diff options
Diffstat (limited to 'lib/libalpm/package.c')
| -rw-r--r-- | lib/libalpm/package.c | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/lib/libalpm/package.c b/lib/libalpm/package.c index 84db3719..4c78fdaf 100644 --- a/lib/libalpm/package.c +++ b/lib/libalpm/package.c @@ -237,7 +237,7 @@ static int parse_descfile(char *descfile, pmpkg_t *info, int output) pmpkg_t *_alpm_pkg_load(char *pkgfile) { char *expath; - int i; + int ret = ARCHIVE_OK; int config = 0; int filelist = 0; int scriptcheck = 0; @@ -254,32 +254,36 @@ pmpkg_t *_alpm_pkg_load(char *pkgfile) RET_ERR(PM_ERR_WRONG_ARGS, NULL); } - if ((archive = archive_read_new ()) == NULL) + if((archive = archive_read_new()) == NULL) { RET_ERR(PM_ERR_LIBARCHIVE_ERROR, NULL); + } - archive_read_support_compression_all (archive); - archive_read_support_format_all (archive); + archive_read_support_compression_all(archive); + archive_read_support_format_all(archive); - if (archive_read_open_file (archive, pkgfile, ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK) + if (archive_read_open_file(archive, pkgfile, ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK) { RET_ERR(PM_ERR_PKG_OPEN, NULL); + } info = _alpm_pkg_new(NULL, NULL); if(info == NULL) { - archive_read_finish (archive); + archive_read_finish(archive); RET_ERR(PM_ERR_MEMORY, NULL); } /* TODO there is no reason to make temp files to read * from a libarchive archive, it can be done by reading - * directly from the archive */ - for(i = 0; archive_read_next_header (archive, &entry) == ARCHIVE_OK; i++) { + * directly from the archive + * See: archive_read_data_into_buffer + * requires changes 'parse_descfile' as well + * */ + + /* Read through the entire archive for metadata. We will continue reading + * even if all metadata is found, to verify the integrity of the archive in + * full */ + while((ret = archive_read_next_header (archive, &entry)) == ARCHIVE_OK) { const char *entry_name = archive_entry_pathname(entry); - if(config && filelist && scriptcheck) { - /* we have everything we need */ - break; - } - if(strcmp(entry_name, ".PKGINFO") == 0) { /* extract this file into /tmp. it has info for us */ descfile = strdup("/tmp/alpm_XXXXXX"); @@ -343,18 +347,25 @@ pmpkg_t *_alpm_pkg_load(char *pkgfile) } if(archive_read_data_skip(archive)) { - _alpm_log(PM_LOG_ERROR, _("bad package file in %s"), pkgfile); + _alpm_log(PM_LOG_ERROR, _("error while reading package: %s"), archive_error_string(archive)); + pm_errno = PM_ERR_LIBARCHIVE_ERROR; goto error; } expath = NULL; } - archive_read_finish(archive); + if(ret != ARCHIVE_EOF) { /* An error occured */ + _alpm_log(PM_LOG_ERROR, _("error while reading package: %s"), archive_error_string(archive)); + pm_errno = PM_ERR_LIBARCHIVE_ERROR; + goto error; + } if(!config) { - _alpm_log(PM_LOG_ERROR, _("missing package info file in %s"), pkgfile); + _alpm_log(PM_LOG_ERROR, _("missing package metadata"), pkgfile); goto error; } + archive_read_finish(archive); + if(!filelist) { _alpm_log(PM_LOG_ERROR, _("missing package filelist in %s, generating one"), pkgfile); info->files = all_files; |