mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
168 lines
4.2 KiB
C
168 lines
4.2 KiB
C
/* permsfile.c: implement SunOS /etc/fbtab and Solaris /etc/logindevperm
|
|
functionality to set device permissions on login
|
|
|
|
%%% portions-copyright-cmetz-96
|
|
Portions of this software are Copyright 1996-1999 by Craig Metz, All Rights
|
|
Reserved. The Inner Net License Version 2 applies to these portions of
|
|
the software.
|
|
You should have received a copy of the license with this software. If
|
|
you didn't get a copy, you may request one from <license@inner.net>.
|
|
|
|
Portions of this software are Copyright 1995 by Randall Atkinson and Dan
|
|
McDonald, All Rights Reserved. All Rights under this copyright are assigned
|
|
to the U.S. Naval Research Laboratory (NRL). The NRL Copyright Notice and
|
|
License Agreement applies to this software.
|
|
|
|
History:
|
|
|
|
Modified by cmetz for OPIE 2.31. Include unistd.h.
|
|
Modified by cmetz for OPIE 2.3. Check for NULL return from
|
|
ftpglob(), combine some expressions, fix a typo. Made file
|
|
selection a bit more generic.
|
|
Modified by cmetz for OPIE 2.2. Use FUNCTION declaration et al.
|
|
Add opie.h. Ifdef around a header.
|
|
Written at NRL for OPIE 2.0.
|
|
*/
|
|
|
|
#include "opie_cfg.h"
|
|
#ifdef HAVE_LOGIN_PERMFILE
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#if HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif /* HAVE_STRING_H */
|
|
#if HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif /* HAVE_UNISTD_H */
|
|
#include <syslog.h>
|
|
#include "opie.h"
|
|
|
|
/* Line buffer size (one more than max line length) */
|
|
#define BUFSIZE 128
|
|
/* Maximum number of list items in a field */
|
|
#define LISTSIZE 10
|
|
|
|
static char buf[BUFSIZE], buf2[8];
|
|
|
|
char **ftpglob __P((char *));
|
|
|
|
VOIDRET opiefatal FUNCTION((x), char *x)
|
|
{
|
|
fprintf(stderr, x);
|
|
exit(1);
|
|
}
|
|
|
|
#include "glob.c"
|
|
|
|
static int getalist FUNCTION((string, list), char **string AND char **list)
|
|
{
|
|
char *s = *string;
|
|
int i = 0;
|
|
|
|
while (*s && (*s != '\n') && (*s != ' ') && (*s != '\t'))
|
|
if ((*s == ':') || (*s == ',')) {
|
|
*(s++) = 0;
|
|
list[i++] = *string;
|
|
*string = s;
|
|
if (i == LISTSIZE)
|
|
return i;
|
|
} else
|
|
s++;
|
|
|
|
if ((int) (s) - (int) (*string)) {
|
|
*s = 0;
|
|
list[i++] = *string;
|
|
}
|
|
*string = ++s;
|
|
|
|
return i;
|
|
}
|
|
|
|
static VOIDRET doaline FUNCTION((line, name, ttyn, uid, gid), char *line AND char *name AND char *ttyn AND uid_t uid AND gid_t gid)
|
|
{
|
|
char *ptr;
|
|
int i;
|
|
int applies, llen;
|
|
char *listbuf[LISTSIZE], **globlist;
|
|
|
|
if (ptr = strchr(buf, '#'))
|
|
*ptr = 0;
|
|
|
|
/* Skip whitespace */
|
|
for (ptr = buf; *ptr && ((*ptr == ' ') || (*ptr == '\t'));
|
|
ptr++);
|
|
|
|
if (!*ptr)
|
|
return;
|
|
|
|
/* (Optional) Field 1: user name(s) */
|
|
if ((*ptr != '/') && (*ptr != '~')) {
|
|
llen = getalist(&ptr, listbuf);
|
|
for (applies = i = 0; (i < llen) && !applies; i++)
|
|
if (!strcmp(listbuf[i], name))
|
|
applies++;
|
|
while (*ptr && ((*ptr == ' ') || (*ptr == '\t')))
|
|
ptr++;
|
|
if (!applies || !*ptr)
|
|
return;
|
|
}
|
|
/* Field 2: terminal(s) */
|
|
llen = getalist(&ptr, listbuf);
|
|
for (applies = i = 0; (i < llen) && !applies; i++)
|
|
if (!strcmp(listbuf[i], ttyn))
|
|
applies++;
|
|
|
|
while (*ptr && ((*ptr == ' ') || (*ptr == '\t')))
|
|
ptr++;
|
|
|
|
if (!applies || !*ptr)
|
|
return;
|
|
|
|
/* Field 3: mode */
|
|
for (applies = 0; *ptr && (*ptr >= '0') && (*ptr <= '7');
|
|
applies = (applies << 3) | (*(ptr++) - '0'));
|
|
|
|
while (*ptr && ((*ptr == ' ') || (*ptr == '\t')))
|
|
ptr++;
|
|
|
|
if (!*ptr)
|
|
return;
|
|
|
|
/* Field 4: devices (the fun part...) */
|
|
llen = getalist(&ptr, listbuf);
|
|
for (i = 0; i < llen; i++) {
|
|
if (globlist = ftpglob(listbuf[i]))
|
|
while (*globlist) {
|
|
#ifdef DEBUG
|
|
syslog(LOG_DEBUG, "setting %s to %d/%d %o", *globlist, uid, gid, applies);
|
|
#endif /* DEBUG */
|
|
if ((chown(*globlist, uid, gid) < 0) && (errno != ENOENT))
|
|
perror("chown");
|
|
if ((chmod(*(globlist++), applies) < 0) && (errno != ENOENT))
|
|
perror("chmod");
|
|
}
|
|
}
|
|
}
|
|
|
|
VOIDRET permsfile FUNCTION((name, ttyn, uid, gid), char *name AND char *ttyn AND uid_t uid AND gid_t gid)
|
|
{
|
|
FILE *fh;
|
|
|
|
if (!(fh = fopen(HAVE_LOGIN_PERMFILE, "r"))) {
|
|
syslog(LOG_ERR, "Can't open %s!", HAVE_LOGIN_PERMFILE);
|
|
fprintf(stderr, "Warning: Can't set device permissions.\n");
|
|
return;
|
|
}
|
|
do {
|
|
if (feof(fh))
|
|
return;
|
|
if (fgets(buf, BUFSIZE, fh) == NULL)
|
|
return;
|
|
buf[BUFSIZE] = 0;
|
|
|
|
doaline(buf, name, ttyn, uid, gid);
|
|
}
|
|
while (1);
|
|
}
|
|
#endif /* HAVE_LOGIN_PERMFILE */
|