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[image] Allow "imgtrust" to automatically download cross-signed certificates 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/6/head
Michael Brown 2012-05-22 00:45:31 +01:00
parent 89a354d553
commit 071171e807
1 changed files with 13 additions and 0 deletions
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13
src/usr/imgtrust.c
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@ -25,6 +25,8 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <ipxe/uaccess.h> #include <ipxe/uaccess.h>
#include <ipxe/image.h> #include <ipxe/image.h>
#include <ipxe/cms.h> #include <ipxe/cms.h>
#include <ipxe/validator.h>
#include <ipxe/monojob.h>
#include <usr/imgtrust.h> #include <usr/imgtrust.h>
/** @file /** @file
@ -46,6 +48,7 @@ int imgverify ( struct image *image, struct image *signature,
size_t len; size_t len;
void *data; void *data;
struct cms_signature *sig; struct cms_signature *sig;
struct cms_signer_info *info;
time_t now; time_t now;
int rc; int rc;
@ -69,6 +72,14 @@ int imgverify ( struct image *image, struct image *signature,
free ( data ); free ( data );
data = NULL; data = NULL;
/* Complete all certificate chains */
list_for_each_entry ( info, &sig->info, list ) {
if ( ( rc = create_validator ( &monojob, info->chain ) ) != 0 )
goto err_create_validator;
if ( ( rc = monojob_wait ( NULL ) ) != 0 )
goto err_validator_wait;
}
/* Use signature to verify image */ /* Use signature to verify image */
now = time ( NULL ); now = time ( NULL );
if ( ( rc = cms_verify ( sig, image->data, image->len, if ( ( rc = cms_verify ( sig, image->data, image->len,
@ -86,6 +97,8 @@ int imgverify ( struct image *image, struct image *signature,
return 0; return 0;
err_verify: err_verify:
err_validator_wait:
err_create_validator:
cms_put ( sig ); cms_put ( sig );
err_parse: err_parse:
free ( data ); free ( data );