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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999 by Sun Microsystems, Inc.
* All rights reserved.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* from SVR4 bnu:cpmv.c 2.13 */
#include "uucp.h"
/*
* copy f1 to f2 locally
* f1 -> source file name
* f2 -> destination file name
* return:
* 0 -> ok
* FAIL -> failed
*/
static int
xcp(f1, f2)
char *f1, *f2;
{
register int fd1, fd2;
register int nr, nw;
char buf[BUFSIZ];
char *temp_p, temp[MAXFULLNAME];
if ((fd1 = open(f1, O_RDONLY)) == -1)
return (FAIL);
if (DIRECTORY(f2)) {
(void) strcat(f2, "/");
(void) strcat(f2, BASENAME(f1, '/'));
}
DEBUG(4, "file name is %s\n", f2);
(void) strcpy(temp, f2);
if ((temp_p = strrchr(temp, '/')) == NULL)
temp_p = temp;
else
temp_p++;
(void) strcpy(temp_p, ".TM.XXXXXX");
temp_p = temp;
DEBUG(4, "temp name is %s\n", temp_p);
if ((fd2 = mkstemp(temp_p)) == -1) {
/* open of temp may fail if called from uidxcp() */
/* in this case, try f2 since it is pre-created */
temp_p = f2;
if ((fd2 = open(temp_p, O_CREAT | O_TRUNC | O_WRONLY,
PUB_FILEMODE)) == -1) {
DEBUG(5, "open of file returned errno %d\n", errno);
(void) close(fd1);
return (FAIL);
}
DEBUG(4, "using file name directly.%s\n", "");
}
(void) chmod(temp_p, PUB_FILEMODE);
/* copy, looking for read or write failures */
while ((nr = read(fd1, buf, sizeof (buf))) > 0 &&
(nw = write(fd2, buf, nr)) == nr)
;
close(fd1);
close(fd2);
if (nr != 0 || nw == -1) {
(void) unlink(temp_p);
return (FAIL);
}
if (temp_p != f2) {
if (rename(temp_p, f2) != 0) {
DEBUG(5, "rename failed: errno %d\n", errno);
(void) unlink(temp_p);
return (FAIL);
}
}
return (0);
}
/*
* move f1 to f2 locally
* returns:
* 0 -> ok
* FAIL -> failed
*/
int
xmv(f1, f2)
register char *f1, *f2;
{
register int do_unlink, ret;
struct stat sbuf;
if (stat(f2, &sbuf) == 0)
do_unlink = ((sbuf.st_mode & S_IFMT) == S_IFREG);
else
do_unlink = 1;
if (do_unlink)
(void) unlink(f2); /* i'm convinced this is the right */
/* thing to do */
if ((ret = link(f1, f2)) < 0) {
/* copy file */
ret = xcp(f1, f2);
}
if (ret == 0)
(void) unlink(f1);
return (ret);
}
/*
* toCorrupt - move file to CORRUPTDIR
* return - none
*/
void
toCorrupt(file)
char *file;
{
char corrupt[MAXFULLNAME];
(void) sprintf(corrupt, "%s/%s", CORRUPTDIR, BASENAME(file, '/'));
(void) link(file, corrupt);
ASSERT(unlink(file) == 0, Ct_UNLINK, file, errno);
}
/*
* append f1 to f2
* f1 -> source FILE pointer
* f2 -> destination FILE pointer
* return:
* SUCCESS -> ok
* FAIL -> failed
*
* to avoid confusing mail, turn lines with just "." into "..".
*/
int
xfappend(fp1, fp2)
register FILE *fp1, *fp2;
{
char buf[BUFSIZ];
while (fgets(buf, sizeof (buf), fp1) != NULL) {
if (buf[0] == '.' && buf[1] == '\n')
strcpy(buf, "..\n");
fputs(buf, fp2);
}
return (ferror(fp1) || ferror(fp2) ? FAIL : SUCCESS);
}
/*
* copy f1 to f2 locally under uid of uid argument
* f1 -> source file name
* f2 -> destination file name
* Uid and Euid are global
* return:
* 0 -> ok
* FAIL -> failed
* NOTES:
* for V7 systems, flip-flop between real and effective uid is
* not allowed, so fork must be done. This code will not
* work correctly when realuid is root on System 5 because of
* a bug in setuid.
*/
int
uidxcp(f1, f2)
char *f1, *f2;
{
int status;
char full[MAXFULLNAME];
(void) strcpy(full, f2);
if (DIRECTORY(f2)) {
(void) strcat(full, "/");
(void) strcat(full, BASENAME(f1, '/'));
}
/* create full owned by uucp */
(void) close(creat(full, PUB_FILEMODE));
(void) chmod(full, PUB_FILEMODE);
/* do file copy as read uid */
#ifndef V7
(void) setuid(Uid);
status = xcp(f1, full);
(void) setuid(Euid);
return (status);
#else /* V7 */
if (vfork() == 0) {
setuid(Uid);
_exit(xcp(f1, full));
}
wait(&status);
return (status);
#endif
}
/*
* put file in public place
* if successful, filename is modified
* returns:
* 0 -> success
* FAIL -> failure
*/
int
putinpub(file, tmp, user)
char *file, *user, *tmp;
{
int status;
char fullname[MAXFULLNAME];
(void) sprintf(fullname, "%s/%s/", Pubdir, user);
if (mkdirs(fullname, PUBMASK) != 0) {
/* cannot make directories */
return (FAIL);
}
(void) strcat(fullname, BASENAME(file, '/'));
status = xmv(tmp, fullname);
if (status == 0) {
(void) strcpy(file, fullname);
(void) chmod(fullname, PUB_FILEMODE);
}
return (status);
}
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