diff options
Diffstat (limited to 'contrib/opie/libopie/verify.c')
| -rw-r--r-- | contrib/opie/libopie/verify.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/contrib/opie/libopie/verify.c b/contrib/opie/libopie/verify.c deleted file mode 100644 index 990e29340fc88..0000000000000 --- a/contrib/opie/libopie/verify.c +++ /dev/null @@ -1,212 +0,0 @@ -/* verify.c: The opieverify() library function. - -%%% copyright-cmetz-96 -This software is Copyright 1996-1998 by Craig Metz, All Rights Reserved. -The Inner Net License Version 2 applies to this software. -You should have received a copy of the license with this software. If -you didn't get a copy, you may request one from <license@inner.net>. - - History: - - Modified by cmetz for OPIE 2.32. Renamed _opieparsechallenge() to - __opieparsechallenge() and handle new argument. Fixed init - response parsing bug. - Modified by cmetz for OPIE 2.31. Renamed "init" to "init-hex". - Modified by cmetz for OPIE 2.31. Renamed "init" and "RESPONSE_INIT" - to "init-hex" and "RESPONSE_INIT_HEX". Removed active attack - protection support. - Created by cmetz for OPIE 2.3 using the old verify.c as a guide. -*/ - -#include "opie_cfg.h" -#ifdef HAVE_STRING_H -#include <string.h> -#endif /* HAVE_STRING_H */ -#include "opie.h" - -#define RESPONSE_STANDARD 0 -#define RESPONSE_WORD 1 -#define RESPONSE_HEX 2 -#define RESPONSE_INIT_HEX 3 -#define RESPONSE_INIT_WORD 4 -#define RESPONSE_UNKNOWN 5 - -struct _rtrans { - int type; - char *name; -}; - -static struct _rtrans rtrans[] = { - { RESPONSE_WORD, "word" }, - { RESPONSE_HEX, "hex" }, - { RESPONSE_INIT_HEX, "init-hex" }, - { RESPONSE_INIT_WORD, "init-word" }, - { RESPONSE_STANDARD, "" }, - { RESPONSE_UNKNOWN, NULL } -}; - -static char *algids[] = { NULL, NULL, NULL, "sha1", "md4", "md5" }; - -static int changed FUNCTION((opie), struct opie *opie) -{ - struct opie opie2; - - memset(&opie2, 0, sizeof(struct opie)); - opie2.opie_principal = opie->opie_principal; - if (__opiereadrec(&opie2)) - return 1; - - if ((opie2.opie_n != opie->opie_n) || strcmp(opie2.opie_val, opie->opie_val) || strcmp(opie2.opie_seed, opie->opie_seed)) - return 1; - - memset(&opie2, 0, sizeof(struct opie)); - return 0; -} - -int opieverify FUNCTION((opie, response), struct opie *opie AND char *response) -{ - int i, rval = -1; - char *c; - char key[8], fkey[8], lastkey[8]; - struct opie nopie; - - if (!opie || !response) - goto verret; - - if (!opie->opie_principal) -#if DEBUG - abort(); -#else /* DEBUG */ - goto verret; -#endif /* DEBUG */ - - if (!opieatob8(lastkey, opie->opie_val)) - goto verret; - - if (c = strchr(response, ':')) { - *(c++) = 0; - { - struct _rtrans *r; - for (r = rtrans; r->name && strcmp(r->name, response); r++); - i = r->type; - } - } else - i = RESPONSE_STANDARD; - - switch(i) { - case RESPONSE_STANDARD: - i = 1; - - if (opieetob(key, response) == 1) { - memcpy(fkey, key, sizeof(key)); - opiehash(fkey, MDX); - i = memcmp(fkey, lastkey, sizeof(key)); - } - if (i && opieatob8(key, response)) { - memcpy(fkey, key, sizeof(key)); - opiehash(fkey, MDX); - i = memcmp(fkey, lastkey, sizeof(key)); - } - break; - case RESPONSE_WORD: - i = 1; - - if (opieetob(key, c) == 1) { - memcpy(fkey, key, sizeof(key)); - opiehash(fkey, MDX); - i = memcmp(fkey, lastkey, sizeof(key)); - } - break; - case RESPONSE_HEX: - i = 1; - - if (opieatob8(key, c)) { - memcpy(fkey, key, sizeof(key)); - opiehash(fkey, MDX); - i = memcmp(fkey, lastkey, sizeof(key)); - } - break; - case RESPONSE_INIT_HEX: - case RESPONSE_INIT_WORD: - { - char *c2; - - if (!(c2 = strchr(c, ':'))) - goto verret; - - *(c2++) = 0; - - if (i == RESPONSE_INIT_HEX) { - if (!opieatob8(key, c)) - goto verret; - } else { - if (opieetob(key, c) != 1) - goto verret; - } - - memcpy(fkey, key, sizeof(key)); - opiehash(fkey, MDX); - - if (memcmp(fkey, lastkey, sizeof(key))) - goto verret; - - if (changed(opie)) - goto verret; - - opie->opie_n--; - - if (!opiebtoa8(opie->opie_val, key)) - goto verret; - - if (__opiewriterec(opie)) - goto verret; - - if (!(c2 = strchr(c = c2, ':'))) - goto verret; - - *(c2++) = 0; - - { - int j, k; - - if (__opieparsechallenge(c, &j, &(opie->opie_n), &(opie->opie_seed), &k) || (j != MDX) || k) - goto verret; - } - - if (i == RESPONSE_INIT_HEX) { - if (!opieatob8(key, c2)) - goto verret; - } else { - if (opieetob(key, c2) != 1) - goto verret; - } - } - goto verwrt; - case RESPONSE_UNKNOWN: - rval = 1; - goto verret; - default: - rval = -1; - goto verret; - } - - if (i) { - rval = 1; - goto verret; - } - - if (changed(opie)) - goto verret; - - opie->opie_n--; - -verwrt: - if (!opiebtoa8(opie->opie_val, key)) - goto verret; - rval = __opiewriterec(opie); - -verret: - opieunlock(); - memset(opie, 0, sizeof(struct opie)); - return rval; -} |