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https://git.in.rschanz.org/ryan77627/guix.git
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4fcff59091
* gnu/packages/dns.scm (knot-resolver): Update to 5.2.0. [source]: Add patch from upstream commit to fix the internal map() function on 32-bit platforms. [native-inputs]: Add texinfo to enable generating the manual in Info format. [inputs]: Add nghttp2:lib to enable the new DNS-over-HTTPS implementation. * gnu/packages/patches/knot-resolver-fix-map-command-on-32-bit.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. Signed-off-by: 宋文武 <iyzsong@member.fsf.org>
146 lines
3.8 KiB
Diff
146 lines
3.8 KiB
Diff
commit e01979620025666633250b3e2d545fe59c629f73
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Author: Vladimír Čunát <vladimir.cunat@nic.cz>
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Date: Fri Nov 13 14:16:32 2020 +0100
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fix map() command on 32-bit platforms; regressed in 5.2.0
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LuaJIT FFI was using opendir() (etc.) variants with 32-bit inodes
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but the C parts was using them as 64-bit inode variants.
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Consequently the `struct dirent` layout didn't match and we were getting
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filenames shifted by eight bytes.
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Now the whole dir-listing lua function is written in C.
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diff --git a/.luacheckrc b/.luacheckrc
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index 0cf0b884..67bc18f6 100644
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--- a/.luacheckrc
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+++ b/.luacheckrc
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@@ -20,6 +20,7 @@ new_read_globals = {
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'user',
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'verbose',
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'worker',
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+ 'kluautil_list_dir',
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-- Sandbox declarations
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'kB',
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'MB',
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diff --git a/NEWS b/NEWS
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index 2eae3082..9d8cde99 100644
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--- a/NEWS
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+++ b/NEWS
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@@ -1,6 +1,10 @@
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Knot Resolver X.Y.X (yyyy-mm-dd)
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================================
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+Bugfixes
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+--------
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+- fix map() command on 32-bit platforms; regressed in 5.2.0 (!1093)
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+
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Knot Resolver 5.2.0 (2020-11-11)
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================================
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diff --git a/daemon/bindings/impl.c b/daemon/bindings/impl.c
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index d10f4525..d9ad0774 100644
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--- a/daemon/bindings/impl.c
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+++ b/daemon/bindings/impl.c
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@@ -2,6 +2,7 @@
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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+#include <dirent.h>
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#include <lua.h>
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#include <lauxlib.h>
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#include <string.h>
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@@ -29,6 +30,29 @@ const char * lua_table_checkindices(lua_State *L, const char *keys[])
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return NULL;
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}
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+/** Return table listing filenames in a given directory (ls -A). */
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+static int kluautil_list_dir(lua_State *L)
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+{
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+ lua_newtable(L); // empty table even on errors
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+
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+ const char *path = lua_tolstring(L, 1, NULL);
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+ if (!path) return 1;
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+ DIR *dir = opendir(path);
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+ if (!dir) return 1;
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+
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+ struct dirent *entry;
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+ int lua_i = 1;
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+ while ((entry = readdir(dir)) != NULL) {
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+ if (strcmp(entry->d_name, ".") && strcmp(entry->d_name, "..")) {
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+ lua_pushstring(L, entry->d_name);
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+ lua_rawseti(L, -2, lua_i++);
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+ }
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+ }
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+
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+ closedir(dir);
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+ return 1;
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+}
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+
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/* Each of these just creates the correspondingly named lua table of functions. */
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int kr_bindings_cache (lua_State *L); /* ./cache.c */
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@@ -44,6 +68,9 @@ void kr_bindings_register(lua_State *L)
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kr_bindings_modules(L);
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kr_bindings_net(L);
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kr_bindings_worker(L);
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+
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+ /* Finally some lua utils *written in C*, not really a binding. */
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+ lua_register(L, "kluautil_list_dir", kluautil_list_dir);
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}
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void lua_error_p(lua_State *L, const char *fmt, ...)
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diff --git a/daemon/lua/kluautil.lua b/daemon/lua/kluautil.lua
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index 57912e7b..e73e952c 100644
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--- a/daemon/lua/kluautil.lua
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+++ b/daemon/lua/kluautil.lua
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@@ -1,6 +1,5 @@
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-- SPDX-License-Identifier: GPL-3.0-or-later
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-local ffi = require('ffi')
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local kluautil = {}
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-- Get length of table
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@@ -28,14 +27,6 @@ function kluautil.kr_table_unpack(tab)
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return unpack(tab, 1, tab.n)
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end
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-ffi.cdef([[
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- typedef struct __dirstream DIR;
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- DIR *opendir(const char *name);
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- struct dirent *readdir(DIR *dirp);
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- int closedir(DIR *dirp);
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- char *strerror(int errnum);
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-]])
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-
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-- Fetch over HTTPS
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function kluautil.kr_https_fetch(url, out_file, ca_file)
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local http_ok, http_request = pcall(require, 'http.request')
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@@ -88,26 +79,6 @@ function kluautil.kr_https_fetch(url, out_file, ca_file)
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return true
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end
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--- List directory
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-function kluautil.list_dir (path)
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- local results = {}
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- local dir = ffi.C.opendir(path)
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- if dir == nil then
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- return results
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- end
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-
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- local entry = ffi.C.readdir(dir)
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- while entry ~= nil do
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- local entry_name = ffi.string(ffi.C.kr_dirent_name(entry))
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- if entry_name ~= '.' and entry_name ~= '..' then
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- table.insert(results, entry_name)
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- end
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- entry = ffi.C.readdir(dir)
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- end
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-
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- ffi.C.closedir(dir)
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-
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- return results
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-end
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+kluautil.list_dir = kluautil_list_dir
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return kluautil
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