Fix typo and gcc-7 warnings (#401)

[proxmark3-svn] / client / cmdlfem4x.c

diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c
index 04308bc01ace7eb76aa5e72bfa0f61d48d1f8ef3..f5dfee35556134133479f0bb49328db686a983de 100644 (file)
--- a/client/cmdlfem4x.c
+++ b/client/cmdlfem4x.c
@@ -289,18 +289,19 @@ int CmdEM410xSim(const char *Cmd)
 }
 
 int usage_lf_em410x_brute(void) {
-        PrintAndLog("Bruteforcing by emulating EM410x tag");
-        PrintAndLog("");
-        PrintAndLog("Usage:  lf em 410xbrute [h] ids.txt [d 2000] [clock]");
-        PrintAndLog("Options:");
-        PrintAndLog("       h             - this help");
-        PrintAndLog("       ids.txt       - file with UIDs in HEX format one per line");
-        PrintAndLog("       d (2000)      - pause delay in milliseonds between UIDs simulation, default 1000ms (optional)");
-               PrintAndLog("       clock         - clock (32|64), default 64 (optional)");
-        PrintAndLog("samples:");
-        PrintAndLog("      lf em 410xbrute ids.txt");
-        PrintAndLog("      lf em 410xbrute ids.txt 32");
-        PrintAndLog("      lf em 410xbrute ids.txt d 3000 32");
+       PrintAndLog("Bruteforcing by emulating EM410x tag");
+       PrintAndLog("");
+       PrintAndLog("Usage:  lf em 410xbrute [h] ids.txt [d 2000] [c clock]");
+       PrintAndLog("Options:");
+       PrintAndLog("       h             - this help");
+       PrintAndLog("       ids.txt       - file with UIDs in HEX format, one per line");
+       PrintAndLog("       d (2000)      - pause delay in milliseconds between UIDs simulation, default 1000 ms (optional)");
+       PrintAndLog("       c (32)        - clock (32|64), default 64 (optional)");
+       PrintAndLog("samples:");
+       PrintAndLog("      lf em 410xbrute ids.txt");
+       PrintAndLog("      lf em 410xbrute ids.txt c 32");
+       PrintAndLog("      lf em 410xbrute ids.txt d 3000");
+       PrintAndLog("      lf em 410xbrute ids.txt d 3000 c 32");
        return 0;
 }
 
@@ -318,7 +319,6 @@ int CmdEM410xBrute(const char *Cmd)
        uint8_t clock = 64;
        /* default pause time: 1 second */
        uint32_t delay = 1000;
-       char delaystr[32] = {0x00};
        
        char cmdp = param_getchar(Cmd, 0);
        
@@ -328,11 +328,11 @@ int CmdEM410xBrute(const char *Cmd)
        cmdp = param_getchar(Cmd, 1);
        
        if (cmdp == 'd' || cmdp == 'D') {
-               param_getstr(Cmd,2, delaystr);
-               if (strlen(delaystr) > 0) delay = (uint32_t) atoi(delaystr);
-               param_getdec(Cmd,3, &clock);
-       } else {
-               param_getdec(Cmd,1, &clock);
+               delay = param_get32ex(Cmd, 2, 1000, 10);
+               param_getdec(Cmd, 4, &clock);
+       } else if (cmdp == 'c' || cmdp == 'C') {
+               param_getdec(Cmd, 2, &clock);
+               delay = param_get32ex(Cmd, 4, 1000, 10);
        }
 
        param_getstr(Cmd, 0, filename);
@@ -405,7 +405,7 @@ int CmdEM410xBrute(const char *Cmd)
                        return 0;
                }
                                
-               sprintf(testuid, "%010lX", bytes_to_num(uidBlock + 5*c, 5));
+               sprintf(testuid, "%010" PRIX64, bytes_to_num(uidBlock + 5*c, 5));
                PrintAndLog("Bruteforce %d / %d: simulating UID  %s, clock %d", c + 1, uidcnt, testuid, clock);
                
                ConstructEM410xEmulGraph(testuid, clock);
@@ -606,7 +606,7 @@ int EM4x50Read(const char *Cmd, bool verbose)
        char tmp2[20];
        int phaseoff;
        high = low = 0;
-       memset(tmpbuff, 0, MAX_GRAPH_TRACE_LEN / 64);
+       memset(tmpbuff, 0, sizeof(tmpbuff));
 
        // get user entry if any
        sscanf(Cmd, "%i %i", &clk, &invert);
@@ -1339,7 +1339,7 @@ static command_t CommandTable[] =
        {"410xread",  CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"},
        {"410xdemod", CmdAskEM410xDemod,  1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
        {"410xsim",   CmdEM410xSim, 0, "<UID> [clock rate] -- Simulate EM410x tag"},
-       {"410xbrute",   CmdEM410xBrute, 0, "ids.txt [d (delay in ms)][clock rate] -- Bruteforcing by simulating EM410x tags (1 UID/s)"},
+       {"410xbrute",   CmdEM410xBrute, 0, "ids.txt [d (delay in ms)] [c (clock rate)] -- Reader bruteforce attack by simulating EM410x tags"},
        {"410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
        {"410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" },
        {"410xwrite", CmdEM410xWrite, 0, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},