From c5a077f5f97f0262782040b5f20e89a944202eb4 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Tue, 9 Nov 2010 16:58:31 +0100
Subject: 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this interface has long been replaced by GSMTAP on top of UDP, which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
---
gsm-tvoid/src/lib/Makefile.am | 2 -
gsm-tvoid/src/lib/gsmstack.c | 5 --
gsm-tvoid/src/lib/gsmstack.h | 4 --
gsm-tvoid/src/lib/tun.c | 125 ------------------------------------------
gsm-tvoid/src/lib/tun.h | 4 --
5 files changed, 140 deletions(-)
delete mode 100644 gsm-tvoid/src/lib/tun.c
delete mode 100644 gsm-tvoid/src/lib/tun.h
(limited to 'gsm-tvoid')
diff --git a/gsm-tvoid/src/lib/Makefile.am b/gsm-tvoid/src/lib/Makefile.am
index 4f2ba65..382063a 100644
--- a/gsm-tvoid/src/lib/Makefile.am
+++ b/gsm-tvoid/src/lib/Makefile.am
@@ -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
diff --git a/gsm-tvoid/src/lib/gsmstack.c b/gsm-tvoid/src/lib/gsmstack.c
index a46bc87..988689e 100644
--- a/gsm-tvoid/src/lib/gsmstack.c
+++ b/gsm-tvoid/src/lib/gsmstack.c
@@ -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
diff --git a/gsm-tvoid/src/lib/gsmstack.h b/gsm-tvoid/src/lib/gsmstack.h
index a9da102..337293e 100644
--- a/gsm-tvoid/src/lib/gsmstack.h
+++ b/gsm-tvoid/src/lib/gsmstack.h
@@ -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;
diff --git a/gsm-tvoid/src/lib/tun.c b/gsm-tvoid/src/lib/tun.c
deleted file mode 100644
index 2abda90..0000000
--- a/gsm-tvoid/src/lib/tun.c
+++ /dev/null
@@ -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;
-}
diff --git a/gsm-tvoid/src/lib/tun.h b/gsm-tvoid/src/lib/tun.h
deleted file mode 100644
index a7868c4..0000000
--- a/gsm-tvoid/src/lib/tun.h
+++ /dev/null
@@ -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 *);
--
cgit v1.2.3