diff options
Diffstat (limited to 'libcrypt')
| -rw-r--r-- | libcrypt/md5.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/libcrypt/md5.c b/libcrypt/md5.c index 841ed8342..445cb6966 100644 --- a/libcrypt/md5.c +++ b/libcrypt/md5.c @@ -76,6 +76,7 @@ #include <sys/types.h> #include <string.h> #include <unistd.h> +#include <malloc.h> #include <stdio.h> #include <crypt.h> #include <sys/cdefs.h> @@ -95,7 +96,10 @@ static void __md5_Final (unsigned char [16], struct MD5Context *); static void __md5_Transform __P((u_int32_t [4], const unsigned char [64])); -static const unsigned char __md5__magic[] = "$1$"; /* This string is magic for this algorithm. Having +#define MD5_MAGIC_STR "$1$" +#define MD5_MAGIC_LEN (sizeof(MD5_MAGIC_STR) - 1) +static const unsigned char __md5__magic[] = MD5_MAGIC_STR; + /* This string is magic for this algorithm. Having it this way, we can get better later on */ static const unsigned char __md5_itoa64[] = /* 0 ... 63 => ascii - 64 */ "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; @@ -534,21 +538,24 @@ static void __md5_to64( char *s, unsigned long v, int n) char *__md5_crypt(const unsigned char *pw, const unsigned char *salt) { /* Static stuff */ - static const unsigned char *sp, *ep; - static char passwd[120], *p; + static char *passwd; + const unsigned char *sp, *ep; + char *p; unsigned char final[17]; /* final[16] exists only to aid in looping */ - int sl,pl,i,__md5__magic_len,pw_len; + int sl,pl,i,pw_len; struct MD5Context ctx,ctx1; unsigned long l; + if (!passwd) + passwd = __uc_malloc(120); + /* Refine the Salt first */ sp = salt; /* If it starts with the magic string, then skip that */ - __md5__magic_len = strlen(__md5__magic); - if(!strncmp(sp,__md5__magic,__md5__magic_len)) - sp += __md5__magic_len; + if(!strncmp(sp,__md5__magic,MD5_MAGIC_LEN)) + sp += MD5_MAGIC_LEN; /* It stops at the first '$', max 8 chars */ for(ep=sp;*ep && *ep != '$' && ep < (sp+8);ep++) @@ -564,7 +571,7 @@ char *__md5_crypt(const unsigned char *pw, const unsigned char *salt) __md5_Update(&ctx,pw,pw_len); /* Then our magic string */ - __md5_Update(&ctx,__md5__magic,__md5__magic_len); + __md5_Update(&ctx,__md5__magic,MD5_MAGIC_LEN); /* Then the raw salt */ __md5_Update(&ctx,sp,sl); |