diff options
Diffstat (limited to 'lib/libalpm/signing.c')
| -rw-r--r-- | lib/libalpm/signing.c | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/lib/libalpm/signing.c b/lib/libalpm/signing.c index ecb81c9c..0434d996 100644 --- a/lib/libalpm/signing.c +++ b/lib/libalpm/signing.c @@ -204,6 +204,51 @@ error: } /** + * Load the signature from the given path into the provided struct. + * @param sigfile the signature to attempt to load + * @param pgpsig the struct to place the data in + * + * @return 0 on success, 1 on file not found, -1 on error + */ +int _alpm_load_signature(const char *sigfile, pmpgpsig_t *pgpsig) { + struct stat st; + + if(access(sigfile, R_OK) == 0 && stat(sigfile, &st) == 0) { + FILE *f; + size_t bytes_read; + + if(st.st_size > 4096) { + return -1; + } + + if((f = fopen(sigfile, "rb")) == NULL) { + return -1; + } + CALLOC(pgpsig->rawdata, st.st_size, sizeof(unsigned char), + RET_ERR(PM_ERR_MEMORY, -1)); + bytes_read = fread(pgpsig->rawdata, sizeof(char), st.st_size, f); + if(bytes_read == (size_t)st.st_size) { + pgpsig->rawlen = bytes_read; + _alpm_log(PM_LOG_DEBUG, "loaded gpg signature file, location %s\n", + sigfile); + } else { + _alpm_log(PM_LOG_WARNING, _("Failed reading PGP signature file %s"), + sigfile); + FREE(pgpsig->rawdata); + return -1; + } + + fclose(f); + } else { + _alpm_log(PM_LOG_DEBUG, "signature file %s not found\n", sigfile); + /* not fatal...we return a different error code here */ + return 1; + } + + return 0; +} + +/** * Check the PGP package signature for the given package file. * @param pkg the package to check * @return a int value : 0 (valid), 1 (invalid), -1 (an error occured) @@ -227,8 +272,8 @@ int SYMEXPORT alpm_db_check_pgp_signature(pmdb_t *db) ALPM_LOG_FUNC; ASSERT(db != NULL, return(0)); - return(_alpm_gpgme_checksig(_alpm_db_path(db), - _alpm_db_pgpsig(db))); + return _alpm_gpgme_checksig(_alpm_db_path(db), + _alpm_db_pgpsig(db)); } |