diff options
Diffstat (limited to 'bin/live-md5check/live-md5check.c')
| -rw-r--r-- | bin/live-md5check/live-md5check.c | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/bin/live-md5check/live-md5check.c b/bin/live-md5check/live-md5check.c deleted file mode 100644 index 8bac6a0..0000000 --- a/bin/live-md5check/live-md5check.c +++ /dev/null @@ -1,270 +0,0 @@ -/* casper-md5check - a tool to check md5sums and talk to usplash - (C) Canonical Ltd 2006 - Written by Tollef Fog Heen <tfheen@ubuntu.com> - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. */ - -#define _GNU_SOURCE -#include <stdio.h> -#include <unistd.h> -#include <sys/reboot.h> -#include <linux/reboot.h> -#include <string.h> -#include <errno.h> -#include <stdarg.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <stdlib.h> -#include <math.h> -#include <termios.h> - -#define USPLASH_FIFO "/dev/.initramfs/usplash_fifo" -#define MAXTRIES 5 -#include "md5.h" -#define DEBUG - -int write_and_retry(int fd, char *s) { - int try = 0, ret = 0; - char *end; - -#ifdef DEBUG - fprintf(stderr, "-> %s\n", s); -#endif - - end = s + strlen(s)+1; - - ret = write(fd, s, end - s); - while (s + ret < end && try < MAXTRIES) { - sleep(1); - s += ret; - ret = write(fd, s, strlen(s)+1); - try++; - } - return (s+ret == end ? 0 : 1); -} - -void usplash_timeout(int fd, int timeout) { - char *s; - - asprintf(&s, "TIMEOUT %d", timeout); - - write_and_retry(fd, s); - - free(s); - -} - -void usplash_failure(int fd, char *format, ...) { - char *s, *s1; - va_list argp; - - va_start(argp, format); - vasprintf(&s, format, argp); - va_end(argp); - - asprintf(&s1, "FAILURE %s", s); - - write_and_retry(fd, s1); - - free(s); - free(s1); -} - -void usplash_text(int fd, char *format, ...) { - char *s, *s1; - va_list argp; - - va_start(argp, format); - vasprintf(&s, format, argp); - va_end(argp); - - asprintf(&s1, "TEXT %s", s); - - write_and_retry(fd, s1); - - free(s); - free(s1); -} - -void usplash_urgent(int fd, char *format, ...) { - char *s, *s1; - va_list argp; - - va_start(argp, format); - vasprintf(&s, format, argp); - va_end(argp); - - asprintf(&s1, "TEXT-URGENT %s", s); - - write_and_retry(fd, s1); - - free(s); - free(s1); -} - - -void usplash_success(int fd, char *format, ...) { - char *s, *s1; - va_list argp; - - va_start(argp, format); - vasprintf(&s, format, argp); - va_end(argp); - - asprintf(&s1, "SUCCESS %s", s); - - write_and_retry(fd, s1); - - free(s); - free(s1); -} - -void usplash_progress(int fd, int progress) { - static int prevprogress = -1; - char *s; - - if (progress == prevprogress) - return; - prevprogress = progress; - - asprintf(&s, "PROGRESS %d", progress); - - write_and_retry(fd, s); - - free(s); -} - -int set_nocanonical_tty(int fd) { - struct termios t; - - if (tcgetattr(fd, &t) == -1) { - perror("tcgetattr"); - } - t.c_lflag &= ~ICANON; - t.c_cc[VMIN] = 1; - t.c_cc[VTIME] = 0; - return tcsetattr(fd, TCSANOW, &t); -} - -int main(int argc, char **argv) { - - int pipe_fd, check_fd; - int failed = 0; - - FILE *md5_file; - md5_state_t state; - md5_byte_t digest[16]; - char hex_output[16*2 + 1]; - char *checksum, *checkfile; - ssize_t tsize, csize; - - tsize = 0; - csize = 0; - - if (argc != 3) { - fprintf(stderr,"Wrong number of arguments\n"); - fprintf(stderr,"%s <root directory> <md5sum file>\n", argv[0]); - exit(1); - } - - if (chdir(argv[1]) != 0) { - perror("chdir"); - exit(1); - } - - pipe_fd = open(USPLASH_FIFO, O_WRONLY|O_NONBLOCK); - - if (pipe_fd == -1) { - /* We can't really do anything useful here */ - perror("Opening pipe"); - exit(1); - } - - - usplash_progress(pipe_fd, 0); - usplash_urgent(pipe_fd, "Checking integrity, this may take some time"); - md5_file = fopen(argv[2], "r"); - if (!md5_file) { - perror("fopen md5_file"); - exit(1); - } - while (fscanf(md5_file, "%as %as", &checksum, &checkfile) == 2) { - struct stat statbuf; - - if (stat(checkfile, &statbuf) == 0) { - tsize += statbuf.st_size; - } - - free(checksum); - free(checkfile); - } - - rewind(md5_file); - while (fscanf(md5_file, "%as %as", &checksum, &checkfile) == 2) { - char buf[BUFSIZ]; - ssize_t rsize; - int i; - - md5_init(&state); - - usplash_text(pipe_fd, "Checking %s", checkfile); - - check_fd = open(checkfile, O_RDONLY); - if (check_fd < 0) { - usplash_timeout(pipe_fd, 300); - usplash_failure(pipe_fd, "%s", strerror(errno)); - sleep(10); - } - - rsize = read(check_fd, buf, sizeof(buf)); - - while (rsize > 0) { - csize += rsize; - usplash_progress(pipe_fd, floorl(100*((long double)csize)/tsize)); - - md5_append(&state, (const md5_byte_t *)buf, rsize); - rsize = read(check_fd, buf, sizeof(buf)); - } - - close(check_fd); - md5_finish(&state, digest); - - for (i = 0; i < 16; i++) - sprintf(hex_output + i * 2, "%02x", digest[i]); - - if (strncmp(hex_output, checksum, strlen(hex_output)) == 0) { - usplash_success(pipe_fd, "OK"); - } else { - usplash_failure(pipe_fd, "mismatch"); - failed++; - } - free(checksum); - free(checkfile); - } - if (failed) { - usplash_urgent(pipe_fd, "Check finished: errors found in %d files!", failed); - } else { - usplash_urgent(pipe_fd, "Check finished: no errors found"); - } - usplash_urgent(pipe_fd, "Press any key to reboot your system"); - usplash_timeout(pipe_fd, 86400); - set_nocanonical_tty(0); - getchar(); - reboot(LINUX_REBOOT_CMD_RESTART); - return 0; - -} |