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begin reveng add-ons for lua
[proxmark3-svn] / client / cmdcrc.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2015 iceman <iceman at iuse.se>
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // CRC Calculations from the software reveng commands
9 //-----------------------------------------------------------------------------
10
11 #include <stdlib.h>
12 #ifdef _WIN32
13 # include <io.h>
14 # include <fcntl.h>
15 # ifndef STDIN_FILENO
16 # define STDIN_FILENO 0
17 # endif /* STDIN_FILENO */
18 #endif /* _WIN32 */
19
20 #include <stdio.h>
21 #include <string.h>
22 //#include <stdlib.h>
23 //#include <ctype.h>
24 #include "cmdmain.h"
25 #include "cmdcrc.h"
26 #include "reveng/reveng.h"
27 #include "ui.h"
28 #include "util.h"
29
30 #define MAX_ARGS 20
31
32 int split(char *str, char *arr[MAX_ARGS]){
33 int beginIndex = 0;
34 int endIndex;
35 int maxWords = MAX_ARGS;
36 int wordCnt = 0;
37
38 while(1){
39 while(isspace(str[beginIndex])){
40 ++beginIndex;
41 }
42 if(str[beginIndex] == '\0')
43 break;
44 endIndex = beginIndex;
45 while (str[endIndex] && !isspace(str[endIndex])){
46 ++endIndex;
47 }
48 int len = endIndex - beginIndex;
49 char *tmp = calloc(len + 1, sizeof(char));
50 memcpy(tmp, &str[beginIndex], len);
51 arr[wordCnt++] = tmp;
52 //PrintAndLog("cnt: %d, %s",wordCnt-1, arr[wordCnt-1]);
53 beginIndex = endIndex;
54 if (wordCnt == maxWords)
55 break;
56 }
57 return wordCnt;
58 }
59
60 int CmdCrc(const char *Cmd)
61 {
62 char name[] = {"reveng "};
63 char Cmd2[50 + 7];
64 memcpy(Cmd2, name, 7);
65 memcpy(Cmd2 + 7, Cmd, 50);
66 char *argv[MAX_ARGS];
67 int argc = split(Cmd2, argv);
68 //PrintAndLog("argc: %d, %s %s Cmd: %s",argc, argv[0], Cmd2, Cmd);
69 reveng_main(argc, argv);
70 for(int i = 0; i < argc; ++i){
71 //puts(arr[i]);
72 free(argv[i]);
73 }
74
75 return 0;
76 }
77
78 int GetModels(char *Models[], int *count, uint32_t *width){
79 /* default values */
80 static model_t model = {
81 PZERO, /* no CRC polynomial, user must specify */
82 PZERO, /* Init = 0 */
83 P_BE, /* RefIn = false, RefOut = false, plus P_RTJUST setting in reveng.h */
84 PZERO, /* XorOut = 0 */
85 PZERO, /* check value unused */
86 NULL /* no model name */
87 };
88 //int ibperhx = 8, obperhx = 8;
89 //int rflags = 0, uflags = 0; /* search and UI flags */
90
91 //unsigned long width = 0UL;
92 //int c, mode = 0, args, psets, pass;
93 //poly_t apoly, crc, qpoly = PZERO, *apolys, *pptr = NULL, *qptr = NULL;
94 //model_t pset = model, *candmods, *mptr;
95 //char *string;
96
97 //myname = argv[0];
98
99 /* stdin must be binary */
100 #ifdef _WIN32
101 _setmode(STDIN_FILENO, _O_BINARY);
102 #endif /* _WIN32 */
103
104 SETBMP();
105
106 //pos=0;
107 //optind=1;
108
109 if (*width == 0) { //reveng -D
110 *count = mcount();
111 //PrintAndLog("Count: %d",*count);
112 if(!*count){
113 PrintAndLog("no preset models available");
114 return 0;
115 }
116 for(int mode = 0; mode < *count; ++mode) {
117 mbynum(&model, mode);
118 mcanon(&model);
119 size_t size = (model.name && *model.name) ? strlen(model.name) : 6;
120 //PrintAndLog("Size: %d, %s",size,model.name);
121 char *tmp = calloc(size+1, sizeof(char));
122 if (tmp==NULL){
123 PrintAndLog("out of memory?");
124 return 0;
125 }
126 memcpy(tmp, model.name, size);
127 Models[mode] = tmp;
128 //ufound(&model);
129 }
130 } else { //reveng -s
131
132 }
133 //PrintAndLog("DONE");
134 return 1;
135 }
136
137 //test call to GetModels
138 int CmdrevengTest(const char *Cmd){
139 char *Models[80];
140 int count = 0;
141 uint32_t width = 0;
142 int ans = GetModels(Models, &count, &width);
143 if (!ans) return 0;
144
145 PrintAndLog("Count: %d",count);
146 for (int i = 0; i < count; i++){
147 PrintAndLog("Model %d: %s",i,Models[i]);
148 free(Models[i]);
149 }
150 return 1;
151 }
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