Module: kamailio Branch: master Commit: 0dbf08635a4b2f6e544c26da0a7f542f1863939b URL: https://github.com/kamailio/kamailio/commit/0dbf08635a4b2f6e544c26da0a7f542… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2020-01-29T10:45:28+01:00 htable: safety check for item name value --- Modified: src/modules/htable/ht_api.c --- Diff: https://github.com/kamailio/kamailio/commit/0dbf08635a4b2f6e544c26da0a7f542… Patch: https://github.com/kamailio/kamailio/commit/0dbf08635a4b2f6e544c26da0a7f542… --- diff --git a/src/modules/htable/ht_api.c b/src/modules/htable/ht_api.c index 4812e8aacd..7bade571c3 100644 --- a/src/modules/htable/ht_api.c +++ b/src/modules/htable/ht_api.c @@ -237,6 +237,10 @@ ht_t* ht_get_table(str *name) unsigned int htid; ht_t *ht; + if(name==NULL || name->s==NULL) { + LM_WARN("invalid name parameter\n"); + return NULL; + } htid = ht_compute_hash(name); /* does it exist */ @@ -263,6 +267,10 @@ int ht_add_table(str *name, int autoexp, str *dbtable, str *dbcols, int size, int c; int i; + if(name==NULL || name->s==NULL) { + LM_WARN("invalid name parameter\n"); + return -1; + } htid = ht_compute_hash(name); /* does it exist */ @@ -463,8 +471,14 @@ int ht_set_cell_ex(ht_t *ht, str *name, int type, int_str *val, int mode, ht_cell_t *it, *prev, *cell; time_t now; - if(ht==NULL || ht->entries==NULL) + if(ht==NULL || ht->entries==NULL) { + LM_WARN("invalid ht parameter\n"); return -1; + } + if(name==NULL || name->s==NULL) { + LM_WARN("invalid name parameter\n"); + return -1; + } hid = ht_compute_hash(name); @@ -639,6 +653,10 @@ int ht_del_cell(ht_t *ht, str *name) if(ht==NULL || ht->entries==NULL) return -1; + if(name==NULL || name->s==NULL) { + LM_WARN("invalid name parameter\n"); + return -1; + } hid = ht_compute_hash(name); idx = ht_get_entry(hid, ht->htsize); @@ -685,6 +703,10 @@ ht_cell_t* ht_cell_value_add(ht_t *ht, str *name, int val, ht_cell_t *old) if(ht==NULL || ht->entries==NULL) return NULL; + if(name==NULL || name->s==NULL) { + LM_WARN("invalid name parameter\n"); + return NULL; + } hid = ht_compute_hash(name); idx = ht_get_entry(hid, ht->htsize); @@ -807,6 +829,10 @@ ht_cell_t* ht_cell_pkg_copy(ht_t *ht, str *name, ht_cell_t *old) if(ht==NULL || ht->entries==NULL) return NULL; + if(name==NULL || name->s==NULL) { + LM_WARN("invalid name parameter\n"); + return NULL; + } hid = ht_compute_hash(name); idx = ht_get_entry(hid, ht->htsize); @@ -860,6 +886,10 @@ int ht_cell_exists(ht_t *ht, str *name) if(ht==NULL || ht->entries==NULL) return 0; + if(name==NULL || name->s==NULL) { + LM_WARN("invalid name parameter\n"); + return -1; + } hid = ht_compute_hash(name); idx = ht_get_entry(hid, ht->htsize); @@ -1197,6 +1227,10 @@ int ht_set_cell_expire(ht_t *ht, str *name, int type, int_str *val) if(ht->htexpire==0) return 0; + if(name==NULL || name->s==NULL) { + LM_WARN("invalid name parameter\n"); + return -1; + } hid = ht_compute_hash(name); idx = ht_get_entry(hid, ht->htsize); @@ -1242,6 +1276,10 @@ int ht_get_cell_expire(ht_t *ht, str *name, unsigned int *val) if(ht->htexpire==0) return 0; + if(name==NULL || name->s==NULL) { + LM_WARN("invalid name parameter\n"); + return -1; + } hid = ht_compute_hash(name); idx = ht_get_entry(hid, ht->htsize);