diff options
Diffstat (limited to 'src/iwapi.c')
| -rw-r--r-- | src/iwapi.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/src/iwapi.c b/src/iwapi.c deleted file mode 100644 index 98b1dec..0000000 --- a/src/iwapi.c +++ /dev/null @@ -1,241 +0,0 @@ -/* $Id$ */ - -/* - * This file is part of waproamd. - * - * waproamd 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 2 of the License, or - * (at your option) any later version. - * - * waproamd 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 waproamd; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -#include <net/if_arp.h> -#include <errno.h> -#include <assert.h> -#include <string.h> -#include <sys/ioctl.h> - -#include <libdaemon/dlog.h> -#include "iwapi.h" - -int iw_set_essid(struct interface *i, const char* essid) { - struct iwreq req; - char e[IW_ESSID_MAX_SIZE + 1]; - - memset(&req, 0, sizeof(req)); - strncpy(req.ifr_ifrn.ifrn_name, i->name, IFNAMSIZ); - - if (essid && *essid) { - memset(&e, 0, sizeof(e)); - strncpy(e, essid, IW_ESSID_MAX_SIZE); - - req.u.essid.pointer = e; - req.u.essid.length = strlen(essid) + 1; - req.u.essid.flags = 1; - } - - if (ioctl(i->fd, SIOCSIWESSID, &req) < 0) { - daemon_log(LOG_ERR, "ioctl(SIOCSIWESSID): %s\n", strerror(errno)); - return -1; - } - - return 0; -} - -int iw_set_mode(struct interface *i, int m) { - struct iwreq req; - - memset(&req, 0, sizeof(req)); - strncpy(req.ifr_ifrn.ifrn_name, i->name, IFNAMSIZ); - req.u.mode = m; - - if (ioctl(i->fd, SIOCSIWMODE, &req) < 0) { - daemon_log(LOG_ERR, "ioctl(SIOCSIWMODE): %s\n", strerror(errno)); - return -1; - } - - return 0; -} - -int iw_set_freq(struct interface *i, struct iw_freq *f) { - struct iwreq req; - - memset(&req, 0, sizeof(req)); - strncpy(req.ifr_ifrn.ifrn_name, i->name, IFNAMSIZ); - req.u.freq = *f; - - if (ioctl(i->fd, SIOCSIWFREQ, &req) < 0) { - daemon_log(LOG_ERR, "ioctl(SIOCSIWFREQ): %s\n", strerror(errno)); - return -1; - } - - return 0; -} - -int iw_set_ap(struct interface *i, struct hw_addr *ap) { - struct iwreq req; - - memset(&req, 0, sizeof(req)); - strncpy(req.ifr_ifrn.ifrn_name, i->name, IFNAMSIZ); - - req.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(req.u.ap_addr.sa_data, ap->addr, ETH_ALEN); - - if (ioctl(i->fd, SIOCSIWAP, &req) < 0) { - daemon_log(LOG_ERR, "ioctl(SIOCSIWAP): %s\n", strerror(errno)); - return -1; - } - - return 0; -} - -int iw_scan(struct interface *i) { - struct iwreq req; - - memset(&req, 0, sizeof(req)); - strncpy(req.ifr_ifrn.ifrn_name, i->name, IFNAMSIZ); - - req.u.param.flags = IW_SCAN_DEFAULT; - req.u.param.value = 0; - - if (ioctl(i->fd, SIOCSIWSCAN, &req) < 0) { - daemon_log(LOG_ERR, "ioctl(SIOCSIWSCAN): %s\n", strerror(errno)); - return -1; - } - - return 0; -} - - -int iw_scan_result(struct interface *i, int (*callback)(struct ap_info* ap)) { - struct ap_info ap; - int f, l, hs; - struct iwreq req; - struct iw_event *e; - uint8_t buffer[IW_SCAN_MAX_DATA]; - - assert(i && callback); - - memset(&req, 0, sizeof(req)); - strncpy(req.ifr_ifrn.ifrn_name, i->name, IFNAMSIZ); - - req.u.data.pointer = buffer; - req.u.data.flags = 0; - req.u.data.length = sizeof(buffer); - - if (ioctl(i->fd, SIOCGIWSCAN, &req) < 0) { - if (errno == EAGAIN) - return 1; - - daemon_log(LOG_ERR, "ioctl(SIOCGIWSCAN): %s\n", strerror(errno)); - return -1; - } - - e = (struct iw_event*) req.u.data.pointer; - l = req.u.data.length; - f = 0; - hs = sizeof(struct iw_event)-sizeof(union iwreq_data); - while (l >= sizeof(struct iw_event)) { - if (e->len < hs) { - daemon_log(LOG_ERR, "Recieved bogus wireless event\n"); - return -1; - } - - if (!f) - memset(&ap, 0, sizeof(ap)); - - switch (e->cmd) { - - case SIOCGIWAP: - - f = 1; - - if (e->len < hs + sizeof(struct sockaddr)) { - daemon_log(LOG_ERR, "Corrupt scan result (1)\n"); - return -1; - } - - memcpy(&ap.ap, e->u.ap_addr.sa_data, ETH_ALEN); - break; - - - case SIOCGIWESSID: - - if (e->len < hs + sizeof(struct iw_point)) { - daemon_log(LOG_ERR, "Corrupt scan result (2)\n"); - return -1; - } - - memset(&ap.essid, 0, sizeof(ap.essid)); - memcpy(&ap.essid, ((uint8_t*) e)+hs+sizeof(struct iw_point), MIN(sizeof(ap.essid)-1, e->len-hs-sizeof(struct iw_point))); - - f |= 2; - - break; - - case SIOCGIWMODE: - - if (e->len < hs + sizeof(__u32)) { - daemon_log(LOG_ERR, "Corrupt scan result (3)\n"); - return -1; - } - - if ((e->u.mode != IW_MODE_INFRA) && (e->u.mode != IW_MODE_MASTER)) - f = 0; // Ignore non-APs - else - f |= 4; - - break; - - case SIOCGIWFREQ: - if (e->len < hs + sizeof(struct iw_freq)) { - daemon_log(LOG_ERR, "Corrupt scan result (4)\n"); - return -1; - } - - memcpy(&ap.freq, &e->u.freq, sizeof(struct iw_freq)); - f |= 8; - break; - } - - if (f == 15) { - - if (callback(&ap) < 0) - return -1; - - f = 0; - } - - - l -= e->len; - e = (struct iw_event*) (((uint8_t*) e) + e->len); - } - return 0; -} - -int iw_tune(struct interface *i, struct ap_info *ap) { - assert(i && ap); - - if (iw_set_mode(i, IW_MODE_INFRA) < 0) - return -1; - - if (iw_set_essid(i, ap->essid) < 0) - return -1; - - if (iw_set_freq(i, &ap->freq) < 0) - return -1; - - if (iw_set_ap(i, &ap->ap) < 0) - return -1; - - return 0; -} |