From b97f1ce68a512cb0da71ee1de9ddaa49dd466068 Mon Sep 17 00:00:00 2001 From: Jeremy Allison Date: Tue, 25 Jan 2011 14:01:52 -0800 Subject: Add name_hash into the share mode entry struct (as yet only use for renames to identify a specific path). --- source3/libsmb/smb_share_modes.c | 36 ++++++++++++++++++++++++++++++++---- 1 file changed, 32 insertions(+), 4 deletions(-) (limited to 'source3/libsmb/smb_share_modes.c') diff --git a/source3/libsmb/smb_share_modes.c b/source3/libsmb/smb_share_modes.c index 9f985501b6..2eda7a499f 100644 --- a/source3/libsmb/smb_share_modes.c +++ b/source3/libsmb/smb_share_modes.c @@ -155,7 +155,8 @@ static int share_mode_entry_equal(const struct smb_share_mode_entry *e_entry, */ static void create_share_mode_entry(struct share_mode_entry *out, - const struct smb_share_mode_entry *in) + const struct smb_share_mode_entry *in, + uint32_t name_hash) { memset(out, '\0', sizeof(struct share_mode_entry)); @@ -170,6 +171,7 @@ static void create_share_mode_entry(struct share_mode_entry *out, out->id.extid = in->extid; out->uid = (uint32)geteuid(); out->flags = 0; + out->name_hash = name_hash; } /* @@ -261,6 +263,26 @@ int smb_get_share_mode_entries(struct smbdb_ctx *db_ctx, return list_num; } +static uint32_t smb_name_hash(const char *sharepath, const char *filename, int *err) +{ + TDB_DATA key; + char *fullpath = NULL; + int ret; + uint32_t name_hash; + + *err = 0; + ret = asprintf(&fullpath, "%s/%s", sharepath, filename); + if (ret == -1 || fullpath == NULL) { + *err = 1; + return 0; + } + key.dptr = (uint8_t *)fullpath; + key.dsize = strlen(fullpath); + name_hash = tdb_jenkins_hash(&key); + free(fullpath); + return name_hash; +} + /* * Create an entry in the Samba share mode db. */ @@ -281,6 +303,12 @@ int smb_create_share_mode_entry_ex(struct smbdb_ctx *db_ctx, struct share_mode_entry *shares = NULL; uint8 *new_data_p = NULL; size_t new_data_size = 0; + int err = 0; + uint32_t name_hash = smb_name_hash(sharepath, filename, &err); + + if (err) { + return -1; + } db_data = tdb_fetch(db_ctx->smb_tdb, locking_key); if (!db_data.dptr) { @@ -299,7 +327,7 @@ int smb_create_share_mode_entry_ex(struct smbdb_ctx *db_ctx, ld->u.s.delete_on_close = 0; ld->u.s.delete_token_size = 0; shares = (struct share_mode_entry *)(db_data.dptr + sizeof(struct locking_data)); - create_share_mode_entry(shares, new_entry); + create_share_mode_entry(shares, new_entry, name_hash); memcpy(db_data.dptr + sizeof(struct locking_data) + sizeof(struct share_mode_entry), sharepath, @@ -338,7 +366,7 @@ int smb_create_share_mode_entry_ex(struct smbdb_ctx *db_ctx, shares = (struct share_mode_entry *)(new_data_p + sizeof(struct locking_data) + (orig_num_share_modes * sizeof(struct share_mode_entry))); - create_share_mode_entry(shares, new_entry); + create_share_mode_entry(shares, new_entry, name_hash); ld = (struct locking_data *)new_data_p; ld->u.s.num_share_mode_entries++; @@ -521,7 +549,7 @@ int smb_change_share_mode_entry(struct smbdb_ctx *db_ctx, } if (share_mode_entry_equal(set_entry, share)) { - create_share_mode_entry(share, new_entry); + create_share_mode_entry(share, new_entry, share->name_hash); found_entry = 1; break; } -- cgit