Annotation of sys/compat/svr4/svr4_sockio.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: svr4_sockio.c,v 1.10 2006/03/05 21:48:56 miod Exp $ */
! 2: /* $NetBSD: svr4_sockio.c,v 1.10 1996/05/03 17:09:15 christos Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1995 Christos Zoulas
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. The name of the author may not be used to endorse or promote products
! 17: * derived from this software without specific prior written permission
! 18: *
! 19: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 20: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 21: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 22: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 23: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 24: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 25: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 26: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 27: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 28: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 29: */
! 30:
! 31: #include <sys/param.h>
! 32: #include <sys/proc.h>
! 33: #include <sys/systm.h>
! 34: #include <sys/file.h>
! 35: #include <sys/filedesc.h>
! 36: #include <sys/ioctl.h>
! 37: #include <sys/termios.h>
! 38: #include <sys/tty.h>
! 39: #include <sys/socket.h>
! 40: #include <sys/mount.h>
! 41: #include <net/if.h>
! 42: #include <sys/malloc.h>
! 43:
! 44: #include <sys/syscallargs.h>
! 45:
! 46: #include <compat/svr4/svr4_types.h>
! 47: #include <compat/svr4/svr4_util.h>
! 48: #include <compat/svr4/svr4_signal.h>
! 49: #include <compat/svr4/svr4_syscallargs.h>
! 50: #include <compat/svr4/svr4_stropts.h>
! 51: #include <compat/svr4/svr4_ioctl.h>
! 52: #include <compat/svr4/svr4_sockio.h>
! 53:
! 54: static int bsd_to_svr4_flags(int);
! 55:
! 56: #define bsd_to_svr4_flag(a) \
! 57: if (bf & __CONCAT(I,a)) sf |= __CONCAT(SVR4_I,a)
! 58:
! 59: static int
! 60: bsd_to_svr4_flags(bf)
! 61: int bf;
! 62: {
! 63: int sf = 0;
! 64: bsd_to_svr4_flag(FF_UP);
! 65: bsd_to_svr4_flag(FF_BROADCAST);
! 66: bsd_to_svr4_flag(FF_DEBUG);
! 67: bsd_to_svr4_flag(FF_LOOPBACK);
! 68: bsd_to_svr4_flag(FF_POINTOPOINT);
! 69: bsd_to_svr4_flag(FF_NOTRAILERS);
! 70: bsd_to_svr4_flag(FF_RUNNING);
! 71: bsd_to_svr4_flag(FF_NOARP);
! 72: bsd_to_svr4_flag(FF_PROMISC);
! 73: bsd_to_svr4_flag(FF_ALLMULTI);
! 74: bsd_to_svr4_flag(FF_MULTICAST);
! 75: return sf;
! 76: }
! 77:
! 78: int
! 79: svr4_sock_ioctl(fp, p, retval, fd, cmd, data)
! 80: struct file *fp;
! 81: struct proc *p;
! 82: register_t *retval;
! 83: int fd;
! 84: u_long cmd;
! 85: caddr_t data;
! 86: {
! 87: int error;
! 88: int (*ctl)(struct file *, u_long, caddr_t, struct proc *) =
! 89: fp->f_ops->fo_ioctl;
! 90:
! 91: *retval = 0;
! 92:
! 93: switch (cmd) {
! 94: case SVR4_SIOCGIFNUM:
! 95: {
! 96: struct ifnet *ifp;
! 97: struct ifaddr *ifa;
! 98: int ifnum = 0;
! 99:
! 100: /*
! 101: * This does not return the number of physical
! 102: * interfaces (if_index), but the number of interfaces
! 103: * + addresses like ifconf() does, because this number
! 104: * is used by code that will call SVR4_SIOCGIFCONF to
! 105: * find the space needed for SVR4_SIOCGIFCONF. So we
! 106: * count the number of ifreq entries that the next
! 107: * SVR4_SIOCGIFCONF will return. Maybe a more correct
! 108: * fix is to make SVR4_SIOCGIFCONF return only one
! 109: * entry per physical interface?
! 110: */
! 111:
! 112: TAILQ_FOREACH(ifp, &ifnet, if_list)
! 113: if (TAILQ_EMPTY(&ifp->if_addrlist))
! 114: ifnum++;
! 115: else
! 116: TAILQ_FOREACH(ifa, &ifp->if_addrlist,
! 117: ifa_list)
! 118: ifnum++;
! 119:
! 120:
! 121: DPRINTF(("SIOCGIFNUM %d\n", ifnum));
! 122: return copyout(&ifnum, data, sizeof(ifnum));
! 123: }
! 124:
! 125: case SVR4_SIOCGIFFLAGS:
! 126: {
! 127: struct ifreq br;
! 128: struct svr4_ifreq sr;
! 129:
! 130: if ((error = copyin(data, &sr, sizeof(sr))) != 0)
! 131: return error;
! 132:
! 133: (void) strlcpy(br.ifr_name, sr.svr4_ifr_name,
! 134: sizeof(br.ifr_name));
! 135:
! 136: if ((error = (*ctl)(fp, SIOCGIFFLAGS,
! 137: (caddr_t) &br, p)) != 0) {
! 138: DPRINTF(("SIOCGIFFLAGS %s: error %d\n",
! 139: sr.svr4_ifr_name, error));
! 140: return error;
! 141: }
! 142:
! 143: sr.svr4_ifr_flags = bsd_to_svr4_flags(br.ifr_flags);
! 144: DPRINTF(("SIOCGIFFLAGS %s = %x\n",
! 145: sr.svr4_ifr_name, sr.svr4_ifr_flags));
! 146: return copyout(&sr, data, sizeof(sr));
! 147: }
! 148:
! 149: case SVR4_SIOCGIFCONF:
! 150: {
! 151: struct svr4_ifconf sc;
! 152:
! 153: if ((error = copyin(data, &sc, sizeof(sc))) != 0)
! 154: return error;
! 155:
! 156: DPRINTF(("ifreq %d svr4_ifreq %d ifc_len %d\n",
! 157: sizeof(struct ifreq), sizeof(struct svr4_ifreq),
! 158: sc.svr4_ifc_len));
! 159:
! 160: if ((error = (*ctl)(fp, OSIOCGIFCONF,
! 161: (caddr_t) &sc, p)) != 0)
! 162: return error;
! 163:
! 164: DPRINTF(("SIOCGIFCONF\n"));
! 165: return 0;
! 166: }
! 167:
! 168:
! 169: default:
! 170: DPRINTF(("Unknown svr4 sockio %lx\n", cmd));
! 171: return 0; /* ENOSYS really */
! 172: }
! 173: }
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