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support for lookup keyword in resolv.conf

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This commit is contained in:
deraadt 1994-01-28 03:10:35 +00:00
parent cac819eb3b
commit 7b729d55a0
1 changed files with 29 additions and 1 deletions
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30
lib/libc/net/res_init.c
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@ -33,7 +33,7 @@
#if defined(LIBC_SCCS) && !defined(lint)
/*static char *sccsid = "from: @(#)res_init.c 6.15 (Berkeley) 2/24/91";*/
static char *rcsid = "$Id: res_init.c,v 1.3 1993/08/26 00:46:17 jtc Exp $";
static char *rcsid = "$Id: res_init.c,v 1.4 1994/01/28 03:10:35 deraadt Exp $";
#endif /* LIBC_SCCS and not lint */
#include <sys/param.h>
@ -107,6 +107,34 @@ res_init()
havesearch = 0;
continue;
}
/* lookup types */
if (!strncmp(buf, "lookup", sizeof("lookup") -1)) {
if (_res.lookups[0])
continue;
cp = buf + sizeof("lookup") - 1;
while (*cp == ' ' || *cp == '\t')
cp++;
for (n = 0; *cp && n < MAXDNSLUS; ) {
if ((*cp == '\0') || (*cp == '\n')) {
n = MAXDNSLUS;
continue;
}
if (!strncmp(cp, "bind", sizeof("bind")-1))
_res.lookups[n++] = 'b';
#ifdef YP
else if (!strncmp(cp, "yp", sizeof("yp")-1))
_res.lookups[n++] = 'y';
#endif
else if (!strncmp(cp, "file", sizeof("file")-1))
_res.lookups[n++] = 'f';
while (*cp != ' ' && *cp != '\t' &&
*cp != '\n' && *cp != '\0')
cp++;
while (*cp == ' ' || *cp == '\t')
cp++;
}
continue;
}
/* set search list */
if (!strncmp(buf, "search", sizeof("search") - 1)) {
if (haveenv) /* skip if have from environ */