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authorTimo Teras <timo.teras@iki.fi>2009-01-14 19:48:30 +0200
committerTimo Teras <timo.teras@iki.fi>2009-01-14 19:48:30 +0200
commit2cfde12c8933c166feda81e52d6c091d2c7c5748 (patch)
tree3b302be3033c567f6e275131cc628720699c7e08 /src/audit.c
parent15b547c55b2045e68f9f48f7d929d47b300dc3a9 (diff)
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audit: new command to check changed files
Currently only implement --backup to get list of (config) files in protected directories to backup. This also fixes a database corruption bug in database.c.
Diffstat (limited to 'src/audit.c')
-rw-r--r--src/audit.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/src/audit.c b/src/audit.c
new file mode 100644
index 0000000..f04b14a
--- /dev/null
+++ b/src/audit.c
@@ -0,0 +1,146 @@
+/* audit.c - Alpine Package Keeper (APK)
+ *
+ * Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
+ * Copyright (C) 2008 Timo Teräs <timo.teras@iki.fi>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation. See http://www.gnu.org/ for details.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include "apk_applet.h"
+#include "apk_database.h"
+
+struct audit_ctx {
+ int (*action)(struct apk_database *db);
+};
+
+static int audit_directory(apk_hash_item item, void *ctx)
+{
+ struct apk_db_dir *dbd = (struct apk_db_dir *) item;
+ struct apk_db_file *dbf;
+ struct apk_database *db = (struct apk_database *) ctx;
+ struct dirent *de;
+ struct stat st;
+ struct apk_bstream *bs;
+ char tmp[512], reason;
+ DIR *dir;
+ apk_blob_t bdir = APK_BLOB_STR(dbd->dirname);
+ csum_t csum;
+
+ if (!(dbd->flags & APK_DBDIRF_PROTECTED))
+ return 0;
+
+ dir = opendir(dbd->dirname);
+ if (dir == NULL)
+ return 0;
+
+ while ((de = readdir(dir)) != NULL) {
+ if (strcmp(de->d_name, ".") == 0 ||
+ strcmp(de->d_name, "..") == 0)
+ continue;
+
+ snprintf(tmp, sizeof(tmp), "%s/%s",
+ dbd->dirname, de->d_name);
+
+ if (stat(tmp, &st) < 0)
+ continue;
+
+ if (S_ISDIR(st.st_mode)) {
+ if (apk_db_dir_query(db, APK_BLOB_STR(tmp)) != NULL)
+ continue;
+
+ reason = 'D';
+ } else {
+ dbf = apk_db_file_query(db, bdir, APK_BLOB_STR(de->d_name));
+ if (dbf != NULL) {
+ bs = apk_bstream_from_file(tmp);
+ if (bs == NULL)
+ continue;
+
+ bs->close(bs, csum, NULL);
+
+ if (apk_blob_compare(APK_BLOB_BUF(csum),
+ APK_BLOB_BUF(dbf->csum)) == 0)
+ continue;
+
+ reason = 'M';
+ } else {
+ reason = 'F';
+ }
+ }
+ if (apk_quiet)
+ printf("%s\n", tmp);
+ else
+ printf("%c %s\n", reason, tmp);
+ }
+
+ closedir(dir);
+ return 0;
+}
+
+static int audit_backup(struct apk_database *db)
+{
+ fchdir(db->root_fd);
+ return apk_hash_foreach(&db->installed.dirs, audit_directory, db);
+}
+
+static int audit_parse(void *ctx, int optch, int optindex, const char *optarg)
+{
+ struct audit_ctx *actx = (struct audit_ctx *) ctx;
+
+ switch (optch) {
+ case 0x10000:
+ actx->action = audit_backup;
+ break;
+ default:
+ return -1;
+ }
+ return 0;
+}
+
+static int audit_main(void *ctx, int argc, char **argv)
+{
+ struct audit_ctx *actx = (struct audit_ctx *) ctx;
+ struct apk_database db;
+ int r;
+
+ if (actx->action == NULL) {
+ apk_error("No audit action requested");
+ return 2;
+ }
+
+ r = apk_db_open(&db, apk_root);
+ if (r != 0) {
+ apk_error("APK database not present");
+ return 1;
+ }
+
+ r = actx->action(&db);
+
+ apk_db_close(&db);
+ return r;
+}
+
+static struct option audit_options[] = {
+ { "backup", no_argument, NULL, 0x10000 },
+};
+
+static struct apk_applet apk_audit = {
+ .name = "audit",
+ .usage = "--backup",
+ .context_size = sizeof(struct audit_ctx),
+ .num_options = ARRAY_SIZE(audit_options),
+ .options = audit_options,
+ .parse = audit_parse,
+ .main = audit_main,
+};
+
+APK_DEFINE_APPLET(apk_audit);
+