mars_nwe/ipx-utils
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ipx-utils/ipx_interface.c
Dmitry Podgorny d080e6e7dd ipx_interface: getopt() returns int 
On arm64 board loop with getopt() runs infinitely when returned value is
checked as 'char'. Convert it to int, so -1 is handled properly.
2020-05-29 21:07:44 +03:00

390 lines
8.3 KiB
C
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/* Copyright (c) 1995-1996 Caldera, Inc. All Rights Reserved.
*
* See file COPYING for details.
*/
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <netinet/in.h>
#include <netipx/ipx.h>
#include <linux/if.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
static struct ifreq id;
static char *progname;
void
usage(void)
{
fprintf(stderr, "Usage: %s add [-p] device frame_type [net_number]\n\
Usage: %s del device frame_type\n\
Usage: %s delall\n\
Usage: %s check device frame_type\n", progname, progname, progname, progname);
exit(-1);
}
struct frame_type {
char *ft_name;
unsigned char ft_val;
} frame_types[] = {
{"802.2", IPX_FRAME_8022},
#ifdef IPX_FRAME_TR_8022
{"802.2TR", IPX_FRAME_TR_8022},
#endif
{"802.3", IPX_FRAME_8023},
{"SNAP", IPX_FRAME_SNAP},
{"EtherII", IPX_FRAME_ETHERII}
};
#define NFTYPES (sizeof(frame_types)/sizeof(struct frame_type))
int
lookup_frame_type(char *frame)
{
int j;
for (j = 0; (j < NFTYPES) &&
(strcasecmp(frame_types[j].ft_name, frame));
j++)
;
if (j != NFTYPES)
return j;
fprintf(stderr, "%s: Frame type must be", progname);
for (j = 0; j < NFTYPES; j++) {
fprintf(stderr, "%s%s",
(j == NFTYPES-1) ? " or " : " ",
frame_types[j].ft_name);
}
fprintf(stderr, ".\n");
return -1;
}
int
ipx_add_interface(int argc, char **argv)
{
struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)&id.ifr_addr;
int s;
int result;
unsigned long netnum;
char errmsg[80];
int i, fti = 0;
int c;
sipx->sipx_special = IPX_SPECIAL_NONE;
sipx->sipx_network = 0L;
sipx->sipx_type = IPX_FRAME_NONE;
while ((c = getopt(argc, argv, "p")) > 0) {
switch (c) {
case 'p': sipx->sipx_special = IPX_PRIMARY; break;
}
}
if (((i = (argc - optind)) < 2) || (i > 3)) {
usage();
}
for (i = optind; i < argc; i++) {
switch (i-optind) {
case 0: /* Physical Device - Required */
strcpy(id.ifr_name, argv[i]);
break;
case 1: /* Frame Type - Required */
fti = lookup_frame_type(argv[i]);
if (fti < 0)
exit(-1);
sipx->sipx_type = frame_types[fti].ft_val;
break;
case 2: /* Network Number - Optional */
netnum = strtoul(argv[i], (char **)NULL, 16);
if (netnum == 0xffffffffL) {
fprintf(stderr,
"%s: Inappropriate network number %08lX\n",
progname, netnum);
exit(-1);
}
sipx->sipx_network = htonl(netnum);
break;
}
}
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
if (s < 0) {
sprintf(errmsg, "%s: socket", progname);
perror(errmsg);
exit(-1);
}
i = 0;
sipx->sipx_family = AF_IPX;
sipx->sipx_action = IPX_CRTITF;
do {
result = ioctl(s, SIOCSIFADDR, &id);
i++;
} while ((i < 5) && (result < 0) && (errno == EAGAIN));
if (result == 0) exit(0);
switch (errno) {
case EEXIST:
fprintf(stderr, "%s: Primary network already selected.\n",
progname);
break;
case EADDRINUSE:
fprintf(stderr, "%s: Network number (%08X) already in use.\n",
progname, htonl(sipx->sipx_network));
break;
case EPROTONOSUPPORT:
fprintf(stderr, "%s: Invalid frame type (%s).\n",
progname, frame_types[fti].ft_name);
break;
case ENODEV:
fprintf(stderr, "%s: No such device (%s).\n", progname,
id.ifr_name);
break;
case ENETDOWN:
fprintf(stderr, "%s: Requested device (%s) is down.\n", progname,
id.ifr_name);
break;
case EINVAL:
fprintf(stderr, "%s: Invalid device (%s).\n", progname,
id.ifr_name);
break;
case EAGAIN:
fprintf(stderr,
"%s: Insufficient memory to create interface.\n",
progname);
break;
default:
sprintf(errmsg, "%s: ioctl", progname);
perror(errmsg);
break;
}
exit(-1);
}
int
ipx_delall_interface(int argc, char **argv)
{
struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)&id.ifr_addr;
int s;
int result;
char errmsg[80];
char buffer[80];
char device[20];
char frame_type[20];
int fti;
FILE *fp;
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
if (s < 0) {
sprintf(errmsg, "%s: socket", progname);
perror(errmsg);
exit(-1);
}
fp = fopen("/proc/net/ipx/interface", "r");
if (fp == NULL)
fp = fopen("/proc/net/ipx_interface", "r");
if (fp == NULL) {
fprintf(stderr,
"%s: Unable to open \"/proc/net/ipx_interface.\"\n",
progname);
exit(-1);
}
fgets(buffer, 80, fp);
while (fscanf(fp, "%s %s %s %s %s", buffer, buffer, buffer,
device, frame_type) == 5) {
sipx->sipx_network = 0L;
if (strcasecmp(device, "Internal") == 0) {
sipx->sipx_special = IPX_INTERNAL;
} else {
sipx->sipx_special = IPX_SPECIAL_NONE;
strcpy(id.ifr_name, device);
fti = lookup_frame_type(frame_type);
if (fti < 0) continue;
sipx->sipx_type = frame_types[fti].ft_val;
}
sipx->sipx_action = IPX_DLTITF;
sipx->sipx_family = AF_IPX;
result = ioctl(s, SIOCSIFADDR, &id);
if (result == 0) continue;
switch (errno) {
case EPROTONOSUPPORT:
fprintf(stderr, "%s: Invalid frame type (%s).\n",
progname, frame_type);
break;
case ENODEV:
fprintf(stderr, "%s: No such device (%s).\n",
progname, device);
break;
case EINVAL:
fprintf(stderr, "%s: No such IPX interface %s %s.\n",
progname, device, frame_type);
break;
default:
sprintf(errmsg, "%s: ioctl", progname);
perror(errmsg);
break;
}
}
exit(0);
}
int
ipx_del_interface(int argc, char **argv)
{
struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)&id.ifr_addr;
int s;
int result;
char errmsg[80];
int fti;
if (argc != 3) {
usage();
}
sipx->sipx_network = 0L;
sipx->sipx_special = IPX_SPECIAL_NONE;
strcpy(id.ifr_name, argv[1]);
fti = lookup_frame_type(argv[2]);
if (fti < 0)
exit(-1);
sipx->sipx_type = frame_types[fti].ft_val;
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
if (s < 0) {
sprintf(errmsg, "%s: socket", progname);
perror(errmsg);
exit(-1);
}
sipx->sipx_action = IPX_DLTITF;
sipx->sipx_family = AF_IPX;
result = ioctl(s, SIOCSIFADDR, &id);
if (result == 0) exit(0);
switch (errno) {
case EPROTONOSUPPORT:
fprintf(stderr, "%s: Invalid frame type (%s).\n",
progname, frame_types[fti].ft_name);
break;
case ENODEV:
fprintf(stderr, "%s: No such device (%s).\n", progname,
id.ifr_name);
break;
case EINVAL:
fprintf(stderr, "%s: No such IPX interface %s %s.\n", progname,
id.ifr_name, frame_types[fti].ft_name);
break;
default:
sprintf(errmsg, "%s: ioctl", progname);
perror(errmsg);
break;
}
exit(-1);
}
int
ipx_check_interface(int argc, char **argv)
{
struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)&id.ifr_addr;
int s;
int result;
char errmsg[80];
int fti;
if (argc != 3) {
usage();
}
sipx->sipx_network = 0L;
strcpy(id.ifr_name, argv[1]);
fti = lookup_frame_type(argv[2]);
if (fti < 0)
exit(-1);
sipx->sipx_type = frame_types[fti].ft_val;
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
if (s < 0) {
sprintf(errmsg, "%s: socket", progname);
perror(errmsg);
exit(-1);
}
sipx->sipx_family = AF_IPX;
result = ioctl(s, SIOCGIFADDR, &id);
if (result == 0) {
printf(
"IPX Address for (%s, %s) is %08X:%02X%02X%02X%02X%02X%02X.\n",
argv[1], frame_types[fti].ft_name,
htonl(sipx->sipx_network), sipx->sipx_node[0],
sipx->sipx_node[1], sipx->sipx_node[2],
sipx->sipx_node[3], sipx->sipx_node[4],
sipx->sipx_node[5]);
exit(0);
}
switch (errno) {
case EPROTONOSUPPORT:
fprintf(stderr, "%s: Invalid frame type (%s).\n",
progname, frame_types[fti].ft_name);
break;
case ENODEV:
fprintf(stderr, "%s: No such device (%s).\n", progname,
id.ifr_name);
break;
case EADDRNOTAVAIL:
fprintf(stderr, "%s: No such IPX interface %s %s.\n", progname,
id.ifr_name, frame_types[fti].ft_name);
break;
default:
sprintf(errmsg, "%s: ioctl", progname);
perror(errmsg);
break;
}
exit(-1);
}
int
main(int argc, char **argv)
{
int i;
progname = argv[0];
if (argc < 2) {
usage();
exit(-1);
}
if (strncasecmp(argv[1], "add", 3) == 0) {
for (i = 1; i < (argc-1); i++)
argv[i] = argv[i+1];
ipx_add_interface(argc-1, argv);
} else if (strncasecmp(argv[1], "delall", 6) == 0) {
for (i = 1; i < (argc-1); i++)
argv[i] = argv[i+1];
ipx_delall_interface(argc-1, argv);
} else if (strncasecmp(argv[1], "del", 3) == 0) {
for (i = 1; i < (argc-1); i++)
argv[i] = argv[i+1];
ipx_del_interface(argc-1, argv);
} else if (strncasecmp(argv[1], "check", 5) == 0) {
for (i = 1; i < (argc-1); i++)
argv[i] = argv[i+1];
ipx_check_interface(argc-1, argv);
}
usage();
return 0;
}
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