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tpm12: Get rid of usage of sprintf and use snprintf instead

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Get rid of the usage of an sprintf and use snprintf instead. In this
case the buffer is 128, so big enough to not cause problems, though.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2019-10-17 10:43:43 -04:00 committed by Stefan Berger
parent 7bd2fb0d42
commit 57d628a5ce
1 changed files with 8 additions and 2 deletions
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10
src/tpm12/tpm_admin.c
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@ -627,8 +627,14 @@ TPM_RESULT TPM_Process_GetTestResult(tpm_state_t *tpm_state,
}
/* for now, just return the state of shutdown as a printable string */
if (returnCode == TPM_SUCCESS) {
/* cast because TPM_SIZED_BUFFER is typically unsigned (binary) but sprintf expects char */
outData.size = sprintf((char *)(outData.buffer), "Shutdown %08x\n", tpm_state->testState);
size_t len = outData.size;
/* cast because TPM_SIZED_BUFFER is typically unsigned (binary) but snprintf expects char */
outData.size = snprintf((char *)(outData.buffer), len,
"Shutdown %08x\n", tpm_state->testState);
if (outData.size >= len) {
printf("TPM_Process_GetTestResult: Error (fatal), buffer too small\n");
returnCode = TPM_FAIL;
}
}
/*
response