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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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2
library/x509_crl.c
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@ -505,7 +505,7 @@ int mbedtls_x509_crl_parse( mbedtls_x509_crl *chain, const unsigned char *buf, s
mbedtls_pem_init( &pem );
/* Avoid calling mbedtls_pem_read_buffer() on non-null-terminated string */
if( buf[buflen - 1] != '\0' )
if( buflen == 0 || buf[buflen - 1] != '\0' )
ret = MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT;
else
ret = mbedtls_pem_read_buffer( &pem,