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Osmo-CC: Fixed simple routing using screen option

pull/6/head
Andreas Eversberg 2022-06-25 14:27:21 +02:00
parent 5335a77e48
commit f901eedd8e
1 changed files with 12 additions and 4 deletions
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16
src/libosmocc/screen.c
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@ -58,6 +58,10 @@ void osmo_cc_help_screen(void)
printf("to allow any suffix to match from now on. The new caller ID or dialed number\n");
printf("may contain a '*', to append the suffix from the current caller ID or dialed\n");
printf("number.\n\n");
printf("When screening an incoming caller ID or dialed number, the '@' can be appended\n");
printf("to the 'new caller ID', followed by a 'host:port', to route call to a special\n");
printf("Osmo-CC endpoint. This way it is possible to do simple routing.\n\n");
}
char *osmo_cc_strtok_quotes(const char **text_p)
@ -139,6 +143,7 @@ int osmo_cc_add_screen(osmo_cc_endpoint_t *ep, const char *text)
} else if (!strncasecmp(text, "screen-called-in", 16)) {
text += 16;
list_p = &ep->screen_called_in;
calling_in = 1;
} else if (!strncasecmp(text, "screen-calling-out", 18)) {
text += 18;
list_p = &ep->screen_calling_out;
@ -218,6 +223,7 @@ no_present_error:
list->from_present = OSMO_CC_PRESENT_RESTRICTED;
goto next_from;
} else {
star_used = 0;
for (i = j = 0; token[i] && j < (int)sizeof(list->from) - 1; i++, j++) {
if (token[i] == '?')
list->from[j] = SCREEN_QUESTIONMARK;
@ -240,7 +246,6 @@ no_present_error:
list->from[j] = '\0';
}
star_used = 0;
next_to:
token = osmo_cc_strtok_quotes(&text);
if (!token) {
@ -293,6 +298,7 @@ next_to:
list->to_present = OSMO_CC_PRESENT_RESTRICTED;
goto next_to;
} else {
at_used = star_used = 0;
for (i = j = 0; token[i] && j < (int)sizeof(list->to) - 1; i++, j++) {
if (token[i] == '*') {
if (star_used) {
@ -506,7 +512,7 @@ static int osmo_cc_screen(const char *what, osmo_cc_screen_list_t *list, uint8_t
continue;
/* '@' means to stop and return routing also */
} else if (list->to[i] == SCREEN_AT) {
*routing_p = &list->to[i];
*routing_p = &list->to[i + 1];
break;
}
/* copy output digit */
@ -543,6 +549,8 @@ static int osmo_cc_screen(const char *what, osmo_cc_screen_list_t *list, uint8_t
PDEBUG(DCC, DEBUG_INFO, " -> present = restricted\n");
break;
}
if (*routing_p && **routing_p)
PDEBUG(DCC, DEBUG_INFO, " -> remote = %s\n", *routing_p);
return 0;
}
@ -586,13 +594,13 @@ osmo_cc_msg_t *osmo_cc_screen_msg(osmo_cc_endpoint_t *ep, osmo_cc_msg_t *old_msg
if (in && ep->screen_called_in) {
rc = osmo_cc_get_ie_called(old_msg, 0, &called_type, &called_plan, id, sizeof(id));
if (rc >= 0) {
rc = osmo_cc_screen("incoming dialed number", ep->screen_called_in, &called_type, NULL, called, sizeof(called), id, NULL);
rc = osmo_cc_screen("incoming dialed number", ep->screen_called_in, &called_type, NULL, called, sizeof(called), id, routing_p);
if (rc >= 0)
called_status = 1;
} else {
called_type = OSMO_CC_TYPE_UNKNOWN;
called_plan = OSMO_CC_PLAN_TELEPHONY;
rc = osmo_cc_screen("incoming dialed number", ep->screen_called_in, &called_type, NULL, called, sizeof(called), "", NULL);
rc = osmo_cc_screen("incoming dialed number", ep->screen_called_in, &called_type, NULL, called, sizeof(called), "", routing_p);
if (rc >= 0)
called_status = 1;
}