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Viewing changes to tests/regression/apparmor/sysctl_proc.c

  • Committer: Bazaar Package Importer
  • Author(s): Kees Cook
  • Date: 2011-04-27 10:38:07 UTC
  • mfrom: (5.1.118 natty)
  • Revision ID: james.westby@ubuntu.com-20110427103807-ym3rhwys6o84ith0
Tags: 2.6.1-2
debian/copyright: clarify for some full organization names.

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tests/regression/apparmor/sysctl_proc.c
 
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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 <sys/types.h>
 
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#include <sys/stat.h>
 
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#include <fcntl.h>
 
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#include <errno.h>
 
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#include <string.h>
 
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#define BUFSIZE 4096
 
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int main(int argc, char *argv[])
 
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{
 
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        char read_buffer[BUFSIZE], verify_buffer[BUFSIZE];
 
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        ssize_t read_size, write_size;
 
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        int fd;
 
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        if ((argc < 3) || (argc == 4 && strcmp(argv[2],"w")) || argc > 4) {
 
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                fprintf(stderr, "Usage: %s sysctl_path {r,w,rw} [value]\n", argv[0]);
 
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                return 1;
 
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        }
 
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        if (strcmp(argv[2],"r") == 0) {
 
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                fd = open(argv[1], O_RDONLY);
 
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                if (fd == -1) {
 
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                        fprintf(stderr, "FAIL: proc sysctl open r failed - %s\n",
 
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                                strerror(errno));
 
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                        return 1;
 
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                }
 
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                read_size = read(fd, &read_buffer, sizeof(read_buffer));
 
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                if (read_size == -1) {
 
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                        fprintf(stderr, "FAIL: proc sysctl read failed - %s\n",
 
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                                strerror(errno));
 
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                        return 1;
 
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                }
 
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        }
 
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        if (strcmp(argv[2], "w") == 0) {
 
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                fd = open(argv[1], O_WRONLY);
 
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                if (fd == -1) {
 
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                        fprintf(stderr, "FAIL: proc sysctl open w failed - %s\n",
 
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                                strerror(errno));
 
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                        return 1;
 
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                }
 
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                write_size = write(fd, argv[3], strlen(argv[3]));
 
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                if (write_size == -1) {
 
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                        fprintf(stderr, "FAIL: proc sysctl write failed - %s\n",
 
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                                strerror(errno));
 
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                        return 1;
 
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                }
 
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        }
 
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        if (strcmp(argv[2], "rw") == 0) {
 
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                fd = open(argv[1], O_RDWR);
 
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                if (fd == -1) {
 
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                        fprintf(stderr, "FAIL: proc sysctl open rw failed - %s\n",
 
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                                strerror(errno));
 
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                        return 1;
 
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                }
 
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                read_size = read(fd, &read_buffer, sizeof(read_buffer));
 
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                if (read_size == -1) {
 
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                        fprintf(stderr, "FAIL: proc sysctl read(rw) failed - %s\n",
 
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                                strerror(errno));
 
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                        return 1;
 
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                }
 
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                lseek(fd, 0, SEEK_SET);
 
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                write_size = write(fd, &read_buffer, read_size);
 
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                if (write_size == -1 || write_size != read_size) {
 
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                        fprintf(stderr, "FAIL: proc sysctl write(rw) failed - %s\n",
 
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                                strerror(errno));
 
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                        return 1;
 
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                }
 
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                lseek(fd, 0, SEEK_SET);
 
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                read_size = read(fd, &verify_buffer, sizeof(verify_buffer));
 
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                if (read_size == -1 || read_size != write_size) {
 
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                        fprintf(stderr, "FAIL: proc sysctl verify(rw) failed || %zd != %zd - %s\n", read_size, write_size,
 
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                                strerror(errno));
 
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                        return 1;
 
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                }
 
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                if (memcmp(read_buffer, verify_buffer, read_size) != 0) {
 
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                        fprintf(stderr, "FAIL: proc sysctl verify failed - %s\n",
 
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                                strerror(errno));
 
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                        return 1;
 
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                }
 
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        }
 
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        printf("PASS\n");
 
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        return 0;
 
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}