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/*
* @(#)op_ren.c 1.4 2003/12/30 Connectathon Testsuite
* 1.3 Lachman ONC Test Suite source
*
* tests operation on open file which has been unlinked.
* steps taken:
* 1. create file
* 2. open for read/write
* 3. unlink file
* 4. write data
* 5. rewind
* 6. read data back
*/
#if defined (DOS) || defined (WIN32)
#define DOSorWIN32
#include "../tests.h"
#endif
#ifndef DOSorWIN32
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#if defined(SVR3) || defined(SVR4)
#include <fcntl.h>
#else
#include <sys/file.h>
#endif
#include <errno.h>
#endif /* DOSorWIN32 */
#define TBUFSIZ 100
static char wbuf[TBUFSIZ], rbuf[TBUFSIZ];
static char bufa[BUFSIZ];
static char bufb[BUFSIZ];
#define TMSG "This is a test message written to the target file\n"
static void
xxit(s)
char *s;
{
perror(s);
exit(1);
}
/*ARGSUSED*/
int
main(argc, argv)
int argc;
char *argv[];
{
int fd, ret;
char *taname;
char *tbname;
int errcount = 0;
long lret;
#ifdef DOSorWIN32
/*
* This test is too Unix oriented to be useful on a Dos or
* Windows platform. Thus, we'll skip this test, for now.
*/
fprintf(stderr, "This Test Not Executable on DOS or Windows\n");
exit(0);
#endif
#ifdef SUNOS4X
/*
* SunOS 4.x has the bug for which I assume this is testing,
* i.e. it doesn't realize that rename(foo, bar) may remove
* "bar" if it exists, and therefore doesn't first rename it
* to ".nfsXXXX" if it's currently open.
*
* Thus, we'll skip this test, for now.
*/
printf("Test skipped because we know SunOS 4.x client has the bug\n");
exit(0);
#endif
setbuf(stdout, NULL);
#ifdef MACOSX
/* make sure TMPDIR isn't set */
unsetenv("TMPDIR");
#endif
if ((taname = tempnam(".", "nfsa")) == NULL) {
fprintf(stderr, "can't construct a temporary filename: ");
xxit("tempnam");
}
if ((fd = creat(taname, 0777)) < 0) {
fprintf(stderr, "can't create %s: ", taname);
xxit("creat");
}
close(fd);
if ((tbname = tempnam(".", "nfsb")) == NULL) {
fprintf(stderr, "can't construct a temporary filename: ");
xxit("tempnam");
}
#ifdef O_RDWR
if ((fd = open(tbname, O_CREAT|O_TRUNC|O_RDWR, 0777)) < 0) {
fprintf(stderr, "can't create %s: ", tbname);
(void) unlink(taname);
xxit("open");
}
#else
if ((fd = creat(tbname, 0777)) < 0) {
fprintf(stderr, "can't create %s: ", tbname);
(void) unlink(taname);
xxit("creat");
}
close(fd);
if ((fd = open(tbname, 2)) < 0) {
fprintf(stderr, "can't reopen %s: ", tbname);
(void) unlink(taname);
(void) unlink(tbname);
xxit("open");
}
#endif /* O_RDWR */
printf("nfsjunk files before rename:\n ");
sprintf(bufa, "ls -al %s", taname);
sprintf(bufb, "ls -al %s", tbname);
system(bufa);
printf(" ");
system(bufb);
ret = rename(taname, tbname);
printf("%s open; rename ret = %d\n", tbname, ret);
if (ret)
xxit(" unlink");
printf("nfsjunk files after rename:\n ");
system(bufa);
printf(" ");
system(bufb);
strcpy(wbuf, TMSG);
if ((ret = write(fd, wbuf, TBUFSIZ)) != TBUFSIZ) {
fprintf(stderr, "write ret %d; expected %d\n", ret, TBUFSIZ);
if (ret < 0)
perror(" write");
exit(1);
}
if ((lret = lseek(fd, 0L, 0)) != 0L) {
fprintf(stderr, "lseek ret %ld; expected 0\n", lret);
if (lret < 0)
perror(" lseek");
exit(1);
}
if ((ret = read(fd, rbuf, TBUFSIZ)) != TBUFSIZ) {
fprintf(stderr, "read ret %d; expected %d\n", ret, TBUFSIZ);
if (ret < 0)
perror(" read");
exit(1);
}
if (strcmp(wbuf, rbuf) != 0) {
errcount++;
printf("read data not same as written data\n");
printf(" written: '%s'\n read: '%s'\n", wbuf, rbuf);
} else {
printf("data compare ok\n");
}
if (unlink(tbname) < 0) {
errcount++;
perror("unlink");
}
if (ret = close(fd)) {
errcount++;
perror("close");
}
printf("nfsjunk files after close:\n ");
system(bufa);
printf(" ");
system(bufb);
if ((ret = close(fd)) == 0) {
errcount++;
fprintf(stderr, "second close didn't return error!??\n");
}
if (errcount == 0)
printf("test completed successfully.\n");
exit(errcount);
}
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