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audit: protection mask for "symlinks only" 

and use it for /etc/init.d by default. fixes #99.
cute-signatures
Timo Teras 2009-07-30 10:42:20 +03:00
parent 60c668f1dc
commit 5b48b85560
4 changed files with 27 additions and 7 deletions
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1
src/apk_database.h
View File

@ -37,6 +37,7 @@ struct apk_db_file {
};
#define APK_DBDIRF_PROTECTED 0x0001
#define APK_DBDIRF_SYMLINKS_ONLY 0x0002
struct apk_db_dir {
apk_hash_node hash_node;

5
src/audit.c
View File

@ -56,6 +56,11 @@ static int audit_directory(apk_hash_item item, void *ctx)
if (apk_file_get_info(tmp, APK_CHECKSUM_NONE, &fi) < 0)
continue;
if (!(actx->type & AUDIT_SYSTEM) &&
(dbd->flags & APK_DBDIRF_SYMLINKS_ONLY) &&
!S_ISLNK(fi.mode))
continue;
if (S_ISDIR(fi.mode)) {
if (apk_db_dir_query(db, APK_BLOB_STR(tmp)) != NULL)
continue;

26
src/database.c
View File

@ -235,11 +235,25 @@ static struct apk_db_dir *apk_db_dir_get(struct apk_database *db,
dir->flags = dir->parent->flags;
for (i = 0; i < db->protected_paths->num; i++) {
if (db->protected_paths->item[i][0] == '-' &&
strcmp(&db->protected_paths->item[i][1], dir->name) == 0)
dir->flags &= ~APK_DBDIRF_PROTECTED;
else if (strcmp(db->protected_paths->item[i], dir->name) == 0)
dir->flags |= APK_DBDIRF_PROTECTED;
int flags = dir->flags, j;
flags |= APK_DBDIRF_PROTECTED;
for (j = 0; ; j++) {
switch (db->protected_paths->item[i][j]) {
case '-':
flags &= ~(APK_DBDIRF_PROTECTED |
APK_DBDIRF_SYMLINKS_ONLY);
continue;
case '*':
flags |= APK_DBDIRF_SYMLINKS_ONLY |
APK_DBDIRF_PROTECTED;
continue;
}
break;
}
if (strcmp(&db->protected_paths->item[i][j], dir->name) == 0)
dir->flags = flags;
}
return dir;
@ -895,7 +909,7 @@ int apk_db_open(struct apk_database *db, const char *root, unsigned int flags)
}
}
blob = APK_BLOB_STR("etc:-etc/init.d");
blob = APK_BLOB_STR("etc:*etc/init.d");
apk_blob_for_each_segment(blob, ":", add_protected_path, db);
if (root != NULL) {

2
src/io.c
View File

@ -468,7 +468,7 @@ int apk_file_get_info(const char *filename, int checksum, struct apk_file_info *
struct stat st;
struct apk_bstream *bs;
if (stat(filename, &st) != 0)
if (lstat(filename, &st) != 0)
return -errno;
*fi = (struct apk_file_info) {