author | mjm <mjm> | 2002-11-23 21:42:41 (UTC) |
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committer | mjm <mjm> | 2002-11-23 21:42:41 (UTC) |
commit | c93ded2c1256817b9c974c792cd143315b98fff7 (patch) (side-by-side diff) | |
tree | 7de5b3fc8eee930f72c4e3ef662f48948a60d935 /noncore/net/wellenreiter/daemon/source/daemon.cc | |
parent | 4e24ece4607d3b2f9e3252fa561fabaa9cdddd63 (diff) | |
download | opie-c93ded2c1256817b9c974c792cd143315b98fff7.zip opie-c93ded2c1256817b9c974c792cd143315b98fff7.tar.gz opie-c93ded2c1256817b9c974c792cd143315b98fff7.tar.bz2 |
implemented sniffer function in daemon.cc
Diffstat (limited to 'noncore/net/wellenreiter/daemon/source/daemon.cc') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/net/wellenreiter/daemon/source/daemon.cc | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.cc b/noncore/net/wellenreiter/daemon/source/daemon.cc index b3a37b6..1f9e98a 100644 --- a/noncore/net/wellenreiter/daemon/source/daemon.cc +++ b/noncore/net/wellenreiter/daemon/source/daemon.cc @@ -3,26 +3,44 @@ * * $Id$ */ #include "config.hh" #include "daemon.hh" +#include "cardmode.hh" +#include "sniffer.hh" /* Main function of wellenreiterd */ int main(int argc, char **argv) { - int sock, maxfd, guiport=GUIPORT; - char guihost[]="127.0.0.1"; + int sock, maxfd; struct sockaddr_in *cliaddr; socklen_t len=sizeof(struct sockaddr); char buffer[128]; - FILE *fp=stdin; /* Will be replaced with sniffer */ + pcap_t *handletopcap; /* The handle to the libpcap */ + char errbuf[PCAP_ERRBUF_SIZE]; /* The errorbuffer of libpacap */ + struct pcap_pkthdr header; /* The packet header from pcap*/ + const u_char *packet; /* The actual packet content*/ + fd_set rset; fprintf(stderr, "wellenreiterd %s\n\n", VERSION); + /* will be replaced soon, just for max because max is lazy :-) */ + if(card_into_monitormode (SNIFFER_DEVICE, CARD_TYPE_NG) < 0) + { + fprintf(stderr, "Cannot set card into mon mode, aborting\n"); + exit(-1); + } + + /* opening the pcap for sniffing */ + handletopcap = pcap_open_live(SNIFFER_DEVICE, BUFSIZ, 1, 1000, errbuf); +#ifdef HAVE_PCAP_NONBLOCK + pcap_setnonblock(handletopcap, 1, errstr); +#endif + /* Setup socket for incoming commands */ if((sock=commsock(DAEMONADDR, DAEMONPORT)) < 0) { wl_logerr("Cannot setup socket"); exit(-1); } @@ -33,14 +51,14 @@ int main(int argc, char **argv) /* Start main loop */ wl_loginfo("Starting main loop"); while(1) { FD_SET(sock, &rset); - FD_SET(fileno(fp), &rset); - maxfd=sock+fileno(fp)+1; + FD_SET(pcap_fileno(handletopcap), &rset); + maxfd=sock + pcap_fileno(handletopcap) + 1; if(select(maxfd, &rset, NULL, NULL, NULL) < 0) { wl_logerr("Error calling select: %s", strerror(errno)); break; } @@ -52,30 +70,26 @@ int main(int argc, char **argv) { wl_logerr("Cannot read from socket: %s", strerror(errno)); break; } wl_loginfo("Received command from '%s': %s", inet_ntoa(cliaddr->sin_addr), buffer); - /* Pass string to analyze function */ - // sendcomm(guihost, guiport, buffer); + /* will be passed to analyze function */ + fprintf(stderr, "Received command: %s\n", buffer); } - /* Will be replaced with sniffer ... later */ - if(FD_ISSET(fileno(fp), &rset)) + /* Pcap stuff */ + if(FD_ISSET(pcap_fileno(handletopcap), &rset)) { - memset(buffer, 0, sizeof(buffer)); - if(fgets(buffer, sizeof(buffer) - 1, fp) == NULL) - { - wl_logerr("Cannot read from stdin: %s", strerror(errno)); - break; - } - wl_loginfo("Sending command to '%s': %s", GUIADDR, buffer); - /* Send string to GUI */ - sendcomm(guihost, guiport, "%d: %s", 1234, buffer); + /* Grab one single packet */ + packet = pcap_next(handletopcap, &header); + + /* process the packet */ + process_packets(NULL,&header,*&packet); } } close(sock); exit(0); } |