Function parse_cachedb_url

cachedb/cachedb_id.c:71–391

* Parse a database URL of form * scheme[:group]://[username[:password]@]hostname[:port]/database[?options] * * \param id filled id struct * \param url parsed URL * \return 0 if parsing was successful and -1 otherwise */

 * \return 0 if parsing was successful and -1 otherwise
 */
static int parse_cachedb_url(struct cachedb_id* id, const str* url)
{
#define SHORTEST_DB_URL "s://"
#define SHORTEST_DB_URL_LEN (sizeof(SHORTEST_DB_URL) - 1)

	enum state {
		ST_SCHEME,     /* Scheme part */
		ST_SLASH1,     /* First slash */
		ST_SLASH1_GRP, /* Group Name or first / */
		ST_SLASH2,     /* Second slash */
		ST_USER_HOST,  /* Username or hostname */
		ST_PASS_PORT,  /* Password or port part */
		ST_HOST,       /* Hostname part */
		ST_HOST6,      /* Hostname part IPv6 */
		ST_PORT,       /* Port part */
		ST_DB,         /* Database part */
		ST_OPTIONS     /* Options part */
	};

	enum state st;
	unsigned int len, i, ipv6_flag=0, multi_hosts=0;
	char* begin, *last_at, *last_slash, *last_qm;
	char* prev_token,*start_host=NULL,*start_prev=NULL,*ptr;

	prev_token = 0;

	if (!id || !url || !url->s) {
		goto err;
	}

	len = url->len;
	if (len < SHORTEST_DB_URL_LEN) {
		goto err;
	}

	LM_DBG("parsing [%.*s]\n",url->len,url->s);
	/* Initialize all attributes to 0 */
	memset(id, 0, sizeof(struct cachedb_id));
	st = ST_SCHEME;
	begin = url->s;

	if (dupl_string(&id->initial_url,url->s,url->s+url->len) < 0)
		goto err;

	last_slash = q_memrchr(url->s, '/', url->len);
	last_qm = q_memrchr(url->s, '?', url->len);

	/* ignore any '@' characters inside the "params" part */
	if (last_qm || last_slash)
		last_at = q_memrchr(url->s, '@',
		        last_slash ? (last_slash-url->s) : (last_qm-url->s));
	else
		last_at = q_memrchr(url->s, '@', url->len);

	for(i = 0; i < len; i++) {
		switch(st) {
		case ST_SCHEME:
			switch(url->s[i]) {