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Diffstat (limited to 'usr.sbin/pim6dd/config.c')
| -rw-r--r-- | usr.sbin/pim6dd/config.c | 792 |
1 files changed, 0 insertions, 792 deletions
diff --git a/usr.sbin/pim6dd/config.c b/usr.sbin/pim6dd/config.c deleted file mode 100644 index f241287..0000000 --- a/usr.sbin/pim6dd/config.c +++ /dev/null @@ -1,792 +0,0 @@ -/* - * Copyright (c) 1998 by the University of Southern California. - * All rights reserved. - * - * Permission to use, copy, modify, and distribute this software and - * its documentation in source and binary forms for lawful - * purposes and without fee is hereby granted, provided - * that the above copyright notice appear in all copies and that both - * the copyright notice and this permission notice appear in supporting - * documentation, and that any documentation, advertising materials, - * and other materials related to such distribution and use acknowledge - * that the software was developed by the University of Southern - * California and/or Information Sciences Institute. - * The name of the University of Southern California may not - * be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THE UNIVERSITY OF SOUTHERN CALIFORNIA DOES NOT MAKE ANY REPRESENTATIONS - * ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE. THIS SOFTWARE IS - * PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND - * NON-INFRINGEMENT. - * - * IN NO EVENT SHALL USC, OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY - * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER IN CONTRACT, - * TORT, OR OTHER FORM OF ACTION, ARISING OUT OF OR IN CONNECTION WITH, - * THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Other copyrights might apply to parts of this software and are so - * noted when applicable. - */ -/* - * Questions concerning this software should be directed to - * Pavlin Ivanov Radoslavov (pavlin@catarina.usc.edu) - * - * $Id: config.c,v 1.6 2000/02/23 16:10:26 itojun Exp $ - */ -/* - * Part of this program has been derived from mrouted. - * The mrouted program is covered by the license in the accompanying file - * named "LICENSE.mrouted". - * - * The mrouted program is COPYRIGHT 1989 by The Board of Trustees of - * Leland Stanford Junior University. - * - * $FreeBSD$ - */ - -#include "defs.h" -#ifdef HAVE_GETIFADDRS -#include <ifaddrs.h> -#endif - - -/* - * Forward declarations. - */ -static char *next_word __P((char **)); -static int parse_phyint __P((char *s)); -static void add_phaddr __P((struct uvif *v, struct sockaddr_in6 *addr, - struct in6_addr *mask)); -static mifi_t ifname2mifi __P((char *ifname)); -static int wordToOption __P((char *)); -static int parse_filter __P((char *s)); -#if 0 /* not used */ -static int parse_default_source_metric __P((char *)); -static int parse_default_source_preference __P((char *)); -#endif - -/* - * Query the kernel to find network interfaces that are multicast-capable - * and install them in the uvifs array. - */ -void -config_vifs_from_kernel() -{ - register struct uvif *v; - register vifi_t vifi; - struct sockaddr_in6 addr; - struct in6_addr mask, prefix; - short flags; -#ifdef HAVE_GETIFADDRS - struct ifaddrs *ifap, *ifa; -#else - int n; - int num_ifreq = 64; - struct ifconf ifc; - struct ifreq *ifrp, *ifend; -#endif - - total_interfaces = 0; /* The total number of physical interfaces */ - -#ifdef HAVE_GETIFADDRS - if (getifaddrs(&ifap)) - log(LOG_ERR, errno, "getiaddrs"); - - /* - * Loop through all of the interfaces. - */ - for (ifa = ifap; ifa; ifa = ifa->ifa_next) { - /* - * Ignore any interface for an address family other than IPv6. - */ - if (ifa->ifa_addr->sa_family != AF_INET6) { - total_interfaces++; /* Eventually may have IPv6 address later */ - continue; - } - - memcpy(&addr, ifa->ifa_addr, sizeof(struct sockaddr_in6)); - - flags = ifa->ifa_flags; - if ((flags & (IFF_LOOPBACK | IFF_MULTICAST)) != IFF_MULTICAST) - continue; - - /* - * Get netmask of the address. - */ - memcpy(&mask, &((struct sockaddr_in6 *)ifa->ifa_netmask)->sin6_addr, - sizeof(mask)); - - if (IN6_IS_ADDR_LINKLOCAL(&addr.sin6_addr)) { - addr.sin6_scope_id = if_nametoindex(ifa->ifa_name); -#ifdef __KAME__ - /* - * Hack for KAME kernel. Set sin6_scope_id field of a - * link local address and clear the index embedded in - * the address. - */ - /* clear interface index */ - addr.sin6_addr.s6_addr[2] = 0; - addr.sin6_addr.s6_addr[3] = 0; -#endif - } - - /* - * If the address is connected to the same subnet as one already - * installed in the uvifs array, just add the address to the list - * of addresses of the uvif. - */ - for (vifi = 0, v = uvifs; vifi < numvifs; ++vifi, ++v) { - if (strcmp(v->uv_name, ifa->ifa_name) == 0) { - add_phaddr(v, &addr, &mask); - break; - } - } - if (vifi != numvifs) - continue; - - /* - * If there is room in the uvifs array, install this interface. - */ - if (numvifs == MAXMIFS) { - log(LOG_WARNING, 0, "too many ifs, ignoring %s", ifa->ifa_name); - continue; - } - - /* - * Everyone below is a potential vif interface. - * We don't care if it has wrong configuration or not configured - * at all. - */ - total_interfaces++; - - v = &uvifs[numvifs]; - v->uv_flags = 0; - v->uv_metric = DEFAULT_METRIC; - v->uv_admetric = 0; - v->uv_rate_limit = DEFAULT_PHY_RATE_LIMIT; - v->uv_dst_addr = allpim6routers_group; - v->uv_prefix.sin6_addr = prefix; - v->uv_subnetmask = mask; - strncpy(v->uv_name, ifa->ifa_name, IFNAMSIZ); - v->uv_ifindex = if_nametoindex(v->uv_name); - v->uv_groups = (struct listaddr *)NULL; - v->uv_dvmrp_neighbors = (struct listaddr *)NULL; - NBRM_CLRALL(v->uv_nbrmap); - v->uv_querier = (struct listaddr *)NULL; - v->uv_prune_lifetime = 0; - v->uv_acl = (struct vif_acl *)NULL; - v->uv_leaf_timer = 0; - v->uv_addrs = (struct phaddr *)NULL; - v->uv_filter = (struct vif_filter *)NULL; - v->uv_pim_hello_timer = 0; - v->uv_gq_timer = 0; - v->uv_pim_neighbors = (struct pim_nbr_entry *)NULL; - v->uv_local_pref = default_source_preference; - v->uv_local_metric = default_source_metric; - add_phaddr(v, &addr, &mask); - - if (flags & IFF_POINTOPOINT) - v->uv_flags |= (VIFF_REXMIT_PRUNES | VIFF_POINT_TO_POINT); - log(LOG_INFO, 0, - "installing %s as if #%u - rate=%d", - v->uv_name, numvifs, v->uv_rate_limit); - ++numvifs; - - /* - * If the interface is not yet up, set the vifs_down flag to - * remind us to check again later. - */ - if (!(flags & IFF_UP)) { - v->uv_flags |= VIFF_DOWN; - vifs_down = TRUE; - } - } - - freeifaddrs(ifap); -#else /* !HAVE_GETIFADDRS */ - ifc.ifc_len = num_ifreq * sizeof(struct ifreq); - ifc.ifc_buf = calloc(ifc.ifc_len, sizeof(char)); - while (ifc.ifc_buf) { - caddr_t newbuf; - - if (ioctl(udp_socket, SIOCGIFCONF, (char *)&ifc) < 0) - log(LOG_ERR, errno, "ioctl SIOCGIFCONF"); - - /* - * If the buffer was large enough to hold all the addresses - * then break out, otherwise increase the buffer size and - * try again. - * - * The only way to know that we definitely had enough space - * is to know that there was enough space for at least one - * more struct ifreq. ??? - */ - if ((num_ifreq * sizeof(struct ifreq)) >= - ifc.ifc_len + sizeof(struct ifreq)) - break; - - num_ifreq *= 2; - ifc.ifc_len = num_ifreq * sizeof(struct ifreq); - newbuf = realloc(ifc.ifc_buf, ifc.ifc_len); - if (newbuf == NULL) - free(ifc.ifc_buf); - ifc.ifc_buf = newbuf; - } - if (ifc.ifc_buf == NULL) - log(LOG_ERR, 0, "config_vifs_from_kernel: ran out of memory"); - - ifrp = (struct ifreq *)ifc.ifc_buf; - ifend = (struct ifreq *)(ifc.ifc_buf + ifc.ifc_len); - /* - * Loop through all of the interfaces. - */ - for (; ifrp < ifend; ifrp = (struct ifreq *)((char *)ifrp + n)) { - struct ifreq ifr; - struct in6_ifreq ifr6; -#ifdef HAVE_SA_LEN - n = ifrp->ifr_addr.sa_len + sizeof(ifrp->ifr_name); - if (n < sizeof(*ifrp)) - n = sizeof(*ifrp); -#else - n = sizeof(*ifrp); -#endif /* HAVE_SA_LEN */ - - /* - * Ignore any interface for an address family other than IPv6. - */ - if (ifrp->ifr_addr.sa_family != AF_INET6) { - total_interfaces++; /* Eventually may have IPv6 address later */ - continue; - } - - memcpy(&addr, &ifrp->ifr_addr, sizeof(struct sockaddr_in6)); - - /* - * Need a template to preserve address info that is - * used below to locate the next entry. (Otherwise, - * SIOCGIFFLAGS stomps over it because the requests - * are returned in a union.) - */ - memcpy(ifr.ifr_name, ifrp->ifr_name, sizeof(ifr.ifr_name)); - memcpy(ifr6.ifr_name, ifrp->ifr_name, sizeof(ifr6.ifr_name)); - - /* - * Ignore loopback interfaces and interfaces that do not - * support multicast. - */ - if (ioctl(udp_socket, SIOCGIFFLAGS, (char *)&ifr) < 0) - log(LOG_ERR, errno, "ioctl SIOCGIFFLAGS for %s", ifr.ifr_name); - flags = ifr.ifr_flags; - if ((flags & (IFF_LOOPBACK | IFF_MULTICAST)) != IFF_MULTICAST) - continue; - - /* - * Get netmask of the address. - */ - ifr6.ifr_addr = *(struct sockaddr_in6 *)&ifrp->ifr_addr; - if (ioctl(udp_socket, SIOCGIFNETMASK_IN6, (char *)&ifr6) < 0) - log(LOG_ERR, errno, "ioctl SIOCGIFNETMASK_IN6 for %s", - ifr6.ifr_name); - memcpy(&mask, &ifr6.ifr_addr.sin6_addr, sizeof(mask)); - - if (IN6_IS_ADDR_LINKLOCAL(&addr.sin6_addr)) { - addr.sin6_scope_id = if_nametoindex(ifrp->ifr_name); -#ifdef __KAME__ - /* - * Hack for KAME kernel. Set sin6_scope_id field of a - * link local address and clear the index embedded in - * the address. - */ - /* clear interface index */ - addr.sin6_addr.s6_addr[2] = 0; - addr.sin6_addr.s6_addr[3] = 0; -#endif - } - - /* - * If the address is connected to the same subnet as one already - * installed in the uvifs array, just add the address to the list - * of addresses of the uvif. - */ - for (vifi = 0, v = uvifs; vifi < numvifs; ++vifi, ++v) { - if (strcmp(v->uv_name, ifr.ifr_name) == 0) { - add_phaddr(v, &addr, &mask); - break; - } - } - if (vifi != numvifs) - continue; - - /* - * If there is room in the uvifs array, install this interface. - */ - if (numvifs == MAXMIFS) { - log(LOG_WARNING, 0, "too many ifs, ignoring %s", ifr.ifr_name); - continue; - } - - /* - * Everyone below is a potential vif interface. - * We don't care if it has wrong configuration or not configured - * at all. - */ - total_interfaces++; - - v = &uvifs[numvifs]; - v->uv_flags = 0; - v->uv_metric = DEFAULT_METRIC; - v->uv_admetric = 0; - v->uv_rate_limit = DEFAULT_PHY_RATE_LIMIT; - v->uv_dst_addr = allpim6routers_group; - v->uv_prefix.sin6_addr = prefix; - v->uv_subnetmask = mask; - strncpy(v->uv_name, ifr.ifr_name, IFNAMSIZ); - v->uv_ifindex = if_nametoindex(v->uv_name); - v->uv_groups = (struct listaddr *)NULL; - v->uv_dvmrp_neighbors = (struct listaddr *)NULL; - NBRM_CLRALL(v->uv_nbrmap); - v->uv_querier = (struct listaddr *)NULL; - v->uv_prune_lifetime = 0; - v->uv_acl = (struct vif_acl *)NULL; - v->uv_leaf_timer = 0; - v->uv_addrs = (struct phaddr *)NULL; - v->uv_filter = (struct vif_filter *)NULL; - v->uv_pim_hello_timer = 0; - v->uv_gq_timer = 0; - v->uv_pim_neighbors = (struct pim_nbr_entry *)NULL; - v->uv_local_pref = default_source_preference; - v->uv_local_metric = default_source_metric; - add_phaddr(v, &addr, &mask); - - if (flags & IFF_POINTOPOINT) - v->uv_flags |= (VIFF_REXMIT_PRUNES | VIFF_POINT_TO_POINT); - log(LOG_INFO, 0, - "installing %s as if #%u - rate=%d", - v->uv_name, numvifs, v->uv_rate_limit); - ++numvifs; - - /* - * If the interface is not yet up, set the vifs_down flag to - * remind us to check again later. - */ - if (!(flags & IFF_UP)) { - v->uv_flags |= VIFF_DOWN; - vifs_down = TRUE; - } - } -#endif /* HAVE_GETIFADDRS */ -} - -static void -add_phaddr(v, addr, mask) - struct uvif *v; - struct sockaddr_in6 *addr; - struct in6_addr *mask; -{ - struct phaddr *pa; - int i; - - if ((pa = malloc(sizeof(*pa))) == NULL) - log(LOG_ERR, 0, "add_phaddr: memory exhausted"); - - memset(pa, 0, sizeof(*pa)); - pa->pa_addr = *addr; - pa->pa_subnetmask = *mask; - - /* - * install the prefix of the address derived from the address - * and the mask. - */ - for (i = 0; i < sizeof(struct in6_addr); i++) - pa->pa_prefix.sin6_addr.s6_addr[i] = - addr->sin6_addr.s6_addr[i] & mask->s6_addr[i]; - pa->pa_prefix.sin6_scope_id = addr->sin6_scope_id; - - if (IN6_IS_ADDR_LINKLOCAL(&addr->sin6_addr)) { - if (v->uv_linklocal) { - log(LOG_WARNING, 0, - "add_phaddr: found more than one link-local " - "address on %s", - v->uv_name); - } - v->uv_linklocal = pa; /* relace anyway */ - } - - /* link into chain */ - pa->pa_next = v->uv_addrs; - v->uv_addrs = pa; -} - -static mifi_t -ifname2mifi(ifname) - char *ifname; -{ - mifi_t mifi; - struct uvif *v; - - for (mifi = 0, v = uvifs; mifi < numvifs; ++mifi, ++v) { - if (strcmp(v->uv_name, ifname) == 0) - break; - } - return(mifi); -} - -#define UNKNOWN -1 -#define EMPTY 1 -#define PHYINT 2 -#define DEFAULT_SOURCE_METRIC 3 -#define DEFAULT_SOURCE_PREFERENCE 4 -#define FILTER 5 - -/* - * function name: wordToOption - * input: char *word, a pointer to the word - * output: int; a number corresponding to the code of the word - * operation: converts the result of the string comparisons into numerics. - * comments: called by config_vifs_from_file() - */ -static int -wordToOption(word) - char *word; -{ - if (EQUAL(word, "")) - return EMPTY; - if (EQUAL(word, "phyint")) - return PHYINT; - if (EQUAL(word, "default_source_metric")) - return DEFAULT_SOURCE_METRIC; - if (EQUAL(word, "default_source_preference")) - return DEFAULT_SOURCE_PREFERENCE; - if (EQUAL(word, "filter")) - return FILTER; - return UNKNOWN; -} - -/* - * function name: parse_phyint - * input: char *s, pointing to the parsing point of the file - * output: int (TRUE if the parsing was successful, o.w. FALSE) - * operation: parses the physical interface file configurations, if any. - * The general form is: - * phyint <ifname> [disable] - */ -static int -parse_phyint(s) - char *s; -{ - char *w, c, *ifname; - vifi_t vifi; - struct uvif *v; - u_int n; - - if (EQUAL((w = next_word(&s)), "")) { - log(LOG_WARNING, 0, "Missing phyint in %s", configfilename); - return(FALSE); - } /* if empty */ - ifname = w; - - for (vifi = 0, v = uvifs; vifi < numvifs; ++vifi, ++v) { - if (vifi == numvifs) { - log(LOG_WARNING, 0, - "phyint %s in %s is not a configured interface", - ifname, configfilename); - return(FALSE); - } /* if vifi == numvifs */ - - if (strcmp(v->uv_name, ifname)) - continue; - - while (!EQUAL((w = next_word(&s)), "")) { - if (EQUAL(w, "disable")) - v->uv_flags |= VIFF_DISABLED; - else if (EQUAL(w, "nolistener")) - v->uv_flags |= VIFF_NOLISTENER; - else if(EQUAL(w, "preference")) { - if(EQUAL((w = next_word(&s)), "")) - log(LOG_WARNING, 0, - "Missing preference for phyint %s in %s", - ifname, configfilename); - else if (sscanf(w, "%u%c", &n, &c) != 1 || - n < 1 || n > 255 ) - log(LOG_WARNING, 0, - "Invalid preference '%s' for phyint %s in %s", - w, ifname, - configfilename); - else { - IF_DEBUG(DEBUG_ASSERT) - log(LOG_DEBUG, 0, - "Config setting default local preference on %s to %d.", - ifname, n); - v->uv_local_pref = n; - } - - } else if(EQUAL(w, "metric")) { - if(EQUAL((w = next_word(&s)), "")) - log(LOG_WARNING, 0, - "Missing metric for phyint %s in %s", - ifname, configfilename); - else if (sscanf(w, "%u%c", &n, &c) != 1 || - n < 1 || n > 1024 ) - log(LOG_WARNING, 0, - "Invalid metric '%s' for phyint %s in %s", - w, ifname, - configfilename); - else { - IF_DEBUG(DEBUG_ASSERT) - log(LOG_DEBUG, 0, - "Config setting default local metric on %s to %d.", - ifname, n); - v->uv_local_metric = n; - } - } - } /* if not empty */ - break; - } - return(TRUE); -} - -static int -parse_filter(s) - char *s; -{ - char *w, *groups, *p; - mifi_t mifi; - struct in6_addr grp1, grp2; - if_set filterset; - struct mrtfilter *filter; - int plen = 0, filtertype; - - if (EQUAL((groups = next_word(&s)), "")) { - log(LOG_WARNING, 0, "Missing multicast group in %s", - configfilename); - return(FALSE); - } - - /* - * Group address specification. Valid format are the followings. - * - Group1-Group2: specifies a numerical range of a scope. - * - GroupPrefix/Prefixlen: specifies a prefix of a scope. If the - * Prefixlen is omitted, it means the exact match. - */ - if ((p = strchr(groups, '-')) != NULL) { /* Group1-Group2 */ - char *maddr1, *maddr2; - - maddr1 = groups; - maddr2 = p + 1; - *p = '\0'; - if (inet_pton(AF_INET6, maddr1, (void *)&grp1) != 1 || - !IN6_IS_ADDR_MULTICAST(&grp1)) { - log(LOG_WARNING, 0, "invalid group address %s", maddr1); - return(FALSE); - } - if (inet_pton(AF_INET6, maddr2, (void *)&grp2) != 1 || - !IN6_IS_ADDR_MULTICAST(&grp2)) { - log(LOG_WARNING, 0, "invalid group address %s", maddr2); - return(FALSE); - } - filtertype = FILTER_RANGE; - } - else if ((p = strchr(groups, '/')) != NULL) { /* GroupPrefix/Plen */ - char *mprefix = groups; - int plen = atoi(p + 1); - *p = '\0'; - if (inet_pton(AF_INET6, mprefix, (void *)&grp1) != 1 || - !IN6_IS_ADDR_MULTICAST(&grp1)) { - log(LOG_WARNING, 0, "invalid group prefix %s", mprefix); - return(FALSE); - } - if (plen < 0 || plen > 128) { - log(LOG_WARNING, 0, "invalid prefix length %s", p + 1); - return(FALSE); - } - filtertype = FILTER_PREFIX; - } - else { - if (inet_pton(AF_INET6, groups, (void *)&grp1) != 1) { - log(LOG_WARNING, 0, "invalid group address %s", groups); - return(FALSE); - } - plen = 128; /* exact match */ - filtertype = FILTER_PREFIX; - } - - IF_ZERO(&filterset); - while (!EQUAL((w = next_word(&s)), "")) { - if ((mifi = ifname2mifi(w)) == MAXMIFS) { - /* XXX: scope consideration?? */ - log(LOG_WARNING, 0, - "phyint %s in %s is not a configured interface", - w, configfilename); - return(FALSE); - } - - IF_SET(mifi, &filterset); - } - if (IF_ISEMPTY(&filterset)) { - log(LOG_WARNING, 0, - "filter set is empty. ignore it."); - return(FALSE); - } - - filter = add_filter(filtertype, &grp1, &grp2, plen); - IF_COPY(&filterset, &filter->ifset); - - return(TRUE); -} - -#if 0 /* not used */ -/* - * function name: parse_default_source_metric - * input: char *s - * output: int - * operation: reads and assigns the default source metric, if no reliable - * unicast routing information available. - * General form: - * 'default_source_metric <number>'. - * default pref and metric statements should precede all phyint - * statements in the config file. - */ -static int -parse_default_source_metric(s) - char *s; -{ - char *w; - u_int value; - vifi_t vifi; - struct uvif *v; - - value = DEFAULT_LOCAL_METRIC; - if (EQUAL((w = next_word(&s)), "")) { - log(LOG_WARNING, 0, - "Missing default source metric; set to default %u", - DEFAULT_LOCAL_METRIC); - } else if (sscanf(w, "%u", &value) != 1) { - log(LOG_WARNING, 0, - "Invalid default source metric; set to default %u", - DEFAULT_LOCAL_METRIC); - value = DEFAULT_LOCAL_METRIC; - } - default_source_metric = value; - log(LOG_INFO, 0, "default_source_metric is %u", value); - - for (vifi = 0, v = uvifs; vifi < MAXMIFS; ++vifi, ++v) { - v->uv_local_metric = default_source_metric; - } - - return(TRUE); -} - - -/* - * function name: parse_default_source_preference - * input: char *s - * output: int - * operation: reads and assigns the default source preference, if no reliable - * unicast routing information available. - * General form: - * 'default_source_preference <number>'. - * default pref and metric statements should precede all phyint - * statements in the config file. -*/ -static int -parse_default_source_preference(s) - char *s; -{ - char *w; - u_int value; - vifi_t vifi; - struct uvif *v; - - value = DEFAULT_LOCAL_PREF; - if (EQUAL((w = next_word(&s)), "")) { - log(LOG_WARNING, 0, - "Missing default source preference; set to default %u", - DEFAULT_LOCAL_PREF); - } else if (sscanf(w, "%u", &value) != 1) { - log(LOG_WARNING, 0, - "Invalid default source preference; set to default %u", - DEFAULT_LOCAL_PREF); - value = DEFAULT_LOCAL_PREF; - } - default_source_preference = value; - log(LOG_INFO, 0, "default_source_preference is %u", value); - - for (vifi = 0, v = uvifs; vifi < MAXMIFS; ++vifi, ++v) { - v->uv_local_pref = default_source_preference; - } - - return(TRUE); -} -#endif - -void -config_vifs_from_file() -{ - FILE *f; - char linebuf[100]; - char *w, *s; - int option; - - if ((f = fopen(configfilename, "r")) == NULL) { - if (errno != ENOENT) log(LOG_WARNING, errno, "can't open %s", - configfilename); - return; - } - - while (fgets(linebuf, sizeof(linebuf), f) != NULL) { - s = linebuf; - w = next_word(&s); - option = wordToOption(w); - switch(option) { - case EMPTY: - continue; - break; - case PHYINT: - parse_phyint(s); - break; - case FILTER: - parse_filter(s); - break; - default: - log(LOG_WARNING, 0, "unknown command '%s' in %s", - w, configfilename); - } - } - fclose(f); -} - -static char * -next_word(s) - char **s; -{ - char *w; - - w = *s; - while (*w == ' ' || *w == '\t') - w++; - - *s = w; - for(;;) { - switch (**s) { - case ' ' : - case '\t' : - **s = '\0'; - (*s)++; - return(w); - case '\n' : - case '#' : - **s = '\0'; - return(w); - case '\0' : - return(w); - default : - if (isascii(**s) && isupper(**s)) - **s = tolower(**s); - (*s)++; - } - } -} - |
