mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-18 00:21:25 +01:00
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 1983, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 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 the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char sccsid[] = "@(#)getprotoent.c 8.1 (Berkeley) 6/4/93";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netdb.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#define MAXALIASES 35
|
|
|
|
static FILE *protof = NULL;
|
|
static char line[BUFSIZ+1];
|
|
static struct protoent proto;
|
|
static char *proto_aliases[MAXALIASES];
|
|
int _proto_stayopen;
|
|
|
|
void
|
|
setprotoent(f)
|
|
int f;
|
|
{
|
|
if (protof == NULL)
|
|
protof = fopen(_PATH_PROTOCOLS, "r" );
|
|
else
|
|
rewind(protof);
|
|
_proto_stayopen |= f;
|
|
}
|
|
|
|
void
|
|
endprotoent()
|
|
{
|
|
if (protof) {
|
|
fclose(protof);
|
|
protof = NULL;
|
|
}
|
|
_proto_stayopen = 0;
|
|
}
|
|
|
|
struct protoent *
|
|
getprotoent()
|
|
{
|
|
char *p;
|
|
register char *cp, **q;
|
|
|
|
if (protof == NULL && (protof = fopen(_PATH_PROTOCOLS, "r" )) == NULL)
|
|
return (NULL);
|
|
again:
|
|
if ((p = fgets(line, BUFSIZ, protof)) == NULL)
|
|
return (NULL);
|
|
if (*p == '#')
|
|
goto again;
|
|
cp = strpbrk(p, "#\n");
|
|
if (cp == NULL)
|
|
goto again;
|
|
*cp = '\0';
|
|
proto.p_name = p;
|
|
cp = strpbrk(p, " \t");
|
|
if (cp == NULL)
|
|
goto again;
|
|
*cp++ = '\0';
|
|
while (*cp == ' ' || *cp == '\t')
|
|
cp++;
|
|
p = strpbrk(cp, " \t");
|
|
if (p != NULL)
|
|
*p++ = '\0';
|
|
proto.p_proto = atoi(cp);
|
|
q = proto.p_aliases = proto_aliases;
|
|
if (p != NULL) {
|
|
cp = p;
|
|
while (cp && *cp) {
|
|
if (*cp == ' ' || *cp == '\t') {
|
|
cp++;
|
|
continue;
|
|
}
|
|
if (q < &proto_aliases[MAXALIASES - 1])
|
|
*q++ = cp;
|
|
cp = strpbrk(cp, " \t");
|
|
if (cp != NULL)
|
|
*cp++ = '\0';
|
|
}
|
|
}
|
|
*q = NULL;
|
|
return (&proto);
|
|
}
|