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authorMichael Vogt <michael.vogt@ubuntu.com>2012-09-04 14:15:17 +0200
committerMichael Vogt <michael.vogt@ubuntu.com>2012-09-04 14:15:17 +0200
commit2c76d72d412c1d7a2e615cd036f0730faa81dff7 (patch)
tree56d6ed27e80770557d9d1f60f98fee00f25129a1 /apt-pkg/contrib/fileutl.cc
parent1efc8dbc3932d557880e37603be9a39a73a4d493 (diff)
parentfe5804fc5010dd8f2e9406187bfc1f6afeb29c5a (diff)
merged from lp:~donkult/apt/experimental
Diffstat (limited to 'apt-pkg/contrib/fileutl.cc')
-rw-r--r--apt-pkg/contrib/fileutl.cc20
1 files changed, 20 insertions, 0 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 */