-/*
- * setspeed - Set the speed.
- */
-static int
-setspeed(arg)
- char *arg;
-{
- char *ptr;
- int spd;
-
- if (no_override && inspeed != 0)
- return 1;
- spd = strtol(arg, &ptr, 0);
- if (ptr == arg || *ptr != 0 || spd == 0)
- return 0;
- if (!no_override || inspeed == 0)
- inspeed = spd;
- return 1;
-}
-
-
-/*
- * setdevname - Set the device name.
- */
-static int
-setdevname(cp)
- char *cp;
-{
- struct stat statbuf;
- char dev[MAXPATHLEN];
-
- if (*cp == 0)
- return 0;
-
- if (strncmp("/dev/", cp, 5) != 0) {
- strlcpy(dev, "/dev/", sizeof(dev));
- strlcat(dev, cp, sizeof(dev));
- cp = dev;
- }
-
- /*
- * Check if there is a character device by this name.
- */
- if (stat(cp, &statbuf) < 0) {
- if (errno == ENOENT)
- return 0;
- option_error("Couldn't stat %s: %m", cp);
- return -1;
- }
- if (!S_ISCHR(statbuf.st_mode)) {
- option_error("%s is not a character device", cp);
- return -1;
- }
-
- if (phase != PHASE_INITIALIZE) {
- option_error("device name cannot be changed after initialization");
- return -1;
- }
- if (no_override) {
- option_error("per-tty options file may not specify device name");
- return -1;
- }
-
- if (devnam_info.priv && !privileged_option) {
- option_error("device name cannot be overridden");
- return -1;
- }
-
- strlcpy(devnam, cp, sizeof(devnam));
- devstat = statbuf;
- default_device = 0;
- devnam_info.priv = privileged_option;
- devnam_info.source = option_source;
-
- return 1;
-}
-
-
-/*
- * setipaddr - Set the IP address
- */
-static int
-setipaddr(arg)
- char *arg;
-{
- struct hostent *hp;
- char *colon;
- u_int32_t local, remote;
- ipcp_options *wo = &ipcp_wantoptions[0];
- static int seen_local = 0, seen_remote = 0;
-
- /*
- * IP address pair separated by ":".
- */
- if ((colon = strchr(arg, ':')) == NULL)
- return 0;
-
- /*
- * If colon first character, then no local addr.
- */
- if (colon != arg && !(no_override && seen_local)) {
- *colon = '\0';
- if ((local = inet_addr(arg)) == (u_int32_t) -1) {
- if ((hp = gethostbyname(arg)) == NULL) {
- option_error("unknown host: %s", arg);
- return -1;
- } else {
- local = *(u_int32_t *)hp->h_addr;
- }
- }
- if (bad_ip_adrs(local)) {
- option_error("bad local IP address %s", ip_ntoa(local));
- return -1;
- }
- if (local != 0)
- wo->ouraddr = local;
- *colon = ':';
- seen_local = 1;
- }
-
- /*
- * If colon last character, then no remote addr.
- */
- if (*++colon != '\0' && !(no_override && seen_remote)) {
- if ((remote = inet_addr(colon)) == (u_int32_t) -1) {
- if ((hp = gethostbyname(colon)) == NULL) {
- option_error("unknown host: %s", colon);
- return -1;
- } else {
- remote = *(u_int32_t *)hp->h_addr;
- if (remote_name[0] == 0)
- strlcpy(remote_name, colon, sizeof(remote_name));
- }
- }
- if (bad_ip_adrs(remote)) {
- option_error("bad remote IP address %s", ip_ntoa(remote));
- return -1;
- }
- if (remote != 0)
- wo->hisaddr = remote;
- seen_remote = 1;
- }
-
- return 1;
-}
-
-
-/*
- * setnetmask - set the netmask to be used on the interface.
- */
-static int
-setnetmask(argv)
- char **argv;
-{
- u_int32_t mask;
- int n;
- char *p;
-
- /*
- * Unfortunately, if we use inet_addr, we can't tell whether
- * a result of all 1s is an error or a valid 255.255.255.255.
- */
- p = *argv;
- n = parse_dotted_ip(p, &mask);
-
- mask = htonl(mask);
-
- if (n == 0 || p[n] != 0 || (netmask & ~mask) != 0) {
- option_error("invalid netmask value '%s'", *argv);
- return 0;
- }
-
- netmask = mask;
- return (1);
-}
-
-int
-parse_dotted_ip(p, vp)
- char *p;
- u_int32_t *vp;
-{
- int n;
- u_int32_t v, b;
- char *endp, *p0 = p;
-
- v = 0;
- for (n = 3;; --n) {
- b = strtoul(p, &endp, 0);
- if (endp == p)
- return 0;
- if (b > 255) {
- if (n < 3)
- return 0;
- /* accept e.g. 0xffffff00 */
- *vp = b;
- return endp - p0;
- }
- v |= b << (n * 8);
- p = endp;
- if (n == 0)
- break;
- if (*p != '.')
- return 0;
- ++p;
- }
- *vp = v;
- return p - p0;
-}
-
projects / ppp.git / commitdiff