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annotate rvinterf/etmsync/fsread.c @ 285:bb28ba9e82c5

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fc-fsio: file read primitive and hd command implemented
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Fri, 28 Feb 2014 06:16:02 +0000
parents 7b4d4e3e610a
children 211b35db427c
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283
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1 /*
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2 * Commands for reading the content of a GSM device's file system
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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 <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include "etm.h"
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11 #include "ffs.h"
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12 #include "tmffs2.h"
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13 #include "limits.h"
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14 #include "localtypes.h"
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15 #include "localstruct.h"
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16 #include "exitcodes.h"
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17
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18 void
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19 ll_print_line(pathname, stat)
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20 char *pathname;
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21 struct stat_info *stat;
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22 {
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23 char readonly;
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24
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25 if (stat->flags & OF_READONLY)
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26 readonly = 'r';
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27 else
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28 readonly = ' ';
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29 switch (stat->type) {
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30 case OT_FILE:
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31 printf("f%c %7u %s\n", readonly, stat->size, pathname);
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32 return;
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33 case OT_DIR:
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34 printf("d%c %s\n", readonly, pathname);
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35 return;
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36 case OT_LINK:
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37 printf("l%c %s\n", readonly, pathname);
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38 return;
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39 default:
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40 printf("?%c %s\n", readonly, pathname);
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41 }
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42 }
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43
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44 void
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45 mk_ffs_child_path_from_readdir(dirpath, rdname, buf)
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46 char *dirpath, *rdname, *buf;
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47 {
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48 char *tailp;
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49
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50 tailp = index(dirpath, '\0') - 1;
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51 if (*tailp == '/')
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52 sprintf(buf, "%s%s", dirpath, rdname);
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53 else
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54 sprintf(buf, "%s/%s", dirpath, rdname);
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55 }
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56
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57 cmd_ll(argc, argv)
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58 char **argv;
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59 {
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60 struct stat_info stat;
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61 u_char rdstate[4];
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62 char rdbuf[TMFFS_STRING_SIZE], childpath[TMFFS_STRING_SIZE*2];
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63 int nument, i, rc;
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64
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65 rc = do_xlstat(argv[1], &stat);
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66 if (rc)
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67 return(rc);
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68 if (stat.type != OT_DIR) {
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69 ll_print_line(argv[1], &stat);
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70 return(0);
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71 }
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72 rc = do_opendir(argv[1], rdstate, &nument);
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73 if (rc)
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74 return(rc);
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75 if (!nument) {
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76 printf("<empty dir>\n");
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77 return(0);
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78 }
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79 for (i = 0; i < nument; i++) {
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80 rc = do_readdir(rdstate, rdbuf);
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81 if (rc)
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82 return(rc);
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83 mk_ffs_child_path_from_readdir(argv[1], rdbuf, childpath);
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84 rc = do_xlstat(childpath, &stat);
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85 if (rc) {
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86 printf("xlstat failed on %s\n", childpath);
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87 return(rc);
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88 }
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89 ll_print_line(childpath, &stat);
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90 }
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91 return(0);
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92 }
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93
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94 void
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95 hexdump_line(offset, buf, len)
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96 u_char *buf;
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97 {
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98 int i, c;
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99
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100 printf("%02X: ", offset);
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101 for (i = 0; i < 16; i++) {
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102 if (i < len)
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103 printf("%02X ", buf[i]);
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104 else
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105 fputs(" ", stdout);
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106 if (i == 7 || i == 15)
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107 putchar(' ');
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108 }
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109 for (i = 0; i < len; i++) {
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110 c = buf[i];
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111 if (c < ' ' || c > '~')
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112 c = '.';
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113 putchar(c);
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114 }
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115 putchar('\n');
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116 }
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117
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118 cmd_hd(argc, argv)
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119 char **argv;
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120 {
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121 u_char databuf[MAX_READ_DATA];
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122 int rc, sz, off, l;
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123
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124 rc = do_file_read(argv[1], databuf, MAX_READ_DATA, &sz);
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125 if (rc)
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126 return(rc);
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127 printf("%d bytes read\n", sz);
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128 for (off = 0; off < sz; off += 16) {
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129 l = sz - off;
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130 if (l > 16)
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131 l = 16;
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132 hexdump_line(off, databuf + off, l);
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133 }
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134 return(0);
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135 }