FreeCalypso > hg > freecalypso-tools

annotate ffstools/tiffs-rd/xtr.c @ 1011:6d9b10633f10 default tip

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etmsync Pirelli IMEI retrieval: fix poor use of printf() Bug reported by Vadim Yanitskiy <fixeria@osmocom.org>: the construct where a static-allocated string was passed to printf() without any format arguments causes newer compilers to report a security problem. Given that formatted output is not needed here, just fixed string output, change printf() to fputs(), and direct the error message to stderr while at it.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 May 2024 17:29:57 +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 }