fc72f9e7ab
The code using the via->addr field expect this to reflect the sent-by value, not the recived/rport value.
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/**
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* @file via.c SIP Via decode
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*
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* Copyright (C) 2010 Creytiv.com
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*/
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#include <re_types.h>
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#include <re_fmt.h>
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#include <re_mbuf.h>
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#include <re_uri.h>
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#include <re_list.h>
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#include <re_sa.h>
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#include <re_sip.h>
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static int decode_hostport(const struct pl *hostport, struct pl *host,
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struct pl *port)
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{
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/* Try IPv6 first */
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if (!re_regex(hostport->p, hostport->l, "\\[[0-9a-f:]+\\][:]*[0-9]*",
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host, NULL, port))
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return 0;
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/* Then non-IPv6 host */
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return re_regex(hostport->p, hostport->l, "[^:]+[:]*[0-9]*",
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host, NULL, port);
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}
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int sip_via_decode(struct sip_via *via, const struct pl *pl)
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{
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struct pl host, port;
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int err;
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if (!via || !pl)
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return EINVAL;
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err = re_regex(pl->p, pl->l,
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"SIP[ \t\r\n]*/[ \t\r\n]*2.0[ \t\r\n]*/[ \t\r\n]*"
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"[A-Z]+[ \t\r\n]*[^; \t\r\n]+[ \t\r\b]*[^]*",
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NULL, NULL, NULL, NULL, &via->transp,
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NULL, &via->sentby, NULL, &via->params);
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if (err)
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return err;
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err = decode_hostport(&via->sentby, &host, &port);
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if (err)
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return err;
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sa_init(&via->addr, AF_INET);
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(void)sa_set(&via->addr, &host, 0);
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if (pl_isset(&port))
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sa_set_port(&via->addr, pl_u32(&port));
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via->val = *pl;
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return sip_param_decode(&via->params, "branch", &via->branch);
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}
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