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chg: 'trace save' - if client has no log, try download from device before saveing

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This commit is contained in:
iceman1001 2020-06-04 11:50:41 +02:00
parent 66fd599c70
commit fd93222fdb
1 changed files with 76 additions and 67 deletions
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143
client/src/cmdtrace.c
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@ -414,6 +414,56 @@ static uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *tr
return tracepos;
}
static int download_trace(void) {
if (!IfPm3Present()) {
PrintAndLogEx(FAILED, "You requested a trace upload in offline mode, consider using parameter '1' for working from Tracebuffer");
return PM3_EINVARG;
}
// reserve some space.
if (g_trace)
free(g_trace);
g_traceLen = 0;
g_trace = calloc(PM3_CMD_DATA_SIZE, sizeof(uint8_t));
if (g_trace == NULL) {
PrintAndLogEx(FAILED, "Cannot allocate memory for trace");
return PM3_EMALLOC;
}
PrintAndLogEx(INFO, "downloading tracelog from device");
// Query for the size of the trace, downloading PM3_CMD_DATA_SIZE
PacketResponseNG response;
if (!GetFromDevice(BIG_BUF, g_trace, PM3_CMD_DATA_SIZE, 0, NULL, 0, &response, 4000, true)) {
PrintAndLogEx(WARNING, "timeout while waiting for reply.");
free(g_trace);
return PM3_ETIMEOUT;
}
g_traceLen = response.oldarg[2];
// if tracelog buffer was larger and we need to download more.
if (g_traceLen > PM3_CMD_DATA_SIZE) {
free(g_trace);
g_trace = calloc(g_traceLen, sizeof(uint8_t));
if (g_trace == NULL) {
PrintAndLogEx(FAILED, "Cannot allocate memory for trace");
return PM3_EMALLOC;
}
if (!GetFromDevice(BIG_BUF, g_trace, g_traceLen, 0, NULL, 0, NULL, 2500, false)) {
PrintAndLogEx(WARNING, "command execution time out");
free(g_trace);
return PM3_ETIMEOUT;
}
}
return PM3_SUCCESS;
}
// sanity check. Don't use proxmark if it is offline and you didn't specify useTraceBuffer
/*
static int SanityOfflineCheck( bool useTraceBuffer ){
@ -429,7 +479,7 @@ static int CmdTraceLoad(const char *Cmd) {
char filename[FILE_PATH_SIZE];
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) < 1 || cmdp == 'h') return usage_trace_load();
if (strlen(Cmd) < 1 || (strlen(Cmd) == 1 && cmdp == 'h')) return usage_trace_load();
param_getstr(Cmd, 0, filename, sizeof(filename));
@ -449,7 +499,11 @@ static int CmdTraceLoad(const char *Cmd) {
}
static int CmdTraceSave(const char *Cmd) {
if (g_traceLen == 0) {
download_trace();
}
if (g_traceLen == 0) {
PrintAndLogEx(WARNING, "trace is empty, nothing to save");
return PM3_SUCCESS;
@ -457,32 +511,13 @@ static int CmdTraceSave(const char *Cmd) {
char filename[FILE_PATH_SIZE];
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) < 1 || cmdp == 'h') return usage_trace_save();
if (strlen(Cmd) < 1 || (strlen(Cmd) == 1 && cmdp == 'h')) return usage_trace_save();
param_getstr(Cmd, 0, filename, sizeof(filename));
saveFile(filename, ".bin", g_trace, g_traceLen);
return PM3_SUCCESS;
}
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help"},
{"list", CmdTraceList, AlwaysAvailable, "List protocol data in trace buffer"},
{"load", CmdTraceLoad, AlwaysAvailable, "Load trace from file"},
{"save", CmdTraceSave, AlwaysAvailable, "Save trace buffer to file"},
{NULL, NULL, NULL, NULL}
};
static int CmdHelp(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
CmdsHelp(CommandTable);
return PM3_SUCCESS;
}
int CmdTrace(const char *Cmd) {
clearCommandBuffer();
return CmdsParse(CommandTable, Cmd);
}
int CmdTraceList(const char *Cmd) {
clearCommandBuffer();
@ -567,51 +602,7 @@ int CmdTraceList(const char *Cmd) {
if (errors) return usage_trace_list();
if (isOnline) {
if (!IfPm3Present()) {
PrintAndLogEx(FAILED, "You requested a trace upload in offline mode, consider using parameter '1' for working from Tracebuffer");
return PM3_EINVARG;
}
// reserve some space.
if (g_trace)
free(g_trace);
g_traceLen = 0;
g_trace = calloc(PM3_CMD_DATA_SIZE, sizeof(uint8_t));
if (g_trace == NULL) {
PrintAndLogEx(FAILED, "Cannot allocate memory for trace");
return PM3_EMALLOC;
}
PrintAndLogEx(INFO, "downloading tracelog from device");
// Query for the size of the trace, downloading PM3_CMD_DATA_SIZE
PacketResponseNG response;
if (!GetFromDevice(BIG_BUF, g_trace, PM3_CMD_DATA_SIZE, 0, NULL, 0, &response, 4000, true)) {
PrintAndLogEx(WARNING, "timeout while waiting for reply.");
free(g_trace);
return PM3_ETIMEOUT;
}
g_traceLen = response.oldarg[2];
// if tracelog buffer was larger and we need to download more.
if (g_traceLen > PM3_CMD_DATA_SIZE) {
free(g_trace);
g_trace = calloc(g_traceLen, sizeof(uint8_t));
if (g_trace == NULL) {
PrintAndLogEx(FAILED, "Cannot allocate memory for trace");
return PM3_EMALLOC;
}
if (!GetFromDevice(BIG_BUF, g_trace, g_traceLen, 0, NULL, 0, NULL, 2500, false)) {
PrintAndLogEx(WARNING, "command execution time out");
free(g_trace);
return PM3_ETIMEOUT;
}
}
download_trace();
}
PrintAndLogEx(SUCCESS, "Recorded activity (trace len = " _YELLOW_("%lu") " bytes)", g_traceLen);
@ -667,3 +658,21 @@ int CmdTraceList(const char *Cmd) {
return PM3_SUCCESS;
}
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help"},
{"list", CmdTraceList, AlwaysAvailable, "List protocol data in trace buffer"},
{"load", CmdTraceLoad, AlwaysAvailable, "Load trace from file"},
{"save", CmdTraceSave, AlwaysAvailable, "Save trace buffer to file"},
{NULL, NULL, NULL, NULL}
};
static int CmdHelp(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
CmdsHelp(CommandTable);
return PM3_SUCCESS;
}
int CmdTrace(const char *Cmd) {
clearCommandBuffer();
return CmdsParse(CommandTable, Cmd);
}