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- Added prelimenary CRL parsing and info support

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This commit is contained in:
Paul Bakker 2009-05-02 15:13:40 +00:00
parent 68041ec500
commit d98030e7d6
5 changed files with 967 additions and 219 deletions
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80
include/polarssl/x509.h
View File

@ -169,6 +169,46 @@ typedef struct _x509_cert
} }
x509_cert; x509_cert;
typedef struct _x509_crl_entry
{
x509_buf raw;
x509_buf serial;
x509_time revocation_date;
x509_buf entry_ext;
struct _x509_crl_entry *next;
}
x509_crl_entry;
typedef struct _x509_crl
{
x509_buf raw;
x509_buf tbs;
int version;
x509_buf sig_oid1;
x509_buf issuer_raw;
x509_name issuer;
x509_time this_update;
x509_time next_update;
x509_crl_entry entry;
x509_buf crl_ext;
x509_buf sig_oid2;
x509_buf sig;
struct _x509_crl *next;
}
x509_crl;
/* /*
* Structures for writing X.509 certificates * Structures for writing X.509 certificates
*/ */
@ -227,6 +267,29 @@ int x509parse_crt( x509_cert *chain, unsigned char *buf, int buflen );
*/ */
int x509parse_crtfile( x509_cert *chain, char *path ); int x509parse_crtfile( x509_cert *chain, char *path );
/**
* \brief Parse one or more CRLs and add them
* to the chained list
*
* \param chain points to the start of the chain
* \param buf buffer holding the CRL data
* \param buflen size of the buffer
*
* \return 0 if successful, or a specific X509 error code
*/
int x509parse_crl( x509_crl *chain, unsigned char *buf, int buflen );
/**
* \brief Load one or more CRLs and add them
* to the chained list
*
* \param chain points to the start of the chain
* \param path filename to read the CRLs from
*
* \return 0 if successful, or a specific X509 error code
*/
int x509parse_crlfile( x509_crl *chain, char *path );
/** /**
* \brief Parse a private RSA key * \brief Parse a private RSA key
* *
@ -255,15 +318,21 @@ int x509parse_keyfile( rsa_context *rsa, char *path, char *password );
/** /**
* \brief Store the certificate DN in printable form into buf; * \brief Store the certificate DN in printable form into buf;
* no more than (end - buf) characters will be written. * no more than size characters will be written.
*/ */
int x509parse_dn_gets( char *buf, char *end, x509_name *dn ); int x509parse_dn_gets( char *buf, size_t size, x509_name *dn );
/** /**
* \brief Returns an informational string about the * \brief Returns an informational string about the
* certificate. * certificate.
*/ */
char *x509parse_cert_info( char *prefix, x509_cert *crt ); int x509parse_cert_info( char *buf, size_t size, char *prefix, x509_cert *crt );
/**
* \brief Returns an informational string about the
* CRL.
*/
int x509parse_crl_info( char *buf, size_t size, char *prefix, x509_crl *crl );
/** /**
* \brief Return 0 if the certificate is still valid, * \brief Return 0 if the certificate is still valid,
@ -299,6 +368,11 @@ int x509parse_verify( x509_cert *crt,
*/ */
void x509_free( x509_cert *crt ); void x509_free( x509_cert *crt );
/**
* \brief Unallocate all CRL data
*/
void x509_crl_free( x509_crl *crl );
/** /**
* \brief Checkup routine * \brief Checkup routine
* *

7
library/debug.c
View File

@ -171,7 +171,7 @@ void debug_print_mpi( ssl_context *ssl, int level,
void debug_print_crt( ssl_context *ssl, int level, void debug_print_crt( ssl_context *ssl, int level,
char *file, int line, char *text, x509_cert *crt ) char *file, int line, char *text, x509_cert *crt )
{ {
char str[1024], prefix[64], *p; char str[1024], prefix[64];
int i = 0, maxlen = sizeof( prefix ) - 1; int i = 0, maxlen = sizeof( prefix ) - 1;
if( ssl->f_dbg == NULL || crt == NULL ) if( ssl->f_dbg == NULL || crt == NULL )
@ -183,10 +183,11 @@ void debug_print_crt( ssl_context *ssl, int level,
while( crt != NULL && crt->next != NULL ) while( crt != NULL && crt->next != NULL )
{ {
p = x509parse_cert_info( prefix, crt ); char buf[1024];
x509parse_cert_info( buf, sizeof( buf ) - 1, prefix, crt );
snprintf( str, maxlen, "%s(%04d): %s #%d:\n%s", snprintf( str, maxlen, "%s(%04d): %s #%d:\n%s",
file, line, text, ++i, p ); file, line, text, ++i, buf );
str[maxlen] = '\0'; str[maxlen] = '\0';
ssl->f_dbg( ssl->p_dbg, level, str ); ssl->f_dbg( ssl->p_dbg, level, str );

904
library/x509parse.c
View File

File diff suppressed because it is too large Load Diff

3
programs/ssl/ssl_client2.c
View File

@ -208,7 +208,8 @@ int main( void )
printf( " ok\n" ); printf( " ok\n" );
printf( " . Peer certificate information ...\n" ); printf( " . Peer certificate information ...\n" );
printf( x509parse_cert_info( " ", ssl.peer_cert ) ); x509parse_cert_info( (char *) buf, sizeof( buf ) - 1, " ", ssl.peer_cert );
printf( "%s\n", buf );
/* /*
* 6. Write the GET request * 6. Write the GET request

190
programs/test/ssl_cert_test.c
View File

@ -28,33 +28,41 @@
#include "polarssl/certs.h" #include "polarssl/certs.h"
#include "polarssl/x509.h" #include "polarssl/x509.h"
#define MAX_CLIENT_CERTS 6 #if defined _MSC_VER && !defined snprintf
#define snprintf _snprintf
#endif
#define MAX_CLIENT_CERTS 6
char *client_certificates[MAX_CLIENT_CERTS] = char *client_certificates[MAX_CLIENT_CERTS] =
{ {
"client1.crt", "client1.crt",
"client2.crt", "client2.crt",
"cert_sha224.crt", "cert_sha224.crt",
"cert_sha256.crt", "cert_sha256.crt",
"cert_sha384.crt", "cert_sha384.crt",
"cert_sha512.crt" "cert_sha512.crt"
}; };
char *client_private_keys[MAX_CLIENT_CERTS] = char *client_private_keys[MAX_CLIENT_CERTS] =
{ {
"client1.key", "client1.key",
"client2.key", "client2.key",
"cert_sha224.key", "cert_sha224.key",
"cert_sha256.key", "cert_sha256.key",
"cert_sha384.key", "cert_sha384.key",
"cert_sha512.key" "cert_sha512.key"
}; };
int main( void ) int main( void )
{ {
int ret, i; int ret, i;
x509_cert cacert, clicert; x509_cert cacert;
rsa_context rsa; x509_crl crl;
char buf[10240];
memset( &cacert, 0, sizeof( x509_cert ) );
memset( &crl, 0, sizeof( x509_crl ) );
/* /*
* 1.1. Load the trusted CA * 1.1. Load the trusted CA
@ -62,8 +70,6 @@ int main( void )
printf( "\n . Loading the CA root certificate ..." ); printf( "\n . Loading the CA root certificate ..." );
fflush( stdout ); fflush( stdout );
memset( &cacert, 0, sizeof( x509_cert ) );
/* /*
* Alternatively, you may load the CA certificates from a .pem or * Alternatively, you may load the CA certificates from a .pem or
* .crt file by calling x509parse_crtfile( &cacert, "myca.crt" ). * .crt file by calling x509parse_crtfile( &cacert, "myca.crt" ).
@ -77,97 +83,119 @@ int main( void )
printf( " ok\n" ); printf( " ok\n" );
/*
* 1.2. Load the CRL
*/
printf( " . Loading the CRL ..." );
fflush( stdout );
ret = x509parse_crlfile( &crl, "ssl/test-ca/crl.pem" );
if( ret != 0 )
{
printf( " failed\n ! x509parse_crlfile returned %d\n\n", ret );
goto exit;
}
printf( " ok\n" );
x509parse_crl_info( buf, 1024, "CRL: ", &crl );
printf("%s\n", buf );
for( i = 0; i < MAX_CLIENT_CERTS; i++ ) for( i = 0; i < MAX_CLIENT_CERTS; i++ )
{ {
/* /*
* 1.2. Load own certificate * 1.3. Load own certificate
*/ */
char name[512]; char name[512];
int flags; int flags;
x509_cert clicert;
snprintf(name, 512, "ssl/test-ca/%s", client_certificates[i]); rsa_context rsa;
printf( " . Loading the client certificatei %s...", name );
fflush( stdout );
memset( &clicert, 0, sizeof( x509_cert ) ); memset( &clicert, 0, sizeof( x509_cert ) );
memset( &rsa, 0, sizeof( rsa_context ) );
snprintf(name, 512, "ssl/test-ca/%s", client_certificates[i]);
printf( " . Loading the client certificate %s...", name );
fflush( stdout );
ret = x509parse_crtfile( &clicert, name ); ret = x509parse_crtfile( &clicert, name );
if( ret != 0 ) if( ret != 0 )
{ {
printf( " failed\n ! x509parse_crt returned %d\n\n", ret ); printf( " failed\n ! x509parse_crt returned %d\n\n", ret );
goto exit; goto exit;
} }
printf( " ok\n" ); printf( " ok\n" );
/*
* 1.3. Verify certificate validity with CA certificate
*/
printf( " . Verify the client certificate with CA certificate..." );
fflush( stdout );
ret = x509parse_verify( &clicert, &cacert, NULL, &flags );
if( ret != 0 )
{
printf( " failed\n ! x509parse_verify returned %d\n\n", ret );
goto exit;
}
printf( " ok\n" );
/* /*
* 1.4. Load own private key * 1.4. Verify certificate validity with CA certificate
*/ */
snprintf(name, 512, "ssl/test-ca/%s", client_private_keys[i]); printf( " . Verify the client certificate with CA certificate..." );
fflush( stdout );
ret = x509parse_verify( &clicert, &cacert, NULL, &flags );
if( ret != 0 )
{
printf( " failed\n ! x509parse_verify returned %d\n\n", ret );
goto exit;
}
printf( " ok\n" );
/*
* 1.5. Load own private key
*/
snprintf(name, 512, "ssl/test-ca/%s", client_private_keys[i]);
printf( " . Loading the client private key %s...", name ); printf( " . Loading the client private key %s...", name );
fflush( stdout ); fflush( stdout );
memset( &rsa, 0, sizeof( rsa_context ) ); ret = x509parse_keyfile( &rsa, name, NULL );
if( ret != 0 )
{
printf( " failed\n ! x509parse_key returned %d\n\n", ret );
goto exit;
}
ret = x509parse_keyfile( &rsa, name, NULL ); printf( " ok\n" );
if( ret != 0 )
{
printf( " failed\n ! x509parse_key returned %d\n\n", ret );
goto exit;
}
printf( " ok\n" ); /*
* 1.5. Verify certificate validity with private key
*/
printf( " . Verify the client certificate with private key..." );
fflush( stdout );
/* ret = mpi_cmp_mpi(&rsa.N, &clicert.rsa.N);
* 1.4. Verify certificate validity with private key if( ret != 0 )
*/ {
printf( " . Verify the client certificate with private key..." ); printf( " failed\n ! mpi_cmp_mpi for N returned %d\n\n", ret );
fflush( stdout ); goto exit;
}
ret = mpi_cmp_mpi(&rsa.N, &clicert.rsa.N); ret = mpi_cmp_mpi(&rsa.E, &clicert.rsa.E);
if( ret != 0 ) if( ret != 0 )
{ {
printf( " failed\n ! mpi_cmp_mpi for N returned %d\n\n", ret ); printf( " failed\n ! mpi_cmp_mpi for E returned %d\n\n", ret );
goto exit; goto exit;
} }
ret = mpi_cmp_mpi(&rsa.E, &clicert.rsa.E); ret = rsa_check_privkey( &rsa );
if( ret != 0 ) if( ret != 0 )
{ {
printf( " failed\n ! mpi_cmp_mpi for E returned %d\n\n", ret ); printf( " failed\n ! rsa_check_privkey returned %d\n\n", ret );
goto exit; goto exit;
} }
ret = rsa_check_privkey( &rsa ); printf( " ok\n" );
if( ret != 0 )
{
printf( " failed\n ! rsa_check_privkey returned %d\n\n", ret );
goto exit;
}
printf( " ok\n" ); x509_free( &clicert );
rsa_free( &rsa );
} }
exit: exit:
x509_free( &clicert );
x509_free( &cacert ); x509_free( &cacert );
x509_crl_free( &crl );
#ifdef WIN32 #ifdef WIN32
printf( " + Press Enter to exit this program.\n" ); printf( " + Press Enter to exit this program.\n" );