diff options
Diffstat (limited to 'source3/lib/genrand.c')
| -rw-r--r-- | source3/lib/genrand.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/source3/lib/genrand.c b/source3/lib/genrand.c index 4590b812c5..076a2fd518 100644 --- a/source3/lib/genrand.c +++ b/source3/lib/genrand.c @@ -21,7 +21,7 @@ #include "includes.h" -static unsigned char smb_arc4_state[258]; +static struct arcfour_state smb_arc4_state; static uint32 counter; static bool done_reseed = False; @@ -89,6 +89,7 @@ static void do_filehash(const char *fname, unsigned char *the_hash) static int do_reseed(bool use_fd, int fd) { unsigned char seed_inbuf[40]; + DATA_BLOB seed_blob = { seed_inbuf, 40 }; uint32 v1, v2; struct timeval tval; pid_t mypid; struct passwd *pw; int reseed_data = 0; @@ -146,7 +147,7 @@ static int do_reseed(bool use_fd, int fd) seed_inbuf[i] ^= ((char *)(&reseed_data))[i % sizeof(reseed_data)]; } - smb_arc4_init(smb_arc4_state, seed_inbuf, sizeof(seed_inbuf)); + arcfour_init(&smb_arc4_state, &seed_blob); return -1; } @@ -155,7 +156,7 @@ static int do_reseed(bool use_fd, int fd) Interface to the (hopefully) good crypto random number generator. ********************************************************************/ -void generate_random_buffer( unsigned char *out, int len) +void generate_random_buffer(uint8_t *out, int len) { static int urand_fd = -1; unsigned char md4_buf[64]; @@ -190,7 +191,7 @@ void generate_random_buffer( unsigned char *out, int len) while(len > 0) { int copy_len = len > 16 ? 16 : len; - smb_arc4_crypt(smb_arc4_state, md4_buf, sizeof(md4_buf)); + arcfour_crypt_sbox(&smb_arc4_state, md4_buf, sizeof(md4_buf)); mdfour(tmp_buf, md4_buf, sizeof(md4_buf)); memcpy(p, tmp_buf, copy_len); p += copy_len; @@ -204,15 +205,11 @@ void generate_random_buffer( unsigned char *out, int len) static char c_list[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_-#.,"; -char *generate_random_str(size_t len) +char *generate_random_str(TALLOC_CTX *mem_ctx, size_t len) { - static unsigned char retstr[256]; + unsigned char *retstr = talloc_zero_array(mem_ctx, unsigned char, len); size_t i; - memset(retstr, '\0', sizeof(retstr)); - - if (len > sizeof(retstr)-1) - len = sizeof(retstr) -1; generate_random_buffer( retstr, len); for (i = 0; i < len; i++) retstr[i] = c_list[ retstr[i] % (sizeof(c_list)-1) ]; |