X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/6db194289ece36e62cb8dab0aa178209b46c59f2..89d88ac3ef3f82fdfeac6d8d231deddeeb0f02e9:/apt-pkg/deb/deblistparser.cc diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc index b708296d3..fd3e4808d 100644 --- a/apt-pkg/deb/deblistparser.cc +++ b/apt-pkg/deb/deblistparser.cc @@ -10,11 +10,14 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include #include #include +#include #include #include #include @@ -23,6 +26,8 @@ #include /*}}}*/ +using std::string; + static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important}, {"required",pkgCache::State::Required}, {"standard",pkgCache::State::Standard}, @@ -69,10 +74,7 @@ string debListParser::Package() { // --------------------------------------------------------------------- /* This will return the Architecture of the package this section describes */ string debListParser::Architecture() { - std::string const Arch = Section.FindS("Architecture"); - if (Arch.empty() == true) - return _config->Find("APT::Architecture"); - return Arch; + return Section.FindS("Architecture"); } /*}}}*/ // ListParser::ArchitectureAll /*{{{*/ @@ -198,7 +200,7 @@ string debListParser::DescriptionLanguage() std::vector const lang = APT::Configuration::getLanguages(true); for (std::vector::const_iterator l = lang.begin(); - l != lang.end(); l++) + l != lang.end(); ++l) if (Section.FindS(string("Description-").append(*l).c_str()).empty() == false) return *l; @@ -456,7 +458,7 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op) * * The complete architecture, consisting of -. */ -static string CompleteArch(std::string& arch) { +static string CompleteArch(std::string const &arch) { if (arch == "armel") return "linux-arm"; if (arch == "armhf") return "linux-arm"; if (arch == "lpia") return "linux-i386"; @@ -495,9 +497,13 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, Package.assign(Start,I - Start); // We don't want to confuse library users which can't handle MultiArch + string const arch = _config->Find("APT::Architecture"); if (StripMultiArch == true) { size_t const found = Package.rfind(':'); - if (found != string::npos) + if (found != string::npos && + (strcmp(Package.c_str() + found, ":any") == 0 || + strcmp(Package.c_str() + found, ":native") == 0 || + strcmp(Package.c_str() + found + 1, arch.c_str()) == 0)) Package = Package.substr(0,found); } @@ -516,9 +522,9 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, // Skip whitespace for (;I != Stop && isspace(*I) != 0; I++); Start = I; - for (;I != Stop && *I != ')'; I++); - if (I == Stop || Start == I) - return 0; + I = (const char*) memchr(I, ')', Stop - I); + if (I == NULL || Start == I) + return 0; // Skip trailing whitespace const char *End = I; @@ -538,7 +544,6 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, if (ParseArchFlags == true) { - string arch = _config->Find("APT::Architecture"); string completeArch = CompleteArch(arch); // Parse an architecture @@ -776,7 +781,9 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI, size_t len = 0; // Skip empty lines - for (; buffer[len] == '\r' && buffer[len] == '\n'; ++len); + for (; buffer[len] == '\r' && buffer[len] == '\n'; ++len) + /* nothing */ + ; if (buffer[len] == '\0') continue; @@ -790,47 +797,54 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI, } // seperate the tag from the data - for (; buffer[len] != ':' && buffer[len] != '\0'; ++len); - if (buffer[len] == '\0') + const char* dataStart = strchr(buffer + len, ':'); + if (dataStart == NULL) continue; - char* dataStart = buffer + len; - for (++dataStart; *dataStart == ' '; ++dataStart); - char* dataEnd = dataStart; - for (++dataEnd; *dataEnd != '\0'; ++dataEnd); + len = dataStart - buffer; + for (++dataStart; *dataStart == ' '; ++dataStart) + /* nothing */ + ; + const char* dataEnd = (const char*)rawmemchr(dataStart, '\0'); + // The last char should be a newline, but we can never be sure: #633350 + const char* lineEnd = dataEnd; + for (--lineEnd; *lineEnd == '\r' || *lineEnd == '\n'; --lineEnd) + /* nothing */ + ; + ++lineEnd; // which datastorage need to be updated - map_ptrloc* writeTo = NULL; + enum { Suite, Component, Version, Origin, Codename, Label, None } writeTo = None; if (buffer[0] == ' ') ; - #define APT_PARSER_WRITETO(X, Y) else if (strncmp(Y, buffer, len) == 0) writeTo = &X; - APT_PARSER_WRITETO(FileI->Archive, "Suite") - APT_PARSER_WRITETO(FileI->Component, "Component") - APT_PARSER_WRITETO(FileI->Version, "Version") - APT_PARSER_WRITETO(FileI->Origin, "Origin") - APT_PARSER_WRITETO(FileI->Codename, "Codename") - APT_PARSER_WRITETO(FileI->Label, "Label") + #define APT_PARSER_WRITETO(X) else if (strncmp(#X, buffer, len) == 0) writeTo = X; + APT_PARSER_WRITETO(Suite) + APT_PARSER_WRITETO(Component) + APT_PARSER_WRITETO(Version) + APT_PARSER_WRITETO(Origin) + APT_PARSER_WRITETO(Codename) + APT_PARSER_WRITETO(Label) #undef APT_PARSER_WRITETO #define APT_PARSER_FLAGIT(X) else if (strncmp(#X, buffer, len) == 0) \ - pkgTagSection::FindFlag(FileI->Flags, pkgCache::Flag:: X, dataStart, dataEnd-1); + pkgTagSection::FindFlag(FileI->Flags, pkgCache::Flag:: X, dataStart, lineEnd); APT_PARSER_FLAGIT(NotAutomatic) APT_PARSER_FLAGIT(ButAutomaticUpgrades) #undef APT_PARSER_FLAGIT // load all data from the line and save it string data; - if (writeTo != NULL) + if (writeTo != None) data.append(dataStart, dataEnd); if (sizeof(buffer) - 1 == (dataEnd - buffer)) { while (fgets(buffer, sizeof(buffer), release) != NULL) { - if (writeTo != NULL) + if (writeTo != None) data.append(buffer); if (strlen(buffer) != sizeof(buffer) - 1) break; } } - if (writeTo != NULL) + if (writeTo != None) { // remove spaces and stuff from the end of the data line for (std::string::reverse_iterator s = data.rbegin(); @@ -840,7 +854,15 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI, break; *s = '\0'; } - *writeTo = WriteUniqString(data); + switch (writeTo) { + case Suite: FileI->Archive = WriteUniqString(data); break; + case Component: FileI->Component = WriteUniqString(data); break; + case Version: FileI->Version = WriteUniqString(data); break; + case Origin: FileI->Origin = WriteUniqString(data); break; + case Codename: FileI->Codename = WriteUniqString(data); break; + case Label: FileI->Label = WriteUniqString(data); break; + case None: break; + } } } fclose(release);