X-Git-Url: http://git.onelab.eu/?p=iproute2.git;a=blobdiff_plain;f=ip%2Fipaddress.c;fp=ip%2Fipaddress.c;h=0000000000000000000000000000000000000000;hp=cb164c04d609f79743500d4ddd6942928861d735;hb=3331a68859fd71047bb1f309048960b48eab2d83;hpb=2bd4a72f2100be7ad7d9518cb1d49bb2a5b71994 diff --git a/ip/ipaddress.c b/ip/ipaddress.c deleted file mode 100644 index cb164c0..0000000 --- a/ip/ipaddress.c +++ /dev/null @@ -1,907 +0,0 @@ -/* - * ipaddress.c "ip address". - * - * This program 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. - * - * Authors: Alexey Kuznetsov, - * - * Changes: - * Laszlo Valko 990223: address label must be zero terminated - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include "rt_names.h" -#include "utils.h" -#include "ll_map.h" -#include "ip_common.h" - -static struct -{ - int ifindex; - int family; - int oneline; - int showqueue; - inet_prefix pfx; - int scope, scopemask; - int flags, flagmask; - int up; - char *label; - int flushed; - char *flushb; - int flushp; - int flushe; -} filter; - -static int do_link; - -static void usage(void) __attribute__((noreturn)); - -static void usage(void) -{ - if (do_link) { - iplink_usage(); - } - fprintf(stderr, "Usage: ip addr {add|del} IFADDR dev STRING\n"); - fprintf(stderr, " ip addr {show|flush} [ dev STRING ] [ scope SCOPE-ID ]\n"); - fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ]\n"); - fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n"); - fprintf(stderr, " [ broadcast ADDR ] [ anycast ADDR ]\n"); - fprintf(stderr, " [ label STRING ] [ scope SCOPE-ID ]\n"); - fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n"); - fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n"); - fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n"); - fprintf(stderr, " tentative | deprecated ]\n"); - exit(-1); -} - -void print_link_flags(FILE *fp, unsigned flags, unsigned mdown) -{ - fprintf(fp, "<"); - if (flags & IFF_UP && !(flags & IFF_RUNNING)) - fprintf(fp, "NO-CARRIER%s", flags ? "," : ""); - flags &= ~IFF_RUNNING; -#define _PF(f) if (flags&IFF_##f) { \ - flags &= ~IFF_##f ; \ - fprintf(fp, #f "%s", flags ? "," : ""); } - _PF(LOOPBACK); - _PF(BROADCAST); - _PF(POINTOPOINT); - _PF(MULTICAST); - _PF(NOARP); - _PF(ALLMULTI); - _PF(PROMISC); - _PF(MASTER); - _PF(SLAVE); - _PF(DEBUG); - _PF(DYNAMIC); - _PF(AUTOMEDIA); - _PF(PORTSEL); - _PF(NOTRAILERS); - _PF(UP); -#undef _PF - if (flags) - fprintf(fp, "%x", flags); - if (mdown) - fprintf(fp, ",M-DOWN"); - fprintf(fp, "> "); -} - -void print_queuelen(char *name) -{ - struct ifreq ifr; - int s; - - s = socket(AF_INET, SOCK_STREAM, 0); - if (s < 0) - return; - - memset(&ifr, 0, sizeof(ifr)); - strcpy(ifr.ifr_name, name); - if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) { - perror("SIOCGIFXQLEN"); - close(s); - return; - } - close(s); - - if (ifr.ifr_qlen) - printf("qlen %d", ifr.ifr_qlen); -} - -int print_linkinfo(const struct sockaddr_nl *who, - struct nlmsghdr *n, void *arg) -{ - FILE *fp = (FILE*)arg; - struct ifinfomsg *ifi = NLMSG_DATA(n); - struct rtattr * tb[IFLA_MAX+1]; - int len = n->nlmsg_len; - unsigned m_flag = 0; - - if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK) - return 0; - - len -= NLMSG_LENGTH(sizeof(*ifi)); - if (len < 0) - return -1; - - if (filter.ifindex && ifi->ifi_index != filter.ifindex) - return 0; - if (filter.up && !(ifi->ifi_flags&IFF_UP)) - return 0; - - parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len); - if (tb[IFLA_IFNAME] == NULL) { - fprintf(stderr, "BUG: nil ifname\n"); - return -1; - } - if (filter.label && - (!filter.family || filter.family == AF_PACKET) && - fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0)) - return 0; - - if (n->nlmsg_type == RTM_DELLINK) - fprintf(fp, "Deleted "); - - fprintf(fp, "%d: %s", ifi->ifi_index, - tb[IFLA_IFNAME] ? (char*)RTA_DATA(tb[IFLA_IFNAME]) : ""); - - if (tb[IFLA_LINK]) { - SPRINT_BUF(b1); - int iflink = *(int*)RTA_DATA(tb[IFLA_LINK]); - if (iflink == 0) - fprintf(fp, "@NONE: "); - else { - fprintf(fp, "@%s: ", ll_idx_n2a(iflink, b1)); - m_flag = ll_index_to_flags(iflink); - m_flag = !(m_flag & IFF_UP); - } - } else { - fprintf(fp, ": "); - } - print_link_flags(fp, ifi->ifi_flags, m_flag); - - if (tb[IFLA_MTU]) - fprintf(fp, "mtu %u ", *(int*)RTA_DATA(tb[IFLA_MTU])); - if (tb[IFLA_QDISC]) - fprintf(fp, "qdisc %s ", (char*)RTA_DATA(tb[IFLA_QDISC])); -#ifdef IFLA_MASTER - if (tb[IFLA_MASTER]) { - SPRINT_BUF(b1); - fprintf(fp, "master %s ", ll_idx_n2a(*(int*)RTA_DATA(tb[IFLA_MASTER]), b1)); - } -#endif - if (filter.showqueue) - print_queuelen((char*)RTA_DATA(tb[IFLA_IFNAME])); - - if (!filter.family || filter.family == AF_PACKET) { - SPRINT_BUF(b1); - fprintf(fp, "%s", _SL_); - fprintf(fp, " link/%s ", ll_type_n2a(ifi->ifi_type, b1, sizeof(b1))); - - if (tb[IFLA_ADDRESS]) { - fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]), - RTA_PAYLOAD(tb[IFLA_ADDRESS]), - ifi->ifi_type, - b1, sizeof(b1))); - } - if (tb[IFLA_BROADCAST]) { - if (ifi->ifi_flags&IFF_POINTOPOINT) - fprintf(fp, " peer "); - else - fprintf(fp, " brd "); - fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]), - RTA_PAYLOAD(tb[IFLA_BROADCAST]), - ifi->ifi_type, - b1, sizeof(b1))); - } - } - if (do_link && tb[IFLA_STATS] && show_stats) { - struct rtnl_link_stats slocal; - struct rtnl_link_stats *s = RTA_DATA(tb[IFLA_STATS]); - if (((unsigned long)s) & (sizeof(unsigned long)-1)) { - memcpy(&slocal, s, sizeof(slocal)); - s = &slocal; - } - fprintf(fp, "%s", _SL_); - fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s", - s->rx_compressed ? "compressed" : "", _SL_); - fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u", - s->rx_bytes, s->rx_packets, s->rx_errors, - s->rx_dropped, s->rx_over_errors, - s->multicast - ); - if (s->rx_compressed) - fprintf(fp, " %-7u", s->rx_compressed); - if (show_stats > 1) { - fprintf(fp, "%s", _SL_); - fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_); - fprintf(fp, " %-7u %-7u %-7u %-7u %-7u", - s->rx_length_errors, - s->rx_crc_errors, - s->rx_frame_errors, - s->rx_fifo_errors, - s->rx_missed_errors - ); - } - fprintf(fp, "%s", _SL_); - fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s", - s->tx_compressed ? "compressed" : "", _SL_); - fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u", - s->tx_bytes, s->tx_packets, s->tx_errors, - s->tx_dropped, s->tx_carrier_errors, s->collisions); - if (s->tx_compressed) - fprintf(fp, " %-7u", s->tx_compressed); - if (show_stats > 1) { - fprintf(fp, "%s", _SL_); - fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_); - fprintf(fp, " %-7u %-7u %-7u %-7u", - s->tx_aborted_errors, - s->tx_fifo_errors, - s->tx_window_errors, - s->tx_heartbeat_errors - ); - } - } - fprintf(fp, "\n"); - fflush(fp); - return 0; -} - -static int flush_update(void) -{ - if (rtnl_send(&rth, filter.flushb, filter.flushp) < 0) { - perror("Failed to send flush request\n"); - return -1; - } - filter.flushp = 0; - return 0; -} - -int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n, - void *arg) -{ - FILE *fp = (FILE*)arg; - struct ifaddrmsg *ifa = NLMSG_DATA(n); - int len = n->nlmsg_len; - struct rtattr * rta_tb[IFA_MAX+1]; - char abuf[256]; - SPRINT_BUF(b1); - - if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR) - return 0; - len -= NLMSG_LENGTH(sizeof(*ifa)); - if (len < 0) { - fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); - return -1; - } - - if (filter.flushb && n->nlmsg_type != RTM_NEWADDR) - return 0; - - parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa), n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa))); - - if (!rta_tb[IFA_LOCAL]) - rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS]; - if (!rta_tb[IFA_ADDRESS]) - rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL]; - - if (filter.ifindex && filter.ifindex != ifa->ifa_index) - return 0; - if ((filter.scope^ifa->ifa_scope)&filter.scopemask) - return 0; - if ((filter.flags^ifa->ifa_flags)&filter.flagmask) - return 0; - if (filter.label) { - SPRINT_BUF(b1); - const char *label; - if (rta_tb[IFA_LABEL]) - label = RTA_DATA(rta_tb[IFA_LABEL]); - else - label = ll_idx_n2a(ifa->ifa_index, b1); - if (fnmatch(filter.label, label, 0) != 0) - return 0; - } - if (filter.pfx.family) { - if (rta_tb[IFA_LOCAL]) { - inet_prefix dst; - memset(&dst, 0, sizeof(dst)); - dst.family = ifa->ifa_family; - memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL])); - if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen)) - return 0; - } - } - - if (filter.family && filter.family != ifa->ifa_family) - return 0; - - if (filter.flushb) { - struct nlmsghdr *fn; - if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) { - if (flush_update()) - return -1; - } - fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp)); - memcpy(fn, n, n->nlmsg_len); - fn->nlmsg_type = RTM_DELADDR; - fn->nlmsg_flags = NLM_F_REQUEST; - fn->nlmsg_seq = ++rth.seq; - filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb; - filter.flushed++; - if (show_stats < 2) - return 0; - } - - if (n->nlmsg_type == RTM_DELADDR) - fprintf(fp, "Deleted "); - - if (filter.oneline || filter.flushb) - fprintf(fp, "%u: %s", ifa->ifa_index, ll_index_to_name(ifa->ifa_index)); - if (ifa->ifa_family == AF_INET) - fprintf(fp, " inet "); - else if (ifa->ifa_family == AF_INET6) - fprintf(fp, " inet6 "); - else if (ifa->ifa_family == AF_DECnet) - fprintf(fp, " dnet "); - else if (ifa->ifa_family == AF_IPX) - fprintf(fp, " ipx "); - else - fprintf(fp, " family %d ", ifa->ifa_family); - - if (rta_tb[IFA_LOCAL]) { - fprintf(fp, "%s", rt_addr_n2a(ifa->ifa_family, - RTA_PAYLOAD(rta_tb[IFA_LOCAL]), - RTA_DATA(rta_tb[IFA_LOCAL]), - abuf, sizeof(abuf))); - - if (rta_tb[IFA_ADDRESS] == NULL || - memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]), RTA_DATA(rta_tb[IFA_LOCAL]), 4) == 0) { - fprintf(fp, "/%d ", ifa->ifa_prefixlen); - } else { - fprintf(fp, " peer %s/%d ", - rt_addr_n2a(ifa->ifa_family, - RTA_PAYLOAD(rta_tb[IFA_ADDRESS]), - RTA_DATA(rta_tb[IFA_ADDRESS]), - abuf, sizeof(abuf)), - ifa->ifa_prefixlen); - } - } - - if (rta_tb[IFA_BROADCAST]) { - fprintf(fp, "brd %s ", - rt_addr_n2a(ifa->ifa_family, - RTA_PAYLOAD(rta_tb[IFA_BROADCAST]), - RTA_DATA(rta_tb[IFA_BROADCAST]), - abuf, sizeof(abuf))); - } - if (rta_tb[IFA_ANYCAST]) { - fprintf(fp, "any %s ", - rt_addr_n2a(ifa->ifa_family, - RTA_PAYLOAD(rta_tb[IFA_ANYCAST]), - RTA_DATA(rta_tb[IFA_ANYCAST]), - abuf, sizeof(abuf))); - } - fprintf(fp, "scope %s ", rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1))); - if (ifa->ifa_flags&IFA_F_SECONDARY) { - ifa->ifa_flags &= ~IFA_F_SECONDARY; - fprintf(fp, "secondary "); - } - if (ifa->ifa_flags&IFA_F_TENTATIVE) { - ifa->ifa_flags &= ~IFA_F_TENTATIVE; - fprintf(fp, "tentative "); - } - if (ifa->ifa_flags&IFA_F_DEPRECATED) { - ifa->ifa_flags &= ~IFA_F_DEPRECATED; - fprintf(fp, "deprecated "); - } - if (!(ifa->ifa_flags&IFA_F_PERMANENT)) { - fprintf(fp, "dynamic "); - } else - ifa->ifa_flags &= ~IFA_F_PERMANENT; - if (ifa->ifa_flags) - fprintf(fp, "flags %02x ", ifa->ifa_flags); - if (rta_tb[IFA_LABEL]) - fprintf(fp, "%s", (char*)RTA_DATA(rta_tb[IFA_LABEL])); - if (rta_tb[IFA_CACHEINFO]) { - struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]); - char buf[128]; - fprintf(fp, "%s", _SL_); - if (ci->ifa_valid == 0xFFFFFFFFU) - sprintf(buf, "valid_lft forever"); - else - sprintf(buf, "valid_lft %dsec", ci->ifa_valid); - if (ci->ifa_prefered == 0xFFFFFFFFU) - sprintf(buf+strlen(buf), " preferred_lft forever"); - else - sprintf(buf+strlen(buf), " preferred_lft %dsec", ci->ifa_prefered); - fprintf(fp, " %s", buf); - } - fprintf(fp, "\n"); - fflush(fp); - return 0; -} - - -struct nlmsg_list -{ - struct nlmsg_list *next; - struct nlmsghdr h; -}; - -int print_selected_addrinfo(int ifindex, struct nlmsg_list *ainfo, FILE *fp) -{ - for ( ;ainfo ; ainfo = ainfo->next) { - struct nlmsghdr *n = &ainfo->h; - struct ifaddrmsg *ifa = NLMSG_DATA(n); - - if (n->nlmsg_type != RTM_NEWADDR) - continue; - - if (n->nlmsg_len < NLMSG_LENGTH(sizeof(ifa))) - return -1; - - if (ifa->ifa_index != ifindex || - (filter.family && filter.family != ifa->ifa_family)) - continue; - - print_addrinfo(NULL, n, fp); - } - return 0; -} - - -static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n, - void *arg) -{ - struct nlmsg_list **linfo = (struct nlmsg_list**)arg; - struct nlmsg_list *h; - struct nlmsg_list **lp; - - h = malloc(n->nlmsg_len+sizeof(void*)); - if (h == NULL) - return -1; - - memcpy(&h->h, n, n->nlmsg_len); - h->next = NULL; - - for (lp = linfo; *lp; lp = &(*lp)->next) /* NOTHING */; - *lp = h; - - ll_remember_index(who, n, NULL); - return 0; -} - -int ipaddr_list_or_flush(int argc, char **argv, int flush) -{ - struct nlmsg_list *linfo = NULL; - struct nlmsg_list *ainfo = NULL; - struct nlmsg_list *l, *n; - char *filter_dev = NULL; - int no_link = 0; - - ipaddr_reset_filter(oneline); - filter.showqueue = 1; - - if (filter.family == AF_UNSPEC) - filter.family = preferred_family; - - if (flush) { - if (argc <= 0) { - fprintf(stderr, "Flush requires arguments.\n"); - return -1; - } - if (filter.family == AF_PACKET) { - fprintf(stderr, "Cannot flush link addresses.\n"); - return -1; - } - } - - while (argc > 0) { - if (strcmp(*argv, "to") == 0) { - NEXT_ARG(); - get_prefix(&filter.pfx, *argv, filter.family); - if (filter.family == AF_UNSPEC) - filter.family = filter.pfx.family; - } else if (strcmp(*argv, "scope") == 0) { - unsigned scope = 0; - NEXT_ARG(); - filter.scopemask = -1; - if (rtnl_rtscope_a2n(&scope, *argv)) { - if (strcmp(*argv, "all") != 0) - invarg("invalid \"scope\"\n", *argv); - scope = RT_SCOPE_NOWHERE; - filter.scopemask = 0; - } - filter.scope = scope; - } else if (strcmp(*argv, "up") == 0) { - filter.up = 1; - } else if (strcmp(*argv, "dynamic") == 0) { - filter.flags &= ~IFA_F_PERMANENT; - filter.flagmask |= IFA_F_PERMANENT; - } else if (strcmp(*argv, "permanent") == 0) { - filter.flags |= IFA_F_PERMANENT; - filter.flagmask |= IFA_F_PERMANENT; - } else if (strcmp(*argv, "secondary") == 0) { - filter.flags |= IFA_F_SECONDARY; - filter.flagmask |= IFA_F_SECONDARY; - } else if (strcmp(*argv, "primary") == 0) { - filter.flags &= ~IFA_F_SECONDARY; - filter.flagmask |= IFA_F_SECONDARY; - } else if (strcmp(*argv, "tentative") == 0) { - filter.flags |= IFA_F_TENTATIVE; - filter.flagmask |= IFA_F_TENTATIVE; - } else if (strcmp(*argv, "deprecated") == 0) { - filter.flags |= IFA_F_DEPRECATED; - filter.flagmask |= IFA_F_DEPRECATED; - } else if (strcmp(*argv, "label") == 0) { - NEXT_ARG(); - filter.label = *argv; - } else { - if (strcmp(*argv, "dev") == 0) { - NEXT_ARG(); - } - if (matches(*argv, "help") == 0) - usage(); - if (filter_dev) - duparg2("dev", *argv); - filter_dev = *argv; - } - argv++; argc--; - } - - if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETLINK) < 0) { - perror("Cannot send dump request"); - exit(1); - } - - if (rtnl_dump_filter(&rth, store_nlmsg, &linfo, NULL, NULL) < 0) { - fprintf(stderr, "Dump terminated\n"); - exit(1); - } - - if (filter_dev) { - filter.ifindex = ll_name_to_index(filter_dev); - if (filter.ifindex <= 0) { - fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev); - return -1; - } - } - - if (flush) { - int round = 0; - char flushb[4096-512]; - - filter.flushb = flushb; - filter.flushp = 0; - filter.flushe = sizeof(flushb); - - for (;;) { - if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) { - perror("Cannot send dump request"); - exit(1); - } - filter.flushed = 0; - if (rtnl_dump_filter(&rth, print_addrinfo, stdout, NULL, NULL) < 0) { - fprintf(stderr, "Flush terminated\n"); - exit(1); - } - if (filter.flushed == 0) { - if (round == 0) { - fprintf(stderr, "Nothing to flush.\n"); - } else if (show_stats) - printf("*** Flush is complete after %d round%s ***\n", round, round>1?"s":""); - fflush(stdout); - return 0; - } - round++; - if (flush_update() < 0) - return 1; - - if (show_stats) { - printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed); - fflush(stdout); - } - } - } - - if (filter.family != AF_PACKET) { - if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) { - perror("Cannot send dump request"); - exit(1); - } - - if (rtnl_dump_filter(&rth, store_nlmsg, &ainfo, NULL, NULL) < 0) { - fprintf(stderr, "Dump terminated\n"); - exit(1); - } - } - - - if (filter.family && filter.family != AF_PACKET) { - struct nlmsg_list **lp; - lp=&linfo; - - if (filter.oneline) - no_link = 1; - - while ((l=*lp)!=NULL) { - int ok = 0; - struct ifinfomsg *ifi = NLMSG_DATA(&l->h); - struct nlmsg_list *a; - - for (a=ainfo; a; a=a->next) { - struct nlmsghdr *n = &a->h; - struct ifaddrmsg *ifa = NLMSG_DATA(n); - - if (ifa->ifa_index != ifi->ifi_index || - (filter.family && filter.family != ifa->ifa_family)) - continue; - if ((filter.scope^ifa->ifa_scope)&filter.scopemask) - continue; - if ((filter.flags^ifa->ifa_flags)&filter.flagmask) - continue; - if (filter.pfx.family || filter.label) { - struct rtattr *tb[IFA_MAX+1]; - parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n)); - if (!tb[IFA_LOCAL]) - tb[IFA_LOCAL] = tb[IFA_ADDRESS]; - - if (filter.pfx.family && tb[IFA_LOCAL]) { - inet_prefix dst; - memset(&dst, 0, sizeof(dst)); - dst.family = ifa->ifa_family; - memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL])); - if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen)) - continue; - } - if (filter.label) { - SPRINT_BUF(b1); - const char *label; - if (tb[IFA_LABEL]) - label = RTA_DATA(tb[IFA_LABEL]); - else - label = ll_idx_n2a(ifa->ifa_index, b1); - if (fnmatch(filter.label, label, 0) != 0) - continue; - } - } - - ok = 1; - break; - } - if (!ok) - *lp = l->next; - else - lp = &l->next; - } - } - - for (l=linfo; l; l = n) { - n = l->next; - if (no_link || print_linkinfo(NULL, &l->h, stdout) == 0) { - struct ifinfomsg *ifi = NLMSG_DATA(&l->h); - if (filter.family != AF_PACKET) - print_selected_addrinfo(ifi->ifi_index, ainfo, stdout); - } - fflush(stdout); - free(l); - } - - return 0; -} - -int ipaddr_list_link(int argc, char **argv) -{ - preferred_family = AF_PACKET; - do_link = 1; - return ipaddr_list_or_flush(argc, argv, 0); -} - -void ipaddr_reset_filter(int oneline) -{ - memset(&filter, 0, sizeof(filter)); - filter.oneline = oneline; -} - -int default_scope(inet_prefix *lcl) -{ - if (lcl->family == AF_INET) { - if (lcl->bytelen >= 1 && *(__u8*)&lcl->data == 127) - return RT_SCOPE_HOST; - } - return 0; -} - -int ipaddr_modify(int cmd, int argc, char **argv) -{ - struct { - struct nlmsghdr n; - struct ifaddrmsg ifa; - char buf[256]; - } req; - char *d = NULL; - char *l = NULL; - char *lcl_arg = NULL; - inet_prefix lcl; - inet_prefix peer; - int local_len = 0; - int peer_len = 0; - int brd_len = 0; - int any_len = 0; - int scoped = 0; - - memset(&req, 0, sizeof(req)); - - req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)); - req.n.nlmsg_flags = NLM_F_REQUEST; - req.n.nlmsg_type = cmd; - req.ifa.ifa_family = preferred_family; - - while (argc > 0) { - if (strcmp(*argv, "peer") == 0 || - strcmp(*argv, "remote") == 0) { - NEXT_ARG(); - - if (peer_len) - duparg("peer", *argv); - get_prefix(&peer, *argv, req.ifa.ifa_family); - peer_len = peer.bytelen; - if (req.ifa.ifa_family == AF_UNSPEC) - req.ifa.ifa_family = peer.family; - addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen); - req.ifa.ifa_prefixlen = peer.bitlen; - } else if (matches(*argv, "broadcast") == 0 || - strcmp(*argv, "brd") == 0) { - inet_prefix addr; - NEXT_ARG(); - if (brd_len) - duparg("broadcast", *argv); - if (strcmp(*argv, "+") == 0) - brd_len = -1; - else if (strcmp(*argv, "-") == 0) - brd_len = -2; - else { - get_addr(&addr, *argv, req.ifa.ifa_family); - if (req.ifa.ifa_family == AF_UNSPEC) - req.ifa.ifa_family = addr.family; - addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen); - brd_len = addr.bytelen; - } - } else if (strcmp(*argv, "anycast") == 0) { - inet_prefix addr; - NEXT_ARG(); - if (any_len) - duparg("anycast", *argv); - get_addr(&addr, *argv, req.ifa.ifa_family); - if (req.ifa.ifa_family == AF_UNSPEC) - req.ifa.ifa_family = addr.family; - addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen); - any_len = addr.bytelen; - } else if (strcmp(*argv, "scope") == 0) { - unsigned scope = 0; - NEXT_ARG(); - if (rtnl_rtscope_a2n(&scope, *argv)) - invarg(*argv, "invalid scope value."); - req.ifa.ifa_scope = scope; - scoped = 1; - } else if (strcmp(*argv, "dev") == 0) { - NEXT_ARG(); - d = *argv; - } else if (strcmp(*argv, "label") == 0) { - NEXT_ARG(); - l = *argv; - addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1); - } else { - if (strcmp(*argv, "local") == 0) { - NEXT_ARG(); - } - if (matches(*argv, "help") == 0) - usage(); - if (local_len) - duparg2("local", *argv); - lcl_arg = *argv; - get_prefix(&lcl, *argv, req.ifa.ifa_family); - if (req.ifa.ifa_family == AF_UNSPEC) - req.ifa.ifa_family = lcl.family; - addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen); - local_len = lcl.bytelen; - } - argc--; argv++; - } - if (d == NULL) { - fprintf(stderr, "Not enough information: \"dev\" argument is required.\n"); - return -1; - } - if (l && matches(d, l) != 0) { - fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l); - exit(1); - } - - if (peer_len == 0 && local_len) { - if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) { - fprintf(stderr, - "Warning: Executing wildcard deletion to stay compatible with old scripts.\n" \ - " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n" \ - " This special behaviour is likely to disappear in further releases,\n" \ - " fix your scripts!\n", lcl_arg, local_len*8); - } else { - peer = lcl; - addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen); - } - } - if (req.ifa.ifa_prefixlen == 0) - req.ifa.ifa_prefixlen = lcl.bitlen; - - if (brd_len < 0 && cmd != RTM_DELADDR) { - inet_prefix brd; - int i; - if (req.ifa.ifa_family != AF_INET) { - fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n"); - return -1; - } - brd = peer; - if (brd.bitlen <= 30) { - for (i=31; i>=brd.bitlen; i--) { - if (brd_len == -1) - brd.data[0] |= htonl(1<<(31-i)); - else - brd.data[0] &= ~htonl(1<<(31-i)); - } - addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen); - brd_len = brd.bytelen; - } - } - if (!scoped && cmd != RTM_DELADDR) - req.ifa.ifa_scope = default_scope(&lcl); - - ll_init_map(&rth); - - if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) { - fprintf(stderr, "Cannot find device \"%s\"\n", d); - return -1; - } - - if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) - exit(2); - - return 0; -} - -int do_ipaddr(int argc, char **argv) -{ - if (argc < 1) - return ipaddr_list_or_flush(0, NULL, 0); - if (matches(*argv, "add") == 0) - return ipaddr_modify(RTM_NEWADDR, argc-1, argv+1); - if (matches(*argv, "delete") == 0) - return ipaddr_modify(RTM_DELADDR, argc-1, argv+1); - if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 - || matches(*argv, "lst") == 0) - return ipaddr_list_or_flush(argc-1, argv+1, 0); - if (matches(*argv, "flush") == 0) - return ipaddr_list_or_flush(argc-1, argv+1, 1); - if (matches(*argv, "help") == 0) - usage(); - fprintf(stderr, "Command \"%s\" is unknown, try \"ip address help\".\n", *argv); - exit(-1); -} -