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q931.c: Made not recognize ie 0x01 for switches other than 4ESS, 5ESS, NI2, and DMS-100.

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An incoming SETUP message needs to reject the invalid ie 0x01 on switches
other than 4ESS, 5ESS, NI2, and DMS-100.

LIBPRI-74 #close
Reported by: Richard Mudgett


git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@2333 2fbb986a-6c06-0410-b554-c9c1f0a7f128
This commit is contained in:
Richard Mudgett 2014-11-17 23:26:55 +00:00
parent 5fda3d8c68
commit fc96191788
2 changed files with 28 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
pri_q931.h
View File

@ -138,9 +138,6 @@ typedef struct q931_ie {
#define SERVICE_CHANGE_STATUS_REQCONTINUITYCHECK 3 /* not supported */
#define SERVICE_CHANGE_STATUS_SHUTDOWN 4 /* not supported */
/* Special codeset 0 IE */
#define NATIONAL_CHANGE_STATUS 0x1
/* Q.931 / National ISDN Information Elements */
#define Q931_LOCKING_SHIFT 0x90
#define Q931_NON_LOCKING_SHIFT 0x98

32
q931.c
View File

@ -2681,10 +2681,33 @@ static void dump_change_status(int full_ie, struct pri *ctrl, q931_ie *ie, int l
pri_message(ctrl, " %02x", ie->data[x] & 0x7f);
}
pri_message(ctrl, " ]\n");
switch (ctrl->switchtype) {
case PRI_SWITCH_NI2:
case PRI_SWITCH_DMS100:
case PRI_SWITCH_LUCENT5E:
case PRI_SWITCH_ATT4ESS:
break;
default:
/* ie not supported by this switch type */
pri_message(ctrl, "%c %s is treated as unknown by current switch type.\n",
prefix, ie2str(full_ie));
break;
}
}
static int receive_change_status(int full_ie, struct pri *ctrl, q931_call *call, int msgtype, q931_ie *ie, int len)
{
switch (ctrl->switchtype) {
case PRI_SWITCH_NI2:
case PRI_SWITCH_DMS100:
case PRI_SWITCH_LUCENT5E:
case PRI_SWITCH_ATT4ESS:
break;
default:
/* ie not supported by this switch type */
return -1;
}
call->changestatus = ie->data[0] & 0x0f;
return 0;
}
@ -3955,8 +3978,11 @@ static int transmit_reverse_charging_indication(int full_ie, struct pri *ctrl, q
}
static struct ie ies[] = {
/* Codeset 0 - Comprehension required ie's with varying support. */
{ 1, Q931_IE_SEGMENTED_MSG, "Segmented Message" }, /* Not supported. Just ie name is available for message decode. */
{ 1, Q931_IE_CHANGE_STATUS, "Change Status Information", dump_change_status, receive_change_status, transmit_change_status },
/* Codeset 0 - Common */
{ 1, NATIONAL_CHANGE_STATUS, "Change Status Information", dump_change_status, receive_change_status, transmit_change_status },
{ 0, Q931_LOCKING_SHIFT, "Locking Shift", dump_shift },
{ 0, Q931_BEARER_CAPABILITY, "Bearer Capability", dump_bearer_capability, receive_bearer_capability, transmit_bearer_capability },
{ 0, Q931_CAUSE, "Cause", dump_cause, receive_cause, transmit_cause },
@ -3988,7 +4014,6 @@ static struct ie ies[] = {
{ 1, Q931_IE_FEATURE_ACTIVATE, "Feature Activation" },
{ 1, Q931_IE_INFO_REQUEST, "Feature Request" },
{ 1, Q931_IE_FEATURE_IND, "Feature Indication" },
{ 1, Q931_IE_SEGMENTED_MSG, "Segmented Message" },
{ 1, Q931_IE_CALL_IDENTITY, "Call Identity", dump_call_identity },
{ 1, Q931_IE_ENDPOINT_ID, "Endpoint Identification" },
{ 1, Q931_IE_NOTIFY_IND, "Notification Indicator", dump_notify, receive_notify, transmit_notify },
@ -4000,7 +4025,6 @@ static struct ie ies[] = {
{ 1, Q931_IE_USER_USER, "User-User Information", dump_user_user, receive_user_user, transmit_user_user },
{ 1, Q931_IE_ESCAPE_FOR_EXT, "Escape for Extension" },
{ 1, Q931_IE_CALL_STATUS, "Call Status" },
{ 1, Q931_IE_CHANGE_STATUS, "Change Status Information", dump_change_status, receive_change_status, transmit_change_status },
{ 1, Q931_IE_CONNECTED_ADDR, "Connected Address", dump_connected_number, receive_connected_number, transmit_connected_number },
{ 1, Q931_IE_CONNECTED_NUM, "Connected Number", dump_connected_number, receive_connected_number, transmit_connected_number },
{ 1, Q931_IE_CONNECTED_SUBADDR, "Connected Subaddress", dump_connected_subaddr, receive_connected_subaddr, transmit_connected_subaddr },
@ -4792,7 +4816,7 @@ static int add_ie(struct pri *ctrl, q931_call *call, int msgtype, int ie, q931_i
}
return total_res;
} else {
pri_error(ctrl, "!! Don't know how to add an IE %s (%d)\n", ie2str(ie), ie);
pri_error(ctrl, "!! Don't know how to add IE %d (%s)\n", ie, ie2str(ie));
return -1;
}
}