4 * Copyright (C) 2012 by Darren Reed.
6 * See the IPFILTER.LICENCE file for details on licencing.
9 * kmemcpy() - copies n bytes from kernel memory into user buffer.
10 * returns 0 on success, -1 on error.
14 #include <sys/param.h>
15 #include <sys/types.h>
23 #include <sys/socket.h>
24 #include <sys/ioctl.h>
25 #include <netinet/in.h>
26 #include <arpa/inet.h>
27 #include <netinet/in_systm.h>
28 #include <netinet/ip.h>
38 static const char sccsid[] = "@(#)kmem.c 1.4 1/12/96 (C) 1992 Darren Reed";
39 static const char rcsid[] = "@(#)$Id$";
44 static kvm_t *kvm_f = NULL;
47 int openkmem(kern, core)
50 kvm_f = kvm_open(kern, core, NULL, O_RDONLY, NULL);
53 perror("openkmem:open");
59 int kmemcpy(buf, pos, n)
70 if (openkmem(NULL, NULL) == -1)
73 while ((r = kvm_read(kvm_f, pos, buf, n)) < n)
76 fprintf(stderr, "pos=0x%lx ", (u_long)pos);
77 perror("kmemcpy:read");
89 int kstrncpy(buf, pos, n)
100 if (openkmem(NULL, NULL) == -1)
105 r = kvm_read(kvm_f, pos, buf, 1);
108 fprintf(stderr, "pos=0x%lx ", (u_long)pos);
109 perror("kmemcpy:read");