diff options
Diffstat (limited to 'src/lib/libc/net/res_init.c')
| -rw-r--r-- | src/lib/libc/net/res_init.c | 32 | 
1 files changed, 27 insertions, 5 deletions
| diff --git a/src/lib/libc/net/res_init.c b/src/lib/libc/net/res_init.c index 33cc8d39f1..ff8e1b1e5e 100644 --- a/src/lib/libc/net/res_init.c +++ b/src/lib/libc/net/res_init.c | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $NetBSD: res_init.c,v 1.8 1995/06/03 22:33:36 mycroft Exp $ */ | 1 | /* $NetBSD: res_init.c,v 1.9 1996/02/02 15:22:30 mrg Exp $ */ | 
| 2 | 2 | ||
| 3 | /*- | 3 | /*- | 
| 4 | * Copyright (c) 1985, 1989, 1993 | 4 | * Copyright (c) 1985, 1989, 1993 | 
| @@ -56,9 +56,9 @@ | |||
| 56 | #if defined(LIBC_SCCS) && !defined(lint) | 56 | #if defined(LIBC_SCCS) && !defined(lint) | 
| 57 | #if 0 | 57 | #if 0 | 
| 58 | static char sccsid[] = "@(#)res_init.c 8.1 (Berkeley) 6/7/93"; | 58 | static char sccsid[] = "@(#)res_init.c 8.1 (Berkeley) 6/7/93"; | 
| 59 | static char rcsid[] = "$Id: res_init.c,v 4.9.1.1 1993/05/02 22:43:03 vixie Rel "; | 59 | static char rcsid[] = "$Id: res_init.c,v 8.3 1995/06/29 09:26:28 vixie Exp "; | 
| 60 | #else | 60 | #else | 
| 61 | static char rcsid[] = "$NetBSD: res_init.c,v 1.8 1995/06/03 22:33:36 mycroft Exp $"; | 61 | static char rcsid[] = "$NetBSD: res_init.c,v 1.9 1996/02/02 15:22:30 mrg Exp $"; | 
| 62 | #endif | 62 | #endif | 
| 63 | #endif /* LIBC_SCCS and not lint */ | 63 | #endif /* LIBC_SCCS and not lint */ | 
| 64 | 64 | ||
| @@ -92,11 +92,23 @@ struct __res_state _res = { | |||
| 92 | * there will have precedence. Otherwise, the server address is set to | 92 | * there will have precedence. Otherwise, the server address is set to | 
| 93 | * INADDR_ANY and the default domain name comes from the gethostname(). | 93 | * INADDR_ANY and the default domain name comes from the gethostname(). | 
| 94 | * | 94 | * | 
| 95 | * The configuration file should only be used if you want to redefine your | 95 | * An interrim version of this code (BIND 4.9, pre-4.4BSD) used 127.0.0.1 | 
| 96 | * domain or run without a server on your machine. | 96 | * rather than INADDR_ANY ("0.0.0.0") as the default name server address | 
| 97 | * since it was noted that INADDR_ANY actually meant ``the first interface | ||
| 98 | * you "ifconfig"'d at boot time'' and if this was a SLIP or PPP interface, | ||
| 99 | * it had to be "up" in order for you to reach your own name server. It | ||
| 100 | * was later decided that since the recommended practice is to always | ||
| 101 | * install local static routes through 127.0.0.1 for all your network | ||
| 102 | * interfaces, that we could solve this problem without a code change. | ||
| 103 | * | ||
| 104 | * The configuration file should always be used, since it is the only way | ||
| 105 | * to specify a default domain. If you are running a server on your local | ||
| 106 | * machine, you should say "nameserver 0.0.0.0" or "nameserver 127.0.0.1" | ||
| 107 | * in the configuration file. | ||
| 97 | * | 108 | * | 
| 98 | * Return 0 if completes successfully, -1 on error | 109 | * Return 0 if completes successfully, -1 on error | 
| 99 | */ | 110 | */ | 
| 111 | int | ||
| 100 | res_init() | 112 | res_init() | 
| 101 | { | 113 | { | 
| 102 | register FILE *fp; | 114 | register FILE *fp; | 
| @@ -107,6 +119,7 @@ res_init() | |||
| 107 | int haveenv = 0; | 119 | int haveenv = 0; | 
| 108 | int havesearch = 0; | 120 | int havesearch = 0; | 
| 109 | int nsort = 0; | 121 | int nsort = 0; | 
| 122 | int dots; | ||
| 110 | u_long mask; | 123 | u_long mask; | 
| 111 | 124 | ||
| 112 | _res.nsaddr.sin_len = sizeof(struct sockaddr_in); | 125 | _res.nsaddr.sin_len = sizeof(struct sockaddr_in); | 
| @@ -392,3 +405,12 @@ net_mask(in) /* XXX - should really use system's version of this */ | |||
| 392 | return (htonl(IN_CLASSB_NET)); | 405 | return (htonl(IN_CLASSB_NET)); | 
| 393 | return (htonl(IN_CLASSC_NET)); | 406 | return (htonl(IN_CLASSC_NET)); | 
| 394 | } | 407 | } | 
| 408 | |||
| 409 | u_int16_t | ||
| 410 | res_randomid() | ||
| 411 | { | ||
| 412 | struct timeval now; | ||
| 413 | |||
| 414 | gettimeofday(&now, NULL); | ||
| 415 | return (0xffff & (now.tv_sec ^ now.tv_usec ^ getpid())); | ||
| 416 | } | ||
