diff options
Diffstat (limited to 'lib/libc/resolv')
| -rw-r--r-- | lib/libc/resolv/Symbol.map | 1 | ||||
| -rw-r--r-- | lib/libc/resolv/res_init.c | 61 |
2 files changed, 6 insertions, 56 deletions
diff --git a/lib/libc/resolv/Symbol.map b/lib/libc/resolv/Symbol.map index 6b9c43298fb5..26daecbe2eff 100644 --- a/lib/libc/resolv/Symbol.map +++ b/lib/libc/resolv/Symbol.map @@ -103,6 +103,5 @@ FBSD_1.0 { }; FBSD_1.4 { - __res_rndinit; __res_nrandomid; }; diff --git a/lib/libc/resolv/res_init.c b/lib/libc/resolv/res_init.c index 71ab2dcb7038..5a2fce013c8c 100644 --- a/lib/libc/resolv/res_init.c +++ b/lib/libc/resolv/res_init.c @@ -86,19 +86,6 @@ #include <unistd.h> #include <netdb.h> -#ifndef HAVE_MD5 -# include "../dst/md5.h" -#else -# ifdef SOLARIS2 -# include <sys/md5.h> -# elif _LIBC -# include <md5.h> -# endif -#endif -#ifndef _MD5_H_ -# define _MD5_H_ 1 /*%< make sure we do not include rsaref md5.h file */ -#endif - #include "un-namespace.h" #include "port_after.h" @@ -184,8 +171,6 @@ __res_vinit(res_state statp, int preinit) { statp->options = RES_DEFAULT; } - statp->_rnd = malloc(16); - res_rndinit(statp); statp->id = res_nrandomid(statp); memset(u, 0, sizeof(u)); @@ -733,48 +718,18 @@ net_mask(struct in_addr in) /*!< XXX - should really use system's version of th } #endif -static u_char srnd[16]; - void -res_rndinit(res_state statp) +freebsd15_res_rndinit(res_state statp) { - struct timeval now; - u_int32_t u32; - u_int16_t u16; - u_char *rnd = statp->_rnd == NULL ? srnd : statp->_rnd; - - gettimeofday(&now, NULL); - u32 = now.tv_sec; - memcpy(rnd, &u32, 4); - u32 = now.tv_usec; - memcpy(rnd + 4, &u32, 4); - u32 += now.tv_sec; - memcpy(rnd + 8, &u32, 4); - u16 = getpid(); - memcpy(rnd + 12, &u16, 2); + (void)statp; } +__sym_compat(__res_rndinit, freebsd15_res_rndinit, FBSD_1.4); u_int res_nrandomid(res_state statp) { - struct timeval now; - u_int16_t u16; - MD5_CTX ctx; - u_char *rnd = statp->_rnd == NULL ? srnd : statp->_rnd; - - gettimeofday(&now, NULL); - u16 = (u_int16_t) (now.tv_sec ^ now.tv_usec); - memcpy(rnd + 14, &u16, 2); -#ifndef HAVE_MD5 - MD5_Init(&ctx); - MD5_Update(&ctx, rnd, 16); - MD5_Final(rnd, &ctx); -#else - MD5Init(&ctx); - MD5Update(&ctx, rnd, 16); - MD5Final(rnd, &ctx); -#endif - memcpy(&u16, rnd + 14, 2); - return ((u_int) u16); + (void) statp; + + return ((u_int)(arc4random() & 0xffff)); } /*% @@ -808,10 +763,6 @@ res_ndestroy(res_state statp) { free(statp->_u._ext.ext); statp->_u._ext.ext = NULL; } - if (statp->_rnd != NULL) { - free(statp->_rnd); - statp->_rnd = NULL; - } statp->options &= ~RES_INIT; } |