diff options
Diffstat (limited to 'ipsec-tools/src/racoon/misc.c')
| -rw-r--r-- | ipsec-tools/src/racoon/misc.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/ipsec-tools/src/racoon/misc.c b/ipsec-tools/src/racoon/misc.c new file mode 100644 index 00000000..91b8e772 --- /dev/null +++ b/ipsec-tools/src/racoon/misc.c @@ -0,0 +1,182 @@ +/* $NetBSD: misc.c,v 1.6 2008/07/15 00:47:09 mgrooms Exp $ */ + +/* $KAME: misc.c,v 1.23 2001/08/16 14:37:29 itojun Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * 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. Neither the name of the project 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 PROJECT 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 PROJECT 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 "config.h" + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/time.h> + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <syslog.h> +#include <ctype.h> +#include <fcntl.h> + +#include "var.h" +#include "misc.h" +#include "debug.h" + +#if 0 +static int bindump __P((void *, size_t)); + +static int +bindump(buf0, len) + void *buf0; + size_t len; +{ + unsigned char *buf = (unsigned char *)buf0; + size_t i; + + for (i = 0; i < len; i++) { + if ((buf[i] & 0x80) || !isprint(buf[i])) + printf("\\x%x", buf[i]); + else + printf("%c", buf[i]); + } + printf("\n"); + + return 0; +} +#endif + +int +racoon_hexdump(buf0, len) + void *buf0; + size_t len; +{ + caddr_t buf = (caddr_t)buf0; + size_t i; + + for (i = 0; i < len; i++) { + if (i != 0 && i % 32 == 0) + printf("\n"); + if (i % 4 == 0) + printf(" "); + printf("%02x", (unsigned char)buf[i]); + } + printf("\n"); + + return 0; +} + +char * +bit2str(n, bl) + int n, bl; +{ +#define MAXBITLEN 128 + static char b[MAXBITLEN + 1]; + int i; + + if (bl > MAXBITLEN) + return "Failed to convert."; /* NG */ + memset(b, '0', bl); + b[bl] = '\0'; + + for (i = 0; i < bl; i++) { + if (n & (1 << i)) + b[bl - 1 - i] = '1'; + } + + return b; +} + +const char * +debug_location(file, line, func) + const char *file; + int line; + const char *func; +{ + static char buf[1024]; + const char *p; + + /* truncate pathname */ + p = strrchr(file, '/'); + if (p) + p++; + else + p = file; + + if (func) + snprintf(buf, sizeof(buf), "%s:%d:%s()", p, line, func); + else + snprintf(buf, sizeof(buf), "%s:%d", p, line); + + return buf; +} + +/* + * get file size. + * -1: error occured. + */ +int +getfsize(path) + char *path; +{ + struct stat st; + + if (stat(path, &st) != 0) + return -1; + else + return st.st_size; +} + +/* + * set the close-on-exec flag for file descriptor fd. + */ +void +close_on_exec(fd) + int fd; +{ + fcntl(fd, F_SETFD, FD_CLOEXEC); +} + +/* + * calculate the difference between two times. + * t1: start + * t2: end + */ +double +timedelta(t1, t2) + struct timeval *t1, *t2; +{ + if (t2->tv_usec >= t1->tv_usec) + return t2->tv_sec - t1->tv_sec + + (double)(t2->tv_usec - t1->tv_usec) / 1000000; + + return t2->tv_sec - t1->tv_sec - 1 + + (double)(1000000 + t2->tv_usec - t1->tv_usec) / 1000000; +} |