diff options
Diffstat (limited to 'src/libosmocc/message.c')
-rw-r--r-- | src/libosmocc/message.c | 933 |
1 files changed, 0 insertions, 933 deletions
diff --git a/src/libosmocc/message.c b/src/libosmocc/message.c deleted file mode 100644 index afee718..0000000 --- a/src/libosmocc/message.c +++ /dev/null @@ -1,933 +0,0 @@ -/* Osmo-CC: Message handling - * - * (C) 2016 by Andreas Eversberg <jolly@eversberg.eu> - * All Rights Reserved - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <arpa/inet.h> -#include "../libdebug/debug.h" -#include "message.h" - -static uint32_t new_callref = 0; - -uint32_t osmo_cc_new_callref(void) -{ - return (++new_callref); -} - -const char *osmo_cc_msg_name(uint8_t msg_type) -{ - switch (msg_type) { - case OSMO_CC_MSG_SETUP_REQ: - return "CC-SETUP-REQ"; - case OSMO_CC_MSG_SETUP_IND: - return "CC-SETUP-IND"; - case OSMO_CC_MSG_REJ_REQ: - return "CC-REJ-REQ"; - case OSMO_CC_MSG_REJ_IND: - return "CC-REJ-IND"; - case OSMO_CC_MSG_SETUP_ACK_REQ: - return "CC-SETUP-ACK-REQ"; - case OSMO_CC_MSG_SETUP_ACK_IND: - return "CC-SETUP-ACK-IND"; - case OSMO_CC_MSG_PROC_REQ: - return "CC-PROC-REQ"; - case OSMO_CC_MSG_PROC_IND: - return "CC-PROC-IND"; - case OSMO_CC_MSG_ALERT_REQ: - return "CC-ALERT-REQ"; - case OSMO_CC_MSG_ALERT_IND: - return "CC-ALERT-IND"; - case OSMO_CC_MSG_SETUP_RSP: - return "CC-SETUP-RSP"; - case OSMO_CC_MSG_SETUP_CNF: - return "CC-SETUP-CNF"; - case OSMO_CC_MSG_SETUP_COMP_REQ: - return "CC-SETUP-COMP-REQ"; - case OSMO_CC_MSG_SETUP_COMP_IND: - return "CC-SETUP-COMP-IND"; - case OSMO_CC_MSG_DISC_REQ: - return "CC-DISC-REQ"; - case OSMO_CC_MSG_DISC_IND: - return "CC-DISC-IND"; - case OSMO_CC_MSG_REL_REQ: - return "CC-REL-REQ"; - case OSMO_CC_MSG_REL_CNF: - return "CC-REL-CNF"; - case OSMO_CC_MSG_REL_IND: - return "CC-REL-IND"; - case OSMO_CC_MSG_PROGRESS_REQ: - return "CC-PROGRESS-REQ"; - case OSMO_CC_MSG_PROGRESS_IND: - return "CC-PROGRESS-IND"; - case OSMO_CC_MSG_NOTIFY_REQ: - return "CC-NOTIFY-REQ"; - case OSMO_CC_MSG_NOTIFY_IND: - return "CC-NOTIFY-IND"; - case OSMO_CC_MSG_INFO_REQ: - return "CC-INFO-REQ"; - case OSMO_CC_MSG_INFO_IND: - return "CC-INFO-IND"; - case OSMO_CC_MSG_ATTACH_REQ: - return "CC-ATTACH-REQ"; - case OSMO_CC_MSG_ATTACH_IND: - return "CC-ATTACH-IND"; - case OSMO_CC_MSG_ATTACH_RSP: - return "CC-ATTACH-RSP"; - case OSMO_CC_MSG_ATTACH_CNF: - return "CC-ATTACH-CNF"; - default: - return "<unknown>"; - } -} - -const char *osmo_cc_network_type_name(uint8_t type) -{ - switch (type) { - case OSMO_CC_NETWORK_UNDEFINED: - return ""; - case OSMO_CC_NETWORK_ALSA_NONE: - return "alsa"; - case OSMO_CC_NETWORK_POTS_NONE: - return "pots"; - case OSMO_CC_NETWORK_ISDN_NONE: - return "isdn"; - case OSMO_CC_NETWORK_SIP_NONE: - return "sip"; - case OSMO_CC_NETWORK_GSM_IMSI: - return "gsm-imsi"; - case OSMO_CC_NETWORK_GSM_IMEI: - return "gsm-imei"; - case OSMO_CC_NETWORK_WEB_NONE: - return "web"; - case OSMO_CC_NETWORK_DECT_NONE: - return "decs"; - case OSMO_CC_NETWORK_BLUETOOTH_NONE: - return "bluetooth"; - case OSMO_CC_NETWORK_SS5_NONE: - return "ss5"; - case OSMO_CC_NETWORK_ANETZ_NONE: - return "anetz"; - case OSMO_CC_NETWORK_BNETZ_MUENZ: - return "bnetz"; - case OSMO_CC_NETWORK_CNETZ_NONE: - return "cnetz"; - case OSMO_CC_NETWORK_NMT_NONE: - return "nmt"; - case OSMO_CC_NETWORK_R2000_NONE: - return "radiocom2000"; - case OSMO_CC_NETWORK_AMPS_ESN: - return "amps"; - case OSMO_CC_NETWORK_MTS_NONE: - return "mts"; - case OSMO_CC_NETWORK_IMTS_NONE: - return "imts"; - case OSMO_CC_NETWORK_EUROSIGNAL_NONE: - return "eurosignal"; - case OSMO_CC_NETWORK_JOLLYCOM_NONE: - return "jollycom"; - case OSMO_CC_NETWORK_MPT1327_PSTN: - return "mpt1327-pstn"; - case OSMO_CC_NETWORK_MPT1327_PBX: - return "mpt1327-pbx"; - default: - return "<unknown>"; - } -} - -/* create message with maximum size */ -osmo_cc_msg_t *osmo_cc_new_msg(uint8_t msg_type) -{ - osmo_cc_msg_t *msg; - - /* allocate message */ - msg = calloc(1, sizeof(*msg) + 65535); - if (!msg) { - PDEBUG(DCC, DEBUG_ERROR, "No memory\n"); - abort(); - } - /* set message type and zero length */ - msg->type = msg_type; - msg->length_networkorder = htons(0); - - return msg; -} - -/* clone message */ -osmo_cc_msg_t *osmo_cc_clone_msg(osmo_cc_msg_t *msg) -{ - osmo_cc_msg_t *new_msg; - - new_msg = osmo_cc_new_msg(msg->type); - new_msg->length_networkorder = msg->length_networkorder; - memcpy(new_msg->data, msg->data, ntohs(msg->length_networkorder)); - - return new_msg; -} - -osmo_cc_msg_t *osmo_cc_msg_list_dequeue(osmo_cc_msg_list_t **mlp, uint32_t *callref_p) -{ - osmo_cc_msg_list_t *ml; - osmo_cc_msg_t *msg; - - ml = *mlp; - msg = ml->msg; - if (callref_p) - *callref_p = ml->callref; - *mlp = ml->next; - free(ml); - - return msg; -} - -osmo_cc_msg_list_t *osmo_cc_msg_list_enqueue(osmo_cc_msg_list_t **mlp, osmo_cc_msg_t *msg, uint32_t callref) -{ - osmo_cc_msg_list_t *ml; - - ml = calloc(1, sizeof(*ml)); - ml->msg = msg; - ml->callref = callref; - while (*mlp) - mlp = &((*mlp)->next); - *mlp = ml; - - return ml; -} - -/* destroy message */ -void osmo_cc_free_msg(osmo_cc_msg_t *msg) -{ - free(msg); -} - -static void osmo_cc_debug_ie(osmo_cc_msg_t *msg, int level) -{ - uint16_t msg_len, len; - uint8_t *p; - osmo_cc_ie_t *ie; - - msg_len = ntohs(msg->length_networkorder); - p = msg->data; - - PDEBUG(DCC, level, "Debugging Message: type=0x%02x length=%d value=%s\n", msg->type, msg_len, debug_hex(p, msg_len)); - while (msg_len) { - ie = (osmo_cc_ie_t *)p; - /* check for minimum IE length */ - if (msg_len < sizeof(*ie)) { - PDEBUG(DCC, level, "****** Rest of message is too short for an IE: value=%s\n", debug_hex(p, msg_len)); - return; - } - /* get actual IE length */ - len = ntohs(ie->length_networkorder); - /* check if IE length does not exceed message */ - if (msg_len < sizeof(*ie) + len) { - PDEBUG(DCC, level, "****** IE: type=0x%02x length=%d would exceed the rest length of message (%d bytes left)\n", ie->type, len, msg_len - (int)sizeof(*ie)); - return; - } - PDEBUG(DCC, level, "IE: type=0x%02x length=%d value=%s\n", ie->type, len, debug_hex(ie->data, len)); - p += sizeof(*ie) + len; - msg_len -= sizeof(*ie) + len; - } -} - -/* search and return information element - * we give the IE type we are searching for - * we also give the repetition, to find IE that is repeated - * the result is stored in *ie_data - * the return length is the length that exceeds the given ie_len - * if there is an error, a value < 0 is returned - */ -int osmo_cc_get_ie_struct(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_repeat, int ie_len, const osmo_cc_ie_t **ie_struct) -{ - uint16_t msg_len, len; - uint8_t *p; - osmo_cc_ie_t *ie; - - msg_len = ntohs(msg->length_networkorder); - p = msg->data; - - while (msg_len) { - ie = (osmo_cc_ie_t *)p; - /* check for minimum IE length */ - if (msg_len < sizeof(*ie)) { - PDEBUG(DCC, DEBUG_ERROR, "MSG short read\n"); - osmo_cc_debug_ie(msg, DEBUG_ERROR); - return -EINVAL; - } - /* get actual IE length */ - len = ntohs(ie->length_networkorder); - /* check if IE length does not exceed message */ - if (msg_len < sizeof(*ie) + len) { - PDEBUG(DCC, DEBUG_ERROR, "MSG short read\n"); - osmo_cc_debug_ie(msg, DEBUG_ERROR); - return -EINVAL; - } - /* check if IE matches the one that is searched for */ - if (ie->type != ie_type) { - p += sizeof(*ie) + len; - msg_len -= sizeof(*ie) + len; - continue; - } - /* check if IE repetition exists */ - if (ie_repeat) { - --ie_repeat; - p += sizeof(*ie) + len; - msg_len -= sizeof(*ie) + len; - continue; - } - /* return IE and indicate how many bytes we have more than the given length*/ - if (ntohs(ie->length_networkorder) < ie_len) { - PDEBUG(DCC, DEBUG_ERROR, "IE 0x%02d has length of %d, but we expect it to have at least %d!\n", ie_type, ntohs(ie->length_networkorder), ie_len); - return -EINVAL; - } - *ie_struct = ie; - return ntohs(ie->length_networkorder) - ie_len; - } - - /* IE not found */ - return -EINVAL; -} - -/* as above, but return data of IE only */ -int osmo_cc_get_ie_data(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_repeat, int ie_len, const void **ie_data) -{ - const osmo_cc_ie_t *ie; - int rc; - - rc = osmo_cc_get_ie_struct(msg, ie_type, ie_repeat, ie_len, &ie); - if (rc >= 0) - *ie_data = ie->data; - - return rc; -} - -/* as above, but return 1 if IE exists */ -int osmo_cc_has_ie(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_repeat) -{ - const osmo_cc_ie_t *ie; - int rc; - - rc = osmo_cc_get_ie_struct(msg, ie_type, ie_repeat, 0, &ie); - if (rc >= 0) - return 1; - - return 0; -} - -/* remove IE from message */ -int osmo_cc_remove_ie(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_repeat) -{ - const osmo_cc_ie_t *ie; - int rc; - int msg_len, before_ie, ie_size, after_ie; - - rc = osmo_cc_get_ie_struct(msg, ie_type, ie_repeat, 0, &ie); - if (rc < 0) - return rc; - - msg_len = ntohs(msg->length_networkorder); - before_ie = (void *)ie - (void *)msg->data; - ie_size = sizeof(*ie) + ntohs(ie->length_networkorder); - after_ie = msg_len - ie_size - before_ie; - if (after_ie) - memcpy(msg->data + before_ie, msg->data + before_ie + ie_size, after_ie); - msg->length_networkorder = htons(msg_len - ie_size); - - return 0; -} - -/* add information element - * the type is given by ie_type and length is given by ie_len - * the return value is a pointer to the data of the IE - */ -void *osmo_cc_add_ie(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_len) -{ - uint16_t msg_len; - int new_msg_len; - uint8_t *p; - osmo_cc_ie_t *ie; - - /* get pointer to first IE, if any */ - p = msg->data; - /* expand messasge */ - msg_len = ntohs(msg->length_networkorder); - new_msg_len = msg_len + sizeof(*ie) + ie_len; - if (new_msg_len > 65535) { - PDEBUG(DCC, DEBUG_ERROR, "MSG overflow\n"); - return NULL; - } - msg->length_networkorder = htons(new_msg_len); - /* go to end of (unexpanded) message */ - ie = (osmo_cc_ie_t *)(p + msg_len); - /* add ie */ - ie->type = ie_type; - ie->length_networkorder = htons(ie_len); - memset(ie->data, 0, ie_len); /* just in case there is something, but it shouldn't */ - - return ie->data; -} - -/* gets the information element's data that *iep points to and returns that ie. - * if *iep points to msg->data, the first IE's data is returned. (must be set before first call.) - * if *iep points to the end of the message, NULL is returned. - * if there is no next IE, *iep is set to point to the end of message. - */ -void *osmo_cc_msg_sep_ie(osmo_cc_msg_t *msg, void **iep, uint8_t *ie_type, uint16_t *ie_length) -{ - uint16_t msg_len; - osmo_cc_ie_t *ie; - - /* in case that *iep points to start of message, make it point to first IE */ - if (*iep == msg) - *iep = msg->data; - /* case IE */ - ie = *iep; - /* check if it is NULL */ - if (ie == NULL) - return NULL; - /* check if it points to the end of message or there is not at least an IE header */ - msg_len = ntohs(msg->length_networkorder); - if ((int)((uint8_t *)ie - msg->data) > (int)(msg_len - sizeof(*ie))) - return NULL; - /* increment iep and return IE */ - *ie_type = ie->type; - *ie_length = ntohs(ie->length_networkorder); - *iep = (uint8_t *)ie + sizeof(*ie) + *ie_length; - return ie->data; -} - -/* copy given block to given string with given size */ -static void _ie2string(char *string, size_t string_size, const char *ie_string, int ie_size) -{ - int copy_size; - - copy_size = string_size - 1; - if (ie_size < copy_size) - copy_size = ie_size; - memcpy(string, ie_string, copy_size); - string[copy_size] = '\0'; -} - -/* helper to encode called party number (dialing) */ -void osmo_cc_add_ie_called(osmo_cc_msg_t *msg, uint8_t type, uint8_t plan, const char *dialing) -{ - struct osmo_cc_ie_called *ie_called; - - ie_called = osmo_cc_add_ie(msg, OSMO_CC_IE_CALLED, sizeof(*ie_called) + strlen(dialing)); - ie_called->type = type; - ie_called->plan = plan; - memcpy(ie_called->digits, dialing, strlen(dialing)); -} - -/* helper to decode called party number (dialing) */ -int osmo_cc_get_ie_called(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, uint8_t *plan, char *dialing, size_t dialing_size) -{ - struct osmo_cc_ie_called *ie_called; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CALLED, ie_repeat, sizeof(*ie_called), (const void **)&ie_called); - if (rc < 0) - return rc; - *type = ie_called->type; - *plan = ie_called->plan; - _ie2string(dialing, dialing_size, ie_called->digits, rc); - return rc; -} - -/* helper to encode called party sub address (dialing) */ -void osmo_cc_add_ie_called_sub(osmo_cc_msg_t *msg, uint8_t type, const char *dialing) -{ - struct osmo_cc_ie_called_sub *ie_called_sub; - - ie_called_sub = osmo_cc_add_ie(msg, OSMO_CC_IE_CALLED_SUB, sizeof(*ie_called_sub) + strlen(dialing)); - ie_called_sub->type = type; - memcpy(ie_called_sub->digits, dialing, strlen(dialing)); -} - -/* helper to decode called party sub address (dialing) */ -int osmo_cc_get_ie_called_sub(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, char *dialing, size_t dialing_size) -{ - struct osmo_cc_ie_called_sub *ie_called_sub; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CALLED_SUB, ie_repeat, sizeof(*ie_called_sub), (const void **)&ie_called_sub); - if (rc < 0) - return rc; - *type = ie_called_sub->type; - _ie2string(dialing, dialing_size, ie_called_sub->digits, rc); - return rc; -} - -/* helper to encode called party name (dialing) */ -void osmo_cc_add_ie_called_name(osmo_cc_msg_t *msg, const char *name) -{ - struct osmo_cc_ie_called_name *ie_called_name; - - ie_called_name = osmo_cc_add_ie(msg, OSMO_CC_IE_CALLED_NAME, sizeof(*ie_called_name) + strlen(name)); - memcpy(ie_called_name->name, name, strlen(name)); -} - -/* helper to decode called party name (dialing) */ -int osmo_cc_get_ie_called_name(osmo_cc_msg_t *msg, int ie_repeat, char *name, size_t name_size) -{ - struct osmo_cc_ie_called_name *ie_called_name; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CALLED_NAME, ie_repeat, sizeof(*ie_called_name), (const void **)&ie_called_name); - if (rc < 0) - return rc; - _ie2string(name, name_size, ie_called_name->name, rc); - return rc; -} - -/* helper to encode called interface name */ -void osmo_cc_add_ie_called_interface(osmo_cc_msg_t *msg, const char *interface) -{ - struct osmo_cc_ie_called_interface *ie_interface; - - ie_interface = osmo_cc_add_ie(msg, OSMO_CC_IE_CALLED_INTERFACE, sizeof(*ie_interface) + strlen(interface)); - memcpy(ie_interface->name, interface, strlen(interface)); -} - -/* helper to decode called interface name */ -int osmo_cc_get_ie_called_interface(osmo_cc_msg_t *msg, int ie_repeat, char *interface, size_t interface_size) -{ - struct osmo_cc_ie_called_interface *ie_interface; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CALLED_INTERFACE, ie_repeat, sizeof(*ie_interface), (const void **)&ie_interface); - if (rc < 0) - return rc; - _ie2string(interface, interface_size, ie_interface->name, rc); - return rc; -} - -/* helper to encode complete IE */ -void osmo_cc_add_ie_complete(osmo_cc_msg_t *msg) -{ - osmo_cc_add_ie(msg, OSMO_CC_IE_COMPLETE, 0); -} - -/* helper to decode complete IE */ -int osmo_cc_get_ie_complete(osmo_cc_msg_t *msg, int ie_repeat) -{ - int rc; - void *ie_complete; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_COMPLETE, ie_repeat, 0, (const void **)&ie_complete); - return rc; -} - -/* helper to encode calling/connected party number (caller ID or connected ID) */ -void osmo_cc_add_ie_calling(osmo_cc_msg_t *msg, uint8_t type, uint8_t plan, uint8_t present, uint8_t screen, const char *callerid) -{ - struct osmo_cc_ie_calling *ie_calling; - - ie_calling = osmo_cc_add_ie(msg, OSMO_CC_IE_CALLING, sizeof(*ie_calling) + strlen(callerid)); - ie_calling->type = type; - ie_calling->plan = plan; - ie_calling->present = present; - ie_calling->screen = screen; - memcpy(ie_calling->digits, callerid, strlen(callerid)); -} - -/* helper to decode calling/connected party number (caller ID or connected ID) */ -int osmo_cc_get_ie_calling(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, uint8_t *plan, uint8_t *present, uint8_t *screen, char *callerid, size_t callerid_size) -{ - struct osmo_cc_ie_calling *ie_calling; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CALLING, ie_repeat, sizeof(*ie_calling), (const void **)&ie_calling); - if (rc < 0) - return rc; - *type = ie_calling->type; - *plan = ie_calling->plan; - *present = ie_calling->present; - *screen = ie_calling->screen; - _ie2string(callerid, callerid_size, ie_calling->digits, rc); - return rc; -} - -/* helper to encode calling/connected sub address (caller ID or connected ID) */ -void osmo_cc_add_ie_calling_sub(osmo_cc_msg_t *msg, uint8_t type, const char *callerid) -{ - struct osmo_cc_ie_calling_sub *ie_calling_sub; - - ie_calling_sub = osmo_cc_add_ie(msg, OSMO_CC_IE_CALLING_SUB, sizeof(*ie_calling_sub) + strlen(callerid)); - ie_calling_sub->type = type; - memcpy(ie_calling_sub->digits, callerid, strlen(callerid)); -} - -/* helper to decode calling/connected sub address (caller ID or connected ID) */ -int osmo_cc_get_ie_calling_sub(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, char *callerid, size_t callerid_size) -{ - struct osmo_cc_ie_calling_sub *ie_calling_sub; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CALLING_SUB, ie_repeat, sizeof(*ie_calling_sub), (const void **)&ie_calling_sub); - if (rc < 0) - return rc; - *type = ie_calling_sub->type; - _ie2string(callerid, callerid_size, ie_calling_sub->digits, rc); - return rc; -} - -/* helper to encode calling/connected name (caller ID or connected ID) */ -void osmo_cc_add_ie_calling_name(osmo_cc_msg_t *msg, const char *name) -{ - struct osmo_cc_ie_calling_name *ie_calling_name; - - ie_calling_name = osmo_cc_add_ie(msg, OSMO_CC_IE_CALLING_NAME, sizeof(*ie_calling_name) + strlen(name)); - memcpy(ie_calling_name->name, name, strlen(name)); -} - -/* helper to decode calling/connected name address (caller ID or connected ID) */ -int osmo_cc_get_ie_calling_name(osmo_cc_msg_t *msg, int ie_repeat, char *name, size_t name_size) -{ - struct osmo_cc_ie_calling_name *ie_calling_name; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CALLING_NAME, ie_repeat, sizeof(*ie_calling_name), (const void **)&ie_calling_name); - if (rc < 0) - return rc; - _ie2string(name, name_size, ie_calling_name->name, rc); - return rc; -} - -/* helper to encode calling interface name */ -void osmo_cc_add_ie_calling_interface(osmo_cc_msg_t *msg, const char *interface) -{ - struct osmo_cc_ie_calling_interface *ie_interface; - - ie_interface = osmo_cc_add_ie(msg, OSMO_CC_IE_CALLING_INTERFACE, sizeof(*ie_interface) + strlen(interface)); - memcpy(ie_interface->name, interface, strlen(interface)); -} - -/* helper to decode calling interface name */ -int osmo_cc_get_ie_calling_interface(osmo_cc_msg_t *msg, int ie_repeat, char *interface, size_t interface_size) -{ - struct osmo_cc_ie_calling_interface *ie_interface; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CALLING_INTERFACE, ie_repeat, sizeof(*ie_interface), (const void **)&ie_interface); - if (rc < 0) - return rc; - _ie2string(interface, interface_size, ie_interface->name, rc); - return rc; -} - -/* helper to encode network specific caller/connected ID */ -void osmo_cc_add_ie_calling_network(osmo_cc_msg_t *msg, uint8_t type, const char *networkid) -{ - struct osmo_cc_ie_network *ie_network; - - ie_network = osmo_cc_add_ie(msg, OSMO_CC_IE_CALLING_NETWORK, sizeof(*ie_network) + strlen(networkid)); - ie_network->type = type; - memcpy(ie_network->id, networkid, strlen(networkid)); -} - -/* helper to encode network specific caller/connected ID */ -int osmo_cc_get_ie_calling_network(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, char *networkid, size_t networkid_size) -{ - struct osmo_cc_ie_network *ie_network; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CALLING_NETWORK, ie_repeat, sizeof(*ie_network), (const void **)&ie_network); - if (rc < 0) - return rc; - *type = ie_network->type; - _ie2string(networkid, networkid_size, ie_network->id, rc); - return rc; -} - -/* helper to encode bearer capability */ -void osmo_cc_add_ie_bearer(osmo_cc_msg_t *msg, uint8_t coding, uint8_t capability, uint8_t mode) -{ - struct osmo_cc_ie_bearer *ie_bearer; - - ie_bearer = osmo_cc_add_ie(msg, OSMO_CC_IE_BEARER, sizeof(*ie_bearer)); - ie_bearer->coding = coding; - ie_bearer->capability = capability; - ie_bearer->mode = mode; -} - -/* helper to decode bearer capability */ -int osmo_cc_get_ie_bearer(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *coding, uint8_t *capability, uint8_t *mode) -{ - struct osmo_cc_ie_bearer *ie_bearer; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_BEARER, ie_repeat, sizeof(*ie_bearer), (const void **)&ie_bearer); - if (rc < 0) - return rc; - *coding = ie_bearer->coding; - *capability = ie_bearer->capability; - *mode = ie_bearer->mode; - return rc; -} - -/* helper to encode redirection and redirecting number */ -void osmo_cc_add_ie_redir(osmo_cc_msg_t *msg, uint8_t type, uint8_t plan, uint8_t present, uint8_t screen, uint8_t redir_reason, const char *callerid) -{ - struct osmo_cc_ie_redir *ie_redir; - - ie_redir = osmo_cc_add_ie(msg, OSMO_CC_IE_REDIR, sizeof(*ie_redir) + strlen(callerid)); - ie_redir->type = type; - ie_redir->plan = plan; - ie_redir->present = present; - ie_redir->screen = screen; - ie_redir->redir_reason = redir_reason; - memcpy(ie_redir->digits, callerid, strlen(callerid)); -} - -/* helper to decode redirection and redirecting number */ -int osmo_cc_get_ie_redir(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, uint8_t *plan, uint8_t *present, uint8_t *screen, uint8_t *reason, char *callerid, size_t callerid_size) -{ - struct osmo_cc_ie_redir *ie_redir; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_REDIR, ie_repeat, sizeof(*ie_redir), (const void **)&ie_redir); - if (rc < 0) - return rc; - *type = ie_redir->type; - *plan = ie_redir->plan; - *present = ie_redir->present; - *screen = ie_redir->screen; - *reason = ie_redir->redir_reason; - _ie2string(callerid, callerid_size, ie_redir->digits, rc); - return rc; -} - -/* helper to encode DTMF tones */ -void osmo_cc_add_ie_dtmf(osmo_cc_msg_t *msg, uint8_t duration_ms, uint8_t pause_ms, uint8_t dtmf_mode, const char *digits) -{ - struct osmo_cc_ie_dtmf *ie_dtmf; - - ie_dtmf = osmo_cc_add_ie(msg, OSMO_CC_IE_DTMF, sizeof(*ie_dtmf) + strlen(digits)); - ie_dtmf->duration_ms = duration_ms; - ie_dtmf->pause_ms = pause_ms; - ie_dtmf->dtmf_mode = dtmf_mode; - memcpy(ie_dtmf->digits, digits, strlen(digits)); -} - -/* helper to decode DTMF tones */ -int osmo_cc_get_ie_dtmf(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *duration_ms, uint8_t *pause_ms, uint8_t *dtmf_mode, char *digits, size_t digits_size) -{ - struct osmo_cc_ie_dtmf *ie_dtmf; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_DTMF, ie_repeat, sizeof(*ie_dtmf), (const void **)&ie_dtmf); - if (rc < 0) - return rc; - *duration_ms = ie_dtmf->duration_ms; - *pause_ms = ie_dtmf->pause_ms; - *dtmf_mode = ie_dtmf->dtmf_mode; - _ie2string(digits, digits_size, ie_dtmf->digits, rc); - return rc; -} - -/* helper to encode keypad press */ -void osmo_cc_add_ie_keypad(osmo_cc_msg_t *msg, const char *digits) -{ - struct osmo_cc_ie_keypad *ie_keypad; - - ie_keypad = osmo_cc_add_ie(msg, OSMO_CC_IE_KEYPAD, sizeof(*ie_keypad) + strlen(digits)); - memcpy(ie_keypad->digits, digits, strlen(digits)); -} - -/* helper to decode keypad press */ -int osmo_cc_get_ie_keypad(osmo_cc_msg_t *msg, int ie_repeat, char *digits, size_t digits_size) -{ - struct osmo_cc_ie_keypad *ie_keypad; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_KEYPAD, ie_repeat, sizeof(*ie_keypad), (const void **)&ie_keypad); - if (rc < 0) - return rc; - _ie2string(digits, digits_size, ie_keypad->digits, rc); - return rc; -} - -/* helper to encode call progress information */ -void osmo_cc_add_ie_progress(osmo_cc_msg_t *msg, uint8_t coding, uint8_t location, uint8_t progress) -{ - struct osmo_cc_ie_progress *ie_progress; - - ie_progress = osmo_cc_add_ie(msg, OSMO_CC_IE_PROGRESS, sizeof(*ie_progress)); - ie_progress->coding = coding; - ie_progress->location = location; - ie_progress->progress = progress; -} - -/* helper to decode call progress information */ -int osmo_cc_get_ie_progress(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *coding, uint8_t *location, uint8_t *progress) -{ - struct osmo_cc_ie_progress *ie_progress; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_PROGRESS, ie_repeat, sizeof(*ie_progress), (const void **)&ie_progress); - if (rc < 0) - return rc; - *coding = ie_progress->coding; - *location = ie_progress->location; - *progress = ie_progress->progress; - return rc; -} - -/* helper to encode notification */ -void osmo_cc_add_ie_notify(osmo_cc_msg_t *msg, uint8_t notify) -{ - struct osmo_cc_ie_notify *ie_notify; - - ie_notify = osmo_cc_add_ie(msg, OSMO_CC_IE_NOTIFY, sizeof(*ie_notify)); - ie_notify->notify = notify; -} - -/* helper to decode notification */ -int osmo_cc_get_ie_notify(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *notify) -{ - struct osmo_cc_ie_notify *ie_notify; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_NOTIFY, ie_repeat, sizeof(*ie_notify), (const void **)&ie_notify); - if (rc < 0) - return rc; - *notify = ie_notify->notify; - return rc; -} - -/* helper to encode cause */ -void osmo_cc_add_ie_cause(osmo_cc_msg_t *msg, uint8_t location, uint8_t isdn_cause, uint16_t sip_cause, uint8_t socket_cause) -{ - struct osmo_cc_ie_cause *ie_cause; - - ie_cause = osmo_cc_add_ie(msg, OSMO_CC_IE_CAUSE, sizeof(*ie_cause)); - ie_cause->location = location; - ie_cause->isdn_cause = isdn_cause; - ie_cause->sip_cause_networkorder = htons(sip_cause); - ie_cause->socket_cause = socket_cause; -} - -/* helper to deccode cause */ -int osmo_cc_get_ie_cause(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *location, uint8_t *isdn_cause, uint16_t *sip_cause, uint8_t *socket_cause) -{ - struct osmo_cc_ie_cause *ie_cause; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_CAUSE, ie_repeat, sizeof(*ie_cause), (const void **)&ie_cause); - if (rc < 0) - return rc; - *location = ie_cause->location; - *isdn_cause = ie_cause->isdn_cause; - *sip_cause = ntohs(ie_cause->sip_cause_networkorder); - *socket_cause = ie_cause->socket_cause; - return rc; -} - -/* helper to encode DISPLAY information */ -void osmo_cc_add_ie_display(osmo_cc_msg_t *msg, const char *text) -{ - struct osmo_cc_ie_display *ie_display; - - ie_display = osmo_cc_add_ie(msg, OSMO_CC_IE_DISPLAY, sizeof(*ie_display) + strlen(text)); - memcpy(ie_display->text, text, strlen(text)); -} - -/* helper to decode DISPLAY information */ -int osmo_cc_get_ie_display(osmo_cc_msg_t *msg, int ie_repeat, char *text, size_t text_size) -{ - struct osmo_cc_ie_display *ie_display; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_DISPLAY, ie_repeat, sizeof(*ie_display), (const void **)&ie_display); - if (rc < 0) - return rc; - _ie2string(text, text_size, ie_display->text, rc); - return rc; -} - -/* helper to encode SDP */ -void osmo_cc_add_ie_sdp(osmo_cc_msg_t *msg, const char *sdp) -{ - struct osmo_cc_ie_sdp *ie_sdp; - - ie_sdp = osmo_cc_add_ie(msg, OSMO_CC_IE_SDP, sizeof(*ie_sdp) + strlen(sdp)); - memcpy(ie_sdp->sdp, sdp, strlen(sdp)); -} - -/* helper to decode SDP */ -int osmo_cc_get_ie_sdp(osmo_cc_msg_t *msg, int ie_repeat, char *sdp, size_t sdp_size) -{ - struct osmo_cc_ie_sdp *ie_sdp; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_SDP, ie_repeat, sizeof(*ie_sdp), (const void **)&ie_sdp); - if (rc < 0) - return rc; - _ie2string(sdp, sdp_size, ie_sdp->sdp, rc); - return rc; -} - -/* helper to encode socket address */ -void osmo_cc_add_ie_socket_address(osmo_cc_msg_t *msg, const char *address) -{ - struct osmo_cc_ie_socket_address *ie_socket_address; - - ie_socket_address = osmo_cc_add_ie(msg, OSMO_CC_IE_SOCKET_ADDRESS, sizeof(*ie_socket_address) + strlen(address)); - memcpy(ie_socket_address->address, address, strlen(address)); -} - -/* helper to decode socket address */ -int osmo_cc_get_ie_socket_address(osmo_cc_msg_t *msg, int ie_repeat, char *address, size_t address_size) -{ - struct osmo_cc_ie_socket_address *ie_socket_address; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_SOCKET_ADDRESS, ie_repeat, sizeof(*ie_socket_address), (const void **)&ie_socket_address); - if (rc < 0) - return rc; - _ie2string(address, address_size, ie_socket_address->address, rc); - return rc; -} - -/* helper to encode private information element */ -void osmo_cc_add_ie_private(osmo_cc_msg_t *msg, uint32_t unique, const uint8_t *data, size_t data_size) -{ - struct osmo_cc_ie_private *ie_private; - - ie_private = osmo_cc_add_ie(msg, OSMO_CC_IE_PRIVATE, sizeof(*ie_private) + data_size); - ie_private->unique_networkorder = htonl(unique); - memcpy(ie_private->data, data, data_size); -} - -/* helper to decode private information element */ -int osmo_cc_get_ie_private(osmo_cc_msg_t *msg, int ie_repeat, uint32_t *unique, uint8_t *data, size_t data_size) -{ - struct osmo_cc_ie_private *ie_private; - int rc; - - rc = osmo_cc_get_ie_data(msg, OSMO_CC_IE_PRIVATE, ie_repeat, sizeof(*ie_private), (const void **)&ie_private); - if (rc < 0) - return rc; - *unique = ntohl(ie_private->unique_networkorder); - memcpy(data, ie_private->data, (rc < (int)data_size) ? rc : (int)data_size); - return rc; -} - |