diff options
Diffstat (limited to 'src/libfreeswan/atosa.c')
| -rw-r--r-- | src/libfreeswan/atosa.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/src/libfreeswan/atosa.c b/src/libfreeswan/atosa.c deleted file mode 100644 index 7339b4c3e..000000000 --- a/src/libfreeswan/atosa.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * convert from ASCII form of SA ID to binary - * Copyright (C) 1998, 1999 Henry Spencer. - * - * This library is free software; you can redistribute it and/or modify it - * under the terms of the GNU Library General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>. - * - * This library is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public - * License for more details. - */ -#include "internal.h" -#include "freeswan.h" - -static struct satype { - char *prefix; - size_t prelen; /* strlen(prefix) */ - int proto; -} satypes[] = { - { "ah", 2, SA_AH }, - { "esp", 3, SA_ESP }, - { "tun", 3, SA_IPIP }, - { "comp", 4, SA_COMP }, - { NULL, 0, 0, } -}; - -/* - - atosa - convert ASCII "ah507@10.0.0.1" to SA identifier - */ -const char * /* NULL for success, else string literal */ -atosa(src, srclen, sa) -const char *src; -size_t srclen; /* 0 means "apply strlen" */ -struct sa_id *sa; -{ - const char *at; - const char *addr; - const char *spi = NULL; - struct satype *sat; - unsigned long ul; - const char *oops; -# define MINLEN 5 /* ah0@0 is as short as it can get */ - static char ptname[] = PASSTHROUGHNAME; -# define PTNLEN (sizeof(ptname)-1) /* -1 for NUL */ - - if (srclen == 0) - srclen = strlen(src); - if (srclen == 0) - return "empty string"; - if (srclen < MINLEN) - return "string too short to be SA specifier"; - if (srclen == PTNLEN && memcmp(src, ptname, PTNLEN) == 0) { - src = PASSTHROUGHIS; - srclen = strlen(src); - } - - at = memchr(src, '@', srclen); - if (at == NULL) - return "no @ in SA specifier"; - - for (sat = satypes; sat->prefix != NULL; sat++) - if (sat->prelen < srclen && - strncmp(src, sat->prefix, sat->prelen) == 0) { - sa->proto = sat->proto; - spi = src + sat->prelen; - break; /* NOTE BREAK OUT */ - } - if (sat->prefix == NULL) - return "SA specifier lacks valid protocol prefix"; - - if (spi >= at) - return "no SPI in SA specifier"; - oops = atoul(spi, at - spi, 13, &ul); - if (oops != NULL) - return oops; - sa->spi = htonl(ul); - - addr = at + 1; - oops = atoaddr(addr, srclen - (addr - src), &sa->dst); - if (oops != NULL) - return oops; - - return NULL; -} - - - -#ifdef ATOSA_MAIN - -#include <stdio.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> - -void regress(void); - -int -main(int argc, char *argv[]) -{ - struct sa_id sa; - char buf[100]; - const char *oops; - size_t n; - - if (argc < 2) { - fprintf(stderr, "Usage: %s {ahnnn@aaa|-r}\n", argv[0]); - exit(2); - } - - if (strcmp(argv[1], "-r") == 0) { - regress(); - fprintf(stderr, "regress() returned?!?\n"); - exit(1); - } - - oops = atosa(argv[1], 0, &sa); - if (oops != NULL) { - fprintf(stderr, "%s: conversion failed: %s\n", argv[0], oops); - exit(1); - } - n = satoa(sa, 0, buf, sizeof(buf)); - if (n > sizeof(buf)) { - fprintf(stderr, "%s: reverse conv of `%d'", argv[0], sa.proto); - fprintf(stderr, "%lu@", (long unsigned int)sa.spi); - fprintf(stderr, "%s", inet_ntoa(sa.dst)); - fprintf(stderr, " failed: need %ld bytes, have only %ld\n", - (long)n, (long)sizeof(buf)); - exit(1); - } - printf("%s\n", buf); - - exit(0); -} - -struct rtab { - char *input; - char *output; /* NULL means error expected */ -} rtab[] = { - {"esp257@1.2.3.0", "esp257@1.2.3.0"}, - {"ah0x20@1.2.3.4", "ah32@1.2.3.4"}, - {"tun011@111.2.3.99", "tun11@111.2.3.99"}, - {"", NULL}, - {"_", NULL}, - {"ah2.2", NULL}, - {"goo2@1.2.3.4", NULL}, - {"esp9@1.2.3.4", "esp9@1.2.3.4"}, - {"espp9@1.2.3.4", NULL}, - {"es9@1.2.3.4", NULL}, - {"ah@1.2.3.4", NULL}, - {"esp7x7@1.2.3.4", NULL}, - {"esp77@1.0x2.3.4", NULL}, - {PASSTHROUGHNAME, PASSTHROUGHNAME}, - {NULL, NULL} -}; - -void -regress(void) -{ - struct rtab *r; - int status = 0; - struct sa_id sa; - char in[100]; - char buf[100]; - const char *oops; - size_t n; - - for (r = rtab; r->input != NULL; r++) { - strcpy(in, r->input); - oops = atosa(in, 0, &sa); - if (oops != NULL && r->output == NULL) - {} /* okay, error expected */ - else if (oops != NULL) { - printf("`%s' atosa failed: %s\n", r->input, oops); - status = 1; - } else if (r->output == NULL) { - printf("`%s' atosa succeeded unexpectedly\n", - r->input); - status = 1; - } else { - n = satoa(sa, 'd', buf, sizeof(buf)); - if (n > sizeof(buf)) { - printf("`%s' satoa failed: need %ld\n", - r->input, (long)n); - status = 1; - } else if (strcmp(r->output, buf) != 0) { - printf("`%s' gave `%s', expected `%s'\n", - r->input, buf, r->output); - status = 1; - } - } - } - exit(status); -} - -#endif /* ATOSA_MAIN */ |