TeamHepta/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2026-04-05 20:15:36 +02:00
Code Issues Packages Projects Releases Wiki Activity

Free authority info access data in x509_crt struct

Browse Source
This commit is contained in:
Andres Amaya Garcia
2017-08-15 16:22:45 +01:00
committed by Andres Amaya Garcia
parent 4e075e4f5c
commit 994a028465
1 changed files with 49 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

114
library/x509_crt.c
View File

@@ -2533,86 +2533,70 @@ void mbedtls_x509_crt_init( mbedtls_x509_crt *crt )
memset( crt, 0, sizeof(mbedtls_x509_crt) );
}
static void x509_crt_free_name( mbedtls_x509_name *name )
{
mbedtls_x509_name *cur = name->next;
mbedtls_x509_name *prv;
while( cur != NULL )
{
prv = cur;
cur = cur->next;
mbedtls_zeroize( prv, sizeof( mbedtls_x509_name ) );
mbedtls_free( prv );
}
}
static void x509_crt_free_sequence( mbedtls_x509_sequence *seq )
{
mbedtls_x509_sequence *cur = seq->next;
mbedtls_x509_sequence *prv;
while( cur != NULL )
{
prv = cur;
cur = cur->next;
mbedtls_zeroize( prv, sizeof( mbedtls_x509_sequence ) );
mbedtls_free( prv );
}
}
/*
* Unallocate all certificate data
*/
void mbedtls_x509_crt_free( mbedtls_x509_crt *crt )
{
mbedtls_x509_crt *cert_cur = crt;
mbedtls_x509_crt *cert_prv;
mbedtls_x509_name *name_cur;
mbedtls_x509_name *name_prv;
mbedtls_x509_sequence *seq_cur;
mbedtls_x509_sequence *seq_prv;
mbedtls_x509_crt *cur = crt;
mbedtls_x509_crt *prv;
if( crt == NULL )
return;
do
while( cur != NULL )
{
mbedtls_pk_free( &cert_cur->pk );
prv = cur;
cur = cur->next;
mbedtls_pk_free( &prv->pk );
#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
mbedtls_free( cert_cur->sig_opts );
mbedtls_free( prv->sig_opts );
#endif
name_cur = cert_cur->issuer.next;
while( name_cur != NULL )
x509_crt_free_name( &prv->issuer );
x509_crt_free_name( &prv->subject );
x509_crt_free_sequence( &prv->ext_key_usage );
x509_crt_free_sequence( &prv->subject_alt_names );
x509_crt_free_sequence( &prv->auth_access_descs );
if( prv->raw.p != NULL )
{
name_prv = name_cur;
name_cur = name_cur->next;
mbedtls_zeroize( name_prv, sizeof( mbedtls_x509_name ) );
mbedtls_free( name_prv );
mbedtls_zeroize( prv->raw.p, prv->raw.len );
mbedtls_free( prv->raw.p );
}
name_cur = cert_cur->subject.next;
while( name_cur != NULL )
{
name_prv = name_cur;
name_cur = name_cur->next;
mbedtls_zeroize( name_prv, sizeof( mbedtls_x509_name ) );
mbedtls_free( name_prv );
}
seq_cur = cert_cur->ext_key_usage.next;
while( seq_cur != NULL )
{
seq_prv = seq_cur;
seq_cur = seq_cur->next;
mbedtls_zeroize( seq_prv, sizeof( mbedtls_x509_sequence ) );
mbedtls_free( seq_prv );
}
seq_cur = cert_cur->subject_alt_names.next;
while( seq_cur != NULL )
{
seq_prv = seq_cur;
seq_cur = seq_cur->next;
mbedtls_zeroize( seq_prv, sizeof( mbedtls_x509_sequence ) );
mbedtls_free( seq_prv );
}
if( cert_cur->raw.p != NULL )
{
mbedtls_zeroize( cert_cur->raw.p, cert_cur->raw.len );
mbedtls_free( cert_cur->raw.p );
}
cert_cur = cert_cur->next;
mbedtls_zeroize( prv, sizeof( mbedtls_x509_crt ) );
if( prv != crt )
mbedtls_free( prv );
}
while( cert_cur != NULL );
cert_cur = crt;
do
{
cert_prv = cert_cur;
cert_cur = cert_cur->next;
mbedtls_zeroize( cert_prv, sizeof( mbedtls_x509_crt ) );
if( cert_prv != crt )
mbedtls_free( cert_prv );
}
while( cert_cur != NULL );
}
#endif /* MBEDTLS_X509_CRT_PARSE_C */