db, pkg: fix package verification during installation

some hooks to package verification code were missing causing the
verification to not be done (causing pre-script to be not run).
fixes #124, #126.

2 files changed, 11 insertions, 4 deletions

diff --git a/src/database.c b/src/database.c
index 425fb46..0f40ca5 100644
--- a/src/database.c
+++ b/src/database.c
@@ -1431,6 +1431,9 @@ static int apk_db_install_archive_entry(void *_ctx,
 	const char *p;
 	int r = 0, type = APK_SCRIPT_INVALID;
 
+	if (apk_sign_ctx_process_file(&ctx->sctx, ae, is) == 0)
+		return 0;
+
 	/* Package metainfo and script processing */
 	if (ae->name[0] == '.') {
 		/* APK 2.0 format */
diff --git a/src/package.c b/src/package.c
index 43018d7..3123834 100644
--- a/src/package.c
+++ b/src/package.c
@@ -346,15 +346,16 @@ void apk_sign_ctx_init(struct apk_sign_ctx *ctx, int action,
 	}
 	EVP_MD_CTX_init(&ctx->mdctx);
 	EVP_DigestInit_ex(&ctx->mdctx, ctx->md, NULL);
+	EVP_MD_CTX_set_flags(&ctx->mdctx, EVP_MD_CTX_FLAG_ONESHOT);
 }
 
-
 void apk_sign_ctx_free(struct apk_sign_ctx *ctx)
 {
 	if (ctx->signature.data.ptr != NULL)
 		free(ctx->signature.data.ptr);
 	if (ctx->signature.pkey != NULL)
 		EVP_PKEY_free(ctx->signature.pkey);
+	EVP_MD_CTX_cleanup(&ctx->mdctx);
 }
 
 int apk_sign_ctx_process_file(struct apk_sign_ctx *ctx,
@@ -468,15 +469,19 @@ int apk_sign_ctx_mpart_cb(void *ctx, int part, apk_blob_t data)
 		goto update_digest;
 
 	/* Still in signature blocks? */
-	if (!sctx->control_started)
+	if (!sctx->control_started) {
+		if (part == APK_MPART_END)
+			return -EKEYREJECTED;
 		goto reset_digest;
+	}
 
 	/* Grab state and mark all remaining block as data */
 	end_of_control = (sctx->data_started == 0);
 	sctx->data_started = 1;
 
 	/* End of control-block and control does not have data checksum? */
-	if (sctx->has_data_checksum == 0 && end_of_control)
+	if (sctx->has_data_checksum == 0 && end_of_control &&
+	    part != APK_MPART_END)
 		goto update_digest;
 
 	/* Drool in the remaining of the digest block now, we will finish
@@ -542,7 +547,6 @@ int apk_sign_ctx_mpart_cb(void *ctx, int part, apk_blob_t data)
 		sctx->identity.type = EVP_MD_CTX_size(&sctx->mdctx);
 		EVP_DigestFinal_ex(&sctx->mdctx, sctx->identity.data, NULL);
 	}
-
 reset_digest:
 	EVP_DigestInit_ex(&sctx->mdctx, sctx->md, NULL);
 	EVP_MD_CTX_set_flags(&sctx->mdctx, EVP_MD_CTX_FLAG_ONESHOT);