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Per listener psk_file.

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pull/746/merge
Roger A. Light 8 years ago
parent b2e1592376
commit fd7b08c0eb
4 changed files with 61 additions and 24 deletions
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13
src/conf.c
Unescape Escape View File

@ -195,8 +195,8 @@ static void config__init_reload(struct mosquitto__config *config)
mosquitto__free(config->persistence_file);
config->persistence_file = NULL;
config->persistent_client_expiration = 0;
mosquitto__free(config->psk_file);
config->psk_file = NULL;
mosquitto__free(config->security_options.psk_file);
config->security_options.psk_file = NULL;
config->queue_qos0_messages = false;
config->set_tcp_nodelay = false;
config->sys_interval = 10;
@ -277,7 +277,7 @@ void config__cleanup(struct mosquitto__config *config)
mosquitto__free(config->persistence_location);
mosquitto__free(config->persistence_file);
mosquitto__free(config->persistence_filepath);
mosquitto__free(config->psk_file);
mosquitto__free(config->security_options.psk_file);
mosquitto__free(config->pid_file);
if(config->listeners){
for(i=0; i<config->listener_count; i++){
@ -1576,11 +1576,12 @@ int config__read_file_core(struct mosquitto__config *config, bool reload, const
}
}else if(!strcmp(token, "psk_file")){
#ifdef REAL_WITH_TLS_PSK
conf__set_cur_security_options(config, cur_listener, &cur_security_options);
if(reload){
mosquitto__free(config->psk_file);
config->psk_file = NULL;
mosquitto__free(cur_security_options->psk_file);
cur_security_options->psk_file = NULL;
}
if(conf__parse_string(&token, "psk_file", &config->psk_file, saveptr)) return MOSQ_ERR_INVAL;
if(conf__parse_string(&token, "psk_file", &cur_security_options->psk_file, saveptr)) return MOSQ_ERR_INVAL;
#else
log__printf(NULL, MOSQ_LOG_WARNING, "Warning: TLS/TLS-PSK support not available.");
#endif

4
src/mosquitto_broker_internal.h
Unescape Escape View File

@ -190,6 +190,7 @@ struct mosquitto__listener {
#endif
struct mosquitto__security_options security_options;
struct mosquitto__unpwd *unpwd;
struct mosquitto__unpwd *psk_id;
};
struct mosquitto__config {
@ -220,7 +221,6 @@ struct mosquitto__config {
char *persistence_filepath;
time_t persistent_client_expiration;
char *pid_file;
char *psk_file;
bool queue_qos0_messages;
bool per_listener_settings;
bool set_tcp_nodelay;
@ -615,7 +615,7 @@ int mosquitto_security_apply_default(struct mosquitto_db *db);
int mosquitto_security_cleanup_default(struct mosquitto_db *db, bool reload);
int mosquitto_acl_check_default(struct mosquitto_db *db, struct mosquitto *context, const char *topic, int access);
int mosquitto_unpwd_check_default(struct mosquitto_db *db, struct mosquitto *context, const char *username, const char *password);
int mosquitto_psk_key_get_default(struct mosquitto_db *db, const char *hint, const char *identity, char *key, int max_key_len);
int mosquitto_psk_key_get_default(struct mosquitto_db *db, struct mosquitto *context, const char *hint, const char *identity, char *key, int max_key_len);
/* ============================================================
* Window service and signal related functions

2
src/security.c
Unescape Escape View File

@ -449,7 +449,7 @@ int mosquitto_psk_key_get(struct mosquitto_db *db, struct mosquitto *context, co
int rc;
int i;
rc = mosquitto_psk_key_get_default(db, hint, identity, key, max_key_len);
rc = mosquitto_psk_key_get_default(db, context, hint, identity, key, max_key_len);
if(rc != MOSQ_ERR_PLUGIN_DEFER){
return rc;
}

66
src/security_default.c
Unescape Escape View File

@ -27,7 +27,7 @@ static int aclfile__parse(struct mosquitto_db *db);
static int unpwd__file_parse(struct mosquitto__unpwd **unpwd, const char *password_file);
static int acl__cleanup(struct mosquitto_db *db, bool reload);
static int unpwd__cleanup(struct mosquitto__unpwd **unpwd, bool reload);
static int psk__file_parse(struct mosquitto_db *db);
static int psk__file_parse(struct mosquitto_db *db, struct mosquitto__unpwd **psk_id, const char *psk_file);
#ifdef WITH_TLS
static int pw__digest(const char *password, const unsigned char *salt, unsigned int salt_len, unsigned char *hash, unsigned int *hash_len);
static int base64__decode(char *in, unsigned char **decoded, unsigned int *decoded_len);
@ -75,11 +75,25 @@ int mosquitto_security_init_default(struct mosquitto_db *db, bool reload)
}
/* Load psk data if required. */
if(db->config->psk_file){
rc = psk__file_parse(db);
if(rc){
log__printf(NULL, MOSQ_LOG_ERR, "Error opening psk file \"%s\".", db->config->psk_file);
return rc;
if(db->config->per_listener_settings){
for(int i=0; i<db->config->listener_count; i++){
char *pskf = db->config->listeners[i].security_options.psk_file;
if(pskf){
rc = psk__file_parse(db, &db->config->listeners[i].psk_id, pskf);
if(rc){
log__printf(NULL, MOSQ_LOG_ERR, "Error opening psk file \"%s\".", pskf);
return rc;
}
}
}
}else{
char *pskf = db->config->security_options.psk_file;
if(pskf){
rc = psk__file_parse(db, &db->psk_id, pskf);
if(rc){
log__printf(NULL, MOSQ_LOG_ERR, "Error opening psk file \"%s\".", pskf);
return rc;
}
}
}
@ -98,10 +112,21 @@ int mosquitto_security_cleanup_default(struct mosquitto_db *db, bool reload)
for(int i=0; i<db->config->listener_count; i++){
if(db->config->listeners[i].unpwd){
rc = unpwd__cleanup(&db->config->listeners[i].unpwd, reload);
if(rc != MOSQ_ERR_SUCCESS) return rc;
}
}
return unpwd__cleanup(&db->psk_id, reload);
rc = unpwd__cleanup(&db->psk_id, reload);
if(rc != MOSQ_ERR_SUCCESS) return rc;
for(int i=0; i<db->config->listener_count; i++){
if(db->config->listeners[i].psk_id){
rc = unpwd__cleanup(&db->config->listeners[i].psk_id, reload);
if(rc != MOSQ_ERR_SUCCESS) return rc;
}
}
return MOSQ_ERR_SUCCESS;
}
@ -649,20 +674,20 @@ static int unpwd__file_parse(struct mosquitto__unpwd **unpwd, const char *passwo
return rc;
}
static int psk__file_parse(struct mosquitto_db *db)
static int psk__file_parse(struct mosquitto_db *db, struct mosquitto__unpwd **psk_id, const char *psk_file)
{
int rc;
struct mosquitto__unpwd *u, *tmp;
if(!db || !db->config) return MOSQ_ERR_INVAL;
if(!db || !db->config || !psk_id) return MOSQ_ERR_INVAL;
/* We haven't been asked to parse a psk file. */
if(!db->config->psk_file) return MOSQ_ERR_SUCCESS;
if(!psk_file) return MOSQ_ERR_SUCCESS;
rc = pwfile__parse(db->config->psk_file, &db->psk_id);
rc = pwfile__parse(psk_file, psk_id);
if(rc) return rc;
HASH_ITER(hh, db->psk_id, u, tmp){
HASH_ITER(hh, (*psk_id), u, tmp){
/* Check for hex only digits */
if(!u->password){
log__printf(NULL, MOSQ_LOG_ERR, "Error: Empty psk for identity \"%s\".", u->username);
@ -704,6 +729,7 @@ int mosquitto_unpwd_check_default(struct mosquitto_db *db, struct mosquitto *con
#endif
if(!db) return MOSQ_ERR_INVAL;
if(db->config->per_listener_settings){
if(!context->listener) return MOSQ_ERR_INVAL;
if(!context->listener->unpwd) return MOSQ_ERR_PLUGIN_DEFER;
@ -825,14 +851,24 @@ int mosquitto_security_apply_default(struct mosquitto_db *db)
return MOSQ_ERR_SUCCESS;
}
int mosquitto_psk_key_get_default(struct mosquitto_db *db, const char *hint, const char *identity, char *key, int max_key_len)
int mosquitto_psk_key_get_default(struct mosquitto_db *db, struct mosquitto *context, const char *hint, const char *identity, char *key, int max_key_len)
{
struct mosquitto__unpwd *u, *tmp;
struct mosquitto__unpwd *psk_id_ref = NULL;
if(!db || !hint || !identity || !key) return MOSQ_ERR_INVAL;
if(!db->psk_id) return MOSQ_ERR_PLUGIN_DEFER;
HASH_ITER(hh, db->psk_id, u, tmp){
if(db->config->per_listener_settings){
if(!context->listener) return MOSQ_ERR_INVAL;
if(!context->listener->psk_id) return MOSQ_ERR_PLUGIN_DEFER;
psk_id_ref = context->listener->psk_id;
}else{
if(!db->psk_id) return MOSQ_ERR_PLUGIN_DEFER;
psk_id_ref = db->psk_id;
}
if(!psk_id_ref) return MOSQ_ERR_PLUGIN_DEFER;
HASH_ITER(hh, psk_id_ref, u, tmp){
if(!strcmp(u->username, identity)){
strncpy(key, u->password, max_key_len);
return MOSQ_ERR_SUCCESS;

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