From 7d27b2b0f425460be5074f50a4233c9db08fe72b Mon Sep 17 00:00:00 2001 From: Allan McRae Date: Mon, 7 May 2012 22:21:20 +1000 Subject: Check file types match before comparing properties Bail early in file validation checks if the file type given in the mtree file does not match that in the filesystem. Signed-off-by: Allan McRae --- src/pacman/check.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/pacman/check.c b/src/pacman/check.c index bdf34b42..d661775b 100644 --- a/src/pacman/check.c +++ b/src/pacman/check.c @@ -43,6 +43,27 @@ static int check_file_exists(const char *pkgname, const char * filepath, return 0; } +static int check_file_type(const char *pkgname, const char *filepath, + struct stat *st, struct archive_entry *entry) +{ + mode_t archive_type = archive_entry_filetype(entry); + mode_t file_type = st->st_mode; + + if((archive_type == AE_IFREG && !S_ISREG(file_type)) || + (archive_type == AE_IFDIR && !S_ISDIR(file_type)) || + (archive_type == AE_IFLNK && !S_ISLNK(file_type))) { + if(config->quiet) { + printf("%s %s\n", pkgname, filepath); + } else { + pm_printf(ALPM_LOG_WARNING, _("%s: %s (File type mismatch)\n"), + pkgname, filepath); + } + return 1; + } + + return 0; +} + static int check_file_permissions(const char *pkgname, const char *filepath, struct stat *st, struct archive_entry *entry) { @@ -97,7 +118,6 @@ static int check_file_time(const char *pkgname, const char *filepath, static int check_file_link(const char *pkgname, const char *filepath, struct stat *st, struct archive_entry *entry) { - /* TODO - fail early if file is not a symlink */ size_t length = st->st_size + 1; char link[length]; @@ -264,6 +284,11 @@ int check_pkg_full(alpm_pkg_t *pkg) continue; } + if(check_file_type(pkgname, filepath, &st, entry) == 1) { + errors++; + continue; + } + file_errors += check_file_permissions(pkgname, filepath, &st, entry); if(type != AE_IFDIR) { -- cgit v1.2.3-24-g4f1b