mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2025-01-09 08:55:30 +00:00
8af7bfa982
If we didn't walk the whole chain, then there may be any kind of errors in the part of the chain we didn't check, so setting all flags looks like the safe thing to do.
722 lines
18 KiB
Plaintext
722 lines
18 KiB
Plaintext
/* BEGIN_HEADER */
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#include "polarssl/x509.h"
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#include "polarssl/x509_crt.h"
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#include "polarssl/x509_crl.h"
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#include "polarssl/x509_csr.h"
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#include "polarssl/pem.h"
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#include "polarssl/oid.h"
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#include "polarssl/base64.h"
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int verify_none( void *data, x509_crt *crt, int certificate_depth, int *flags )
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{
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((void) data);
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((void) crt);
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((void) certificate_depth);
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*flags |= BADCERT_OTHER;
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return 0;
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}
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int verify_all( void *data, x509_crt *crt, int certificate_depth, int *flags )
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{
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((void) data);
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((void) crt);
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((void) certificate_depth);
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*flags = 0;
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return 0;
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}
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#if defined(POLARSSL_X509_CRT_PARSE_C)
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typedef struct {
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char buf[512];
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char *p;
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} verify_print_context;
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void verify_print_init( verify_print_context *ctx )
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{
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memset( ctx, 0, sizeof( verify_print_context ) );
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ctx->p = ctx->buf;
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}
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#if defined(_MSC_VER) && !defined snprintf
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#define snprintf _snprintf
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#endif
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#define SAFE_SNPRINTF \
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do \
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{ \
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if( ret < 0 || (size_t) ret > n ) \
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{ \
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p[n - 1] = '\0'; \
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return( -1 ); \
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} \
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\
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n -= (unsigned int) ret; \
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p += (unsigned int) ret; \
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} while( 0 )
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int verify_print( void *data, x509_crt *crt, int certificate_depth, int *flags )
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{
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int ret;
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verify_print_context *ctx = (verify_print_context *) data;
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char *p = ctx->p;
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size_t n = ctx->buf + sizeof( ctx->buf ) - ctx->p;
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((void) flags);
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ret = polarssl_snprintf( p, n, "depth %d - serial ", certificate_depth );
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SAFE_SNPRINTF;
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ret = x509_serial_gets( p, n, &crt->serial );
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SAFE_SNPRINTF;
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ret = polarssl_snprintf( p, n, " - subject " );
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SAFE_SNPRINTF;
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ret = x509_dn_gets( p, n, &crt->subject );
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SAFE_SNPRINTF;
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ret = polarssl_snprintf( p, n, "\n" );
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SAFE_SNPRINTF;
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ctx->p = p;
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return( 0 );
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}
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#endif /* POLARSSL_X509_CRT_PARSE_C */
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/* strsep() not available on Windows */
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char *mystrsep(char **stringp, const char *delim)
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{
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const char *p;
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char *ret = *stringp;
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if( *stringp == NULL )
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return( NULL );
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for( ; ; (*stringp)++ )
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{
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if( **stringp == '\0' )
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{
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*stringp = NULL;
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goto done;
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}
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for( p = delim; *p != '\0'; p++ )
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if( **stringp == *p )
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{
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**stringp = '\0';
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(*stringp)++;
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goto done;
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}
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}
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done:
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return( ret );
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}
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:POLARSSL_BIGNUM_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
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void x509_cert_info( char *crt_file, char *result_str )
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{
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x509_crt crt;
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char buf[2000];
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int res;
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x509_crt_init( &crt );
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memset( buf, 0, 2000 );
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TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
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res = x509_crt_info( buf, 2000, "", &crt );
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TEST_ASSERT( res != -1 );
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TEST_ASSERT( res != -2 );
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TEST_ASSERT( strcmp( buf, result_str ) == 0 );
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exit:
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x509_crt_free( &crt );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRL_PARSE_C */
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void x509_crl_info( char *crl_file, char *result_str )
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{
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x509_crl crl;
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char buf[2000];
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int res;
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x509_crl_init( &crl );
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memset( buf, 0, 2000 );
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TEST_ASSERT( x509_crl_parse_file( &crl, crl_file ) == 0 );
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res = x509_crl_info( buf, 2000, "", &crl );
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TEST_ASSERT( res != -1 );
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TEST_ASSERT( res != -2 );
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TEST_ASSERT( strcmp( buf, result_str ) == 0 );
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exit:
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x509_crl_free( &crl );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRL_PARSE_C */
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void x509_crl_parse( char *crl_file, int result )
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{
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x509_crl crl;
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char buf[2000];
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x509_crl_init( &crl );
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memset( buf, 0, 2000 );
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TEST_ASSERT( x509_crl_parse_file( &crl, crl_file ) == result );
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exit:
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x509_crl_free( &crl );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CSR_PARSE_C */
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void x509_csr_info( char *csr_file, char *result_str )
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{
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x509_csr csr;
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char buf[2000];
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int res;
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x509_csr_init( &csr );
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memset( buf, 0, 2000 );
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TEST_ASSERT( x509_csr_parse_file( &csr, csr_file ) == 0 );
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res = x509_csr_info( buf, 2000, "", &csr );
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TEST_ASSERT( res != -1 );
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TEST_ASSERT( res != -2 );
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TEST_ASSERT( strcmp( buf, result_str ) == 0 );
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exit:
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x509_csr_free( &csr );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C */
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void x509_verify_info( int flags, char *prefix, char *result_str )
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{
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char buf[2000];
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int res;
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memset( buf, 0, sizeof( buf ) );
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res = x509_crt_verify_info( buf, sizeof( buf ), prefix, flags );
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TEST_ASSERT( res >= 0 );
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TEST_ASSERT( strcmp( buf, result_str ) == 0 );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C:POLARSSL_X509_CRL_PARSE_C */
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void x509_verify( char *crt_file, char *ca_file, char *crl_file,
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char *cn_name_str, int result, int flags_result,
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char *verify_callback )
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{
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x509_crt crt;
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x509_crt ca;
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x509_crl crl;
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int flags = 0;
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int res;
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int (*f_vrfy)(void *, x509_crt *, int, int *) = NULL;
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char * cn_name = NULL;
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x509_crt_init( &crt );
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x509_crt_init( &ca );
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x509_crl_init( &crl );
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if( strcmp( cn_name_str, "NULL" ) != 0 )
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cn_name = cn_name_str;
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if( strcmp( verify_callback, "NULL" ) == 0 )
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f_vrfy = NULL;
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else if( strcmp( verify_callback, "verify_none" ) == 0 )
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f_vrfy = verify_none;
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else if( strcmp( verify_callback, "verify_all" ) == 0 )
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f_vrfy = verify_all;
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else
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TEST_ASSERT( "No known verify callback selected" == 0 );
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TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
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TEST_ASSERT( x509_crt_parse_file( &ca, ca_file ) == 0 );
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TEST_ASSERT( x509_crl_parse_file( &crl, crl_file ) == 0 );
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res = x509_crt_verify( &crt, &ca, &crl, cn_name, &flags, f_vrfy, NULL );
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TEST_ASSERT( res == ( result ) );
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TEST_ASSERT( flags == ( flags_result ) );
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exit:
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x509_crt_free( &crt );
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x509_crt_free( &ca );
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x509_crl_free( &crl );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
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void x509_verify_callback( char *crt_file, char *ca_file,
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int exp_ret, char *exp_vrfy_out )
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{
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int ret;
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x509_crt crt;
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x509_crt ca;
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int flags = 0;
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verify_print_context vrfy_ctx;
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x509_crt_init( &crt );
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x509_crt_init( &ca );
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verify_print_init( &vrfy_ctx );
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TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
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TEST_ASSERT( x509_crt_parse_file( &ca, ca_file ) == 0 );
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ret = x509_crt_verify( &crt, &ca, NULL, NULL, &flags,
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verify_print, &vrfy_ctx );
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TEST_ASSERT( ret == exp_ret );
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TEST_ASSERT( strcmp( vrfy_ctx.buf, exp_vrfy_out ) == 0 );
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exit:
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x509_crt_free( &crt );
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x509_crt_free( &ca );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
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void x509_dn_gets( char *crt_file, char *entity, char *result_str )
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{
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x509_crt crt;
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char buf[2000];
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int res = 0;
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x509_crt_init( &crt );
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memset( buf, 0, 2000 );
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TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
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if( strcmp( entity, "subject" ) == 0 )
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res = x509_dn_gets( buf, 2000, &crt.subject );
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else if( strcmp( entity, "issuer" ) == 0 )
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res = x509_dn_gets( buf, 2000, &crt.issuer );
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else
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TEST_ASSERT( "Unknown entity" == 0 );
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TEST_ASSERT( res != -1 );
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TEST_ASSERT( res != -2 );
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TEST_ASSERT( strcmp( buf, result_str ) == 0 );
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exit:
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x509_crt_free( &crt );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
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void x509_time_expired( char *crt_file, char *entity, int result )
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{
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x509_crt crt;
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x509_crt_init( &crt );
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TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
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if( strcmp( entity, "valid_from" ) == 0 )
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TEST_ASSERT( x509_time_expired( &crt.valid_from ) == result );
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else if( strcmp( entity, "valid_to" ) == 0 )
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TEST_ASSERT( x509_time_expired( &crt.valid_to ) == result );
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else
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TEST_ASSERT( "Unknown entity" == 0 );
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exit:
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x509_crt_free( &crt );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
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void x509_time_future( char *crt_file, char *entity, int result )
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{
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x509_crt crt;
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x509_crt_init( &crt );
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TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
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if( strcmp( entity, "valid_from" ) == 0 )
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TEST_ASSERT( x509_time_future( &crt.valid_from ) == result );
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else if( strcmp( entity, "valid_to" ) == 0 )
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TEST_ASSERT( x509_time_future( &crt.valid_to ) == result );
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else
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TEST_ASSERT( "Unknown entity" == 0 );
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exit:
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x509_crt_free( &crt );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C:POLARSSL_FS_IO */
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void x509parse_crt_file( char *crt_file, int result )
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{
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x509_crt crt;
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x509_crt_init( &crt );
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TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == result );
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exit:
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x509_crt_free( &crt );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C */
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void x509parse_crt( char *crt_data, char *result_str, int result )
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{
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x509_crt crt;
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unsigned char buf[2000];
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unsigned char output[2000];
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int data_len, res;
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x509_crt_init( &crt );
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memset( buf, 0, 2000 );
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memset( output, 0, 2000 );
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data_len = unhexify( buf, crt_data );
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TEST_ASSERT( x509_crt_parse( &crt, buf, data_len ) == ( result ) );
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if( ( result ) == 0 )
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{
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res = x509_crt_info( (char *) output, 2000, "", &crt );
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TEST_ASSERT( res != -1 );
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TEST_ASSERT( res != -2 );
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TEST_ASSERT( strcmp( (char *) output, result_str ) == 0 );
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}
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exit:
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x509_crt_free( &crt );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_X509_CRL_PARSE_C */
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void x509parse_crl( char *crl_data, char *result_str, int result )
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{
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x509_crl crl;
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unsigned char buf[2000];
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unsigned char output[2000];
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int data_len, res;
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x509_crl_init( &crl );
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memset( buf, 0, 2000 );
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memset( output, 0, 2000 );
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data_len = unhexify( buf, crl_data );
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TEST_ASSERT( x509_crl_parse( &crl, buf, data_len ) == ( result ) );
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if( ( result ) == 0 )
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{
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res = x509_crl_info( (char *) output, 2000, "", &crl );
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TEST_ASSERT( res != -1 );
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TEST_ASSERT( res != -2 );
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TEST_ASSERT( strcmp( (char *) output, result_str ) == 0 );
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}
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exit:
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x509_crl_free( &crl );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_X509_CSR_PARSE_C */
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void x509_csr_parse( char *csr_der_hex, char *ref_out, int ref_ret )
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{
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x509_csr csr;
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unsigned char *csr_der = NULL;
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char my_out[1000];
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size_t csr_der_len;
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int my_ret;
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x509_csr_init( &csr );
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memset( my_out, 0, sizeof( my_out ) );
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csr_der = unhexify_alloc( csr_der_hex, &csr_der_len );
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my_ret = x509_csr_parse_der( &csr, csr_der, csr_der_len );
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TEST_ASSERT( my_ret == ref_ret );
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if( ref_ret == 0 )
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{
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size_t my_out_len = x509_csr_info( my_out, sizeof( my_out ), "", &csr );
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TEST_ASSERT( my_out_len == strlen( ref_out ) );
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TEST_ASSERT( strcmp( my_out, ref_out ) == 0 );
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}
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exit:
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x509_csr_free( &csr );
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polarssl_free( csr_der );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
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void x509_crt_parse_path( char *crt_path, int ret, int nb_crt )
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{
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x509_crt chain, *cur;
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int i;
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x509_crt_init( &chain );
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TEST_ASSERT( x509_crt_parse_path( &chain, crt_path ) == ret );
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/* Check how many certs we got */
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for( i = 0, cur = &chain; cur != NULL; cur = cur->next )
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if( cur->raw.p != NULL )
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i++;
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TEST_ASSERT( i == nb_crt );
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exit:
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x509_crt_free( &chain );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
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void x509_crt_verify_max( char *ca_file, char *chain_dir, int nb_int,
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int ret_chk, int flags_chk )
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{
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char file_buf[128];
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int ret;
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int flags;
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x509_crt trusted, chain;
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/*
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* We expect chain_dir to contain certificates 00.crt, 01.crt, etc.
|
|
* with NN.crt signed by NN-1.crt
|
|
*/
|
|
|
|
x509_crt_init( &trusted );
|
|
x509_crt_init( &chain );
|
|
|
|
/* Load trusted root */
|
|
TEST_ASSERT( x509_crt_parse_file( &trusted, ca_file ) == 0 );
|
|
|
|
/* Load a chain with nb_int intermediates (from 01 to nb_int),
|
|
* plus one "end-entity" cert (nb_int + 1) */
|
|
ret = snprintf( file_buf, sizeof file_buf, "%s/c%02d.pem", chain_dir,
|
|
nb_int + 1 );
|
|
TEST_ASSERT( ret > 0 && (size_t) ret < sizeof file_buf );
|
|
TEST_ASSERT( x509_crt_parse_file( &chain, file_buf ) == 0 );
|
|
|
|
/* Try to verify that chain */
|
|
ret = x509_crt_verify( &chain, &trusted, NULL, NULL, &flags,
|
|
NULL, NULL );
|
|
TEST_ASSERT( ret == ret_chk );
|
|
TEST_ASSERT( flags == flags_chk );
|
|
|
|
exit:
|
|
x509_crt_free( &chain );
|
|
x509_crt_free( &trusted );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
|
|
void x509_crt_verify_chain( char *chain_paths, char *trusted_ca, int flags_result )
|
|
{
|
|
char* act;
|
|
int flags;
|
|
int result, res;
|
|
x509_crt trusted, chain;
|
|
|
|
result = flags_result ? POLARSSL_ERR_X509_CERT_VERIFY_FAILED : 0;
|
|
|
|
x509_crt_init( &chain );
|
|
x509_crt_init( &trusted );
|
|
|
|
while( ( act = mystrsep( &chain_paths, " " ) ) != NULL )
|
|
TEST_ASSERT( x509_crt_parse_file( &chain, act ) == 0 );
|
|
TEST_ASSERT( x509_crt_parse_file( &trusted, trusted_ca ) == 0 );
|
|
|
|
res = x509_crt_verify( &chain, &trusted, NULL, NULL, &flags, NULL, NULL );
|
|
|
|
TEST_ASSERT( res == result );
|
|
TEST_ASSERT( flags == flags_result );
|
|
|
|
exit:
|
|
x509_crt_free( &trusted );
|
|
x509_crt_free( &chain );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:POLARSSL_X509_USE_C */
|
|
void x509_oid_desc( char *oid_str, char *ref_desc )
|
|
{
|
|
x509_buf oid;
|
|
const char *desc = NULL;
|
|
unsigned char buf[20];
|
|
int ret;
|
|
|
|
memset( buf, 0, sizeof buf );
|
|
|
|
oid.tag = ASN1_OID;
|
|
oid.len = unhexify( buf, oid_str );
|
|
oid.p = buf;
|
|
|
|
ret = oid_get_extended_key_usage( &oid, &desc );
|
|
|
|
if( strcmp( ref_desc, "notfound" ) == 0 )
|
|
{
|
|
TEST_ASSERT( ret != 0 );
|
|
TEST_ASSERT( desc == NULL );
|
|
}
|
|
else
|
|
{
|
|
TEST_ASSERT( ret == 0 );
|
|
TEST_ASSERT( desc != NULL );
|
|
TEST_ASSERT( strcmp( desc, ref_desc ) == 0 );
|
|
}
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:POLARSSL_X509_USE_C */
|
|
void x509_oid_numstr( char *oid_str, char *numstr, int blen, int ret )
|
|
{
|
|
x509_buf oid;
|
|
unsigned char oid_buf[20];
|
|
char num_buf[100];
|
|
|
|
memset( oid_buf, 0x00, sizeof oid_buf );
|
|
memset( num_buf, 0x2a, sizeof num_buf );
|
|
|
|
oid.tag = ASN1_OID;
|
|
oid.len = unhexify( oid_buf, oid_str );
|
|
oid.p = oid_buf;
|
|
|
|
TEST_ASSERT( (size_t) blen <= sizeof num_buf );
|
|
|
|
TEST_ASSERT( oid_get_numeric_string( num_buf, blen, &oid ) == ret );
|
|
|
|
if( ret >= 0 )
|
|
{
|
|
TEST_ASSERT( num_buf[ret] == 0 );
|
|
TEST_ASSERT( strcmp( num_buf, numstr ) == 0 );
|
|
}
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C:POLARSSL_X509_CHECK_KEY_USAGE */
|
|
void x509_check_key_usage( char *crt_file, int usage, int ret )
|
|
{
|
|
x509_crt crt;
|
|
|
|
x509_crt_init( &crt );
|
|
|
|
TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
|
|
|
|
TEST_ASSERT( x509_crt_check_key_usage( &crt, usage ) == ret );
|
|
|
|
exit:
|
|
x509_crt_free( &crt );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C:POLARSSL_X509_CHECK_EXTENDED_KEY_USAGE */
|
|
void x509_check_extended_key_usage( char *crt_file, char *usage_hex, int ret )
|
|
{
|
|
x509_crt crt;
|
|
char oid[50];
|
|
size_t len;
|
|
|
|
x509_crt_init( &crt );
|
|
|
|
len = unhexify( (unsigned char *) oid, usage_hex );
|
|
|
|
TEST_ASSERT( x509_crt_parse_file( &crt, crt_file ) == 0 );
|
|
|
|
TEST_ASSERT( x509_crt_check_extended_key_usage( &crt, oid, len ) == ret );
|
|
|
|
exit:
|
|
x509_crt_free( &crt );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:POLARSSL_X509_USE_C */
|
|
void x509_get_time( int tag, char *time_str, int ret,
|
|
int year, int mon, int day,
|
|
int hour, int min, int sec )
|
|
{
|
|
x509_time time;
|
|
unsigned char buf[17];
|
|
unsigned char* start = buf;
|
|
unsigned char* end = buf;
|
|
|
|
memset( &time, 0x00, sizeof( time ) );
|
|
*end = (unsigned char)tag; end++;
|
|
if( tag == ASN1_UTC_TIME )
|
|
*end = 13;
|
|
else
|
|
*end = 15;
|
|
end++;
|
|
memcpy( end, time_str, (size_t)*(end - 1) );
|
|
end += *(end - 1);
|
|
|
|
TEST_ASSERT( x509_get_time( &start, end, &time ) == ret );
|
|
if( ret == 0 )
|
|
{
|
|
TEST_ASSERT( year == time.year );
|
|
TEST_ASSERT( mon == time.mon );
|
|
TEST_ASSERT( day == time.day );
|
|
TEST_ASSERT( hour == time.hour );
|
|
TEST_ASSERT( min == time.min );
|
|
TEST_ASSERT( sec == time.sec );
|
|
}
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C:POLARSSL_X509_RSASSA_PSS_SUPPORT */
|
|
void x509_parse_rsassa_pss_params( char *hex_params, int params_tag,
|
|
int ref_msg_md, int ref_mgf_md,
|
|
int ref_salt_len, int ref_ret )
|
|
{
|
|
int my_ret;
|
|
x509_buf params;
|
|
md_type_t my_msg_md, my_mgf_md;
|
|
int my_salt_len;
|
|
|
|
params.p = unhexify_alloc( hex_params, ¶ms.len );
|
|
params.tag = params_tag;
|
|
|
|
my_ret = x509_get_rsassa_pss_params( ¶ms, &my_msg_md, &my_mgf_md,
|
|
&my_salt_len );
|
|
|
|
TEST_ASSERT( my_ret == ref_ret );
|
|
|
|
if( ref_ret == 0 )
|
|
{
|
|
TEST_ASSERT( my_msg_md == (md_type_t) ref_msg_md );
|
|
TEST_ASSERT( my_mgf_md == (md_type_t) ref_mgf_md );
|
|
TEST_ASSERT( my_salt_len == ref_salt_len );
|
|
}
|
|
|
|
exit:
|
|
polarssl_free( params.p );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C:POLARSSL_SELF_TEST */
|
|
void x509_selftest()
|
|
{
|
|
TEST_ASSERT( x509_self_test( 0 ) == 0 );
|
|
}
|
|
/* END_CASE */
|