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x509parse_crt() now better handles PEM error situations

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Because of new pem_read_buffer() handling of when it writes use_len,
x509parse_crt() is able to better handle situations where a PEM blob
results in an error but the other blobs can still be parsed.
(cherry picked from commit 6417186365)
This commit is contained in:
Paul Bakker 2013-06-24 19:05:46 +02:00
parent 00b2860e8d
commit 5ed3b34e22
1 changed files with 10 additions and 0 deletions
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10
library/x509parse.c
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@ -1430,10 +1430,20 @@ int x509parse_crt( x509_cert *chain, const unsigned char *buf, size_t buflen )
buflen -= use_len; buflen -= use_len;
buf += use_len; buf += use_len;
} }
else if( ret == POLARSSL_ERR_PEM_BAD_INPUT_DATA )
{
return( ret );
}
else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT ) else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
{ {
pem_free( &pem ); pem_free( &pem );
/*
* PEM header and footer were found
*/
buflen -= use_len;
buf += use_len;
if( first_error == 0 ) if( first_error == 0 )
first_error = ret; first_error = ret;