diff options
| -rw-r--r-- | apt-pkg/contrib/gpgv.cc | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/apt-pkg/contrib/gpgv.cc b/apt-pkg/contrib/gpgv.cc index 941f901e8..b68e5f172 100644 --- a/apt-pkg/contrib/gpgv.cc +++ b/apt-pkg/contrib/gpgv.cc @@ -244,6 +244,20 @@ void ExecGPGV(std::string const &File, std::string const &FileGPG, } /*}}}*/ // SplitClearSignedFile - split message into data/signature /*{{{*/ +static int GetLineErrno(char **lineptr, size_t *n, FILE *stream, std::string const &InFile) +{ + int result; + + errno = 0; + result = getline(lineptr, n, stream); + if (errno != 0) + { + _error->Errno("getline", "Could not read from %s", InFile.c_str()); + return -1; + } + + return result; +} bool SplitClearSignedFile(std::string const &InFile, FileFd * const ContentFile, std::vector<std::string> * const ContentHeader, FileFd * const SignatureFile) { @@ -259,7 +273,8 @@ bool SplitClearSignedFile(std::string const &InFile, FileFd * const ContentFile, char *buf = NULL; size_t buf_size = 0; - while (getline(&buf, &buf_size, in) != -1) + _error->PushToStack(); + while (GetLineErrno(&buf, &buf_size, in, InFile) != -1) { _strrstrip(buf); if (found_message_start == false) @@ -323,6 +338,12 @@ bool SplitClearSignedFile(std::string const &InFile, FileFd * const ContentFile, if (buf != NULL) free(buf); + // An error occured during reading - propagate it up + bool const hasErrored = _error->PendingError(); + _error->MergeWithStack(); + if (hasErrored) + return false; + if (found_signature == true) return _error->Error("Signature in file %s wasn't closed", InFile.c_str()); |