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HardenedBSD Package Manager
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Git
Commits › 2846452
Use offsets for primitive types in manifests parser.
Vsevolod Stakhov committed 10 years ago
commit 28464524f4a84470a58034865a98d8b55adf5f73
parent ff21486
1 file changed +157 -114
modified libpkg/pkg_manifest.c
@@ -28,6 +28,7 @@


#include <sys/types.h>

#include <sys/sbuf.h>
+ 
#include <stddef.h>



#include <assert.h>

#include <ctype.h>
@@ -59,11 +60,11 @@
#define PKG_PROVIDES		-18

#define PKG_REQUIRES		-19
- 
static int pkg_string(struct pkg *, const ucl_object_t *, int);
- 
static int pkg_obj(struct pkg *, const ucl_object_t *, int);
- 
static int pkg_array(struct pkg *, const ucl_object_t *, int);
- 
static int pkg_int(struct pkg *, const ucl_object_t *, int);
- 
static int pkg_message(struct pkg *, const ucl_object_t *, int);
+ 
static int pkg_string(struct pkg *, const ucl_object_t *, uint32_t);
+ 
static int pkg_obj(struct pkg *, const ucl_object_t *, uint32_t);
+ 
static int pkg_array(struct pkg *, const ucl_object_t *, uint32_t);
+ 
static int pkg_int(struct pkg *, const ucl_object_t *, uint32_t);
+ 
static int pkg_message(struct pkg *, const ucl_object_t *, uint32_t);

static int pkg_set_deps_from_object(struct pkg *, const ucl_object_t *);

static int pkg_set_files_from_object(struct pkg *, const ucl_object_t *);

static int pkg_set_dirs_from_object(struct pkg *, const ucl_object_t *);
@@ -72,54 +73,131 @@ static int pkg_set_dirs_from_object(struct pkg *, const ucl_object_t *);
 * Keep sorted

 */

#define TYPE_SHIFT(x) (1 << (x))
+ 
#define STRING_FLAG_LICENSE (1U << 31)
+ 
#define STRING_FLAG_URLDECODE (1U << 30)
+ 
#define STRING_FLAG_MASK ~(STRING_FLAG_LICENSE|STRING_FLAG_URLDECODE)
+ 


static struct pkg_manifest_key {

	const char *key;
- 
	int type;
+ 
	uint32_t type;

	uint16_t valid_type;
- 
	int (*parse_data)(struct pkg *, const ucl_object_t *, int);
+ 
	int (*parse_data)(struct pkg *, const ucl_object_t *, uint32_t);

	UT_hash_handle hh;

} manifest_keys[] = {
- 
	{ "annotations",         PKG_ANNOTATIONS,         TYPE_SHIFT(UCL_OBJECT), pkg_obj},
- 
	{ "abi",                 PKG_ABI,                 TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "arch",                PKG_ARCH,                TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "categories",          PKG_CATEGORIES,          TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "comment",             PKG_COMMENT,             TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "conflicts",           PKG_CONFLICTS,           TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "config",              PKG_CONFIG_FILES,        TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "dep_formula",         PKG_DEP_FORMULA,         TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "deps",                PKG_DEPS,                TYPE_SHIFT(UCL_OBJECT), pkg_obj},
- 
	{ "desc",                PKG_DESC,                TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "directories",         PKG_DIRECTORIES,         TYPE_SHIFT(UCL_OBJECT), pkg_obj},
- 
	{ "dirs",                PKG_DIRS,                TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "files",               PKG_FILES,               TYPE_SHIFT(UCL_OBJECT), pkg_obj},
- 
	{ "flatsize",            PKG_FLATSIZE,            TYPE_SHIFT(UCL_INT),    pkg_int},
- 
	{ "groups",              PKG_GROUPS,              TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "licenselogic",        PKG_LICENSE_LOGIC,       TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "licenses",            PKG_LICENSES,            TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "maintainer",          PKG_MAINTAINER,          TYPE_SHIFT(UCL_STRING), pkg_string},
+ 
	{ "annotations",         PKG_ANNOTATIONS,
+ 
			TYPE_SHIFT(UCL_OBJECT), pkg_obj},
+
+ 
	{ "abi",                 offsetof(struct pkg, abi),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "arch",                offsetof(struct pkg, arch),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "categories",          PKG_CATEGORIES,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "comment",             offsetof(struct pkg, comment),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "conflicts",           PKG_CONFLICTS,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "config",              PKG_CONFIG_FILES,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "dep_formula",         offsetof(struct pkg, dep_formula),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "deps",                PKG_DEPS,
+ 
			TYPE_SHIFT(UCL_OBJECT), pkg_obj},
+
+ 
	{ "desc",                offsetof(struct pkg, desc) | STRING_FLAG_URLDECODE,
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "directories",         PKG_DIRECTORIES,
+ 
			TYPE_SHIFT(UCL_OBJECT), pkg_obj},
+
+ 
	{ "dirs",                PKG_DIRS,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "files",               PKG_FILES,
+ 
			TYPE_SHIFT(UCL_OBJECT), pkg_obj},
+
+ 
	{ "flatsize",            offsetof(struct pkg, flatsize),
+ 
			TYPE_SHIFT(UCL_INT),    pkg_int},
+
+ 
	{ "groups",              PKG_GROUPS,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "licenselogic",        offsetof(struct pkg, licenselogic) | STRING_FLAG_LICENSE,
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "licenses",            PKG_LICENSES,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "maintainer",          offsetof(struct pkg, maintainer),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+ 


	{ "message",             PKG_MESSAGE,

			TYPE_SHIFT(UCL_STRING)|TYPE_SHIFT(UCL_OBJECT), pkg_message},
- 
	{ "name",                PKG_NAME,                TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "name",                PKG_NAME,                TYPE_SHIFT(UCL_INT),    pkg_string},
- 
	{ "options",             PKG_OPTIONS,             TYPE_SHIFT(UCL_OBJECT), pkg_obj},
- 
	{ "option_defaults",     PKG_OPTION_DEFAULTS,     TYPE_SHIFT(UCL_OBJECT), pkg_obj},
- 
	{ "option_descriptions", PKG_OPTION_DESCRIPTIONS, TYPE_SHIFT(UCL_OBJECT), pkg_obj},
- 
	{ "origin",              PKG_ORIGIN,              TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "path",                PKG_REPOPATH,            TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "repopath",            PKG_REPOPATH,            TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "pkgsize",             PKG_PKGSIZE,             TYPE_SHIFT(UCL_INT),    pkg_int},
- 
	{ "prefix",              PKG_PREFIX,              TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "provides",            PKG_PROVIDES,            TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "requires",            PKG_REQUIRES,            TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "scripts",             PKG_SCRIPTS,             TYPE_SHIFT(UCL_OBJECT), pkg_obj},
- 
	{ "shlibs",              PKG_SHLIBS_REQUIRED,     TYPE_SHIFT(UCL_ARRAY),  pkg_array}, /* Backwards compat with 1.0.x packages */
- 
	{ "shlibs_provided",     PKG_SHLIBS_PROVIDED,     TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "shlibs_required",     PKG_SHLIBS_REQUIRED,     TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "sum",                 PKG_CKSUM,               TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "users",               PKG_USERS,               TYPE_SHIFT(UCL_ARRAY),  pkg_array},
- 
	{ "version",             PKG_VERSION,             TYPE_SHIFT(UCL_STRING), pkg_string},
- 
	{ "version",             PKG_VERSION,             TYPE_SHIFT(UCL_INT),    pkg_string},
- 
	{ "www",                 PKG_WWW,                 TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "name",                offsetof(struct pkg, name),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "options",             PKG_OPTIONS,
+ 
			TYPE_SHIFT(UCL_OBJECT), pkg_obj},
+
+ 
	{ "option_defaults",     PKG_OPTION_DEFAULTS,
+ 
			TYPE_SHIFT(UCL_OBJECT), pkg_obj},
+
+ 
	{ "option_descriptions", PKG_OPTION_DESCRIPTIONS,
+ 
			TYPE_SHIFT(UCL_OBJECT), pkg_obj},
+
+ 
	{ "origin",              offsetof(struct pkg, origin),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "path",                offsetof(struct pkg, repopath),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "repopath",            offsetof(struct pkg, repopath),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "pkgsize",             offsetof(struct pkg, pkgsize),
+ 
			TYPE_SHIFT(UCL_INT),    pkg_int},
+
+ 
	{ "prefix",              offsetof(struct pkg, prefix),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "provides",            PKG_PROVIDES,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "requires",            PKG_REQUIRES,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "scripts",             PKG_SCRIPTS,
+ 
			TYPE_SHIFT(UCL_OBJECT), pkg_obj},
+
+ 
	{ "shlibs",              PKG_SHLIBS_REQUIRED,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array}, /* Backwards compat with 1.0.x packages */
+
+ 
	{ "shlibs_provided",     PKG_SHLIBS_PROVIDED,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "shlibs_required",     PKG_SHLIBS_REQUIRED,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "sum",                 offsetof(struct pkg, sum),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "users",               PKG_USERS,
+ 
			TYPE_SHIFT(UCL_ARRAY),  pkg_array},
+
+ 
	{ "version",             offsetof(struct pkg, version),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+
+ 
	{ "www",                 offsetof(struct pkg, www),
+ 
			TYPE_SHIFT(UCL_STRING), pkg_string},
+ 


	{ NULL, -99, -99, NULL}

};
@@ -248,97 +326,62 @@ script_type_str(const char *str)
}



static int
- 
pkg_string(struct pkg *pkg, const ucl_object_t *obj, int attr)
+ 
pkg_string(struct pkg *pkg, const ucl_object_t *obj, uint32_t offset)

{
- 
	int ret = EPKG_OK;

	const char *str;
+ 
	char **dest;

	struct sbuf *buf = NULL;



	str = ucl_object_tostring_forced(obj);
- 
	switch (attr)
- 
	{
- 
	case PKG_LICENSE_LOGIC:
+ 
	if (offset & STRING_FLAG_LICENSE) {

		if (!strcmp(str, "single"))

			pkg->licenselogic = LICENSE_SINGLE;

		else if (!strcmp(str, "or") ||
- 
		         !strcmp(str, "dual"))
+ 
				!strcmp(str, "dual"))

			pkg->licenselogic = LICENSE_OR;

		else if (!strcmp(str, "and") ||
- 
		         !strcmp(str, "multi"))
+ 
				!strcmp(str, "multi"))

			pkg->licenselogic = LICENSE_AND;

		else {

			pkg_emit_error("Unknown license logic: %s", str);
- 
			ret = EPKG_FATAL;
+ 
			return (EPKG_FATAL);
+ 
		}
+ 
	}
+ 
	else {
+
+ 
		if (offset & STRING_FLAG_URLDECODE) {
+ 
			urldecode(str, &buf);
+ 
			sbuf_finish(buf);
+ 
			str = sbuf_data(buf);
+ 
		}
+
+ 
		/* Remove flags from the offset */
+ 
		offset &= STRING_FLAG_MASK;
+ 
		dest = (char **) ((unsigned char *)pkg + offset);
+ 
		*dest = strdup(str);
+
+ 
		if (buf) {
+ 
			sbuf_delete(buf);

		}
- 
		break;
- 
	case PKG_ABI:
- 
		pkg->abi = strdup(str);
- 
		break;
- 
	case PKG_ARCH:
- 
		pkg->arch = strdup(str);
- 
		break;
- 
	case PKG_COMMENT:
- 
		pkg->comment = strdup(str);
- 
		break;
- 
	case PKG_DESC:
- 
		urldecode(str, &buf);
- 
		sbuf_finish(buf);
- 
		pkg->desc = strdup(sbuf_data(buf));
- 
		sbuf_delete(buf);
- 
		break;
- 
	case PKG_MAINTAINER:
- 
		pkg->maintainer = strdup(str);
- 
		break;
- 
	case PKG_MESSAGE:
- 
		/* Should no longer be handled here */
- 
		assert(0);
- 
		break;
- 
	case PKG_NAME:
- 
		pkg->name = strdup(str);
- 
		break;
- 
	case PKG_ORIGIN:
- 
		pkg->origin = strdup(str);
- 
		break;
- 
	case PKG_PREFIX:
- 
		pkg->prefix = strdup(str);
- 
		break;
- 
	case PKG_REPOPATH:
- 
		pkg->repopath = strdup(str);
- 
		break;
- 
	case PKG_CKSUM:
- 
		pkg->sum = strdup(str);
- 
		break;
- 
	case PKG_VERSION:
- 
		pkg->version = strdup(str);
- 
		break;
- 
	case PKG_WWW:
- 
		pkg->www = strdup(str);
- 
		break;
- 
	case PKG_DEP_FORMULA:
- 
		pkg->dep_formula = strdup(str);
- 
		break;

	}
- 
	return (ret);
+ 
	return (EPKG_OK);

}



static int
- 
pkg_int(struct pkg *pkg, const ucl_object_t *obj, int attr)
+ 
pkg_int(struct pkg *pkg, const ucl_object_t *obj, uint32_t offset)

{
- 
	switch (attr) {
- 
	case PKG_FLATSIZE:
- 
		pkg->flatsize = ucl_object_toint(obj);
- 
		break;
- 
	case PKG_PKGSIZE:
- 
		pkg->pkgsize = ucl_object_toint(obj);
- 
		break;
- 
	}
+ 
	int64_t *dest;
+
+ 
	dest = (int64_t *)((unsigned char *)pkg + offset);
+ 
	*dest = ucl_object_toint(obj);
+ 


	return (EPKG_OK);

}



static int
- 
pkg_array(struct pkg *pkg, const ucl_object_t *obj, int attr)
+ 
pkg_array(struct pkg *pkg, const ucl_object_t *obj, uint32_t attr)

{

	const ucl_object_t *cur;

	ucl_object_iter_t it = NULL;
@@ -427,7 +470,7 @@ pkg_array(struct pkg *pkg, const ucl_object_t *obj, int attr)
}



static int
- 
pkg_obj(struct pkg *pkg, const ucl_object_t *obj, int attr)
+ 
pkg_obj(struct pkg *pkg, const ucl_object_t *obj, uint32_t attr)

{

	struct sbuf *tmp = NULL;

	const ucl_object_t *cur;
@@ -539,7 +582,7 @@ pkg_obj(struct pkg *pkg, const ucl_object_t *obj, int attr)
}



static int
- 
pkg_message(struct pkg *pkg, const ucl_object_t *obj, int attr)
+ 
pkg_message(struct pkg *pkg, const ucl_object_t *obj, uint32_t attr)

{

	return pkg_message_from_ucl(pkg, obj);

}