Remove old 'tun' based interface to wireshark

this interface has long been replaced by GSMTAP on top of UDP, which
is supported in wireshark mainline
This commit is contained in:
Harald Welte 2010-11-09 16:58:31 +01:00
parent aa2ed9259b
commit c5a077f5f9
5 changed files with 0 additions and 140 deletions

View File

@ -51,7 +51,6 @@ _gsm_la_SOURCES = \
mm_f.cc \
gsm_burst_cf.cc \
gsm_burst_sink_c.cc \
tun.c \
out_pcap.c
@ -83,7 +82,6 @@ grinclude_HEADERS = \
gsm_burst_cf.h \
gsm_burst_sink_c.h \
gsm_constants.h \
tun.h \
out_pcap.h \
gsmtap.h

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@ -72,10 +72,6 @@ GS_new(GS_CTX *ctx)
ctx->fn = -1;
ctx->bsic = -1;
ctx->tun_fd = mktun("gsm", ctx->ether_addr);
if (ctx->tun_fd < 0)
fprintf(stderr, "cannot open 'gsm' tun device, did you create it?\n");
ctx->pcap_fd = open_pcap_file("tvoid.pcap");
if (ctx->pcap_fd < 0)
fprintf(stderr, "cannot open PCAP file: %s\n", strerror(errno));
@ -165,7 +161,6 @@ GS_process(GS_CTX *ctx, int ts, int type, const unsigned char *src)
//DEBUGF("OK TS %d, len %d\n", ts, len);
out_gsmdecode(0, 0, ts, ctx->fn - 4, data, len);
write_interface(ctx->tun_fd, data+1, len-1, ctx->ether_addr);
write_pcap_packet(ctx->pcap_fd, 0 /* arfcn */, ts, ctx->fn,
0, NORMAL, data, len);
#if 0

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@ -6,7 +6,6 @@
extern "C" {
#endif
#include <linux/if_ether.h>
#include "interleave.h"
struct gs_ts_ctx {
@ -26,9 +25,6 @@ typedef struct
struct gs_ts_ctx ts_ctx[8];
int tun_fd;
unsigned char ether_addr[ETH_ALEN];
int pcap_fd;
int burst_pcap_fd;
} GS_CTX;

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@ -1,125 +0,0 @@
// $Id: tun.cc,v 1.2 2007-07-07 16:31:42 jl Exp $
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <libgen.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <linux/if_tun.h>
#include <linux/if.h>
#include <linux/if_ether.h>
#include <arpa/inet.h>
int mktun(const char *chan_name, unsigned char *ether_addr) {
struct ifreq ifr;
// struct ifreq ifw;
char if_name[IFNAMSIZ];
int fd, one = 1;
// int sd;
// construct TUN interface
if((fd = open("/dev/net/tun", O_RDWR)) == -1) {
perror("open");
return -1;
}
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
snprintf(ifr.ifr_name, IFNAMSIZ, "%s", chan_name);
if(ioctl(fd, TUNSETIFF, (void *)&ifr) == -1) {
perror("TUNSETIFF");
close(fd);
return -1;
}
// save actual name
memcpy(if_name, ifr.ifr_name, IFNAMSIZ);
// get ether addr
memset(&ifr, 0, sizeof(ifr));
memcpy(ifr.ifr_name, if_name, IFNAMSIZ);
if(ioctl(fd, SIOCGIFHWADDR, (void *)&ifr) == -1) {
perror("SIOCGIFHWADDR");
close(fd);
return -1;
}
memcpy(ether_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
// set persistent
if(ioctl(fd, TUNSETPERSIST, (void *)&one) == -1) {
perror("TUNSETPERSIST");
close(fd);
return -1;
}
// set interface up
/* XXX must be root
if((sd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
perror("socket");
close(fd);
return -1;
}
// get current flags
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, if_name, IFNAMSIZ - 1);
if(ioctl(sd, SIOCGIFFLAGS, &ifr) == -1) {
perror("SIOCGIFFLAGS");
close(sd);
close(fd);
return -1;
}
// set up
memset(&ifw, 0, sizeof(ifw));
strncpy(ifw.ifr_name, if_name, IFNAMSIZ - 1);
ifw.ifr_flags = ifr.ifr_flags | IFF_UP | IFF_RUNNING;
if(ioctl(sd, SIOCSIFFLAGS, &ifw) == -1) {
perror("SIOCSIFFLAGS");
close(sd);
close(fd);
return -1;
}
close(sd);
*/
return fd;
}
static inline int min(int a, int b) {
return (a < b)? a : b;
}
static const unsigned int DEFAULT_MTU = 1500;
static const unsigned short ether_type = 0xfed5; // current dtap ethertype
int write_interface(int fd, unsigned char *data, unsigned int data_len,
unsigned char *ether_addr) {
unsigned char frame[DEFAULT_MTU]; // XXX buffer overflow?
struct ethhdr eh;
if(fd < 0)
return data_len;
memcpy(eh.h_dest, ether_addr, ETH_ALEN);
memcpy(eh.h_source, ether_addr, ETH_ALEN);
eh.h_proto = htons(ether_type);
memcpy(frame, &eh, sizeof(eh));
memcpy(frame + sizeof(eh), data,
min(data_len, sizeof(frame) - sizeof(eh)));
if(write(fd, frame, sizeof(eh) + data_len) == -1) {
perror("write");
return -1;
}
return data_len;
}

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@ -1,4 +0,0 @@
// $Id: tun.h,v 1.1.1.1 2007-06-01 04:26:57 jl Exp $
int mktun(const char *, unsigned char *);
int write_interface(int, unsigned char *, unsigned int, unsigned char *);