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https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-03-08 05:57:19 +08:00
@marshmellows memory fixes for reveng1.30 in client..
This commit is contained in:
parent
817d709615
commit
dd1df4901d
2 changed files with 22 additions and 45 deletions
client
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@ -90,9 +90,9 @@ int GetModels(char *Models[], int *count, uint32_t *width){
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PZERO, /* check value unused */
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NULL /* no model name */
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};
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int ibperhx = 8;//, obperhx = 8;
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int rflags = 0, uflags = 0; /* search and UI flags */
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poly_t apoly, crc, qpoly = PZERO, *apolys = NULL, *pptr = NULL, *qptr = NULL;
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model_t pset = model, *candmods, *mptr;
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@ -107,7 +107,6 @@ int GetModels(char *Models[], int *count, uint32_t *width){
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int Cnt = 0;
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if (*width == 0) { //reveng -D
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*count = mcount();
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if(!*count)
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return uerr("no preset models available");
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@ -115,7 +114,6 @@ int GetModels(char *Models[], int *count, uint32_t *width){
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mbynum(&model, mode);
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mcanon(&model);
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size_t size = (model.name && *model.name) ? strlen(model.name) : 6;
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char *tmp = calloc(size+1, sizeof(char));
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if (tmp==NULL)
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return uerr("out of memory?");
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@ -123,6 +121,7 @@ int GetModels(char *Models[], int *count, uint32_t *width){
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memcpy(tmp, model.name, size);
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Models[mode] = tmp;
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}
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mfree(&model);
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} else { //reveng -s
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if(~model.flags & P_MULXN)
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@ -209,21 +208,16 @@ int GetModels(char *Models[], int *count, uint32_t *width){
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if(uflags & C_RESULT) {
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for(qptr = apolys; qptr < pptr; ++qptr)
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pfree(qptr);
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return 1;
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}
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if(!(model.flags & P_REFIN) != !(model.flags & P_REFOUT))
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return uerr("cannot search for crossed-endian models");
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pass = 0;
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do {
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mptr = candmods = reveng(&model, qpoly, rflags, args, apolys);
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if(mptr && plen(mptr->spoly))
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uflags |= C_RESULT;
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while(mptr && plen(mptr->spoly)) {
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/* results were printed by the callback
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* string = mtostr(mptr);
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* puts(string);
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* free(string);
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*/
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mfree(mptr++);
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}
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free(candmods);
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@ -238,29 +232,8 @@ int GetModels(char *Models[], int *count, uint32_t *width){
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free(apolys);
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if(~uflags & C_RESULT)
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return uerr("no models found");
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mfree(&model);
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}
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return 1;
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}
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//test call to GetModels
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int CmdrevengTest(const char *Cmd){
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char *Models[80];
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int count = 0;
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uint32_t width = 0;
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width = param_get8(Cmd, 0);
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//PrintAndLog("width: %d",width);
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if (width > 89)
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return uerr("Width cannot exceed 89");
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int ans = GetModels(Models, &count, &width);
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if (!ans) return 0;
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PrintAndLog("Count: %d",count);
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for (int i = 0; i < count; i++){
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PrintAndLog("Model %d: %s",i,Models[i]);
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free(Models[i]);
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}
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return 1;
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}
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@ -298,7 +271,7 @@ int RunModel(char *inModel, char *inHexStr, bool reverse, char endian, char *res
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SETBMP();
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//set model
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if(!(c = mbynam(&model, inModel))) {
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fprintf(stderr,"error: preset model '%s' not found. Use reveng -D to list presets.\n", inModel);
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PrintAndLog("error: preset model '%s' not found. Use reveng -D to list presets.", inModel);
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return 0;
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}
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if(c < 0)
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@ -393,13 +393,15 @@ static int l_reveng_models(lua_State *L){
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char *models[80];
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int count = 0;
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lua_Integer in_width = luaL_checkinteger(L, 1);
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int in_width = luaL_checkinteger(L, 1);
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if( in_width > 89 ) return returnToLuaWithError(L,"Width cannot exceed 89, got %d", in_width);
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uint32_t width = (uint32_t)in_width;
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int ans = GetModels(models, &count, &width);
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if (!ans) return 0;
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if (!ans){
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return 0;
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}
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lua_newtable(L);
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@ -412,6 +414,13 @@ static int l_reveng_models(lua_State *L){
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return 1;
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}
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//Called with 4 parameters.
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// inModel ,string containing the crc model name: 'CRC-8'
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// inHexStr ,string containing the hex representation of the data that will be used for CRC calculations.
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// reverse ,int 0/1 (bool) if 1, calculate the reverse CRC
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// endian ,char, 'B','b','L','l','t','r' describing if Big-Endian or Little-Endian should be used in different combinations.
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//
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// outputs: string with hex representation of the CRC result
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static int l_reveng_RunModel(lua_State *L){
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//-c || -v
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//inModel = valid model name string - CRC-8
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@ -422,19 +431,14 @@ static int l_reveng_RunModel(lua_State *L){
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//result = calculated crc hex string
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char result[50];
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size_t dataLen;
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const char *inModel = luaL_checklstring(L, 1, &dataLen);
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if ( dataLen < 4 ) return returnToLuaWithError(L,"Can't find model, got %s", inModel);
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const char *inHexStr = luaL_checklstring(L, 2, &dataLen);
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if ( dataLen < 4 ) return returnToLuaWithError(L,"Hex string too short, got %d", dataLen);
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int reverse = luaL_checkinteger(L, 3);
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const char *endian = luaL_checklstring(L, 4, &dataLen);
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const char *inModel = luaL_checkstring(L, 1);
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const char *inHexStr = luaL_checkstring(L, 2);
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bool reverse = lua_toboolean(L, 3);
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const char endian = luaL_checkstring(L, 4)[0];
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//PrintAndLog("mod: %s, hex: %s, rev %d", inModel, inHexStr, reverse);
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//int RunModel(char *inModel, char *inHexStr, bool reverse, char endian, char *result)
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int ans = RunModel( (char*)inModel, (char*)inHexStr, (bool)reverse, (char*)endian, result);
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// int RunModel(char *inModel, char *inHexStr, bool reverse, char endian, char *result)
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int ans = RunModel( (char *)inModel, (char *)inHexStr, reverse, endian, result);
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if (!ans)
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return returnToLuaWithError(L,"Reveng failed");
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