urpm->parse_hdlist("$urpm->{statedir}/$medium->{hdlist}", packing => 1);