183 lines
3.9 KiB
C
183 lines
3.9 KiB
C
#include <confuse.h>
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#include "cw/cw.h"
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#include "cw/mod.h"
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#include "cw/log.h"
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#include "cw/dbg.h"
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#include "cw/action.h"
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#include "mod_cisco.h"
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#include "../modload.h"
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#include "cw/vendors.h"
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#include "cw/capwap_items.h"
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extern int cisco_register_actions80211_ac(struct cw_actiondef *def);
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extern int cisco_register_actions_ac(struct cw_actiondef *def);
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mbag_t cisco_config = NULL;
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static int register_actions(struct cw_actiondef *actions, int mode)
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{
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switch (mode) {
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case CW_MOD_MODE_CAPWAP:
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{
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struct cw_Mod *cmod = modload_ac("cipwap");
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if (!cmod) {
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cw_log(LOG_ERR,
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"Can't initialize mod_cisco, failed to load base mod mod_cipwap");
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return 1;
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}
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cmod->register_actions(actions, CW_MOD_MODE_CAPWAP);
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int rc = cisco_register_actions_ac(actions);
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cw_dbg(DBG_INFO, "Initialized mod_cisco with %d actions", rc);
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return 0;
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}
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case MOD_MODE_BINDINGS:
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{
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struct cw_Mod *cmod = modload_ac("capwap80211");
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if (!cmod) {
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cw_log(LOG_ERR,
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"Can't initialize mod_cisco, failed to load base mod mod_capwap80211");
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return 1;
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}
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cmod->register_actions(actions, MOD_MODE_BINDINGS);
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int rc = cisco_register_actions80211_ac(actions);
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cw_dbg(DBG_INFO, "Initialized mod_cisco 80211 with %d actions", rc);
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return 0;
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}
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}
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return 0;
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}
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static void errfunc(cfg_t *cfg, const char *fmt, va_list ap){
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if (cfg && cfg->filename && cfg->line)
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cw_log(LOG_ERR, "MOD Cisco cfg file in %s:%d: ",
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cfg->filename, cfg->line);
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else if (cfg && cfg->filename)
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cw_log(LOG_ERR, "MOD Cisco cfg file in %s:", cfg->filename);
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}
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static int init()
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{
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int rc = 1;
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cw_dbg(DBG_INFO, "Initialiazing mod_cisco ...");
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cisco_config = mbag_create();
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char * hardware_version = strdup(".x01000001");
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char * software_version = NULL;
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cfg_opt_t opts[] = {
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CFG_SIMPLE_STR("hardware_version", &hardware_version),
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CFG_SIMPLE_STR("software_version",&software_version),
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CFG_END()
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};
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cfg_t *cfg;
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cfg = cfg_init(opts, CFGF_NONE);
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cfg_set_error_function(cfg, errfunc);
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char *filename = "cisco.conf";
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FILE * f = fopen(filename,"r");
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if (f){
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fclose(f);
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if (cfg_parse(cfg, filename)){
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rc = 0;
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goto errX;
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}
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}
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uint8_t * str;
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str = bstr_create_from_cfgstr(hardware_version);
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mbag_set_bstrv(cisco_config, CW_ITEM_AC_HARDWARE_VERSION,
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CW_VENDOR_ID_CISCO,
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bstr_data(str),bstr_len(str)
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);
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free(str);
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if (software_version){
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str = bstr_create_from_cfgstr(software_version);
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mbag_set_bstrv(cisco_config, CW_ITEM_AC_SOFTWARE_VERSION,
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CW_VENDOR_ID_CISCO,
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bstr_data(str),bstr_len(str)
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);
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free(str);
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}
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errX:
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if (hardware_version)
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free (hardware_version);
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if (software_version)
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free(software_version);
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return rc;
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}
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static int detect(struct conn *conn, const uint8_t * rawmsg, int rawlen, int elems_len,
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struct sockaddr *from, int mode)
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{
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int offset = cw_get_hdr_msg_offset(rawmsg);
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const uint8_t *msg_ptr = rawmsg + offset;
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const uint8_t *elems_ptr = cw_get_msg_elems_ptr(msg_ptr);
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const uint8_t *elem;
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/* To detect a Cisco AP we look for any vendor
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* specific payload Cisco identifier */
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cw_foreach_elem(elem, elems_ptr, elems_len) {
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int id = cw_get_elem_id(elem);
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if (id == CAPWAP_ELEM_VENDOR_SPECIFIC_PAYLOAD) {
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uint32_t vendor_id = cw_get_dword(cw_get_elem_data(elem));
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if (vendor_id == CW_VENDOR_ID_CISCO) {
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// conn->actions = &actions;
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if (mode == CW_MOD_MODE_CAPWAP) {
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cw_dbg(DBG_MOD, "CISCO capwap detected: yes");
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} else {
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cw_dbg(DBG_MOD, "CISCO bindings detected: yes");
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}
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return 1;
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}
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}
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}
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if (mode == CW_MOD_MODE_CAPWAP) {
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cw_dbg(DBG_MOD, "CISCO capwap detected: no");
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} else {
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cw_dbg(DBG_MOD, "CISCO bindings detected: no");
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}
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return 0;
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}
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static struct cw_Mod capwap_ac = {
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.name = "cisco",
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.init = init,
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.detect = detect,
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.register_actions = register_actions,
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};
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struct cw_Mod *mod_cisco_ac()
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{
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return &capwap_ac;
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};
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