X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/388a146a2c587d56be04025c768708a606bec6a1..f5af5cd541f36c82930695d27041e1ded0e24e5c:/bsd-misc.c diff --git a/bsd-misc.c b/bsd-misc.c index 83822cad..59814946 100644 --- a/bsd-misc.c +++ b/bsd-misc.c @@ -9,11 +9,6 @@ * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Markus Friedl. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES @@ -27,112 +22,9 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -#include "config.h" - -#include -#include -#include -#include -#include - -#include -#include -#include -#ifdef HAVE_STDDEF_H -#include -#endif - +#include "includes.h" #include "xmalloc.h" #include "ssh.h" -#include "bsd-misc.h" -#include "entropy.h" - -#ifndef HAVE_ARC4RANDOM - -typedef struct -{ - unsigned int s[256]; - int i; - int j; -} rc4_t; - -void rc4_key(rc4_t *r, unsigned char *key, int len); -void rc4_getbytes(rc4_t *r, unsigned char *buffer, int len); - -static rc4_t *rc4 = NULL; - -void rc4_key(rc4_t *r, unsigned char *key, int len) -{ - int t; - - for(r->i = 0; r->i < 256; r->i++) - r->s[r->i] = r->i; - - r->j = 0; - for(r->i = 0; r->i < 256; r->i++) - { - r->j = (r->j + r->s[r->i] + key[r->i % len]) % 256; - t = r->s[r->i]; - r->s[r->i] = r->s[r->j]; - r->s[r->j] = t; - } - r->i = r->j = 0; -} - -void rc4_getbytes(rc4_t *r, unsigned char *buffer, int len) -{ - int t; - int c; - - c = 0; - while(c < len) - { - r->i = (r->i + 1) % 256; - r->j = (r->j + r->s[r->i]) % 256; - t = r->s[r->i]; - r->s[r->i] = r->s[r->j]; - r->s[r->j] = t; - - t = (r->s[r->i] + r->s[r->j]) % 256; - - buffer[c] = r->s[t]; - c++; - } -} - -unsigned int arc4random(void) -{ - unsigned int r; - - if (rc4 == NULL) - arc4random_stir(); - - rc4_getbytes(rc4, (unsigned char *)&r, sizeof(r)); - - return(r); -} - -void arc4random_stir(void) -{ - unsigned char rand_buf[32]; - - if (rc4 == NULL) - rc4 = xmalloc(sizeof(*rc4)); - - seed_rng(); - RAND_bytes(rand_buf, sizeof(rand_buf)); - - rc4_key(rc4, rand_buf, sizeof(rand_buf)); - memset(rand_buf, 0, sizeof(rand_buf)); -} -#endif /* !HAVE_ARC4RANDOM */ - -#ifndef HAVE_SETPROCTITLE -void setproctitle(const char *fmt, ...) -{ - /* FIXME */ -} -#endif /* !HAVE_SETPROCTITLE */ #ifndef HAVE_SETLOGIN int setlogin(const char *name) @@ -155,3 +47,16 @@ int seteuid(uid_t euid) return(setreuid(-1,euid)); } #endif /* !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) */ + +#if !defined(HAVE_STRERROR) && defined(HAVE_SYS_ERRLIST) && defined(HAVE_SYS_NERR) +const char *strerror(int e) +{ + extern int sys_nerr; + extern char *sys_errlist[]; + + if ((e >= 0) || (e < sys_nerr)) + return("unlisted error"); + else + return(sys_errlist[e]); +} +#endif