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annotate ffstools/tiffs-rd/main.c @ 230:ffaa033e7643

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tiffs IVA: find_inode_block() integrated
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 26 Jan 2014 00:34:22 +0000
parents 24ed817dd25d
children 5ceacdbd4490
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225
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1 /*
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2 * This C module contains the main() function for the tiffs utility,
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3 * dispatching control to different operation commands.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <ctype.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <string.h>
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11 #include <strings.h>
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12 #include "types.h"
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13
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14 char *imgfile;
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15 u32 eraseblk_size;
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16 int total_blocks;
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17 u32 total_ffs_size;
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18 int index_blk_num = -1, root_node_no;
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19 int verbose;
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20
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21 parse_org_arg(arg)
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22 char *arg;
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23 {
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24 char *cp;
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25
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26 cp = index(arg, 'x');
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27 if (!cp || !isdigit(cp[1]) || !isdigit(arg[0])) {
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28 fprintf(stderr,
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29 "error: TIFFS organization argument \"%s\" is invalid\n", arg);
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30 exit(1);
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31 }
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32 *cp++ = '\0';
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33 if (!strcmp(arg, "8"))
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34 eraseblk_size = 0x2000;
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35 else if (!strcmp(arg, "16"))
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36 eraseblk_size = 0x4000;
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37 else if (!strcmp(arg, "32"))
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38 eraseblk_size = 0x8000;
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39 else if (!strcmp(arg, "64"))
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40 eraseblk_size = 0x10000;
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41 else if (!strcmp(arg, "128"))
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42 eraseblk_size = 0x20000;
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43 else if (!strcmp(arg, "256"))
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44 eraseblk_size = 0x40000;
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45 else {
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46 fprintf(stderr,
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47 "error: \"%s\" is not a recognized flash sector size\n",
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48 arg);
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49 exit(1);
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50 }
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51 total_blocks = atoi(cp);
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52 if (total_blocks < 1 || total_blocks > 128) {
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53 fprintf(stderr,
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54 "error: \"%s\" is not a reasonable number of FFS sectors\n",
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55 cp);
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56 exit(1);
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57 }
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58 total_ffs_size = eraseblk_size * total_blocks;
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59 }
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60
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61 extern int cmd_blkhdr();
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62 extern int cmd_fsinfo();
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63
225
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64 static struct cmdtab {
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65 char *cmd;
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66 int (*func)();
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67 } cmdtab[] = {
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68 {"blkhdr", cmd_blkhdr},
225
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69 {"cat", NULL},
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70 {"fsck", NULL},
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71 {"fsinfo", cmd_fsinfo},
225
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72 {"ls", NULL},
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73 {"xtr", NULL},
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74 {NULL, NULL}
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75 };
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76
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77 main(argc, argv)
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78 char **argv;
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79 {
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80 extern int optind;
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81 extern char *optarg;
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82 int c;
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83 char *cmd;
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84 struct cmdtab *tp;
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85
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86 while ((c = getopt(argc, argv, "+a:r:v")) != EOF)
225
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87 switch (c) {
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88 case 'a':
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89 index_blk_num = atoi(optarg);
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90 continue;
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91 case 'r':
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92 root_node_no = atoi(optarg);
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93 continue;
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94 case 'v':
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95 verbose++;
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96 continue;
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97 default:
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98 usage: fprintf(stderr,
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99 "usage: %s [global-options] <imgfile> <org> <op> ...\n",
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100 argv[0]);
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101 exit(1);
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102 }
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103 if (argc - optind < 3)
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104 goto usage;
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105 imgfile = argv[optind];
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106 parse_org_arg(argv[optind+1]);
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107 cmd = argv[optind+2];
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108
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109 for (tp = cmdtab; tp->cmd; tp++)
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110 if (!strcmp(tp->cmd, cmd))
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111 break;
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112 if (!tp->func) {
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113 fprintf(stderr,
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114 "%s: operation \"%s\" is unknown or unimplemented\n",
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115 argv[0], cmd);
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116 exit(1);
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117 }
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118 optind += 2;
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119 return tp->func(argc - optind, argv + optind);
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120 }