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-rw-r--r--helpers/defs.h27
-rw-r--r--helpers/local.mk8
-rw-r--r--helpers/mode.c285
-rw-r--r--helpers/mode.h29
4 files changed, 4 insertions, 345 deletions
diff --git a/helpers/defs.h b/helpers/defs.h
deleted file mode 100644
index 24e9776..0000000
--- a/helpers/defs.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2023 Patrick McDermott
- *
- * This file is part of opkg-opk.
- *
- * opkg-opk is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * opkg-opk is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with opkg-opk. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#ifndef OPKG_OPK_DEFS_H_
-#define OPKG_OPK_DEFS_H_
-
-#define OPKG_OPK_OK 0
-#define OPKG_OPK_END 1
-#define OPKG_OPK_ERROR -1
-
-#endif /* OPKG_OPK_DEFS_H_ */
diff --git a/helpers/local.mk b/helpers/local.mk
index 479b716..2d82b25 100644
--- a/helpers/local.mk
+++ b/helpers/local.mk
@@ -1,5 +1,5 @@
helpers_mknod_SOURCES = \
- %reldir%/defs.h \
- %reldir%/mknod.c \
- %reldir%/mode.c \
- %reldir%/mode.h
+ common/defs.h \
+ common/mode.c \
+ common/mode.h \
+ %reldir%/mknod.c
diff --git a/helpers/mode.c b/helpers/mode.c
deleted file mode 100644
index b643a60..0000000
--- a/helpers/mode.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/*
- * Copyright (C) 2023 Patrick McDermott
- *
- * This file is part of opkg-opk.
- *
- * opkg-opk is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * opkg-opk is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with opkg-opk. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <sys/stat.h>
-#include "defs.h"
-#include "mode.h"
-
-static const mode_t OPKG_OPK_HELPER_MODE_U_ = 04700;
-static const mode_t OPKG_OPK_HELPER_MODE_G_ = 02070;
-static const mode_t OPKG_OPK_HELPER_MODE_O_ = 00007;
-static const mode_t OPKG_OPK_HELPER_MODE_A_ = 01777;
-
-struct _opkg_opk_helper_mode {
- mode_t umask;
- mode_t cur_mode;
- const char *sym_mode;
- mode_t *new_mode;
- mode_t who;
- char op;
-};
-
-/*
- * Grammar and operations from POSIX chown utility:
- * https://pubs.opengroup.org/onlinepubs/9699919799/utilities/chmod.html
- */
-
-static void
-_opkg_opk_helper_mode_chmod(struct _opkg_opk_helper_mode *mode, mode_t perm)
-{
- switch (mode->op) {
- case '+':
- *mode->new_mode |= (mode->who & perm);
- break;
- case '-':
- default: /* Should be unreachable */
- *mode->new_mode ^= (mode->who & perm);
- break;
- }
-}
-
-static int
-_opkg_opk_helper_mode_parse_perm(struct _opkg_opk_helper_mode *mode)
-{
- switch (*mode->sym_mode) {
- case 'r':
- if (mode->who == 0000) {
- mode->who = OPKG_OPK_HELPER_MODE_A_^mode->umask;
- }
- _opkg_opk_helper_mode_chmod(mode, 00444);
- break;
- case 'w':
- if (mode->who == 0000) {
- mode->who = OPKG_OPK_HELPER_MODE_A_^mode->umask;
- }
- _opkg_opk_helper_mode_chmod(mode, 00222);
- break;
- case 'x':
- if (mode->who == 0000) {
- mode->who = OPKG_OPK_HELPER_MODE_A_^mode->umask;
- }
- _opkg_opk_helper_mode_chmod(mode, 00111);
- break;
- case 'X':
- if (mode->who == 0000) {
- mode->who = OPKG_OPK_HELPER_MODE_A_^mode->umask;
- }
- if (S_ISDIR(mode->cur_mode)
- || mode->cur_mode & 00111) {
- _opkg_opk_helper_mode_chmod(mode, 00111);
- }
- break;
- case 's':
- if (mode->who == 0000) {
- mode->who = OPKG_OPK_HELPER_MODE_A_^mode->umask;
- }
- _opkg_opk_helper_mode_chmod(mode, 06000);
- break;
- case 't':
- if (S_ISDIR(mode->cur_mode) && (mode->who ==
- OPKG_OPK_HELPER_MODE_A_ ||
- mode->who == 0000)) {
- mode->who = OPKG_OPK_HELPER_MODE_A_;
- _opkg_opk_helper_mode_chmod(mode, 01000);
- }
- break;
- default:
- return OPKG_OPK_ERROR;
- }
- ++mode->sym_mode;
- return OPKG_OPK_OK;
-}
-
-static int
-_opkg_opk_helper_mode_parse_permlist(struct _opkg_opk_helper_mode *mode)
-{
- if (_opkg_opk_helper_mode_parse_perm(mode) != OPKG_OPK_OK) {
- return OPKG_OPK_ERROR;
- }
- _opkg_opk_helper_mode_parse_permlist(mode);
- return OPKG_OPK_OK;
-}
-
-static int
-_opkg_opk_helper_mode_parse_op(struct _opkg_opk_helper_mode *mode)
-{
- switch (*mode->sym_mode) {
- case '+':
- case '-':
- mode->op = *mode->sym_mode;
- break;
- case '=':
- if (mode->who == 0000) {
- *mode->new_mode &= ~07777;
- } else {
- *mode->new_mode &= ~mode->who;
- }
- mode->op = '+';
- break;
- default:
- return OPKG_OPK_ERROR;
- }
- ++mode->sym_mode;
- return OPKG_OPK_OK;
-}
-
-static int
-_opkg_opk_helper_mode_parse_permcopy(struct _opkg_opk_helper_mode *mode)
-{
- mode_t perm;
-
- switch (*mode->sym_mode) {
- case 'u':
- perm = (mode->cur_mode & 0700)
- | (mode->cur_mode & 0700) >> 3
- | (mode->cur_mode & 0700) >> 6;
- break;
- case 'g':
- perm = (mode->cur_mode & 0070) << 3
- | (mode->cur_mode & 0070)
- | (mode->cur_mode & 0070) >> 3;
- break;
- case 'o':
- perm = (mode->cur_mode & 0007) << 6
- | (mode->cur_mode & 0007) << 3
- | (mode->cur_mode & 0007);
- break;
- default:
- return OPKG_OPK_ERROR;
- }
- if (mode->who == 0000) {
- mode->who = OPKG_OPK_HELPER_MODE_A_ ^ mode->umask;
- }
- _opkg_opk_helper_mode_chmod(mode, perm);
- ++mode->sym_mode;
- return OPKG_OPK_OK;
-}
-
-static int
-_opkg_opk_helper_mode_parse_action(struct _opkg_opk_helper_mode *mode)
-{
- if (_opkg_opk_helper_mode_parse_op(mode) != OPKG_OPK_OK) {
- return OPKG_OPK_ERROR;
- }
- if (_opkg_opk_helper_mode_parse_permlist(mode) != OPKG_OPK_OK) {
- _opkg_opk_helper_mode_parse_permcopy(mode);
- }
- return OPKG_OPK_OK;
-}
-
-static int
-_opkg_opk_helper_mode_parse_actionlist(struct _opkg_opk_helper_mode *mode)
-{
- if (_opkg_opk_helper_mode_parse_action(mode) != OPKG_OPK_OK) {
- return OPKG_OPK_ERROR;
- }
- _opkg_opk_helper_mode_parse_actionlist(mode);
- return OPKG_OPK_OK;
-}
-
-static int
-_opkg_opk_helper_mode_parse_who(struct _opkg_opk_helper_mode *mode)
-{
- switch (*mode->sym_mode) {
- case 'u':
- mode->who |= OPKG_OPK_HELPER_MODE_U_;
- break;
- case 'g':
- mode->who |= OPKG_OPK_HELPER_MODE_G_;
- break;
- case 'o':
- mode->who |= OPKG_OPK_HELPER_MODE_O_;
- break;
- case 'a':
- mode->who |= OPKG_OPK_HELPER_MODE_A_;
- break;
- default:
- return OPKG_OPK_ERROR;
- }
- ++mode->sym_mode;
- return OPKG_OPK_OK;
-}
-
-static int
-_opkg_opk_helper_mode_parse_wholist(struct _opkg_opk_helper_mode *mode)
-{
- if (_opkg_opk_helper_mode_parse_who(mode) != OPKG_OPK_OK) {
- return OPKG_OPK_ERROR;
- }
- _opkg_opk_helper_mode_parse_wholist(mode);
- return OPKG_OPK_OK;
-}
-
-static int
-_opkg_opk_helper_mode_parse_clause(struct _opkg_opk_helper_mode *mode)
-{
- mode->who = 0000;
- mode->op = '\0';
- _opkg_opk_helper_mode_parse_wholist(mode);
- if (_opkg_opk_helper_mode_parse_actionlist(mode) != OPKG_OPK_OK) {
- return OPKG_OPK_ERROR;
- }
- return OPKG_OPK_OK;
-}
-
-static int
-_opkg_opk_helper_mode_parse_symbolic_mode(struct _opkg_opk_helper_mode *mode)
-{
- if (_opkg_opk_helper_mode_parse_clause(mode) != OPKG_OPK_OK) {
- return OPKG_OPK_ERROR;
- }
- if (*mode->sym_mode != ',') {
- return OPKG_OPK_OK;
- }
- ++mode->sym_mode;
- if (_opkg_opk_helper_mode_parse_symbolic_mode(mode) != OPKG_OPK_OK) {
- return OPKG_OPK_ERROR;
- }
- return OPKG_OPK_OK;
-}
-
-int
-opkg_opk_helper_mode_parse(mode_t cur_mode, const char *mode_str,
- mode_t *new_mode)
-{
- char *end;
- long int mode_long;
- struct _opkg_opk_helper_mode mode;
-
- mode_long = strtol(mode_str, &end, 8);
- if (*end == '\0') {
- if ((mode_long & 07777) != mode_long) {
- return OPKG_OPK_ERROR;
- }
- *new_mode = (mode_long & 07777);
- return OPKG_OPK_OK;
- }
-
- mode.umask = umask(0);
- umask(mode.umask);
-
- mode.cur_mode = cur_mode;
- mode.sym_mode = mode_str;
- mode.new_mode = new_mode;
-
- *new_mode = cur_mode;
-
- return _opkg_opk_helper_mode_parse_symbolic_mode(&mode);
-}
diff --git a/helpers/mode.h b/helpers/mode.h
deleted file mode 100644
index b332268..0000000
--- a/helpers/mode.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2023 Patrick McDermott
- *
- * This file is part of opkg-opk.
- *
- * opkg-opk is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * opkg-opk is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with opkg-opk. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#ifndef OPKG_OPK_HELPER_MODE_H_
-#define OPKG_OPK_HELPER_MODE_H_
-
-#include <sys/stat.h>
-
-int
-opkg_opk_helper_mode_parse(mode_t cur_mode, const char *mode_str,
- mode_t *new_mode);
-
-#endif /* OPKG_OPK_HELPER_MODE_H_ */
generated by cgit v0.9.1 at 2024-11-30 04:01:26 (EST)