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Check for expected seed length and fix memory leak

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Signed-off-by: Sven Trieflinger <sven.trieflinger@de.bosch.com>
This commit is contained in:
Sven Trieflinger
2021-12-09 08:46:30 +01:00
parent 355fbf6b73
commit 5350e664c2
1 changed files with 8 additions and 1 deletions
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9
Utils/Fake-Offline.cpp
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@@ -548,7 +548,7 @@ int main(int argc, const char** argv)
0, // Required?
1, // Number of args expected.
0, // Delimiter if expecting multiple args.
"Seed to use for initializing pseudorandom number generator "
"Seed to use for initializing pseudorandom number generator"
"(default: seed from /dev/random)", // Help description.
"-seed", // Flag token.
"--prngseed" // Flag token.
@@ -678,9 +678,16 @@ int FakeParams::generate()
if (opt.isSet("--prngseed")) {
std::string seed;
opt.get("--prngseed")->getString(seed);
if (seed.length() != SEED_SIZE) {
cerr << "ERROR: invalid seed length. Must be " << SEED_SIZE << " bytes";
opt.getUsage(usage);
cout << usage;
return 1;
}
unsigned char *val = new unsigned char[seed.length()+1];
strcpy((char *)val, seed.c_str());
G.SetSeed(val);
delete [] val;
} else {
G.ReSeed();
}