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HardenedBSD-pkg
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HardenedBSD Package Manager
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Commits › 11d7345
Add a pkg_checksum_generate_fileat function
Baptiste Daroussin committed 10 years ago
commit 11d73454afeda08a5a938be4af41bd1b7fab1c6c
parent 3f45e50
2 files changed +29 -0
modified libpkg/pkg_checksum.c
@@ -787,3 +787,30 @@ pkg_checksum_generate_file(const char *path, pkg_checksum_type_t type)


	return (cksum);

}
+
+ 
char *
+ 
pkg_checksum_generate_fileat(int rootfd, const char *path,
+ 
    pkg_checksum_type_t type)
+ 
{
+ 
	struct stat st;
+ 
	unsigned char *sum;
+ 
	char *cksum;
+
+ 
	if (fstatat(rootfd, path, &st, AT_SYMLINK_NOFOLLOW) == -1) {
+ 
		pkg_emit_errno("pkg_checksum_generate_file", "lstat");
+ 
		return (NULL);
+ 
	}
+
+ 
	if (S_ISLNK(st.st_mode))
+ 
		sum = pkg_checksum_symlinkat(rootfd, path, NULL, type);
+ 
	else
+ 
		sum = pkg_checksum_fileat(rootfd, path, type);
+
+ 
	if (sum == NULL)
+ 
		return (NULL);
+
+ 
	asprintf(&cksum, "%d%c%s", type, PKG_CKSUM_SEPARATOR, sum);
+ 
	free(sum);
+
+ 
	return (cksum);
+ 
}
modified libpkg/private/pkg.h
@@ -648,6 +648,8 @@ const char* pkg_checksum_type_to_string(pkg_checksum_type_t type);
size_t pkg_checksum_type_size(pkg_checksum_type_t type);

int pkg_checksum_calculate(struct pkg *pkg, struct pkgdb *db);

char *pkg_checksum_generate_file(const char *path, pkg_checksum_type_t type);
+ 
char *pkg_checksum_generate_fileat(int fd, const char *path,
+ 
    pkg_checksum_type_t type);



int pkg_add_upgrade(struct pkgdb *db, const char *path, unsigned flags,

    struct pkg_manifest_key *keys, const char *location,