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-rw-r--r--apt-pkg/contrib/fileutl.cc20
-rw-r--r--apt-pkg/contrib/fileutl.h5
-rw-r--r--apt-pkg/contrib/strutl.cc5
3 files changed, 28 insertions, 2 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 90e49cbfa..4c224337e 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -852,6 +852,26 @@ bool ExecWait(pid_t Pid,const char *Name,bool Reap)
}
/*}}}*/
+// StartsWithGPGClearTextSignature - Check if a file is Pgp/GPG clearsigned /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool StartsWithGPGClearTextSignature(string const &FileName)
+{
+ static const char* SIGMSG = "-----BEGIN PGP SIGNED MESSAGE-----\n";
+ char buffer[strlen(SIGMSG)+1];
+ FILE* gpg = fopen(FileName.c_str(), "r");
+ if (gpg == NULL)
+ return false;
+
+ char const * const test = fgets(buffer, sizeof(buffer), gpg);
+ fclose(gpg);
+ if (test == NULL || strcmp(buffer, SIGMSG) != 0)
+ return false;
+
+ return true;
+}
+
+
// FileFd::Open - Open a file /*{{{*/
// ---------------------------------------------------------------------
/* The most commonly used open mode combinations are given with Mode */
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index 426664d3a..510b1c984 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -180,6 +180,9 @@ bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0);
pid_t ExecFork();
bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
+// check if the given file starts with a PGP cleartext signature
+bool StartsWithGPGClearTextSignature(std::string const &FileName);
+
// File string manipulators
std::string flNotDir(std::string File);
std::string flNotFile(std::string File);
@@ -187,4 +190,6 @@ std::string flNoLink(std::string File);
std::string flExtension(std::string File);
std::string flCombine(std::string Dir,std::string File);
+
+
#endif
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index ca096d736..df11a80ad 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -752,7 +752,8 @@ bool ReadMessages(int Fd, vector<string> &List)
// Look for the end of the message
for (char *I = Buffer; I + 1 < End; I++)
{
- if (I[0] != '\n' || I[1] != '\n')
+ if (I[1] != '\n' ||
+ (strncmp(I, "\n\n", 2) != 0 && strncmp(I, "\r\n\r\n", 4) != 0))
continue;
// Pull the message out
@@ -760,7 +761,7 @@ bool ReadMessages(int Fd, vector<string> &List)
PartialMessage += Message;
// Fix up the buffer
- for (; I < End && *I == '\n'; I++);
+ for (; I < End && (*I == '\r' || *I == '\n'); ++I);
End -= I-Buffer;
memmove(Buffer,I,End-Buffer);
I = Buffer;