diff options
Diffstat (limited to 'contrib/ipfilter/kmem.c')
| -rw-r--r-- | contrib/ipfilter/kmem.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/contrib/ipfilter/kmem.c b/contrib/ipfilter/kmem.c deleted file mode 100644 index 5723ba3..0000000 --- a/contrib/ipfilter/kmem.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (C) 1993-2002 by Darren Reed. - * - * See the IPFILTER.LICENCE file for details on licencing. - */ -/* - * kmemcpy() - copies n bytes from kernel memory into user buffer. - * returns 0 on success, -1 on error. - */ - -#if defined(__sgi) && (IRIX > 602) -# include <sys/ptimers.h> -#endif -#include <stdio.h> -#include <sys/param.h> -#include <sys/types.h> -#include <unistd.h> -#include <string.h> -#include <fcntl.h> -#include <stdlib.h> -#include <sys/file.h> -#ifndef __sgi -#include <kvm.h> -#endif -#include <fcntl.h> -#include <sys/socket.h> -#include <sys/ioctl.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <netinet/in_systm.h> -#include <netinet/ip.h> -#include <net/if.h> -#if __FreeBSD_version >= 300000 -# include <net/if_var.h> -#endif - -#include "kmem.h" -#include "netinet/ip_compat.h" -#include "netinet/ip_fil.h" -#include "ipf.h" - - -#ifndef __STDC__ -# define const -#endif - -#if !defined(lint) -static const char sccsid[] = "@(#)kmem.c 1.4 1/12/96 (C) 1992 Darren Reed"; -static const char rcsid[] = "@(#)$Id: kmem.c,v 2.2.2.18 2003/11/09 17:22:22 darrenr Exp $"; -#endif - -#ifdef __sgi -typedef int kvm_t; - -static int kvm_fd = -1; -static char *kvm_errstr = NULL; - -kvm_t *kvm_open(kernel, core, swap, mode, errstr) -char *kernel, *core, *swap; -int mode; -char *errstr; -{ - kvm_errstr = errstr; - - if (core == NULL) - core = "/dev/kmem"; - kvm_fd = open(core, mode); - return (kvm_fd >= 0) ? (kvm_t *)&kvm_fd : NULL; -} - -int kvm_read(kvm, pos, buffer, size) -kvm_t *kvm; -u_long pos; -char *buffer; -size_t size; -{ - size_t left; - char *bufp; - int r; - - if (lseek(*kvm, pos, 0) == -1) { - if (kvm_errstr != NULL) { - fprintf(stderr, "%s:", kvm_errstr); - perror("lseek"); - } - return -1; - } - - for (bufp = buffer, left = size; left > 0; bufp += r, left -= r) { - r = read(*kvm, bufp, 1); - if (r <= 0) - return -1; - } - return size; -} -#endif - -static kvm_t *kvm_f = NULL; - -int openkmem(kern, core) -char *kern, *core; -{ - union { - int ui; - kvm_t *uk; - } k; - - kvm_f = kvm_open(kern, core, NULL, O_RDONLY, NULL); - if (kvm_f == NULL) - { - perror("openkmem:open"); - return -1; - } - k.uk = kvm_f; - return k.ui; -} - -int kmemcpy(buf, pos, n) -register char *buf; -long pos; -register int n; -{ - register int r; - - if (!n) - return 0; - - if (kvm_f == NULL) - if (openkmem(NULL, NULL) == -1) - return -1; - - while ((r = kvm_read(kvm_f, pos, buf, (size_t)n)) < n) - if (r <= 0) - { - fprintf(stderr, "pos=0x%x ", (u_int)pos); - perror("kmemcpy:read"); - return -1; - } - else - { - buf += r; - pos += r; - n -= r; - } - return 0; -} - -int kstrncpy(buf, pos, n) -register char *buf; -long pos; -register int n; -{ - register int r; - - if (!n) - return 0; - - if (kvm_f == NULL) - if (openkmem(NULL, NULL) == -1) - return -1; - - while (n > 0) - { - r = kvm_read(kvm_f, pos, buf, (size_t)1); - if (r <= 0) - { - fprintf(stderr, "pos=0x%x ", (u_int)pos); - perror("kstrncpy:read"); - return -1; - } - else - { - if (*buf == '\0') - break; - buf++; - pos++; - n--; - } - } - return 0; -} - - -/* - * Given a pointer to an interface in the kernel, return a pointer to a - * string which is the interface name. - */ -char *getifname(ptr) -void *ptr; -{ -#if SOLARIS - char *ifname; - ill_t ill; - - if (ptr == (void *)-1) - return "!"; - if (ptr == NULL) - return "-"; - - if (kmemcpy((char *)&ill, (u_long)ptr, sizeof(ill)) == -1) - return "X"; - ifname = malloc(ill.ill_name_length + 1); - if (kmemcpy(ifname, (u_long)ill.ill_name, - ill.ill_name_length) == -1) - return "X"; - return ifname; -#else -# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \ - defined(__OpenBSD__) || \ - (defined(__FreeBSD__) && (__FreeBSD_version >= 501113)) -#else - char buf[32]; - int len; -# endif - struct ifnet netif; - - if (ptr == (void *)-1) - return "!"; - if (ptr == NULL) - return "-"; - - if (kmemcpy((char *)&netif, (u_long)ptr, sizeof(netif)) == -1) - return "X"; -# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \ - defined(__OpenBSD__) || \ - (defined(__FreeBSD__) && (__FreeBSD_version >= 501113)) - return strdup(netif.if_xname); -# else - if (kstrncpy(buf, (u_long)netif.if_name, sizeof(buf)) == -1) - return "X"; - if (netif.if_unit < 10) - len = 2; - else if (netif.if_unit < 1000) - len = 3; - else if (netif.if_unit < 10000) - len = 4; - else - len = 5; - buf[sizeof(buf) - len] = '\0'; - sprintf(buf + strlen(buf), "%d", netif.if_unit % 10000); - return strdup(buf); -# endif -#endif -} |
