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/* Copyright (c) 1993, 1994 Washington University in Saint Louis
* 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
* Washington University in Saint Louis 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 WASHINGTON UNIVERSITY 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 WASHINGTON
* UNIVERSITY 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.
*/
#ifndef lint
char * rcsid = "$Id: acl.c,v 1.5 1997/01/14 22:45:48 sob Exp $";
#endif
#include "config.h"
#include <stdio.h>
#include <errno.h>
#include <string.h>
#ifdef SYSSYSLOG
#include <sys/syslog.h>
#else
#include <syslog.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/file.h>
#include "pathnames.h"
#include "extensions.h"
char *aclbuf = NULL;
static struct aclmember *aclmembers;
/*************************************************************************/
/* FUNCTION : getaclentry */
/* PURPOSE : Retrieve a named entry from the ACL */
/* ARGUMENTS : pointer to the keyword and a handle to the acl members */
/* RETURNS : pointer to the acl member containing the keyword or NULL */
/*************************************************************************/
struct aclmember *
#ifdef __STDC__
getaclentry(char *keyword, struct aclmember **next)
#else
getaclentry(keyword,next)
char *keyword;
struct aclmember **next;
#endif
{
do {
if (!*next)
*next = aclmembers;
else
*next = (*next)->next;
} while (*next && strcmp((*next)->keyword, keyword));
return (*next);
}
/*************************************************************************/
/* FUNCTION : parseacl */
/* PURPOSE : Parse the acl buffer into its components */
/* ARGUMENTS : A pointer to the acl file */
/* RETURNS : nothing */
/*************************************************************************/
void
#ifdef __STDC__
parseacl(void)
#else
parseacl()
#endif
{
char *ptr,
*aclptr = aclbuf,
*line;
int cnt;
struct aclmember *member,
*acltail;
if (!aclbuf || !(*aclbuf))
return;
aclmembers = (struct aclmember *) NULL;
acltail = (struct aclmember *) NULL;
while (*aclptr != '\0') {
line = aclptr;
while (*aclptr && *aclptr != '\n')
aclptr++;
*aclptr++ = (char) NULL;
/* deal with comments */
if ((ptr = strchr(line, '#')) != NULL)
/* allowed escaped '#' chars for path-filter (DiB) */
if (*(ptr-1) != '\\')
*ptr = '\0';
ptr = strtok(line, " \t");
if (ptr) {
member = (struct aclmember *) calloc(1, sizeof(struct aclmember));
(void) strcpy(member->keyword, ptr);
cnt = 0;
while ((ptr = strtok(NULL, " \t")) != NULL) {
if (cnt >= MAXARGS) {
syslog(LOG_ERR,
"Too many args (>%d) in ftpaccess: %s %s %s %s %s ...",
MAXARGS - 1, member->keyword, member->arg[0],
member->arg[1], member->arg[2], member->arg[3]);
break;
}
member->arg[cnt++] = ptr;
}
if (acltail)
acltail->next = member;
acltail = member;
if (!aclmembers)
aclmembers = member;
}
}
}
/*************************************************************************/
/* FUNCTION : readacl */
/* PURPOSE : Read the acl into memory */
/* ARGUMENTS : The pathname of the acl */
/* RETURNS : 0 if error, 1 if no error */
/*************************************************************************/
int
#ifdef __STDC__
readacl(char *aclpath)
#else
readacl(aclpath)
char *aclpath;
#endif
{
FILE *aclfile;
struct stat finfo;
extern int use_accessfile;
if (!use_accessfile)
return (0);
if ((aclfile = fopen(aclpath, "r")) == NULL) {
syslog(LOG_ERR, "cannot open access file %s: %s", aclpath,
strerror(errno));
return (0);
}
if (fstat(fileno(aclfile), &finfo) != 0) {
syslog(LOG_ERR, "cannot fstat access file %s: %s", aclpath,
strerror(errno));
(void) fclose(aclfile);
return (0);
}
if (finfo.st_size == 0) {
aclbuf = (char *) calloc(1, 1);
} else {
if (!(aclbuf = (char *)malloc((unsigned) finfo.st_size + 1))) {
syslog(LOG_ERR, "could not malloc aclbuf (%d bytes)", finfo.st_size + 1);
(void) fclose(aclfile);
return (0);
}
if (!fread(aclbuf, (size_t) finfo.st_size, 1, aclfile)) {
syslog(LOG_ERR, "error reading acl file %s: %s", aclpath,
strerror(errno));
aclbuf = NULL;
(void) fclose(aclfile);
return (0);
}
*(aclbuf + finfo.st_size) = '\0';
}
(void) fclose(aclfile);
return (1);
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.