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Bug 821071: Initialize all out parameters in VcmSIPCCBinding.cpp, r=ekr

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This commit is contained in:
Adam Roach [:abr] 2012-12-31 11:43:22 -06:00
parent 873565fa76
commit e1679c7d8f
4 changed files with 103 additions and 75 deletions
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138
media/webrtc/signaling/src/media/VcmSIPCCBinding.cpp
View File

@ -369,6 +369,7 @@ void vcmRxAllocPort(cc_mcapid_t mcap_id,
cc_uint16_t port_requested,
int *port_allocated)
{
*port_allocated = -1;
CSFLogDebug( logTag, "vcmRxAllocPort(): group_id=%d stream_id=%d call_handle=%d port_requested = %d",
group_id, stream_id, call_handle, port_requested);
@ -410,22 +411,25 @@ void vcmRxAllocPort(cc_mcapid_t mcap_id,
* @param[out] candidatesp - the ICE candidate array
* @param[out] candidate_ctp length of the array
*
* @return void
* @return 0 for success; VCM_ERROR for failure
*
*/
static void vcmRxAllocICE_m(cc_mcapid_t mcap_id,
cc_groupid_t group_id,
cc_streamid_t stream_id,
cc_call_handle_t call_handle,
const char *peerconnection,
uint16_t level,
char **default_addrp, /* Out */
int *default_portp, /* Out */
char ***candidatesp, /* Out */
int *candidate_ctp /* Out */
static short vcmRxAllocICE_m(cc_mcapid_t mcap_id,
cc_groupid_t group_id,
cc_streamid_t stream_id,
cc_call_handle_t call_handle,
const char *peerconnection,
uint16_t level,
char **default_addrp, /* Out */
int *default_portp, /* Out */
char ***candidatesp, /* Out */
int *candidate_ctp /* Out */
)
{
*default_addrp = NULL;
*default_portp = -1;
*candidatesp = NULL;
*candidate_ctp = 0;
CSFLogDebug( logTag, "%s: group_id=%d stream_id=%d call_handle=%d PC = %s",
__FUNCTION__, group_id, stream_id, call_handle, peerconnection);
@ -434,14 +438,14 @@ static void vcmRxAllocICE_m(cc_mcapid_t mcap_id,
// ICE streams already exist, so we're just acquiring them. Any logic
// to make them on demand is elsewhere.
sipcc::PeerConnectionWrapper pc(peerconnection);
ENSURE_PC(pc, /**/);
ENSURE_PC(pc, VCM_ERROR);
CSFLogDebug( logTag, "%s: Getting stream %d", __FUNCTION__, level);
mozilla::RefPtr<NrIceMediaStream> stream = pc.impl()->media()->
ice_media_stream(level-1);
MOZ_ASSERT(stream);
if (!stream) {
return;
return VCM_ERROR;
}
std::vector<std::string> candidates = stream->GetCandidates();
@ -453,7 +457,7 @@ static void vcmRxAllocICE_m(cc_mcapid_t mcap_id,
nsresult res = stream->GetDefaultCandidate(1, &default_addr, &default_port);
MOZ_ASSERT(NS_SUCCEEDED(res));
if (!NS_SUCCEEDED(res)) {
return;
return VCM_ERROR;
}
CSFLogDebug( logTag, "%s: Got default candidates %s:%d", __FUNCTION__,
@ -462,7 +466,7 @@ static void vcmRxAllocICE_m(cc_mcapid_t mcap_id,
// Note: this leaks memory if we are out of memory. Oh well.
*candidatesp = (char **) cpr_malloc(candidates.size() * sizeof(char *));
if (!(*candidatesp))
return;
return VCM_ERROR;
for (size_t i=0; i<candidates.size(); i++) {
(*candidatesp)[i] = (char *) cpr_malloc(candidates[i].size() + 1);
@ -473,9 +477,10 @@ static void vcmRxAllocICE_m(cc_mcapid_t mcap_id,
// Copy the default address
*default_addrp = (char *) cpr_malloc(default_addr.size() + 1);
if (!*default_addrp)
return;
return VCM_ERROR;
sstrncpy(*default_addrp, default_addr.c_str(), default_addr.size() + 1);
*default_portp = default_port; /* This is the signal that things are cool */
return 0;
}
@ -493,10 +498,10 @@ static void vcmRxAllocICE_m(cc_mcapid_t mcap_id,
* @param[out] candidatesp - the ICE candidate array
* @param[out] candidate_ctp length of the array
*
* @return void
* @return 0 for success; VCM_ERROR for failure
*
*/
void vcmRxAllocICE(cc_mcapid_t mcap_id,
short vcmRxAllocICE(cc_mcapid_t mcap_id,
cc_groupid_t group_id,
cc_streamid_t stream_id,
cc_call_handle_t call_handle,
@ -508,19 +513,22 @@ void vcmRxAllocICE(cc_mcapid_t mcap_id,
int *candidate_ctp /* Out */
)
{
int ret;
VcmSIPCCBinding::getMainThread()->Dispatch(
WrapRunnableNM(&vcmRxAllocICE_m,
mcap_id,
group_id,
stream_id,
call_handle,
peerconnection,
level,
default_addrp,
default_portp,
candidatesp,
candidate_ctp),
NS_DISPATCH_SYNC);
WrapRunnableNMRet(&vcmRxAllocICE_m,
mcap_id,
group_id,
stream_id,
call_handle,
peerconnection,
level,
default_addrp,
default_portp,
candidatesp,
candidate_ctp,
&ret),
NS_DISPATCH_SYNC);
return ret;
}
/* Get ICE global parameters (ufrag and pwd)
@ -528,11 +536,11 @@ void vcmRxAllocICE(cc_mcapid_t mcap_id,
* @param[out] ufragp - where to put the ufrag
* @param[out] pwdp - where to put the pwd
*
* @return void
* @return 0 for success; VCM_ERROR for failure
*/
static void vcmGetIceParams_m(const char *peerconnection,
char **ufragp,
char **pwdp)
static short vcmGetIceParams_m(const char *peerconnection,
char **ufragp,
char **pwdp)
{
CSFLogDebug( logTag, "%s: PC = %s", __FUNCTION__, peerconnection);
@ -542,7 +550,7 @@ static void vcmGetIceParams_m(const char *peerconnection,
// ICE streams already exist, so we're just acquiring them. Any logic
// to make them on demand is elsewhere.
sipcc::PeerConnectionWrapper pc(peerconnection);
ENSURE_PC(pc, /**/);
ENSURE_PC(pc, VCM_ERROR);
std::vector<std::string> attrs = pc.impl()->media()->
ice_ctx()->GetGlobalAttributes();
@ -556,7 +564,7 @@ static void vcmGetIceParams_m(const char *peerconnection,
if (!ufrag) {
ufrag = (char *) cpr_malloc(attrs[i].size() + 1);
if (!ufrag)
return;
return VCM_ERROR;
sstrncpy(ufrag, attrs[i].c_str(), attrs[i].size() + 1);
ufrag[attrs[i].size()] = 0;
}
@ -565,7 +573,7 @@ static void vcmGetIceParams_m(const char *peerconnection,
if (attrs[i].compare(0, strlen("ice-pwd:"), "ice-pwd:") == 0) {
pwd = (char *) cpr_malloc(attrs[i].size() + 1);
if (!pwd)
return;
return VCM_ERROR;
sstrncpy(pwd, attrs[i].c_str(), attrs[i].size() + 1);
pwd[attrs[i].size()] = 0;
}
@ -576,13 +584,13 @@ static void vcmGetIceParams_m(const char *peerconnection,
cpr_free(ufrag);
cpr_free(pwd);
CSFLogDebug( logTag, "%s: no ufrag or password", __FUNCTION__);
return;
return VCM_ERROR;
}
*ufragp = ufrag;
*pwdp = pwd;
return;
return 0;
}
/* Get ICE global parameters (ufrag and pwd)
@ -593,18 +601,21 @@ static void vcmGetIceParams_m(const char *peerconnection,
* @param[out] ufragp - where to put the ufrag
* @param[out] pwdp - where to put the pwd
*
* @return void
* @return 0 for success; VCM_ERROR for failure
*/
void vcmGetIceParams(const char *peerconnection,
short vcmGetIceParams(const char *peerconnection,
char **ufragp,
char **pwdp)
{
int ret;
VcmSIPCCBinding::getMainThread()->Dispatch(
WrapRunnableNM(&vcmGetIceParams_m,
peerconnection,
ufragp,
pwdp),
WrapRunnableNMRet(&vcmGetIceParams_m,
peerconnection,
ufragp,
pwdp,
&ret),
NS_DISPATCH_SYNC);
return ret;
}
@ -614,7 +625,7 @@ void vcmGetIceParams(const char *peerconnection,
* @param[in] ufrag - the ufrag
* @param[in] pwd - the pwd
*
* @return 0 success, error failure
* @return 0 for success; VCM_ERROR for failure
*/
static short vcmSetIceSessionParams_m(const char *peerconnection,
char *ufrag,
@ -747,7 +758,7 @@ static short vcmStartIceChecks_m(const char *peerconnection, cc_boolean isContro
{
CSFLogDebug( logTag, "%s: PC = %s", __FUNCTION__, peerconnection);
sipcc::PeerConnectionWrapper pc(peerconnection);
sipcc::PeerConnectionWrapper pc(peerconnection);
ENSURE_PC(pc, VCM_ERROR);
nsresult res;
@ -801,7 +812,7 @@ short vcmStartIceChecks(const char *peerconnection, cc_boolean isControlling)
* @param[in] ufrag - the ufrag
* @param[in] pwd - the pwd
* @param[in] candidates - the candidates
* @param[i] candidate_ct - the number of candidates
* @param[in] candidate_ct - the number of candidates
* @return 0 success, error failure
*/
static short vcmSetIceMediaParams_m(const char *peerconnection,
@ -852,7 +863,7 @@ static short vcmSetIceMediaParams_m(const char *peerconnection,
* @param[in] ufrag - the ufrag
* @param[in] pwd - the pwd
* @param[in] candidates - the candidates
* @param[i] candidate_ct - the number of candidates
* @param[in] candidate_ct - the number of candidates
* @return 0 success, error failure
*/
short vcmSetIceMediaParams(const char *peerconnection,
@ -898,6 +909,8 @@ static short vcmCreateRemoteStream_m(
uint32_t hints = 0;
nsresult res;
*pc_stream_id = -1;
CSFLogDebug( logTag, "%s", __FUNCTION__);
sipcc::PeerConnectionWrapper pc(peerconnection);
ENSURE_PC(pc, VCM_ERROR);
@ -988,6 +1001,10 @@ static short vcmGetDtlsIdentity_m(const char *peerconnection,
size_t max_digest_alg_len,
char *digestp,
size_t max_digest_len) {
digest_algp[0]='\0';
digestp[0]='\0';
sipcc::PeerConnectionWrapper pc(peerconnection);
ENSURE_PC(pc, VCM_ERROR);
@ -1078,7 +1095,7 @@ short vcmSetDataChannelParameters(const char *peerconnection, cc_uint16_t stream
* @param[in] port_requested - requested port.
* @param[in] listen_ip - local IP for listening
* @param[in] is_multicast - multicast stream?
* @param[in,out] port_allocated - allocated(reserved) port
* @param[out] port_allocated - allocated(reserved) port
*
* tbd need to see if we can deprecate this API
*
@ -1098,6 +1115,7 @@ short vcmRxOpen(cc_mcapid_t mcap_id,
char fname[] = "vcmRxOpen";
char dottedIP[20] = "";
*port_allocated = -1;
if(listen_ip)
{
csf_sprintf(dottedIP, sizeof(dottedIP), "%u.%u.%u.%u",
@ -1243,7 +1261,7 @@ int vcmRxStart(cc_mcapid_t mcap_id,
* @param[in] stream_id - stream id of the given media type.
* @param[in] level - the m-line index
* @param[in] pc_stream_id - the media stream index (from PC.addStream())
* @param[i]n pc_track_id - the track within the media stream
* @param[in] pc_track_id - the track within the media stream
* @param[in] call_handle - call handle
* @param[in] peerconnection - the peerconnection in use
* @param[in] num_payloads - number of negotiated payloads
@ -1471,11 +1489,11 @@ int vcmRxStartICE(cc_mcapid_t mcap_id,
* @param[in] stream_id - stream id of the given media type.
* @param[in] call_handle - call identifier
*
* @return None
* @return 0 for success; VCM_ERROR for failure
*
*/
void vcmRxClose(cc_mcapid_t mcap_id,
short vcmRxClose(cc_mcapid_t mcap_id,
cc_groupid_t group_id,
cc_streamid_t stream_id,
cc_call_handle_t call_handle)
@ -1487,7 +1505,7 @@ void vcmRxClose(cc_mcapid_t mcap_id,
if (call_handle == CC_NO_CALL_ID) {
CSFLogDebugS( logTag, "No CALL ID");
/* no operation when no call ID */
return;
return VCM_ERROR;
}
switch ( mcap_id )
{
@ -1504,6 +1522,7 @@ void vcmRxClose(cc_mcapid_t mcap_id,
default:
break;
}
return 0;
}
/**
@ -2084,7 +2103,7 @@ int vcmTxStartICE(cc_mcapid_t mcap_id,
attrs,
&ret),
NS_DISPATCH_SYNC);
return ret;
}
@ -2097,10 +2116,10 @@ int vcmTxStartICE(cc_mcapid_t mcap_id,
* @param[in] stream_id - stream id of the given media type.
* @param[in] call_handle - call identifier
*
* @return void
* @return 0 for success; VCM_ERROR for failure
*/
void vcmTxClose(cc_mcapid_t mcap_id,
short vcmTxClose(cc_mcapid_t mcap_id,
cc_groupid_t group_id,
cc_streamid_t stream_id,
cc_call_handle_t call_handle)
@ -2111,7 +2130,7 @@ void vcmTxClose(cc_mcapid_t mcap_id,
if (call_handle == CC_NO_CALL_ID) {
/* no operation when no call ID */
return;
return VCM_ERROR;
}
switch ( mcap_id )
@ -2129,6 +2148,7 @@ void vcmTxClose(cc_mcapid_t mcap_id,
default:
break;
}
return 0;
}
#if 0
@ -2287,6 +2307,8 @@ int vcmGetRtpStats(cc_mcapid_t mcap_id,
char *rx_stats,
char *tx_stats)
{
rx_stats[0] = '\0';
tx_stats[0] = '\0';
return 0;
}

12
media/webrtc/signaling/src/sipcc/core/gsm/fsmdef.c
View File

@ -2918,8 +2918,10 @@ fsmdef_ev_createoffer (sm_event_t *event) {
msg->data.session.constraints = 0;
}
vcmGetIceParams(dcb->peerconnection, &ufrag, &ice_pwd);
if (!ufrag || !ice_pwd) {
vcm_res = vcmGetIceParams(dcb->peerconnection, &ufrag, &ice_pwd);
if (vcm_res) {
FSM_DEBUG_SM(DEB_F_PREFIX"vcmGetIceParams returned an error\n",
DEB_F_PREFIX_ARGS(FSM, __FUNCTION__));
ui_create_offer(evCreateOfferError, line, call_id,
dcb->caller_id.call_instance_id, strlib_empty());
return (fsmdef_release(fcb, cause, FALSE));
@ -3025,8 +3027,10 @@ fsmdef_ev_createanswer (sm_event_t *event) {
msg->data.session.constraints = 0;
}
vcmGetIceParams(dcb->peerconnection, &ufrag, &ice_pwd);
if (!ufrag || !ice_pwd) {
vcm_res = vcmGetIceParams(dcb->peerconnection, &ufrag, &ice_pwd);
if (vcm_res) {
FSM_DEBUG_SM(DEB_F_PREFIX"vcmGetIceParams returned an error\n",
DEB_F_PREFIX_ARGS(FSM, __FUNCTION__));
ui_create_offer(evCreateAnswerError, line, call_id,
dcb->caller_id.call_instance_id, strlib_empty());
return (fsmdef_release(fcb, cause, FALSE));

12
media/webrtc/signaling/src/sipcc/core/gsm/lsm.c
View File

@ -638,16 +638,16 @@ lsm_open_rx (lsm_lcb_t *lcb, cc_action_data_open_rcv_t *data,
char **candidates;
int candidate_ct;
char *default_addr;
short status;
vcmRxAllocICE(media->cap_index, dcb->group_id, media->refid,
status = vcmRxAllocICE(media->cap_index, dcb->group_id, media->refid,
lsm_get_ms_ui_call_handle(lcb->line, lcb->call_id, lcb->ui_id),
dcb->peerconnection,
media->level,
&default_addr, &port_allocated,
&candidates, &candidate_ct);
// Check that we got a valid address and port
if (default_addr && (strlen(default_addr) > 0) && (port_allocated != -1)) {
if (!status) {
sstrncpy(dcb->ice_default_candidate_addr, default_addr, sizeof(dcb->ice_default_candidate_addr));
data->port = (uint16_t)port_allocated;
@ -659,8 +659,10 @@ lsm_open_rx (lsm_lcb_t *lcb, cc_action_data_open_rcv_t *data,
}
}
LSM_DEBUG(get_debug_string(LSM_DBG_INT1), lcb->call_id, lcb->line, fname,
"allocated port", port_allocated);
if (rc == CC_RC_SUCCESS) {
LSM_DEBUG(get_debug_string(LSM_DBG_INT1), lcb->call_id, lcb->line, fname,
"allocated port", port_allocated);
}
return (rc);
}

16
media/webrtc/signaling/src/sipcc/include/vcm.h
View File

@ -404,7 +404,7 @@ short vcmTxOpen(cc_mcapid_t mcap_id,
* @param[in] port_requested - port requested (if zero -> give any)
* @param[out] port_allocated - port that was actually allocated.
*
* @return void
* @return 0 for success; VCM_ERROR for failure
*
*/
@ -416,7 +416,7 @@ void vcmRxAllocPort(cc_mcapid_t mcap_id,
int *port_allocated);
void vcmRxAllocICE(cc_mcapid_t mcap_id,
short vcmRxAllocICE(cc_mcapid_t mcap_id,
cc_groupid_t group_id,
cc_streamid_t stream_id,
cc_call_handle_t call_handle,
@ -435,9 +435,9 @@ void vcmRxAllocICE(cc_mcapid_t mcap_id,
* @param[out] ufragp - where to put the ufrag
* @param[out] pwdp - where to put the pwd
*
* @return void
* @return 0 for success; VCM_ERROR for failure
*/
void vcmGetIceParams(const char *peerconnection, char **ufragp, char **pwdp);
short vcmGetIceParams(const char *peerconnection, char **ufragp, char **pwdp);
/* Set remote ICE global parameters.
*
@ -685,11 +685,11 @@ int vcmTxStart(cc_mcapid_t mcap_id,
* @param[in] stream_id - stream id of the given media type.
* @param[in] call_handle - call handle
*
* @return None
* @return 0 for success; VCM_ERROR for failure
*
*/
void vcmRxClose(cc_mcapid_t mcap_id,
short vcmRxClose(cc_mcapid_t mcap_id,
cc_groupid_t group_id,
cc_streamid_t stream_id,
cc_call_handle_t call_handle);
@ -702,10 +702,10 @@ void vcmRxClose(cc_mcapid_t mcap_id,
* @param[in] stream_id - stream id of the given media type.
* @param[in] call_handle - call handle
*
* @return void
* @return 0 for success; VCM_ERROR for failure
*/
void vcmTxClose(cc_mcapid_t mcap_id,
short vcmTxClose(cc_mcapid_t mcap_id,
cc_groupid_t group_id,
cc_streamid_t stream_id,
cc_call_handle_t call_handle);