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rpmfile.py
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rpmfile.py
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#!/usr/bin/env python
import struct
import sys
RPM_MAGIC = 0xedabeedb
RPM_VER_MIN = (3, 0)
RPM_HEADER_HEADER_MAGIC = 0x8eade8
OLD_STYLE_HEADER_SIZE = 96
RPMSENSE_ANY = 0
RPMSENSE_LESS = 1 << 1
RPMSENSE_GREATER = 1 << 2
RPMSENSE_EQUAL = 1 << 3
RPMSENSE_SENSEMASK = 0x0f
RPMSENSE_NOTEQUAL = RPMSENSE_EQUAL ^ RPMSENSE_SENSEMASK
RPMSENSE_PROVIDES = (1 << 4)
RPMSENSE_CONFLICTS = (1 << 5)
RPMSENSE_OBSOLETES = (1 << 7)
RPMSENSE_INTERP = (1 << 8),
RPMSENSE_SCRIPT_PRE = ((1 << 9) | RPMSENSE_ANY)
RPMSENSE_SCRIPT_POST = ((1 << 10) | RPMSENSE_ANY)
RPMSENSE_SCRIPT_PREUN = ((1 << 11) | RPMSENSE_ANY)
RPMSENSE_SCRIPT_POSTUN = ((1 << 12) | RPMSENSE_ANY)
RPMSENSE_SCRIPT_VERIFY = (1 << 13)
RPMSENSE_FIND_REQUIRES = (1 << 14)
RPMSENSE_FIND_PROVIDES = (1 << 15)
RPMSENSE_TRIGGERIN = (1 << 16)
RPMSENSE_TRIGGERUN = (1 << 17)
RPMSENSE_TRIGGERPOSTUN = (1 << 18)
RPMSENSE_MISSINGOK = (1 << 19)
RPMSENSE_SCRIPT_PREP = (1 << 20)
RPMSENSE_SCRIPT_BUILD = (1 << 21)
RPMSENSE_SCRIPT_INSTALL = (1 << 22)
RPMSENSE_SCRIPT_CLEAN = (1 << 23)
RPMSENSE_RPMLIB = ((1 << 24) | RPMSENSE_ANY)
RPMSENSE_TRIGGERPREIN = (1 << 25)
RPMSENSE_KEYRING = (1 << 26)
RPMSENSE_PATCHES = (1 << 27)
RPMSENSE_CONFIG = (1 << 28)
def flags_to_str(flags):
flags = flags & RPMSENSE_SENSEMASK
if flags == 0:
return None
elif flags == 2:
return "LT"
elif flags == 4:
return "GT"
elif flags == 8:
return "EQ"
elif flags == 10:
return "LE"
elif flags == 12:
return "GE"
return None
SIGNATURE_TAG_TABLE = {
1000: "SIG_SIZE",
1001: "LEMD5_1",
1002: "PGP",
1003: "LEMD5_2",
1004: "MD5",
1005: "GPG",
1006: "PGP5",
1007: "PAYLOADSIZE",
264: "BADSHA1_1",
265: "BADSHA1_2",
269: "SHA1",
267: "DSA",
268: "RSA",
270: "SIG_LONGSIZE",
271: "SIG_LONGARCHIVESIZE"
}
HEADER_TAG_TABLE = {
61: "HEADERIMAGE",
62: "HEADERSIGNATURES",
63: "HEADERIMMUTABLE",
64: "HEADERREGIONS",
100: "HEADERI18NTABLE",
256: "SIG_BASE",
257: "SIGSIZE",
258: "SIGLEMD5_1",
259: "SIGPGP",
260: "SIGLEMD5_2",
261: "SIGMD5",
262: "SIGGPG",
263: "SIGPGP5",
264: "BADSHA1_1",
265: "BADSHA1_2",
266: "PUBKEYS",
267: "DSAHEADER",
268: "RSAHEADER",
269: "SHA1HEADER",
270: "LONGSIGSIZE",
271: "LONGARCHIVESIZE",
1000: "NAME",
1001: "VERSION",
1002: "RELEASE",
1003: "EPOCH",
1004: "SUMMARY",
1005: "DESCRIPTION",
1006: "BUILDTIME",
1007: "BUILDHOST",
1008: "INSTALLTIME",
1009: "SIZE",
1010: "DISTRIBUTION",
1011: "VENDOR",
1012: "GIF",
1013: "XPM",
1014: "LICENSE",
1015: "PACKAGER",
1016: "GROUP",
1017: "CHANGELOG",
1018: "SOURCE",
1019: "PATCH",
1020: "URL",
1021: "OS",
1022: "ARCH",
1023: "PREIN",
1024: "POSTIN",
1025: "PREUN",
1026: "POSTUN",
1027: "OLDFILENAMES",
1028: "FILESIZES",
1029: "FILESTATES",
1030: "FILEMODES",
1031: "FILEUIDS",
1032: "FILEGIDS",
1033: "FILERDEVS",
1034: "FILEMTIMES",
1035: "FILEDIGESTS",
1036: "FILELINKTOS",
1037: "FILEFLAGS",
1038: "ROOT",
1039: "FILEUSERNAME",
1040: "FILEGROUPNAME",
1041: "EXCLUDE",
1042: "EXCLUSIVE",
1043: "ICON",
1044: "SOURCERPM",
1045: "FILEVERIFYFLAGS",
1046: "ARCHIVESIZE",
1047: "PROVIDENAME",
1048: "REQUIREFLAGS",
1049: "REQUIRENAME",
1050: "REQUIREVERSION",
1051: "NOSOURCE",
1052: "NOPATCH",
1053: "CONFLICTFLAGS",
1054: "CONFLICTNAME",
1055: "CONFLICTVERSION",
1056: "DEFAULTPREFIX",
1057: "BUILDROOT",
1058: "INSTALLPREFIX",
1059: "EXCLUDEARCH",
1060: "EXCLUDEOS",
1061: "EXCLUSIVEARCH",
1062: "EXCLUSIVEOS",
1063: "AUTOREQPROV",
1064: "RPMVERSION",
1065: "TRIGGERSCRIPTS",
1066: "TRIGGERNAME",
1067: "TRIGGERVERSION",
1068: "TRIGGERFLAGS",
1069: "TRIGGERINDEX",
1079: "VERIFYSCRIPT",
1080: "CHANGELOGTIME",
1081: "CHANGELOGNAME",
1082: "CHANGELOGTEXT",
1083: "BROKENMD5",
1084: "PREREQ",
1085: "PREINPROG",
1086: "POSTINPROG",
1087: "PREUNPROG",
1088: "POSTUNPROG",
1089: "BUILDARCHS",
1090: "OBSOLETENAME",
1091: "VERIFYSCRIPTPROG",
1092: "TRIGGERSCRIPTPROG",
1093: "DOCDIR",
1094: "COOKIE",
1095: "FILEDEVICES",
1096: "FILEINODES",
1097: "FILELANGS",
1098: "PREFIXES",
1099: "INSTPREFIXES",
1100: "TRIGGERIN",
1101: "TRIGGERUN",
1102: "TRIGGERPOSTUN",
1103: "AUTOREQ",
1104: "AUTOPROV",
1105: "CAPABILITY",
1106: "SOURCEPACKAGE",
1107: "OLDORIGFILENAMES",
1108: "BUILDPREREQ",
1109: "BUILDREQUIRES",
1110: "BUILDCONFLICTS",
1111: "BUILDMACROS",
1112: "PROVIDEFLAGS",
1113: "PROVIDEVERSION",
1114: "OBSOLETEFLAGS",
1115: "OBSOLETEVERSION",
1116: "DIRINDEXES",
1117: "BASENAMES",
1118: "DIRNAMES",
1119: "ORIGDIRINDEXES",
1120: "ORIGBASENAMES",
1121: "ORIGDIRNAMES",
1122: "OPTFLAGS",
1123: "DISTURL",
1124: "PAYLOADFORMAT",
1125: "PAYLOADCOMPRESSOR",
1126: "PAYLOADFLAGS",
1127: "INSTALLCOLOR",
1128: "INSTALLTID",
1129: "REMOVETID",
1130: "SHA1RHN",
1131: "RHNPLATFORM",
1132: "PLATFORM",
1133: "PATCHESNAME",
1134: "PATCHESFLAGS",
1135: "PATCHESVERSION",
1136: "CACHECTIME",
1137: "CACHEPKGPATH",
1138: "CACHEPKGSIZE",
1139: "CACHEPKGMTIME",
1140: "FILECOLORS",
1141: "FILECLASS",
1142: "CLASSDICT",
1143: "FILEDEPENDSX",
1144: "FILEDEPENDSN",
1145: "DEPENDSDICT",
1146: "SOURCEPKGID",
1147: "FILECONTEXTS",
1148: "rpm/rpmtag.h",
1149: "RECONTEXTS",
1150: "POLICIES",
1151: "PRETRANS",
1152: "POSTTRANS",
1153: "PRETRANSPROG",
1154: "rpm/rpmtag.h",
1155: "DISTTAG",
1156: "SUGGESTSNAME",
1157: "SUGGESTSVERSION",
1158: "SUGGESTSFLAGS",
1159: "ENHANCESNAME",
1160: "ENHANCESVERSION",
1161: "ENHANCESFLAGS",
1162: "PRIORITY",
1163: "CVSID",
1164: "BLINKPKGID",
1165: "BLINKHDRID",
1166: "BLINKNEVRA",
1167: "FLINKPKGID",
1168: "FLINKHDRID",
1169: "FLINKNEVRA",
1170: "PACKAGEORIGIN",
1171: "TRIGGERPREIN",
1172: "BUILDSUGGESTS",
1173: "BUILDENHANCES",
1174: "SCRIPTSTATES",
1175: "SCRIPTMETRICS",
1176: "BUILDCPUCLOCK",
1177: "FILEDIGESTALGOS",
1178: "VARIANTS",
1179: "XMAJOR",
1180: "XMINOR",
1181: "REPOTAG",
1182: "KEYWORDS",
1183: "BUILDPLATFORMS",
1184: "PACKAGECOLOR",
1185: "PACKAGEPREFCOLOR",
1186: "XATTRSDICT",
1187: "FILEXATTRSX",
1188: "DEPATTRSDICT",
1189: "CONFLICTATTRSX",
1190: "OBSOLETEATTRSX",
1191: "PROVIDEATTRSX",
1192: "REQUIREATTRSX",
1193: "BUILDPROVIDES",
1194: "BUILDOBSOLETES",
1195: "DBINSTANCE",
1196: "NVRA",
5000: "FILENAMES",
5001: "FILEPROVIDE",
5002: "FILEREQUIRE",
5003: "FSNAMES",
5004: "FSSIZES",
5005: "TRIGGERCONDS",
5006: "TRIGGERTYPE",
5007: "ORIGFILENAMES",
5008: "LONGFILESIZES",
5009: "LONGSIZE",
5010: "FILECAPS",
5011: "FILEDIGESTALGO",
5012: "BUGURL",
5013: "EVR",
5014: "NVR",
5015: "NEVR",
5016: "NEVRA",
5017: "HEADERCOLOR",
5018: "VERBOSE",
5019: "EPOCHNUM",
5020: "PREINFLAGS",
5021: "POSTINFLAGS",
5022: "PREUNFLAGS",
5023: "POSTUNFLAGS",
5024: "PRETRANSFLAGS",
5025: "POSTTRANSFLAGS",
5026: "VERIFYSCRIPTFLAGS",
5027: "TRIGGERSCRIPTFLAGS",
5029: "COLLECTIONS",
5030: "POLICYNAMES",
5031: "POLICYTYPES",
5032: "POLICYTYPESINDEXES",
5033: "POLICYFLAGS",
5034: "VCS",
5035: "ORDERNAME",
5036: "ORDERVERSION",
5037: "ORDERFLAGS",
5038: "MSSFMANIFEST",
5039: "MSSFDOMAIN",
5040: "INSTFILENAMES",
5041: "REQUIRENEVRS",
5042: "PROVIDENEVRS",
5043: "OBSOLETENEVRS",
5044: "CONFLICTNEVRS",
5045: "FILENLINKS"
}
class RpmInfo(object):
def _read_header_header(self, f):
magic = struct.unpack('>I', b'\x00' + f.read(3))[0]
if magic != RPM_HEADER_HEADER_MAGIC:
raise RuntimeError("Wrong header header magic: '%s'" % hex(magic))
ver, reserved, num_index_entries, num_data_bytes = \
struct.unpack('>BIII', f.read(13))
return num_index_entries, num_data_bytes
def _read_index_entry(self, f):
tag, type, offset, count = \
struct.unpack('>IIII', f.read(16))
return tag, type, offset, count
def _read_store(self, f, tag_table, index_entries, num_index_bytes):
current_offset = f.tell()
result = {}
for entry in index_entries:
tag, type, offset, count = entry
f.seek(current_offset + offset)
value = None
if type == 0:
pass
elif type == 1:
value = []
for _ in range(count):
value.append(struct.unpack('>c', f.read(1))[0])
if len(value) == 1:
value = value[0]
elif type == 2:
value = []
for _ in range(count):
value.append(struct.unpack('>b', f.read(1))[0])
if len(value) == 1:
value = value[0]
elif type == 3:
value = []
for _ in range(count):
value.append(struct.unpack('>h', f.read(2))[0])
if len(value) == 1:
value = value[0]
elif type == 4:
value = []
for _ in range(count):
value.append(struct.unpack('>I', f.read(4))[0])
if len(value) == 1:
value = value[0]
elif type == 5:
value = []
for _ in range(count):
value.append(struct.unpack('>q', f.read(8))[0])
if len(value) == 1:
value = value[0]
elif type == 6 or type == 9:
char = None
string = b''
while True:
char = f.read(1)
if char == b'\x00':
break
string += char
value = string
elif type == 7:
value = struct.unpack('>%ds' % count, f.read(count))[0]
elif type == 8:
stringlist = []
for i in range(count):
char = None
string = b''
while True:
char = f.read(1)
if char == b'\x00':
break
string += char
stringlist.append(string)
value = stringlist
if tag in tag_table:
result[tag_table[tag]] = value
addr = current_offset + num_index_bytes
# align to 8-byte boundary
addr = (addr + (8 - 1)) & -8
f.seek(addr)
return result
def parse_header(self, f, tag_table):
num_index_entries, num_index_bytes = self._read_header_header(f)
index_entries = []
for i in range(num_index_entries):
index_entries.append(
self._read_index_entry(f))
data = self._read_store(f, tag_table, index_entries, num_index_bytes)
return data
def parse_file(self, filename):
with open(filename, 'rb') as f:
magic = struct.unpack('>I', f.read(4))[0]
if magic != RPM_MAGIC:
raise RuntimeError("Not an RPM file: '%s'" % filename)
ver_major, ver_minor = struct.unpack('>BB', f.read(2))
if (ver_major, ver_minor) < RPM_VER_MIN:
raise RuntimeError(("RPM file version '%d.%d' is less than " +
"minimum supported version '%d.%d'") %
((ver_major, ver_minor) + RPM_VER_MIN))
f.seek(OLD_STYLE_HEADER_SIZE) # size of old-style header
signature = self.parse_header(f, SIGNATURE_TAG_TABLE)
self.header_start = f.tell()
header = self.parse_header(f, HEADER_TAG_TABLE)
self.header_end = f.tell()
header.update(signature)
return header
def main():
i = RpmInfo()
data = i.parse_file(sys.argv[1])
for key, value in data.items():
print("%s: %s" % (key, str(value)))
if __name__ == '__main__':
main()