X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/bfb01844fb0ce48e960374c3bc6ecf208b6c6bb0..refs/pull/524/head:/client/cmdmain.c diff --git a/client/cmdmain.c b/client/cmdmain.c index 9298360d..739d68e1 100644 --- a/client/cmdmain.c +++ b/client/cmdmain.c @@ -8,11 +8,13 @@ // Main command parser entry point //----------------------------------------------------------------------------- +#include "cmdmain.h" + +#include #include #include #include #include -#include "sleep.h" #include "cmdparser.h" #include "proxmark3.h" #include "data.h" @@ -22,15 +24,17 @@ #include "cmddata.h" #include "cmdhw.h" #include "cmdlf.h" -#include "cmdmain.h" #include "util.h" +#include "util_posix.h" #include "cmdscript.h" +#include "cmdcrc.h" unsigned int current_command = CMD_UNKNOWN; static int CmdHelp(const char *Cmd); static int CmdQuit(const char *Cmd); +static int CmdRev(const char *Cmd); //For storing command that are received from the device #define CMD_BUFFER_SIZE 50 @@ -39,15 +43,18 @@ static UsbCommand cmdBuffer[CMD_BUFFER_SIZE]; static int cmd_head;//Starts as 0 //Points to the position of the last unread command static int cmd_tail;//Starts as 0 +// to lock cmdBuffer operations from different threads +static pthread_mutex_t cmdBufferMutex = PTHREAD_MUTEX_INITIALIZER; static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help. Use ' help' for details of a particular command."}, {"data", CmdData, 1, "{ Plot window / data buffer manipulation... }"}, - {"hf", CmdHF, 1, "{ High Frequency commands... }"}, + {"hf", CmdHF, 1, "{ High Frequency commands... }"}, {"hw", CmdHW, 1, "{ Hardware commands... }"}, - {"lf", CmdLF, 1, "{ Low Frequency commands... }"}, - {"script", CmdScript, 1,"{ Scripting commands }"}, + {"lf", CmdLF, 1, "{ Low Frequency commands... }"}, + {"reveng",CmdRev, 1, "Crc calculations from the software reveng1-30"}, + {"script",CmdScript,1, "{ Scripting commands }"}, {"quit", CmdQuit, 1, "Exit program"}, {"exit", CmdQuit, 1, "Exit program"}, {NULL, NULL, 0, NULL} @@ -65,9 +72,15 @@ int CmdHelp(const char *Cmd) int CmdQuit(const char *Cmd) { - exit(0); + return 99; +} + +int CmdRev(const char *Cmd) +{ + CmdCrc(Cmd); return 0; } + /** * @brief This method should be called when sending a new command to the pm3. In case any old * responses from previous commands are stored in the buffer, a call to this method should clear them. @@ -77,7 +90,9 @@ int CmdQuit(const char *Cmd) void clearCommandBuffer() { //This is a very simple operation + pthread_mutex_lock(&cmdBufferMutex); cmd_tail = cmd_head; + pthread_mutex_unlock(&cmdBufferMutex); } /** @@ -86,6 +101,7 @@ void clearCommandBuffer() */ void storeCommand(UsbCommand *command) { + pthread_mutex_lock(&cmdBufferMutex); if( ( cmd_head+1) % CMD_BUFFER_SIZE == cmd_tail) { //If these two are equal, we're about to overwrite in the @@ -97,8 +113,10 @@ void storeCommand(UsbCommand *command) memcpy(destination, command, sizeof(UsbCommand)); cmd_head = (cmd_head +1) % CMD_BUFFER_SIZE; //increment head and wrap - + pthread_mutex_unlock(&cmdBufferMutex); } + + /** * @brief getCommand gets a command from an internal circular buffer. * @param response location to write command @@ -106,8 +124,10 @@ void storeCommand(UsbCommand *command) */ int getCommand(UsbCommand* response) { + pthread_mutex_lock(&cmdBufferMutex); //If head == tail, there's nothing to read, or if we just got initialized if(cmd_head == cmd_tail){ + pthread_mutex_unlock(&cmdBufferMutex); return 0; } //Pick out the next unread command @@ -115,11 +135,11 @@ int getCommand(UsbCommand* response) memcpy(response, last_unread, sizeof(UsbCommand)); //Increment tail - this is a circular buffer, so modulo buffer size cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE; - + pthread_mutex_unlock(&cmdBufferMutex); return 1; - } + /** * Waits for a certain response type. This method waits for a maximum of * ms_timeout milliseconds for a specified response command. @@ -129,42 +149,54 @@ int getCommand(UsbCommand* response) * @param ms_timeout * @return true if command was returned, otherwise false */ -bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) { +bool WaitForResponseTimeoutW(uint32_t cmd, UsbCommand* response, size_t ms_timeout, bool show_warning) { UsbCommand resp; - if (response == NULL) + if (response == NULL) { response = &resp; + } - + uint64_t start_time = msclock(); + // Wait until the command is received - for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) { + while (true) { while(getCommand(response)) { if(response->cmd == cmd){ return true; } } - msleep(10); // XXX ugh - if (dm_seconds == 200) { // Two seconds elapsed + if (msclock() - start_time > ms_timeout) { + break; + } + if (msclock() - start_time > 2000 && show_warning) { PrintAndLog("Waiting for a response from the proxmark..."); PrintAndLog("Don't forget to cancel its operation first by pressing on the button"); - } + break; + } } - return false; + return false; +} + + +bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) { + return WaitForResponseTimeoutW(cmd, response, ms_timeout, true); } bool WaitForResponse(uint32_t cmd, UsbCommand* response) { - return WaitForResponseTimeout(cmd,response,-1); + return WaitForResponseTimeoutW(cmd, response, -1, true); } + //----------------------------------------------------------------------------- // Entry point into our code: called whenever the user types a command and // then presses Enter, which the full command line that they typed. //----------------------------------------------------------------------------- -void CommandReceived(char *Cmd) { - CmdsParse(CommandTable, Cmd); +int CommandReceived(char *Cmd) { + return CmdsParse(CommandTable, Cmd); } + //----------------------------------------------------------------------------- // Entry point into our code: called whenever we received a packet over USB // that we weren't necessarily expecting, for example a debug print. @@ -174,10 +206,11 @@ void UsbCommandReceived(UsbCommand *UC) switch(UC->cmd) { // First check if we are handling a debug message case CMD_DEBUG_PRINT_STRING: { - char s[USB_CMD_DATA_SIZE+1] = {0x00}; + char s[USB_CMD_DATA_SIZE+1]; + memset(s, 0x00, sizeof(s)); size_t len = MIN(UC->arg[0],USB_CMD_DATA_SIZE); memcpy(s,UC->d.asBytes,len); - PrintAndLog("#db# %s ", s); + PrintAndLog("#db# %s", s); return; } break; @@ -188,12 +221,13 @@ void UsbCommandReceived(UsbCommand *UC) case CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K: { memcpy(sample_buf+(UC->arg[0]),UC->d.asBytes,UC->arg[1]); + return; } break; default: + storeCommand(UC); break; } - storeCommand(UC); }