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Viewing changes to tests/regression/subdomain/fork.c

  • Committer: Bazaar Package Importer
  • Author(s): Kees Cook
  • Date: 2007-03-23 16:42:01 UTC
  • Revision ID: james.westby@ubuntu.com-20070323164201-jkax6f0oku087b7l
Tags: upstream-2.0.1+510.dfsg
Import upstream version 2.0.1+510.dfsg

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tests/regression/subdomain/fork.c
 
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/* $Id: fork.c 425 2007-03-06 20:13:31Z steve-beattie $ */
 
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/*
 
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 *      Copyright (C) 2002-2005 Novell/SUSE
 
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 *
 
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 *      This program is free software; you can redistribute it and/or
 
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 *      modify it under the terms of the GNU General Public License as
 
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 *      published by the Free Software Foundation, version 2 of the
 
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 *      License.
 
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 */
 
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#include <stdio.h>
 
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#include <unistd.h>
 
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#include <errno.h>
 
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#include <sys/types.h>
 
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#include <sys/stat.h>
 
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#include <sys/wait.h>
 
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#include <sys/ipc.h>
 
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#include <sys/shm.h>
 
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#include <signal.h>
 
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#include <fcntl.h>
 
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#include <limits.h>
 
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#include <string.h>
 
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#define FALSE 0
 
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#define TRUE !FALSE
 
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#define max(x,y) (x) > (y) ? (x) : (y)
 
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#define MAX_FILES 5
 
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int (*pass)[MAX_FILES];
 
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void test_files(int num_files, char *files[], int index)
 
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{
 
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        int fd, i;
 
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        for (i = 0; i < num_files; i++) {
 
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                fd = open(files[i], O_RDWR);
 
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                if (fd == -1) {
 
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                        if (errno == ENOENT) {
 
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                                pass[index][i] = -1;
 
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                        } else {
 
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                                pass[index][i] = 0;
 
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                        }
 
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                } else {
 
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                        pass[index][i] = 1;
 
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                        close(fd);
 
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                }
 
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        }
 
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}
 
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int main(int argc, char *argv[])
 
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{
 
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        int num_files, i, shmid;
 
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        pid_t pid;
 
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        struct shmid_ds shm_desc;
 
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        if (argc < 2) {
 
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                fprintf(stderr, "usage: %s program [args] \n", argv[0]);
 
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                return 1;
 
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        }
 
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        num_files = max(argc - 1, MAX_FILES);
 
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        shmid = shmget(IPC_PRIVATE, sizeof(int[2][MAX_FILES]), IPC_CREAT);
 
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        if (shmid == -1) {
 
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                fprintf(stderr, "FAIL: shmget failed %s\n", strerror(errno));
 
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                return 1;
 
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        }
 
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        pass = (int(*)[MAX_FILES])shmat(shmid, NULL, 0);
 
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        if (pass == (void *)-1) {
 
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                fprintf(stderr, "FAIL: shmat failed %s\n", strerror(errno));
 
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                return 1;
 
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        }
 
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        pid = fork();
 
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        if (pid) {              /* parent */
 
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                int status;
 
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                int allpassed = TRUE;
 
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                test_files(argc - 1, &argv[1], 0);
 
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                while (wait(&status) != pid) ;
 
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                for (i = 0; i < argc - 1; i++) {
 
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                        if (pass[0][i] != pass[1][i] ||
 
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                            pass[0][i] == -1 || pass[1][i] == -1) {
 
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                                if (allpassed) {
 
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                                        fprintf(stderr, "FAILED:");
 
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                                        allpassed = FALSE;
 
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                                }
 
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                                fprintf(stderr, " file%d(%d:%d)",
 
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                                        i + 1, pass[0][i], pass[1][i]);
 
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                        }
 
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                }
 
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                if (allpassed) {
 
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                        printf("PASS\n");
 
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                } else {
 
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                        fprintf(stderr, "\n");
 
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                }
 
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                (void)shmdt(pass);
 
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                shmctl(shmid, IPC_RMID, &shm_desc);
 
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        } else {
 
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                test_files(argc - 1, &argv[1], 1);
 
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        }
 
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        return 0;
 
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}