diff options
Diffstat (limited to 'src/tools/tools_util.c')
| -rw-r--r-- | src/tools/tools_util.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/tools/tools_util.c b/src/tools/tools_util.c index 406077c88..e87d8e8f0 100644 --- a/src/tools/tools_util.c +++ b/src/tools/tools_util.c @@ -35,7 +35,6 @@ #include "db/sysdb.h" #include "tools/tools_util.h" #include "tools/sss_sync_ops.h" -#include "util/mmap_cache.h" static int setup_db(struct tools_ctx *ctx) { @@ -673,163 +672,3 @@ errno_t signal_sssd(int signum) return EOK; } - -static errno_t sss_mc_set_recycled(int fd) -{ - uint32_t w = SSS_MC_HEADER_RECYCLED; - struct sss_mc_header h; - off_t offset; - off_t pos; - int ret; - - - offset = MC_PTR_DIFF(&h.status, &h); - - pos = lseek(fd, offset, SEEK_SET); - if (pos == -1) { - /* What do we do now ? */ - return errno; - } - - errno = 0; - ret = sss_atomic_write_s(fd, (uint8_t *)&w, sizeof(h.status)); - if (ret == -1) { - return errno; - } - - if (ret != sizeof(h.status)) { - /* Write error */ - return EIO; - } - - return EOK; -} - -errno_t sss_memcache_invalidate(const char *mc_filename) -{ - int mc_fd = -1; - errno_t ret; - errno_t pret; - useconds_t t = 50000; - int retries = 2; - - if (!mc_filename) { - return EINVAL; - } - - mc_fd = open(mc_filename, O_RDWR); - if (mc_fd == -1) { - ret = errno; - if (ret == ENOENT) { - DEBUG(SSSDBG_TRACE_FUNC,("Memory cache file %s " - "does not exist.\n", mc_filename)); - return EOK; - } else { - DEBUG(SSSDBG_CRIT_FAILURE, ("Unable to open file %s: %s\n", - mc_filename, strerror(ret))); - return ret; - } - } - - ret = sss_br_lock_file(mc_fd, 0, 1, retries, t); - if (ret == EACCES) { - DEBUG(SSSDBG_TRACE_FUNC, - ("File %s already locked by someone else.\n", mc_filename)); - goto done; - } else if (ret != EOK) { - DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to lock file %s.\n", mc_filename)); - goto done; - } - /* Mark the mc file as recycled. */ - ret = sss_mc_set_recycled(mc_fd); - if (ret != EOK) { - DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to mark memory cache file %s " - "as recycled.\n", mc_filename)); - goto done; - } - - ret = EOK; -done: - if (mc_fd != -1) { - /* Closing the file also releases the lock */ - close(mc_fd); - - /* Only unlink the file if invalidation was succesful */ - if (ret == EOK) { - pret = unlink(mc_filename); - if (pret == -1) { - DEBUG(SSSDBG_MINOR_FAILURE, - ("Failed to unlink file %s. " - "Will be unlinked later by sssd_nss.\n")); - } - } - } - return ret; -} - -static int clear_fastcache(bool *sssd_nss_is_off) -{ - int ret; - ret = sss_memcache_invalidate(SSS_NSS_MCACHE_DIR"/passwd"); - if (ret != EOK) { - if (ret == EACCES) { - *sssd_nss_is_off = false; - return EOK; - } else { - return ret; - } - } - - ret = sss_memcache_invalidate(SSS_NSS_MCACHE_DIR"/group"); - if (ret != EOK) { - if (ret == EACCES) { - *sssd_nss_is_off = false; - return EOK; - } else { - return ret; - } - } - - *sssd_nss_is_off = true; - return EOK; -} - -errno_t sss_memcache_clear_all(void) -{ - errno_t ret; - bool sssd_nss_is_off = false; - FILE *clear_mc_flag; - - ret = clear_fastcache(&sssd_nss_is_off); - if (ret != EOK) { - DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to clear caches.\n")); - return EIO; - } - if (!sssd_nss_is_off) { - /* sssd_nss is running -> signal monitor to invalidate fastcache */ - clear_mc_flag = fopen(SSS_NSS_MCACHE_DIR"/"CLEAR_MC_FLAG, "w"); - if (clear_mc_flag == NULL) { - DEBUG(SSSDBG_CRIT_FAILURE, - ("Failed to create clear_mc_flag file. " - "Memory cache will not be cleared.\n")); - return EIO; - } - ret = fclose(clear_mc_flag); - if (ret != 0) { - ret = errno; - DEBUG(SSSDBG_CRIT_FAILURE, - ("Unable to close file descriptor: %s\n", - strerror(ret))); - return EIO; - } - DEBUG(SSSDBG_TRACE_FUNC, ("Sending SIGHUP to monitor.\n")); - ret = signal_sssd(SIGHUP); - if (ret != EOK) { - DEBUG(SSSDBG_CRIT_FAILURE, - ("Failed to send SIGHUP to monitor.\n")); - return EIO; - } - } - - return EOK; -} |