diff options
Diffstat (limited to 'source3/lib/gencache.c')
| -rw-r--r-- | source3/lib/gencache.c | 63 |
1 files changed, 60 insertions, 3 deletions
diff --git a/source3/lib/gencache.c b/source3/lib/gencache.c index 9ad85bbf55f..896bf50cbd7 100644 --- a/source3/lib/gencache.c +++ b/source3/lib/gencache.c @@ -29,10 +29,13 @@ #include "tdb_wrap/tdb_wrap.h" #include "zlib.h" #include "lib/util/strv.h" +#include "lib/util/util_paths.h" #undef DBGC_CLASS #define DBGC_CLASS DBGC_TDB +#define GENCACHE_USER_PATH "~/.cache/samba/gencache.tdb" + static struct tdb_wrap *cache; /** @@ -68,6 +71,7 @@ static bool gencache_init(void) { char* cache_fname = NULL; int open_flags = O_RDWR|O_CREAT; + int tdb_flags = TDB_INCOMPATIBLE_HASH|TDB_NOSYNC|TDB_MUTEX_LOCKING; int hash_size; /* skip file open if it's already opened */ @@ -85,10 +89,63 @@ static bool gencache_init(void) DEBUG(5, ("Opening cache file at %s\n", cache_fname)); cache = tdb_wrap_open(NULL, cache_fname, hash_size, - TDB_INCOMPATIBLE_HASH| - TDB_NOSYNC| - TDB_MUTEX_LOCKING, + tdb_flags, open_flags, 0644); + /* + * Allow client tools to create a gencache in the home directory + * as a normal user. + */ + if (cache == NULL && errno == EACCES && geteuid() != 0) { + char *cache_dname = NULL, *tmp = NULL; + bool ok; + + TALLOC_FREE(cache_fname); + + cache_fname = path_expand_tilde(talloc_tos(), + GENCACHE_USER_PATH); + if (cache_fname == NULL) { + DBG_ERR("Failed to expand path: %s\n", + GENCACHE_USER_PATH); + return false; + } + + tmp = talloc_strdup(talloc_tos(), cache_fname); + if (tmp == NULL) { + DBG_ERR("No memory!\n"); + TALLOC_FREE(cache_fname); + return false; + } + + cache_dname = dirname(tmp); + if (cache_dname == NULL) { + DBG_ERR("Invalid path: %s\n", cache_fname); + TALLOC_FREE(tmp); + TALLOC_FREE(cache_fname); + return false; + } + + ok = directory_create_or_exist(cache_dname, 0700); + if (!ok) { + DBG_ERR("Failed to create directory: %s - %s\n", + cache_dname, strerror(errno)); + TALLOC_FREE(tmp); + TALLOC_FREE(cache_fname); + return false; + } + TALLOC_FREE(tmp); + + cache = tdb_wrap_open(NULL, + cache_fname, + hash_size, + tdb_flags, + open_flags, + 0644); + if (cache != NULL) { + DBG_INFO("Opening user cache file %s.\n", + cache_fname); + } + } + if (cache == NULL) { DEBUG(5, ("Opening %s failed: %s\n", cache_fname, strerror(errno))); |