diff options
Diffstat (limited to 'contrib/ipfilter/lib/kmem.c')
| -rw-r--r-- | contrib/ipfilter/lib/kmem.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/contrib/ipfilter/lib/kmem.c b/contrib/ipfilter/lib/kmem.c deleted file mode 100644 index 07830fb..0000000 --- a/contrib/ipfilter/lib/kmem.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * Copyright (C) 2000-2005 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. - */ - -#include <stdio.h> -#include <sys/param.h> -#include <sys/types.h> -#include <sys/uio.h> -#include <unistd.h> -#include <string.h> -#include <fcntl.h> -#include <sys/file.h> -#if !defined(__sgi) && !defined(__hpux) && !defined(__osf__) && !defined(linux) && !defined(_AIX51) -#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 -#if defined(linux) || defined(__osf__) || defined(__sgi) || defined(__hpux) -# include <stdlib.h> -#endif - -#include "kmem.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 1.16.2.3 2006/06/16 17:21:04 darrenr Exp $"; -#endif - - - -#if !defined(__sgi) && !defined(__hpux) && !defined(__osf__) && \ - !defined(linux) && !defined(_AIX51) -/* - * For all platforms where there is a libkvm and a kvm_t, we use that... - */ -static kvm_t *kvm_f = NULL; - -#else -/* - *...and for the others (HP-UX, IRIX, Tru64), we have to provide our own. - */ - -typedef int * kvm_t; - -static kvm_t kvm_f = NULL; -static char *kvm_errstr = NULL; - -kvm_t kvm_open __P((char *, char *, char *, int, char *)); -int kvm_read __P((kvm_t, u_long, char *, size_t)); - -kvm_t kvm_open(kernel, core, swap, mode, errstr) -char *kernel, *core, *swap; -int mode; -char *errstr; -{ - kvm_t k; - int fd; - - kvm_errstr = errstr; - - if (core == NULL) - core = "/dev/kmem"; - - fd = open(core, mode); - if (fd == -1) - return NULL; - k = malloc(sizeof(*k)); - if (k == NULL) - return NULL; - *k = fd; - return k; -} - -int kvm_read(kvm, pos, buffer, size) -kvm_t kvm; -u_long pos; -char *buffer; -size_t size; -{ - int r = 0, left; - char *bufp; - - 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, left); -#ifdef __osf__ - /* - * Tru64 returns "0" for successful operation, not the number - * of bytes read. - */ - if (r == 0) - r = left; -#endif - if (r <= 0) - return -1; - } - return r; -} -#endif /* !defined(__sgi) && !defined(__hpux) && !defined(__osf__) */ - -int openkmem(kern, core) -char *kern, *core; -{ - kvm_f = kvm_open(kern, core, NULL, O_RDONLY, NULL); - if (kvm_f == NULL) - { - perror("openkmem:open"); - return -1; - } - return kvm_f != NULL; -} - -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, n)) < n) - if (r <= 0) - { - fprintf(stderr, "pos=0x%lx ", (u_long)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, 1); - if (r <= 0) - { - fprintf(stderr, "pos=0x%lx ", (u_long)pos); - perror("kmemcpy:read"); - return -1; - } - else - { - if (*buf == '\0') - break; - buf++; - pos++; - n--; - } - } - return 0; -} |
