chan_sip: Fix reference leaks in error paths.
* get_sip_pvt_from_replaces leaks sip_pvt_ptr on any error. * build_peer leaks peer on failure to allocate the endpoint. This patch fixes get_sip_pvt by using an RAII_VAR, build_peer is fixed with an unref in the appropriate place. ASTERISK-26184 #close Change-Id: I728b424648ad041409f7d90880f4c28b3ce2ca12
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@ -18386,7 +18386,7 @@ static enum sip_get_dest_result get_destination(struct sip_pvt *p, struct sip_re
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static int get_sip_pvt_from_replaces(const char *callid, const char *totag,
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const char *fromtag, struct sip_pvt **out_pvt, struct ast_channel **out_chan)
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{
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struct sip_pvt *sip_pvt_ptr;
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RAII_VAR(struct sip_pvt *, sip_pvt_ptr, NULL, ao2_cleanup);
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struct sip_pvt tmp_dialog = {
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.callid = callid,
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};
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@ -18461,6 +18461,9 @@ static int get_sip_pvt_from_replaces(const char *callid, const char *totag,
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}
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}
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/* If we're here sip_pvt_ptr has been copied to *out_pvt, prevent RAII_VAR cleanup */
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sip_pvt_ptr = NULL;
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return 0;
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}
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@ -31095,6 +31098,7 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, str
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return NULL;
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}
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if (!(peer->endpoint = ast_endpoint_create("SIP", name))) {
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ao2_t_ref(peer, -1, "failed to allocate endpoint, drop peer");
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return NULL;
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}
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if (!(peer->caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {
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