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https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-20 23:36:31 +08:00
free some stack
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parent
86994cdc69
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30d565f76c
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@ -191,10 +191,17 @@ static int CmdAWIDWatch(const char *Cmd) {
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//print full AWID Prox ID and some bit format details if found
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static int CmdAWIDDemod(const char *Cmd) {
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(void)Cmd; // Cmd is not used so far
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uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0};
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uint8_t *bits = calloc(MAX_GRAPH_TRACE_LEN, sizeof(uint8_t));
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if (bits == NULL) {
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PrintAndLogEx(DEBUG, "DEBUG: Error - AWID failed to allocate memory");
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return PM3_EMALLOC;
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}
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size_t size = getFromGraphBuf(bits);
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if (size == 0) {
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PrintAndLogEx(DEBUG, "DEBUG: Error - AWID not enough samples");
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free(bits);
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return PM3_ENODATA;
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}
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//get binary from fsk wave
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@ -215,6 +222,7 @@ static int CmdAWIDDemod(const char *Cmd) {
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else
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PrintAndLogEx(DEBUG, "DEBUG: Error - AWID error demoding fsk %d", idx);
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free(bits);
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return PM3_ESOFT;
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}
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@ -243,6 +251,7 @@ static int CmdAWIDDemod(const char *Cmd) {
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size = removeParity(bits, idx + 8, 4, 1, 88);
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if (size != 66) {
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PrintAndLogEx(DEBUG, "DEBUG: Error - AWID at parity check-tag size does not match AWID format");
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free(bits);
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return PM3_ESOFT;
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}
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// ok valid card found!
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@ -312,6 +321,7 @@ static int CmdAWIDDemod(const char *Cmd) {
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}
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break;
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}
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free(bits);
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PrintAndLogEx(DEBUG, "DEBUG: AWID idx: %d, Len: %d Printing Demod Buffer:", idx, size);
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if (g_debugMode)
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