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pk_parse*keyfile: explicitly validate path=NULL

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Don't rely on the check in pk_load_file, that's fragile.
This commit is contained in:
Gilles Peskine 2018-12-19 17:37:02 +01:00
parent d54b97503b
commit 8c71b3ecb3
1 changed files with 2 additions and 0 deletions
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2
library/pkparse.c
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@ -135,6 +135,7 @@ int mbedtls_pk_parse_keyfile( mbedtls_pk_context *ctx,
unsigned char *buf; unsigned char *buf;
PK_VALIDATE_RET( ctx != NULL ); PK_VALIDATE_RET( ctx != NULL );
PK_VALIDATE_RET( path != NULL );
if( ( ret = mbedtls_pk_load_file( path, &buf, &n ) ) != 0 ) if( ( ret = mbedtls_pk_load_file( path, &buf, &n ) ) != 0 )
return( ret ); return( ret );
@ -161,6 +162,7 @@ int mbedtls_pk_parse_public_keyfile( mbedtls_pk_context *ctx, const char *path )
unsigned char *buf; unsigned char *buf;
PK_VALIDATE_RET( ctx != NULL ); PK_VALIDATE_RET( ctx != NULL );
PK_VALIDATE_RET( path != NULL );
if( ( ret = mbedtls_pk_load_file( path, &buf, &n ) ) != 0 ) if( ( ret = mbedtls_pk_load_file( path, &buf, &n ) ) != 0 )
return( ret ); return( ret );