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-rw-r--r--lib/util/rdsvc.c297
1 files changed, 0 insertions, 297 deletions
diff --git a/lib/util/rdsvc.c b/lib/util/rdsvc.c
deleted file mode 100644
index ca60731..0000000
--- a/lib/util/rdsvc.c
+++ /dev/null
@@ -1,297 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * Copyright (C) 2018 - David Oberhollenzer
- *
- * This program 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.
- *
- * This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
- */
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <ctype.h>
-
-#include "service.h"
-#include "libcfg.h"
-#include "util.h"
-
-static int try_unescape(char *arg, rdline_t *rd)
-{
- if (unescape(arg)) {
- fprintf(stderr, "%s: %zu: malformed string constant\n",
- rd->filename, rd->lineno);
- return -1;
- }
- return 0;
-}
-
-static char *try_strdup(const char *str, rdline_t *rd)
-{
- char *out = strdup(str);
-
- if (out == NULL) {
- fprintf(stderr, "%s: %zu: out of memory\n",
- rd->filename, rd->lineno);
- }
- return out;
-}
-
-static int try_pack_argv(char *str, rdline_t *rd)
-{
- int count = pack_argv(str);
- if (count < 0) {
- fprintf(stderr, "%s: %zu: malformed string constant\n",
- rd->filename, rd->lineno);
- }
- return count;
-}
-
-static int svc_desc(void *user, char *arg, rdline_t *rd, int flags)
-{
- service_t *svc = user;
- (void)flags;
-
- if (try_unescape(arg, rd))
- return -1;
- svc->desc = try_strdup(arg, rd);
- return svc->desc == NULL ? -1 : 0;
-}
-
-static int svc_tty(void *user, char *arg, rdline_t *rd, int flags)
-{
- service_t *svc = user;
-
- if (flags & RDSVC_NO_CTTY)
- return 0;
-
- if (strncmp(arg, "truncate", 8) == 0 && isspace(arg[8])) {
- svc->flags |= SVC_FLAG_TRUNCATE_OUT;
- arg += 8;
- while (isspace(*arg))
- ++arg;
- }
-
- if (try_unescape(arg, rd))
- return -1;
-
- svc->ctty = try_strdup(arg, rd);
- return svc->ctty == NULL ? -1 : 0;
-}
-
-static int svc_exec(void *user, char *arg, rdline_t *rd, int flags)
-{
- service_t *svc = user;
- exec_t *e, *end;
-
- if (flags & RDSVC_NO_EXEC)
- return 0;
-
- e = calloc(1, sizeof(*e) + strlen(arg) + 1);
- if (e == NULL) {
- fprintf(stderr, "%s: %zu: out of memory\n",
- rd->filename, rd->lineno);
- return -1;
- }
-
- strcpy(e->args, arg);
-
- e->argc = try_pack_argv(e->args, rd);
- if (e->argc < 0)
- return -1;
-
- if (svc->exec == NULL) {
- svc->exec = e;
- } else {
- for (end = svc->exec; end->next != NULL; end = end->next)
- ;
- end->next = e;
- }
- return 0;
-}
-
-static int svc_before(void *user, char *arg, rdline_t *rd, int flags)
-{
- service_t *svc = user;
-
- if (flags & RDSVC_NO_DEPS)
- return 0;
-
- if (svc->before != NULL) {
- fprintf(stderr, "%s: %zu: 'before' dependencies respecified\n",
- rd->filename, rd->lineno);
- return -1;
- }
-
- svc->before = try_strdup(arg, rd);
- if (svc->before == NULL)
- return -1;
-
- svc->num_before = try_pack_argv(svc->before, rd);
- return (svc->num_before < 0) ? -1 : 0;
-}
-
-static int svc_after(void *user, char *arg, rdline_t *rd, int flags)
-{
- service_t *svc = user;
-
- if (flags & RDSVC_NO_DEPS)
- return 0;
-
- if (svc->after != NULL) {
- fprintf(stderr, "%s: %zu: 'after' dependencies respecified\n",
- rd->filename, rd->lineno);
- return -1;
- }
-
- svc->after = try_strdup(arg, rd);
- if (svc->after == NULL)
- return -1;
-
- svc->num_after = try_pack_argv(svc->after, rd);
- return (svc->num_after < 0) ? -1 : 0;
-}
-
-static int svc_type(void *user, char *arg, rdline_t *rd, int flags)
-{
- service_t *svc = user;
- int count = try_pack_argv(arg, rd);
- (void)flags;
-
- if (count < 1)
- return -1;
-
- svc->type = svc_type_from_string(arg);
-
- if (svc->type == -1) {
- fprintf(stderr, "%s: %zu: unknown service type '%s'\n",
- rd->filename, rd->lineno, arg);
- return -1;
- }
-
- if (count > 1) {
- arg += strlen(arg) + 1;
-
- switch (svc->type) {
- case SVC_RESPAWN:
- if (strcmp(arg, "limit") != 0)
- goto fail_limit;
- arg += strlen(arg) + 1;
-
- if (count > 3)
- goto fail_args;
- if (!isdigit(*arg))
- goto fail_limit;
- svc->rspwn_limit = atoi(arg);
- break;
- default:
- goto fail_args;
- }
- }
-
- return 0;
-fail_args:
- fprintf(stderr, "%s: %zu: unexpected extra arguments\n",
- rd->filename, rd->lineno);
- return -1;
-fail_limit:
- fprintf(stderr, "%s: %zu: expected 'limit <value>' after 'respawn'\n",
- rd->filename, rd->lineno);
- return -1;
-}
-
-static int svc_target(void *user, char *arg, rdline_t *rd, int flags)
-{
- service_t *svc = user;
- int target;
- (void)flags;
-
- if (try_unescape(arg, rd))
- return -1;
-
- target = svc_target_from_string(arg);
-
- if (target == -1) {
- fprintf(stderr, "%s: %zu: unknown service target '%s'\n",
- rd->filename, rd->lineno, arg);
- return -1;
- }
-
- svc->target = target;
- return 0;
-}
-
-static const cfg_param_t svc_params[] = {
- { "description", 0, svc_desc },
- { "exec", 1, svc_exec },
- { "type", 0, svc_type },
- { "target", 0, svc_target },
- { "tty", 0, svc_tty },
- { "before", 0, svc_before },
- { "after", 0, svc_after },
-};
-
-service_t *rdsvc(int dirfd, const char *filename, int flags)
-{
- const char *arg, *args[1];
- service_t *svc = NULL;
- size_t argc, nlen;
- rdline_t rd;
- int fd;
-
- fd = openat(dirfd, filename, O_RDONLY);
- if (fd < 0) {
- perror(filename);
- return NULL;
- }
-
- arg = strchr(filename, '@');
- if (arg != NULL) {
- args[0] = arg + 1;
- argc = 1;
- } else {
- argc = 0;
- }
-
- nlen = (arg != NULL) ? (size_t)(arg - filename) : strlen(filename);
-
- svc = calloc(1, sizeof(*svc) + nlen + 1);
- if (svc == NULL)
- goto fail_oom;
-
- if (!(flags & RDSVC_NO_FNAME)) {
- svc->fname = strdup(filename);
- if (svc->fname == NULL)
- goto fail_oom;
- }
-
- memcpy(svc->name, filename, nlen);
-
- rdline_init(&rd, fd, filename, argc, args);
-
- if (rdcfg(svc, &rd, svc_params, ARRAY_SIZE(svc_params), flags)) {
- delsvc(svc);
- svc = NULL;
- }
-
- rdline_cleanup(&rd);
- return svc;
-fail_oom:
- fputs("out of memory\n", stderr);
- delsvc(svc);
- close(fd);
- return NULL;
-}