/* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */ /* $FreeBSD$ */ /*- * SPDX-License-Identifier: BSD-4-Clause * * Copyright (c) 1997 Jason R. Thorpe. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project * by Jason R. Thorpe. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright (c) 1983, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ifconfig.h" static void domediaopt(const char *, int, int); static int get_media_subtype(int, const char *); static int get_media_mode(int, const char *); static int get_media_options(int, const char *); static int lookup_media_word(struct ifmedia_description *, const char *); static void print_media_word(int, int); static void print_media_word_ifconfig(int); static struct ifmedia_description *get_toptype_desc(int); static struct ifmedia_type_to_subtype *get_toptype_ttos(int); static struct ifmedia_description *get_subtype_desc(int, struct ifmedia_type_to_subtype *ttos); #define IFM_OPMODE(x) \ ((x) & (IFM_IEEE80211_ADHOC | IFM_IEEE80211_HOSTAP | \ IFM_IEEE80211_IBSS | IFM_IEEE80211_WDS | IFM_IEEE80211_MONITOR | \ IFM_IEEE80211_MBSS)) #define IFM_IEEE80211_STA 0 static void media_status(int s) { struct ifmediareq ifmr; int *media_list, i; int xmedia = 1; (void) memset(&ifmr, 0, sizeof(ifmr)); (void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); /* * Check if interface supports extended media types. */ if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0) xmedia = 0; if (xmedia == 0 && ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { /* * Interface doesn't support SIOC{G,S}IFMEDIA. */ return; } if (ifmr.ifm_count == 0) { warnx("%s: no media types?", name); return; } media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); if (media_list == NULL) err(1, "malloc"); ifmr.ifm_ulist = media_list; if (xmedia) { if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0) err(1, "SIOCGIFXMEDIA"); } else { if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) err(1, "SIOCGIFMEDIA"); } printf("\tmedia: "); print_media_word(ifmr.ifm_current, 1); if (ifmr.ifm_active != ifmr.ifm_current) { putchar(' '); putchar('('); print_media_word(ifmr.ifm_active, 0); putchar(')'); } putchar('\n'); if (ifmr.ifm_status & IFM_AVALID) { printf("\tstatus: "); switch (IFM_TYPE(ifmr.ifm_active)) { case IFM_ETHER: case IFM_ATM: if (ifmr.ifm_status & IFM_ACTIVE) printf("active"); else printf("no carrier"); break; case IFM_IEEE80211: if (ifmr.ifm_status & IFM_ACTIVE) { /* NB: only sta mode associates */ if (IFM_OPMODE(ifmr.ifm_active) == IFM_IEEE80211_STA) printf("associated"); else printf("running"); } else printf("no carrier"); break; } putchar('\n'); } if (ifmr.ifm_count > 0 && supmedia) { printf("\tsupported media:\n"); for (i = 0; i < ifmr.ifm_count; i++) { printf("\t\t"); print_media_word_ifconfig(media_list[i]); putchar('\n'); } } free(media_list); } struct ifmediareq * ifmedia_getstate(int s) { static struct ifmediareq *ifmr = NULL; int *mwords; int xmedia = 1; if (ifmr == NULL) { ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq)); if (ifmr == NULL) err(1, "malloc"); (void) memset(ifmr, 0, sizeof(struct ifmediareq)); (void) strlcpy(ifmr->ifm_name, name, sizeof(ifmr->ifm_name)); ifmr->ifm_count = 0; ifmr->ifm_ulist = NULL; /* * We must go through the motions of reading all * supported media because we need to know both * the current media type and the top-level type. */ if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0) { xmedia = 0; } if (xmedia == 0 && ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) { err(1, "SIOCGIFMEDIA"); } if (ifmr->ifm_count == 0) errx(1, "%s: no media types?", name); mwords = (int *)malloc(ifmr->ifm_count * sizeof(int)); if (mwords == NULL) err(1, "malloc"); ifmr->ifm_ulist = mwords; if (xmedia) { if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0) err(1, "SIOCGIFXMEDIA"); } else { if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) err(1, "SIOCGIFMEDIA"); } } return ifmr; } static void setifmediacallback(int s, void *arg) { struct ifmediareq *ifmr = (struct ifmediareq *)arg; static int did_it = 0; if (!did_it) { ifr.ifr_media = ifmr->ifm_current; if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) err(1, "SIOCSIFMEDIA (media)"); free(ifmr->ifm_ulist); free(ifmr); did_it = 1; } } static void setmedia(const char *val, int d, int s, const struct afswtch *afp) { struct ifmediareq *ifmr; int subtype; ifmr = ifmedia_getstate(s); /* * We are primarily concerned with the top-level type. * However, "current" may be only IFM_NONE, so we just look * for the top-level type in the first "supported type" * entry. * * (I'm assuming that all supported media types for a given * interface will be the same top-level type..) */ subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val); strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_media = (ifmr->ifm_current & IFM_IMASK) | IFM_TYPE(ifmr->ifm_ulist[0]) | subtype; ifmr->ifm_current = ifr.ifr_media; callback_register(setifmediacallback, (void *)ifmr); } static void setmediaopt(const char *val, int d, int s, const struct afswtch *afp) { domediaopt(val, 0, s); } static void unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp) { domediaopt(val, 1, s); } static void domediaopt(const char *val, int clear, int s) { struct ifmediareq *ifmr; int options; ifmr = ifmedia_getstate(s); options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val); strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_media = ifmr->ifm_current; if (clear) ifr.ifr_media &= ~options; else { if (options & IFM_HDX) { ifr.ifr_media &= ~IFM_FDX; options &= ~IFM_HDX; } ifr.ifr_media |= options; } ifmr->ifm_current = ifr.ifr_media; callback_register(setifmediacallback, (void *)ifmr); } static void setmediainst(const char *val, int d, int s, const struct afswtch *afp) { struct ifmediareq *ifmr; int inst; ifmr = ifmedia_getstate(s); inst = atoi(val); if (inst < 0 || inst > (int)IFM_INST_MAX) errx(1, "invalid media instance: %s", val); strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_media = (ifmr->ifm_current & ~IFM_IMASK) | inst << IFM_ISHIFT; ifmr->ifm_current = ifr.ifr_media; callback_register(setifmediacallback, (void *)ifmr); } static void setmediamode(const char *val, int d, int s, const struct afswtch *afp) { struct ifmediareq *ifmr; int mode; ifmr = ifmedia_getstate(s); mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val); strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode; ifmr->ifm_current = ifr.ifr_media; callback_register(setifmediacallback, (void *)ifmr); } /********************************************************************** * A good chunk of this is duplicated from sys/net/if_media.c **********************************************************************/ static struct ifmedia_description ifm_type_descriptions[] = IFM_TYPE_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_ethernet_descriptions[] = IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_ethernet_aliases[] = IFM_SUBTYPE_ETHERNET_ALIASES; static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] = IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_ieee80211_aliases[] = IFM_SUBTYPE_IEEE80211_ALIASES; static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] = IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS; struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] = IFM_SUBTYPE_IEEE80211_MODE_ALIASES; static struct ifmedia_description ifm_subtype_atm_descriptions[] = IFM_SUBTYPE_ATM_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_atm_aliases[] = IFM_SUBTYPE_ATM_ALIASES; static struct ifmedia_description ifm_subtype_atm_option_descriptions[] = IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_shared_descriptions[] = IFM_SUBTYPE_SHARED_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_shared_aliases[] = IFM_SUBTYPE_SHARED_ALIASES; static struct ifmedia_description ifm_shared_option_descriptions[] = IFM_SHARED_OPTION_DESCRIPTIONS; static struct ifmedia_description ifm_shared_option_aliases[] = IFM_SHARED_OPTION_ALIASES; struct ifmedia_type_to_subtype { struct { struct ifmedia_description *desc; int alias; } subtypes[5]; struct { struct ifmedia_description *desc; int alias; } options[4]; struct { struct ifmedia_description *desc; int alias; } modes[3]; }; /* must be in the same order as IFM_TYPE_DESCRIPTIONS */ static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { { { { &ifm_subtype_shared_descriptions[0], 0 }, { &ifm_subtype_shared_aliases[0], 1 }, { &ifm_subtype_ethernet_descriptions[0], 0 }, { &ifm_subtype_ethernet_aliases[0], 1 }, { NULL, 0 }, }, { { &ifm_shared_option_descriptions[0], 0 }, { &ifm_shared_option_aliases[0], 1 }, { &ifm_subtype_ethernet_option_descriptions[0], 0 }, { NULL, 0 }, }, { { NULL, 0 }, }, }, { { { &ifm_subtype_shared_descriptions[0], 0 }, { &ifm_subtype_shared_aliases[0], 1 }, { &ifm_subtype_ieee80211_descriptions[0], 0 }, { &ifm_subtype_ieee80211_aliases[0], 1 }, { NULL, 0 }, }, { { &ifm_shared_option_descriptions[0], 0 }, { &ifm_shared_option_aliases[0], 1 }, { &ifm_subtype_ieee80211_option_descriptions[0], 0 }, { NULL, 0 }, }, { { &ifm_subtype_ieee80211_mode_descriptions[0], 0 }, { &ifm_subtype_ieee80211_mode_aliases[0], 0 }, { NULL, 0 }, }, }, { { { &ifm_subtype_shared_descriptions[0], 0 }, { &ifm_subtype_shared_aliases[0], 1 }, { &ifm_subtype_atm_descriptions[0], 0 }, { &ifm_subtype_atm_aliases[0], 1 }, { NULL, 0 }, }, { { &ifm_shared_option_descriptions[0], 0 }, { &ifm_shared_option_aliases[0], 1 }, { &ifm_subtype_atm_option_descriptions[0], 0 }, { NULL, 0 }, }, { { NULL, 0 }, }, }, }; static int get_media_subtype(int type, const char *val) { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; int rval, i; /* Find the top-level interface type. */ for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; desc->ifmt_string != NULL; desc++, ttos++) if (type == desc->ifmt_word) break; if (desc->ifmt_string == NULL) errx(1, "unknown media type 0x%x", type); for (i = 0; ttos->subtypes[i].desc != NULL; i++) { rval = lookup_media_word(ttos->subtypes[i].desc, val); if (rval != -1) return (rval); } errx(1, "unknown media subtype: %s", val); /*NOTREACHED*/ } static int get_media_mode(int type, const char *val) { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; int rval, i; /* Find the top-level interface type. */ for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; desc->ifmt_string != NULL; desc++, ttos++) if (type == desc->ifmt_word) break; if (desc->ifmt_string == NULL) errx(1, "unknown media mode 0x%x", type); for (i = 0; ttos->modes[i].desc != NULL; i++) { rval = lookup_media_word(ttos->modes[i].desc, val); if (rval != -1) return (rval); } return -1; } static int get_media_options(int type, const char *val) { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; char *optlist, *optptr; int option = 0, i, rval = 0; /* We muck with the string, so copy it. */ optlist = strdup(val); if (optlist == NULL) err(1, "strdup"); /* Find the top-level interface type. */ for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; desc->ifmt_string != NULL; desc++, ttos++) if (type == desc->ifmt_word) break; if (desc->ifmt_string == NULL) errx(1, "unknown media type 0x%x", type); /* * Look up the options in the user-provided comma-separated * list. */ optptr = optlist; for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) { for (i = 0; ttos->options[i].desc != NULL; i++) { option = lookup_media_word(ttos->options[i].desc, optptr); if (option != -1) break; } if (option == 0) errx(1, "unknown option: %s", optptr); rval |= option; } free(optlist); return (rval); } static int lookup_media_word(struct ifmedia_description *desc, const char *val) { for (; desc->ifmt_string != NULL; desc++) if (strcasecmp(desc->ifmt_string, val) == 0) return (desc->ifmt_word); return (-1); } static struct ifmedia_description *get_toptype_desc(int ifmw) { struct ifmedia_description *desc; for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) if (IFM_TYPE(ifmw) == desc->ifmt_word) break; return desc; } static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw) { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; desc->ifmt_string != NULL; desc++, ttos++) if (IFM_TYPE(ifmw) == desc->ifmt_word) break; return ttos; } static struct ifmedia_description *get_subtype_desc(int ifmw, struct ifmedia_type_to_subtype *ttos) { int i; struct ifmedia_description *desc; for (i = 0; ttos->subtypes[i].desc != NULL; i++) { if (ttos->subtypes[i].alias) continue; for (desc = ttos->subtypes[i].desc; desc->ifmt_string != NULL; desc++) { if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) return desc; } } return NULL; } static struct ifmedia_description *get_mode_desc(int ifmw, struct ifmedia_type_to_subtype *ttos) { int i; struct ifmedia_description *desc; for (i = 0; ttos->modes[i].desc != NULL; i++) { if (ttos->modes[i].alias) continue; for (desc = ttos->modes[i].desc; desc->ifmt_string != NULL; desc++) { if (IFM_MODE(ifmw) == desc->ifmt_word) return desc; } } return NULL; } static void print_media_word(int ifmw, int print_toptype) { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; int seen_option = 0, i; /* Find the top-level interface type. */ desc = get_toptype_desc(ifmw); ttos = get_toptype_ttos(ifmw); if (desc->ifmt_string == NULL) { printf(""); return; } else if (print_toptype) { printf("%s", desc->ifmt_string); } /* * Don't print the top-level type; it's not like we can * change it, or anything. */ /* Find subtype. */ desc = get_subtype_desc(ifmw, ttos); if (desc == NULL) { printf(""); return; } if (print_toptype) putchar(' '); printf("%s", desc->ifmt_string); if (print_toptype) { desc = get_mode_desc(ifmw, ttos); if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string)) printf(" mode %s", desc->ifmt_string); } /* Find options. */ for (i = 0; ttos->options[i].desc != NULL; i++) { if (ttos->options[i].alias) continue; for (desc = ttos->options[i].desc; desc->ifmt_string != NULL; desc++) { if (ifmw & desc->ifmt_word) { if (seen_option == 0) printf(" <"); printf("%s%s", seen_option++ ? "," : "", desc->ifmt_string); } } } printf("%s", seen_option ? ">" : ""); if (print_toptype && IFM_INST(ifmw) != 0) printf(" instance %d", IFM_INST(ifmw)); } static void print_media_word_ifconfig(int ifmw) { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; int seen_option = 0, i; /* Find the top-level interface type. */ desc = get_toptype_desc(ifmw); ttos = get_toptype_ttos(ifmw); if (desc->ifmt_string == NULL) { printf(""); return; } /* * Don't print the top-level type; it's not like we can * change it, or anything. */ /* Find subtype. */ desc = get_subtype_desc(ifmw, ttos); if (desc == NULL) { printf(""); return; } printf("media %s", desc->ifmt_string); desc = get_mode_desc(ifmw, ttos); if (desc != NULL) printf(" mode %s", desc->ifmt_string); /* Find options. */ for (i = 0; ttos->options[i].desc != NULL; i++) { if (ttos->options[i].alias) continue; for (desc = ttos->options[i].desc; desc->ifmt_string != NULL; desc++) { if (ifmw & desc->ifmt_word) { if (seen_option == 0) printf(" mediaopt "); printf("%s%s", seen_option++ ? "," : "", desc->ifmt_string); } } } if (IFM_INST(ifmw) != 0) printf(" instance %d", IFM_INST(ifmw)); } /********************************************************************** * ...until here. **********************************************************************/ static struct cmd media_cmds[] = { DEF_CMD_ARG("media", setmedia), DEF_CMD_ARG("mode", setmediamode), DEF_CMD_ARG("mediaopt", setmediaopt), DEF_CMD_ARG("-mediaopt",unsetmediaopt), DEF_CMD_ARG("inst", setmediainst), DEF_CMD_ARG("instance", setmediainst), }; static struct afswtch af_media = { .af_name = "af_media", .af_af = AF_UNSPEC, .af_other_status = media_status, }; static __constructor void ifmedia_ctor(void) { size_t i; for (i = 0; i < nitems(media_cmds); i++) cmd_register(&media_cmds[i]); af_register(&af_media); }