Initial commit
Add original ipx-1.1.
This commit is contained in:
Dmitry Podgorny
200
ipx_internal_net.c
Normal file
200
ipx_internal_net.c
Normal file
@@ -0,0 +1,200 @@
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/* Copyright (c) 1995-1996 Caldera, Inc. All Rights Reserved.
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*
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* See file COPYING for details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <errno.h>
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#include <strings.h>
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#include <netinet/in.h>
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#include <netipx/ipx.h>
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#include <linux/if.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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static struct ifreq id;
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static char *progname;
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void
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usage(void)
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{
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fprintf(stderr, "Usage: %s add net_number(hex) node(hex)\n\
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Usage: %s del\n", progname, progname);
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exit(-1);
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}
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int
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map_char_to_val(char dig)
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{
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char digit = tolower(dig);
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if ((digit >= '0') && (digit <= '9')) {
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return digit - '0';
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} else if ((digit >= 'a') && (digit <= 'f')) {
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return (10 + (digit - 'a'));
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} else {
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return 0;
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}
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}
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int
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ipx_add_internal_net(int argc, char **argv)
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{
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struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)&id.ifr_addr;
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int s;
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int result;
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unsigned long netnum;
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char errmsg[80];
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int nodelen;
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char *node;
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char tmpnode[13];
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unsigned char *tout;
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char *tin;
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int i;
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if (argc != 3) {
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usage();
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}
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netnum = strtoul(argv[1], (char **)NULL, 16);
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if ((netnum == 0L) || (netnum == 0xffffffffL)) {
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fprintf(stderr, "%s: Inappropriate network number %08lX\n",
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progname, netnum);
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exit(-1);
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}
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node = argv[2];
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nodelen = strlen(node);
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if (nodelen > 12) {
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fprintf(stderr, "%s: Node length is too long (> 12).\n", progname);
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exit(-1);
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}
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for (i = 0; (i < nodelen) && isxdigit(node[i]); i++)
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;
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if (i < nodelen) {
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fprintf(stderr, "%s: Invalid value in node, must be hex digits.\n",
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progname);
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exit(-1);
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}
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strcpy(tmpnode, "000000000000");
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memcpy(&(tmpnode[12-nodelen]), node, nodelen);
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for (tin = tmpnode, tout = sipx->sipx_node; *tin != '\0'; tin += 2, tout++) {
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*tout = (unsigned char) map_char_to_val(*tin);
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*tout <<= 4;
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*tout |= (unsigned char) map_char_to_val(*(tin+1));
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}
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if ((memcmp(sipx->sipx_node, "\0\0\0\0\0\0\0\0", IPX_NODE_LEN) == 0) ||
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(memcmp(sipx->sipx_node, "\377\377\377\377\377\377", IPX_NODE_LEN) == 0)){
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fprintf(stderr, "%s: Node is invalid.\n", progname);
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exit(-1);
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}
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sipx->sipx_network = htonl(netnum);
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sipx->sipx_type = IPX_FRAME_NONE;
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sipx->sipx_special = IPX_INTERNAL;
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s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
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if (s < 0) {
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sprintf(errmsg, "%s: socket", progname);
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perror(errmsg);
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exit(-1);
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}
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sipx->sipx_family = AF_IPX;
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sipx->sipx_action = IPX_CRTITF;
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i = 0;
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do {
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result = ioctl(s, SIOCSIFADDR, &id);
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i++;
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} while ((i < 5) && (result < 0) && (errno == EAGAIN));
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if (result == 0) exit(0);
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switch (errno) {
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case EEXIST:
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fprintf(stderr, "%s: Primary network already selected.\n",
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progname);
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break;
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case EADDRINUSE:
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fprintf(stderr, "%s: Network number (%08X) already in use.\n",
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progname, htonl(sipx->sipx_network));
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break;
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case EAGAIN:
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fprintf(stderr,
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"%s: Insufficient memory to create internal net.\n",
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progname);
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break;
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default:
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sprintf(errmsg, "%s: ioctl", progname);
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perror(errmsg);
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break;
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}
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exit(-1);
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}
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int
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ipx_del_internal_net(int argc, char **argv)
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{
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struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)&id.ifr_addr;
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int s;
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int result;
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char errmsg[80];
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if (argc != 1) {
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usage();
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}
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sipx->sipx_network = 0L;
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sipx->sipx_special = IPX_INTERNAL;
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s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
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if (s < 0) {
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sprintf(errmsg, "%s: socket", progname);
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perror(errmsg);
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exit(-1);
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}
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sipx->sipx_family = AF_IPX;
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sipx->sipx_action = IPX_DLTITF;
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result = ioctl(s, SIOCSIFADDR, &id);
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if (result == 0) exit(0);
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switch (errno) {
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case ENOENT:
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fprintf(stderr, "%s: No internal network configured.\n", progname);
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break;
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default:
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sprintf(errmsg, "%s: ioctl", progname);
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perror(errmsg);
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break;
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}
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exit(-1);
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}
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int
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main(int argc, char **argv)
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{
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int i;
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progname = argv[0];
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if (argc < 2) {
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usage();
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exit(-1);
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}
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if (strncasecmp(argv[1], "add", 3) == 0) {
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for (i = 1; i < (argc-1); i++)
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argv[i] = argv[i+1];
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ipx_add_internal_net(argc-1, argv);
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} else if (strncasecmp(argv[1], "del", 3) == 0) {
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for (i = 1; i < (argc-1); i++)
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argv[i] = argv[i+1];
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ipx_del_internal_net(argc-1, argv);
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}
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usage();
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return 0;
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}
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