- const char *Start;
- const char *Stop;
- if (Section.Find("Suite",Start,Stop) == true)
- FileI->Archive = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Component",Start,Stop) == true)
- FileI->Component = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Version",Start,Stop) == true)
- FileI->Version = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Origin",Start,Stop) == true)
- FileI->Origin = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Label",Start,Stop) == true)
- FileI->Label = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Architecture",Start,Stop) == true)
- FileI->Architecture = WriteUniqString(Start,Stop - Start);
-
- if (Section.FindFlag("NotAutomatic",FileI->Flags,
- pkgCache::Flag::NotAutomatic) == false)
- _error->Warning("Bad NotAutomatic flag");
+ FILE* release = fdopen(dup(File.Fd()), "r");
+ if (release == NULL)
+ return false;
+
+ char buffer[101];
+ bool gpgClose = false;
+ while (fgets(buffer, sizeof(buffer), release) != NULL)
+ {
+ size_t len = 0;
+
+ // Skip empty lines
+ for (; buffer[len] == '\r' && buffer[len] == '\n'; ++len)
+ /* nothing */
+ ;
+ if (buffer[len] == '\0')
+ continue;
+
+ // only evalute the first GPG section
+ if (strncmp("-----", buffer, 5) == 0)
+ {
+ if (gpgClose == true)
+ break;
+ gpgClose = true;
+ continue;
+ }
+
+ // seperate the tag from the data
+ const char* dataStart = strchr(buffer + len, ':');
+ if (dataStart == NULL)
+ continue;
+ 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
+ enum { Suite, Component, Version, Origin, Codename, Label, None } writeTo = None;
+ if (buffer[0] == ' ')
+ ;
+ #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, 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 != None)
+ data.append(dataStart, dataEnd);
+ if (sizeof(buffer) - 1 == (dataEnd - buffer))
+ {
+ while (fgets(buffer, sizeof(buffer), release) != NULL)
+ {
+ if (writeTo != None)
+ data.append(buffer);
+ if (strlen(buffer) != sizeof(buffer) - 1)
+ break;
+ }
+ }
+ if (writeTo != None)
+ {
+ // remove spaces and stuff from the end of the data line
+ for (std::string::reverse_iterator s = data.rbegin();
+ s != data.rend(); ++s)
+ {
+ if (*s != '\r' && *s != '\n' && *s != ' ')
+ break;
+ *s = '\0';
+ }
+ 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);