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Fix checks for nul-termination

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Manuel Pégourié-Gonnard
2015-05-12 12:43:54 +02:00
parent 24083d61a0
commit 0ece0f94f2
5 changed files with 9 additions and 9 deletions
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library/x509_crt.c
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@ -852,7 +852,7 @@ int mbedtls_x509_crt_parse( mbedtls_x509_crt *chain, const unsigned char *buf, s
* one or more PEM certificates.
*/
#if defined(MBEDTLS_PEM_PARSE_C)
if( buf[buflen - 1] == '\0' &&
if( buflen != 0 && buf[buflen - 1] == '\0' &&
strstr( (const char *) buf, "-----BEGIN CERTIFICATE-----" ) != NULL )
{
buf_format = MBEDTLS_X509_FORMAT_PEM;