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| author | Richard Levitte <levitte@openssl.org> | 2001-07-11 18:13:36 +0200 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2001-07-11 18:13:36 +0200 |
| commit | ab603c6987f72a8b8771a8ad8ae24f3431c3ec5c (patch) | |
| tree | af3d06c57b08d35611ed84b499347eab8b22e377 /ssl/kssl.c | |
| parent | Typo... (diff) | |
| download | openssl-ab603c6987f72a8b8771a8ad8ae24f3431c3ec5c.tar.xz openssl-ab603c6987f72a8b8771a8ad8ae24f3431c3ec5c.zip | |
Code to avoid the use of non-standard strptime(). By
Jeffrey Altman <jaltman@columbia.edu>
(Really, the time that's being parsed is a GeneralizedTime, so if
ASN1_GENERALIZEDTIME_get() ever gets implemented, it should be used
instead)
Diffstat (limited to 'ssl/kssl.c')
| -rw-r--r-- | ssl/kssl.c | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/ssl/kssl.c b/ssl/kssl.c index c086971c5d..7f9685a43d 100644 --- a/ssl/kssl.c +++ b/ssl/kssl.c @@ -71,6 +71,7 @@ #define _XOPEN_SOURCE /* glibc2 needs this to declare strptime() */ #include <time.h> #include <string.h> +#include <ctype.h> #include <openssl/ssl.h> #include <openssl/evp.h> @@ -1568,7 +1569,7 @@ kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session) void kssl_ctx_show(KSSL_CTX *kssl_ctx) { - int i; + unsigned int i; printf("kssl_ctx: "); if (kssl_ctx == NULL) @@ -1697,9 +1698,6 @@ krb5_error_code kssl_check_authent( unsigned char iv[EVP_MAX_IV_LENGTH]; unsigned char *p, *unenc_authent, *tbuf = NULL; int padl, outl, unencbufsize; - struct tm tm_time, *tm_l, *tm_g; - time_t now, tl, tg, tz_offset; - char * strptime(); *atimep = 0; kssl_err_set(kssl_err, 0, ""); @@ -1797,16 +1795,49 @@ krb5_error_code kssl_check_authent( } else strncpy(tbuf, auth->ctime->data, auth->ctime->length); - if ((char *)strptime(tbuf, "%Y%m%d%H%M%S", &tm_time) != NULL) + if ( auth->ctime->length >= 9 && auth->ctime->length <= 14 ) + /* tbuf == "%Y%m%d%H%M%S" */ { + struct tm tm_time, *tm_l, *tm_g; + time_t now, tl, tg, tr, tz_offset; + int i; + char *p = tbuf; + + memset(&tm_time,0,sizeof(struct tm)); + for ( i=0; + i<4 && isdigit(*p); + i++, p++ ) + tm_time.tm_year = tm_time.tm_year*10 + (*p-'0'); + for ( i=0; + i<2 && isdigit(*p) && tm_time.tm_mon <= 1; + i++, p++ ) + tm_time.tm_mon = tm_time.tm_mon*10 + (*p-'0'); + for ( i=0; + i<2 && isdigit(*p) && tm_time.tm_mday <= 3; + i++, p++ ) + tm_time.tm_mday = tm_time.tm_mday*10 + (*p-'0'); + for ( i=0; + i<2 && isdigit(*p) && tm_time.tm_hour <= 2; + i++, p++ ) + tm_time.tm_hour = tm_time.tm_hour*10 + (*p-'0'); + for ( i=0; + i<2 && isdigit(*p) && tm_time.tm_min <= 6; + i++, p++ ) + tm_time.tm_min = tm_time.tm_min*10 + (*p-'0'); + for ( i=0; + i<2 && isdigit(*p) && tm_time.tm_sec <= 6; + i++, p++ ) + tm_time.tm_sec = tm_time.tm_sec*10 + (*p-'0'); + now = time(&now); tm_l = localtime(&now); tl = mktime(tm_l); tm_g = gmtime(&now); tg = mktime(tm_g); tz_offset = tg - tl; + tr = mktime(&tm_time); - *atimep = mktime(&tm_time) - tz_offset; + if (tr != (time_t)(-1)) + *atimep = mktime(&tm_time) - tz_offset; } - #ifdef KSSL_DEBUG printf("kssl_check_authent: client time %s = %d\n", tbuf, *atimep); #endif /* KSSL_DEBUG */ |