diff options
Diffstat (limited to 'apt-pkg/versionmatch.cc')
| -rw-r--r-- | apt-pkg/versionmatch.cc | 73 |
1 files changed, 59 insertions, 14 deletions
diff --git a/apt-pkg/versionmatch.cc b/apt-pkg/versionmatch.cc index b4d1d4696..c40b1fdbc 100644 --- a/apt-pkg/versionmatch.cc +++ b/apt-pkg/versionmatch.cc @@ -18,6 +18,10 @@ #include <stdio.h> #include <ctype.h> +#include <fnmatch.h> +#include <sys/types.h> +#include <regex.h> + /*}}}*/ // VersionMatch::pkgVersionMatch - Constructor /*{{{*/ @@ -100,6 +104,8 @@ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type) RelLabel = Fragments[J]+2; else if (stringcasecmp(Fragments[J],Fragments[J]+2,"c=") == 0) RelComponent = Fragments[J]+2; + else if (stringcasecmp(Fragments[J],Fragments[J]+2,"b=") == 0) + RelArchitecture = Fragments[J]+2; } if (RelVerStr.end()[-1] == '*') @@ -112,7 +118,10 @@ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type) if (Type == Origin) { - OrSite = Data; + if (Data[0] == '"' && Data.length() >= 2 && Data.end()[-1] == '"') + OrSite = Data.substr(1, Data.length() - 2); + else + OrSite = Data; return; } } @@ -149,6 +158,8 @@ pkgCache::VerIterator pkgVersionMatch::Find(pkgCache::PkgIterator Pkg) { if (MatchVer(Ver.VerStr(),VerStr,VerPrefixMatch) == true) return Ver; + if (ExpressionMatches(VerStr, Ver.VerStr()) == true) + return Ver; continue; } @@ -160,6 +171,36 @@ pkgCache::VerIterator pkgVersionMatch::Find(pkgCache::PkgIterator Pkg) // This will be Ended by now. return Ver; } + +#ifndef FNM_CASEFOLD +#define FNM_CASEFOLD 0 +#endif + +bool pkgVersionMatch::ExpressionMatches(const char *pattern, const char *string) +{ + if (pattern[0] == '/') { + bool res = false; + size_t length = strlen(pattern); + if (pattern[length - 1] == '/') { + regex_t preg; + char *regex = strdup(pattern + 1); + regex[length - 2] = '\0'; + if (regcomp(&preg, regex, REG_EXTENDED | REG_ICASE) != 0) { + _error->Warning("Invalid regular expression: %s", regex); + } else if (regexec(&preg, string, 0, NULL, 0) == 0) { + res = true; + } + free(regex); + regfree(&preg); + return res; + } + } + return fnmatch(pattern, string, FNM_CASEFOLD) == 0; +} +bool pkgVersionMatch::ExpressionMatches(const std::string& pattern, const char *string) +{ + return ExpressionMatches(pattern.c_str(), string); +} /*}}}*/ // VersionMatch::FileMatch - Match against an index file /*{{{*/ // --------------------------------------------------------------------- @@ -178,38 +219,42 @@ bool pkgVersionMatch::FileMatch(pkgCache::PkgFileIterator File) if (RelVerStr.empty() == true && RelOrigin.empty() == true && RelArchive.empty() == true && RelLabel.empty() == true && RelRelease.empty() == true && RelCodename.empty() == true && - RelComponent.empty() == true) + RelComponent.empty() == true && RelArchitecture.empty() == true) return false; if (RelVerStr.empty() == false) if (File->Version == 0 || - MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false) + (MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false && + ExpressionMatches(RelVerStr, File.Version()) == false)) return false; if (RelOrigin.empty() == false) - if (File->Origin == 0 || - stringcasecmp(RelOrigin,File.Origin()) != 0) + if (File->Origin == 0 || !ExpressionMatches(RelOrigin,File.Origin())) return false; if (RelArchive.empty() == false) if (File->Archive == 0 || - stringcasecmp(RelArchive,File.Archive()) != 0) + !ExpressionMatches(RelArchive,File.Archive())) return false; if (RelCodename.empty() == false) if (File->Codename == 0 || - stringcasecmp(RelCodename,File.Codename()) != 0) + !ExpressionMatches(RelCodename,File.Codename())) return false; if (RelRelease.empty() == false) if ((File->Archive == 0 || - stringcasecmp(RelRelease,File.Archive()) != 0) && + !ExpressionMatches(RelRelease,File.Archive())) && (File->Codename == 0 || - stringcasecmp(RelRelease,File.Codename()) != 0)) + !ExpressionMatches(RelRelease,File.Codename()))) return false; if (RelLabel.empty() == false) if (File->Label == 0 || - stringcasecmp(RelLabel,File.Label()) != 0) + !ExpressionMatches(RelLabel,File.Label())) return false; if (RelComponent.empty() == false) if (File->Component == 0 || - stringcasecmp(RelComponent,File.Component()) != 0) + !ExpressionMatches(RelComponent,File.Component())) + return false; + if (RelArchitecture.empty() == false) + if (File->Architecture == 0 || + !ExpressionMatches(RelArchitecture,File.Architecture())) return false; return true; } @@ -217,12 +262,12 @@ bool pkgVersionMatch::FileMatch(pkgCache::PkgFileIterator File) if (Type == Origin) { if (OrSite.empty() == false) { - if (File->Site == 0 || OrSite != File.Site()) + if (File->Site == 0) return false; } else // so we are talking about file:// or status file - if (strcmp(File.Site(),"") == 0 && File->Archive != 0) // skip the status file + if (strcmp(File.Site(),"") == 0 && File->Archive != 0 && strcmp(File.Archive(),"now") == 0) // skip the status file return false; - return (OrSite == File.Site()); /* both strings match */ + return (ExpressionMatches(OrSite, File.Site())); /* both strings match */ } return false; |