FreeCalypso > hg > freecalypso-tools

annotate ffstools/tiffs-rd/xtr.c @ 505:7bf0d909c87e

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fc-loadtool flash ID check: change of reset after the check logic This change only affects those flash configurations that have ID checks enabled. The logic for resetting the flash after the ID check has been changed as follows: 1) If the check fails, we return without attempting to reset the flash. 2) If the check is successful, we reset the flash using the configured method (could be AMD or Intel or Intel W30) instead of always doing an AMD flash reset as the original code did.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 27 May 2019 19:58:01 +0000
parents e7502631a0f9
children
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0
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1 /*
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2 * This C module implements the xtr command.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <sys/file.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <unistd.h>
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12 #include "types.h"
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13 #include "struct.h"
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14 #include "globals.h"
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15 #include "pathname.h"
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16
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17 static void
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18 dump_head_chunk(fd, headino)
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19 {
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20 struct inode_info *inf = inode_info[headino];
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21 struct chunkinfo chi;
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22
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23 if (size_head_chunk(inf, &chi))
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24 write(fd, chi.start, chi.len);
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25 }
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26
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27 static void
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28 dump_extra_chunk(inf, opaque)
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29 struct inode_info *inf;
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30 u_long opaque;
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31 {
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32 int fd = (int)opaque;
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33 struct chunkinfo chi;
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34
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35 size_extra_chunk(inf, &chi);
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36 write(fd, chi.start, chi.len);
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37 }
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38
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39 extract_file(relpath, headino)
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40 char *relpath;
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41 {
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42 int fd;
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43
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44 fd = open(relpath, O_WRONLY|O_CREAT|O_TRUNC, 0666);
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45 if (fd < 0) {
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46 perror(relpath);
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47 exit(1);
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48 }
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49 dump_head_chunk(fd, headino);
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50 iterate_seg_file(headino, dump_extra_chunk, (u_long)fd, 0, 0);
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51 close(fd);
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52 }
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53
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54 void
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55 xtr_tree_callback(pathname, ino, depth)
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56 char *pathname;
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57 {
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58 struct inode_info *inf = inode_info[ino];
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59
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60 switch (inf->type) {
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61 case 0xE1:
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62 case 0xF1:
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63 /* skip /.journal; those who need it can cat it */
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64 if (strcmp(pathname, "/.journal"))
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65 extract_file(pathname + 1, ino);
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66 return;
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67 case 0xE2:
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68 case 0xF2:
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69 if (mkdir(pathname + 1, 0777) < 0) {
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70 perror(pathname + 1);
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71 exit(1);
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72 }
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73 return;
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74 case 0xE3:
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75 case 0xF3:
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76 fprintf(stderr,
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77 "symlink at %s ignored: symlink extraction not implemented yet\n",
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78 pathname);
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79 return;
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80 default:
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81 fprintf(stderr,
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82 "BUG: bad inode byte %02X reached xtr_tree_callback()\n",
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83 inf->type);
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84 exit(1);
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85 }
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86 }
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87
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88 cmd_xtr(argc, argv)
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89 char **argv;
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90 {
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91 if (argc != 2) {
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92 fprintf(stderr, "usage: xtr dest-dir\n");
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93 exit(1);
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94 }
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95 read_ffs_image();
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96 find_inode_block();
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97 alloc_inode_table();
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98 find_root_inode();
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99 if (chdir(argv[1]) < 0) {
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100 perror(argv[1]);
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101 exit(1);
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102 }
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103 traverse_visible_tree(xtr_tree_callback);
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104 exit(0);
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105 }