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/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdlib.h>
#include <pulse/xmalloc.h>
#include <pulsecore/core-util.h>
#include <pulsecore/macro.h>
#include <pulsecore/arpa-inet.h>
#include "parseaddr.h"
/* Parse addresses in one of the following forms:
* HOSTNAME
* HOSTNAME:PORT
* [HOSTNAME]
* [HOSTNAME]:PORT
*
* Return a newly allocated string of the hostname and fill in *ret_port if specified */
static char *parse_host(const char *s, uint16_t *ret_port) {
pa_assert(s);
pa_assert(ret_port);
if (*s == '[') {
char *e;
if (!(e = strchr(s+1, ']')))
return NULL;
if (e[1] == ':') {
uint32_t p;
if (pa_atou(e+2, &p) < 0)
return NULL;
*ret_port = (uint16_t) p;
} else if (e[1] != 0)
return NULL;
return pa_xstrndup(s+1, (size_t) (e-s-1));
} else {
char *e;
uint32_t p;
if (!(e = strrchr(s, ':')))
return pa_xstrdup(s);
if (pa_atou(e+1, &p) < 0)
return NULL;
*ret_port = (uint16_t) p;
return pa_xstrndup(s, (size_t) (e-s));
}
}
int pa_parse_address(const char *name, pa_parsed_address *ret_p) {
const char *p;
pa_assert(name);
pa_assert(ret_p);
memset(ret_p, 0, sizeof(pa_parsed_address));
ret_p->type = PA_PARSED_ADDRESS_TCP_AUTO;
if (*name == '{') {
char *id, *pfx;
/* The URL starts with a host id for detecting local connections */
if (!(id = pa_machine_id()))
return -1;
pfx = pa_sprintf_malloc("{%s}", id);
pa_xfree(id);
if (!pa_startswith(name, pfx)) {
pa_xfree(pfx);
/* Not local */
return -1;
}
p = name + strlen(pfx);
pa_xfree(pfx);
} else
p = name;
if (*p == '/')
ret_p->type = PA_PARSED_ADDRESS_UNIX;
else if (pa_startswith(p, "unix:")) {
ret_p->type = PA_PARSED_ADDRESS_UNIX;
p += sizeof("unix:")-1;
} else if (pa_startswith(p, "tcp:")) {
ret_p->type = PA_PARSED_ADDRESS_TCP4;
p += sizeof("tcp:")-1;
} else if (pa_startswith(p, "tcp4:")) {
ret_p->type = PA_PARSED_ADDRESS_TCP4;
p += sizeof("tcp4:")-1;
} else if (pa_startswith(p, "tcp6:")) {
ret_p->type = PA_PARSED_ADDRESS_TCP6;
p += sizeof("tcp6:")-1;
}
if (ret_p->type == PA_PARSED_ADDRESS_UNIX)
ret_p->path_or_host = pa_xstrdup(p);
else
if (!(ret_p->path_or_host = parse_host(p, &ret_p->port)))
return -1;
return 0;
}
bool pa_is_ip_address(const char *a) {
char buf[INET6_ADDRSTRLEN];
pa_assert(a);
if (inet_pton(AF_INET6, a, buf) >= 1)
return true;
if (inet_pton(AF_INET, a, buf) >= 1)
return true;
return false;
}
bool pa_is_ip6_address(const char *a) {
char buf[INET6_ADDRSTRLEN];
pa_assert(a);
if (inet_pton(AF_INET6, a, buf) >= 1)
return true;
return false;
}
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