diff options
author | Sean Bright <sean.bright@gmail.com> | 2017-02-20 06:45:54 -0500 |
---|---|---|
committer | Sean Bright <sean.bright@gmail.com> | 2017-02-20 06:45:54 -0500 |
commit | 011b7be62a0c64cee904a996d23ad65c13022e39 (patch) | |
tree | e09170045bd5bcfa78f78652913f3448e2acbfad /res | |
parent | b2836dde7ef9f1c14ccd721f2d94ec8f3683433b (diff) |
res_config_ldap: Make memory allocation more consistent
The code in update_ldap() and update2_ldap() was using both Asterisk's
memory allocation routines as well as OpenLDAP's. I've changed it so
that everything that is passed to OpenLDAP's functions are allocated
with their routines.
Change-Id: Iafec9c1fd8ea49ccc496d6316769a6a426daa804
Diffstat (limited to 'res')
-rw-r--r-- | res/res_config_ldap.c | 97 |
1 files changed, 39 insertions, 58 deletions
diff --git a/res/res_config_ldap.c b/res/res_config_ldap.c index 9d34e5709..224467722 100644 --- a/res/res_config_ldap.c +++ b/res/res_config_ldap.c @@ -124,7 +124,7 @@ static struct ldap_table_config *table_config_new(const char *table_name) if (table_name) { if (!(p->table_name = ast_strdup(table_name))) { - free(p); + ast_free(p); return NULL; } } @@ -238,7 +238,7 @@ static void table_configs_free(void) if (c->attributes) { ast_variables_destroy(c->attributes); } - free(c); + ast_free(c); } base_table_config = NULL; @@ -424,7 +424,7 @@ static struct ast_variable **realtime_ldap_result_to_vars(struct ldap_table_conf * value in \a variable_value; otherwise, we keep \a vars static and increase the length of the linked list of variables in the array element. * This memory must be freed outside of this function. */ - vars = ast_calloc(sizeof(struct ast_variable *), tot_count + 1); + vars = ast_calloc(tot_count + 1, sizeof(struct ast_variable *)); ldap_entry = ldap_first_entry(ldapConn, ldap_result_msg); @@ -516,14 +516,14 @@ static struct ast_variable **realtime_ldap_result_to_vars(struct ldap_table_conf is_delimited = 0; pos = 0; } - free(delim_value); + ast_free(delim_value); delim_value = NULL; ast_debug(4, "LINE(%d) DELIM pos: %d i: %d\n", __LINE__, pos, i); } else { /* not delimited */ if (delim_value) { - free(delim_value); + ast_free(delim_value); delim_value = NULL; } ast_debug(2, "LINE(%d) attribute_name: %s value: %s\n", __LINE__, attribute_name, valptr); @@ -928,13 +928,8 @@ static struct ast_variable **realtime_ldap_base_ap(unsigned int *entries_count_p } } - if (filter) { - ast_free(filter); - } - - if (clean_basedn) { - ast_free(clean_basedn); - } + ast_free(filter); + ast_free(clean_basedn); ast_mutex_unlock(&ldap_lock); @@ -1007,7 +1002,7 @@ static struct ast_variable *realtime_ldap(const char *basedn, } p++; } - free(vars); + ast_free(vars); } return var; } @@ -1066,7 +1061,7 @@ static struct ast_config *realtime_multi_ldap(const char *basedn, p++; } } - free(vars); + ast_free(vars); } return cfg; @@ -1138,7 +1133,7 @@ static struct ast_config *config_ldap(const char *basedn, const char *table_name * first, and since the data could easily exceed stack size, this is * allocated from the heap. */ - if (!(categories = ast_calloc(sizeof(*categories), vars_count))) { + if (!(categories = ast_calloc(vars_count, sizeof(*categories)))) { return NULL; } @@ -1292,7 +1287,7 @@ static int update_ldap(const char *basedn, const char *table_name, const char *a } mods_size = 2; /* one for the first param/value pair and one for the the terminating NULL */ - ldap_mods = ldap_memcalloc(sizeof(LDAPMod *), mods_size); + ldap_mods = ldap_memcalloc(mods_size, sizeof(LDAPMod *)); ldap_mods[0] = ldap_memcalloc(1, sizeof(LDAPMod)); ldap_mods[0]->mod_type = ldap_strdup(newparam); @@ -1300,7 +1295,7 @@ static int update_ldap(const char *basedn, const char *table_name, const char *a ldap_mods[0]->mod_op = LDAP_MOD_DELETE; } else { ldap_mods[0]->mod_op = LDAP_MOD_REPLACE; - ldap_mods[0]->mod_values = ast_calloc(sizeof(char *), 2); + ldap_mods[0]->mod_values = ldap_memcalloc(2, sizeof(char *)); ldap_mods[0]->mod_values[0] = ldap_strdup(field->value); } @@ -1314,7 +1309,7 @@ static int update_ldap(const char *basedn, const char *table_name, const char *a ldap_mods[i]->mod_values[0] = ldap_memrealloc(ldap_mods[i]->mod_values[0], sizeof(char) * (strlen(ldap_mods[i]->mod_values[0]) + strlen(field->value) + 2)); strcat(ldap_mods[i]->mod_values[0], ";"); strcat(ldap_mods[i]->mod_values[0], field->value); - mod_exists = 1; + mod_exists = 1; break; } } @@ -1323,22 +1318,19 @@ static int update_ldap(const char *basedn, const char *table_name, const char *a if (!mod_exists) { mods_size++; ldap_mods = ldap_memrealloc(ldap_mods, sizeof(LDAPMod *) * mods_size); - ldap_mods[mods_size - 1] = NULL; - ldap_mods[mods_size - 2] = ldap_memcalloc(1, sizeof(LDAPMod)); - - ldap_mods[mods_size - 2]->mod_type = ldap_memcalloc(sizeof(char), strlen(newparam) + 1); - strcpy(ldap_mods[mods_size - 2]->mod_type, newparam); + ldap_mods[mods_size - 2]->mod_type = ldap_strdup(newparam); if (strlen(field->value) == 0) { ldap_mods[mods_size - 2]->mod_op = LDAP_MOD_DELETE; } else { ldap_mods[mods_size - 2]->mod_op = LDAP_MOD_REPLACE; - - ldap_mods[mods_size - 2]->mod_values = ldap_memcalloc(sizeof(char *), 2); - ldap_mods[mods_size - 2]->mod_values[0] = ldap_memcalloc(sizeof(char), strlen(field->value) + 1); - strcpy(ldap_mods[mods_size - 2]->mod_values[0], field->value); + ldap_mods[mods_size - 2]->mod_values = ldap_memcalloc(2, sizeof(char *)); + ldap_mods[mods_size - 2]->mod_values[0] = ldap_strdup(field->value); } + + /* NULL terminate */ + ldap_mods[mods_size - 1] = NULL; } } /* freeing ldap_mods further down */ @@ -1368,10 +1360,10 @@ static int update_ldap(const char *basedn, const char *table_name, const char *a ast_log(LOG_WARNING, "Query: %s\n", ast_str_buffer(filter)); ast_mutex_unlock(&ldap_lock); - free(filter); - free(clean_basedn); + ast_free(filter); + ast_free(clean_basedn); ldap_msgfree(ldap_result_msg); - ldap_mods_free(ldap_mods, 0); + ldap_mods_free(ldap_mods, 1); return -1; } /* Ready to update */ @@ -1401,7 +1393,7 @@ static int update_ldap(const char *basedn, const char *table_name, const char *a ast_free(filter); ast_free(clean_basedn); ldap_msgfree(ldap_result_msg); - ldap_mods_free(ldap_mods, 0); + ldap_mods_free(ldap_mods, 1); return num_entries; } @@ -1481,16 +1473,12 @@ static int update2_ldap(const char *basedn, const char *table_name, const struct } mods_size = 2; /* one for the first param/value pair and one for the the terminating NULL */ - ldap_mods = ast_calloc(sizeof(LDAPMod *), mods_size); - ldap_mods[0] = ast_calloc(1, sizeof(LDAPMod)); - + ldap_mods = ldap_memcalloc(mods_size, sizeof(LDAPMod *)); + ldap_mods[0] = ldap_memcalloc(1, sizeof(LDAPMod)); ldap_mods[0]->mod_op = LDAP_MOD_REPLACE; - ldap_mods[0]->mod_type = ast_calloc(sizeof(char), strlen(newparam) + 1); - strcpy(ldap_mods[0]->mod_type, newparam); - - ldap_mods[0]->mod_values = ast_calloc(sizeof(char), 2); - ldap_mods[0]->mod_values[0] = ast_calloc(sizeof(char), strlen(field->value) + 1); - strcpy(ldap_mods[0]->mod_values[0], field->value); + ldap_mods[0]->mod_type = ldap_strdup(newparam); + ldap_mods[0]->mod_values = ldap_memcalloc(2, sizeof(char *)); + ldap_mods[0]->mod_values[0] = ldap_strdup(field->value); while ((field = field->next)) { newparam = convert_attribute_name_to_ldap(table_config, field->name); @@ -1510,18 +1498,15 @@ static int update2_ldap(const char *basedn, const char *table_name, const struct /* create new mod */ if (!mod_exists) { mods_size++; - ldap_mods = ast_realloc(ldap_mods, sizeof(LDAPMod *) * mods_size); - ldap_mods[mods_size - 1] = NULL; - ldap_mods[mods_size - 2] = ast_calloc(1, sizeof(LDAPMod)); - + ldap_mods = ldap_memrealloc(ldap_mods, sizeof(LDAPMod *) * mods_size); + ldap_mods[mods_size - 2] = ldap_memcalloc(1, sizeof(LDAPMod)); ldap_mods[mods_size - 2]->mod_op = LDAP_MOD_REPLACE; + ldap_mods[mods_size - 2]->mod_type = ldap_strdup(newparam); + ldap_mods[mods_size - 2]->mod_values = ldap_memcalloc(2, sizeof(char *)); + ldap_mods[mods_size - 2]->mod_values[0] = ldap_strdup(field->value); - ldap_mods[mods_size - 2]->mod_type = ast_calloc(sizeof(char), strlen(newparam) + 1); - strcpy(ldap_mods[mods_size - 2]->mod_type, newparam); - - ldap_mods[mods_size - 2]->mod_values = ast_calloc(sizeof(char *), 2); - ldap_mods[mods_size - 2]->mod_values[0] = ast_calloc(sizeof(char), strlen(field->value) + 1); - strcpy(ldap_mods[mods_size - 2]->mod_values[0], field->value); + /* NULL terminate */ + ldap_mods[mods_size - 1] = NULL; } } /* freeing ldap_mods further down */ @@ -1555,7 +1540,7 @@ static int update2_ldap(const char *basedn, const char *table_name, const struct ast_free(filter); ast_free(clean_basedn); ldap_msgfree(ldap_result_msg); - ldap_mods_free(ldap_mods, 0); + ldap_mods_free(ldap_mods, 1); return -1; } /* Ready to update */ @@ -1577,14 +1562,10 @@ static int update2_ldap(const char *basedn, const char *table_name, const struct } ast_mutex_unlock(&ldap_lock); - if (filter) { - ast_free(filter); - } - if (clean_basedn) { - ast_free(clean_basedn); - } + ast_free(filter); + ast_free(clean_basedn); ldap_msgfree(ldap_result_msg); - ldap_mods_free(ldap_mods, 0); + ldap_mods_free(ldap_mods, 1); return num_entries; } |