bool uri_data_decode(struct uri_parser *parser, const char *data,
const char *until, const char **decoded_r)
{
const unsigned char *p = (const unsigned char *)data;
const unsigned char *pend = (const unsigned char *)until;
string_t *decoded;
if (pend == NULL) {
/* NULL means unlimited; solely rely on '\0' */
pend = (const unsigned char *)(size_t)-1;
}
if (p >= pend || *p == '\0') {
if (decoded_r != NULL)
*decoded_r = "";
return TRUE;
}
decoded = uri_parser_get_tmpbuf(parser, 256);
while (p < pend && *p != '\0') {
unsigned char ch;
if (*p == '%') {
p++;
if (uri_parse_pct_encoded(parser, &p, NULL, &ch) <= 0)
return FALSE;
str_append_c(decoded, ch);
} else {
str_append_c(decoded, *p);
p++;
}
}
if (decoded_r != NULL)
*decoded_r = t_strdup(str_c(decoded));
return TRUE;
}
static int uri_parse_host(struct uri_parser *parser, struct uri_authority *auth)
{
const unsigned char *preserve;
struct in_addr ip4;
struct in6_addr ip6;
string_t *literal = NULL;
int ret;
/* RFC 3986:
*
* host = IP-literal / IPv4address / reg-name
*/
literal = uri_parser_get_tmpbuf(parser, 256);
/* IP-literal / */
if (parser->cur < parser->end && *parser->cur == '[') {
#ifdef HAVE_IPV6
if ((ret=uri_parse_ip_literal(parser, literal, &ip6)) <= 0)
return -1;
if (auth != NULL) {
auth->host_literal = t_strdup(str_c(literal));
auth->host_ip.family = AF_INET6;
auth->host_ip.u.ip6 = ip6;
auth->have_host_ip = TRUE;
}
return 1;
#else
parser->error = "IPv6 host address is not supported";
return -1;
#endif
}
/* IPv4address /
*
* If it fails to parse, we try to parse it as a reg-name
*/
preserve = parser->cur;
if ((ret = uri_parse_ipv4address(parser, literal, &ip4)) > 0) {
if (auth != NULL) {
auth->host_literal = t_strdup(str_c(literal));
auth->host_ip.family = AF_INET;
auth->host_ip.u.ip4 = ip4;
auth->have_host_ip = TRUE;
}
return ret;
}
parser->cur = preserve;
str_truncate(literal, 0);
/* reg-name */
if ((ret = uri_parse_reg_name(parser, literal)) != 0) {
if (ret > 0 && auth != NULL) {
auth->host_literal = t_strdup(str_c(literal));
auth->have_host_ip = FALSE;
}
return ret;
}
return 0;
}