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/* $Id$ */
/*
* This file is part of ifplugd.
*
* ifplugd 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.
*
* ifplugd 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 ifplugd; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <libdaemon/dlog.h>
#include "interface.h"
#include "svn-revision.h"
int interface_auto_up = 0, interface_do_message = 0;
int verbose = 0;
char *interface = NULL;
int handle(char *iface) {
int fd, r = 0;
interface_status_t s;
if ((fd = socket(PF_INET, SOCK_DGRAM, 0)) < 0)
return -1;
if (verbose > 0) {
printf("%s:\n", iface);
if ((s = interface_detect_beat_ethtool(fd, iface)) == IFSTATUS_ERR)
printf(" SIOCETHTOOL failed (%s)\n", strerror(errno));
else
printf(" SIOCETHTOOL: %s\n", s == IFSTATUS_UP ? "link beat detected" : "unplugged");
if ((s = interface_detect_beat_mii(fd, iface)) == IFSTATUS_ERR)
printf(" SIOCGMIIPHY failed (%s)\n", strerror(errno));
else
printf(" SIOCGMIIPHY: %s\n", s == IFSTATUS_UP ? "link beat detected" : "unplugged");
if ((s = interface_detect_beat_wlan(fd, iface)) == IFSTATUS_ERR)
printf(" Wireless failed.\n");
else
printf(" Wireless: %s\n", s == IFSTATUS_UP ? "link beat detected" : "unplugged");
if ((s = interface_detect_beat_iff(fd, iface)) == IFSTATUS_ERR)
printf(" IFF_RUNNING failed.\n");
else
printf(" IFF_RUNNING: %s\n", s == IFSTATUS_UP ? "link beat detected" : "unplugged");
if ((s = interface_detect_beat_priv(fd, iface)) == IFSTATUS_ERR)
printf(" SIOCDEVPRIVATE failed (%s)\n", strerror(errno));
else
printf(" SIOCDEVPRIVATE: %s\n", s == IFSTATUS_UP ? "link beat detected" : "unplugged");
} else {
if ((s = interface_detect_beat_ethtool(fd, iface)) == IFSTATUS_ERR)
if ((s = interface_detect_beat_mii(fd, iface)) == IFSTATUS_ERR)
if ((s = interface_detect_beat_wlan(fd, iface)) == IFSTATUS_ERR)
s = interface_detect_beat_iff(fd, iface);
switch(s) {
case IFSTATUS_UP:
if (!verbose)
printf("%s: link beat detected\n", iface);
r = 1;
break;
case IFSTATUS_DOWN:
if (!verbose)
printf("%s: unplugged\n", iface);
r = 2;
break;
default:
if (!verbose)
printf("%s: not supported%s\n", iface, getuid() != 0 ? " (Retry as root?)" : "");
r = -1;
break;
}
}
close(fd);
return r;
}
void usage(char *p) {
if (strrchr(p, '/'))
p = strchr(p, '/')+1;
printf("%s [options] [INTERFACE]\n"
" -a --auto Enable interface automatically (%s)\n"
" -q --quiet Quiet behaviour (%s)\n"
" -v --verbose Enable verbosity (%s)\n"
" -h --help Show this help\n"
" -V --version Show version number\n",
p, interface_auto_up ? "on" : "off", verbose < 0 ? "on" : "off", verbose > 0 ? "on" : "off");
}
void parse(int argc, char *argv[]) {
static struct option long_options[] = {
{"auto", no_argument, 0, 'a'},
{"quiet", no_argument, 0, 'q'},
{"verbose", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{0, 0, 0, 0}
};
int option_index = 0;
int help = 0;
for (;;) {
int c;
if ((c = getopt_long(argc, argv, "avhqV", long_options, &option_index)) < 0)
break;
switch (c) {
case 'a' :
interface_auto_up = !interface_auto_up;
break;
case 'v':
verbose++;
break;
case 'q':
verbose--;
break;
case 'h':
help = 1;
break;
case 'V':
#ifdef SVN_REVISION
printf("ifplugstatus "VERSION" (SVN: "SVN_REVISION")\n");
#else
printf("ifplugstatus "VERSION"\n");
#endif
exit(0);
default:
fprintf(stderr, "Unknown parameter.\n");
exit(1);
}
}
if (help) {
usage(argv[0]);
exit(0);
}
if (optind < argc)
interface = argv[optind];
}
int main(int argc, char *argv[]) {
parse(argc, argv);
if (interface) {
int r;
if ((r = handle(interface)) < 0) {
if (verbose == 0)
fprintf(stderr, "Failure (%s)\n", strerror(errno));
return 1;
}
return r+1;
} else {
FILE *f;
char ln[256];
if (!(f = fopen("/proc/net/dev", "r"))) {
fprintf(stderr, "Failed to open /proc/net/dev: %s\n", strerror(errno));
return 1;
}
fgets(ln, sizeof(ln), f);
fgets(ln, sizeof(ln), f);
while (fgets(ln, sizeof(ln), f)) {
char *p, *e;
p = ln+strspn(ln, " \t");
if (!(e = strchr(p, ':'))) {
fprintf(stderr, "Parse failure in /proc/net/dev.\n");
fclose(f);
return 1;
}
*e = 0;
handle(p);
}
fclose(f);
}
return 0;
}
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