diff options
Diffstat (limited to 'lib/util')
| -rw-r--r-- | lib/util/del_svc_list.c | 35 | ||||
| -rw-r--r-- | lib/util/delsvc.c | 43 | ||||
| -rw-r--r-- | lib/util/opensock.c | 50 | ||||
| -rw-r--r-- | lib/util/rdsvc.c | 297 | ||||
| -rw-r--r-- | lib/util/svc_tsort.c | 95 | ||||
| -rw-r--r-- | lib/util/svcmap.c | 57 | ||||
| -rw-r--r-- | lib/util/svcscan.c | 110 | 
7 files changed, 0 insertions, 687 deletions
| diff --git a/lib/util/del_svc_list.c b/lib/util/del_svc_list.c deleted file mode 100644 index 553a701..0000000 --- a/lib/util/del_svc_list.c +++ /dev/null @@ -1,35 +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 <stdlib.h> - -#include "service.h" - -void del_svc_list(service_list_t *list) -{ -	service_t *svc; -	int i; - -	for (i = 0; i < TGT_MAX; ++i) { -		while (list->targets[i] != NULL) { -			svc = list->targets[i]; -			list->targets[i] = svc->next; - -			delsvc(svc); -		} -	} -} diff --git a/lib/util/delsvc.c b/lib/util/delsvc.c deleted file mode 100644 index 9ab51f1..0000000 --- a/lib/util/delsvc.c +++ /dev/null @@ -1,43 +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 <stdlib.h> - -#include "service.h" - -void delsvc(service_t *svc) -{ -	exec_t *e; - -	if (svc == NULL) -		return; - -	while (svc->exec != NULL) { -		e = svc->exec; -		svc->exec = e->next; - -		free(e); -	} - -	free(svc->before); -	free(svc->after); -	free(svc->fname); -	free(svc->desc); -	free(svc->exec); -	free(svc->ctty); -	free(svc); -} diff --git a/lib/util/opensock.c b/lib/util/opensock.c deleted file mode 100644 index 0c2bf56..0000000 --- a/lib/util/opensock.c +++ /dev/null @@ -1,50 +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/socket.h> -#include <sys/un.h> -#include <unistd.h> -#include <string.h> -#include <stdio.h> - -#include "telinit.h" - -int opensock(void) -{ -	struct sockaddr_un un; -	int fd; - -	fd = socket(AF_UNIX, SOCK_STREAM, 0); -	if (fd < 0) { -		perror("socket"); -		return -1; -	} - -	memset(&un, 0, sizeof(un)); -	un.sun_family = AF_UNIX; - -	strcpy(un.sun_path, INITSOCK); - -	if (connect(fd, (struct sockaddr *)&un, sizeof(un))) { -		perror("connect: " INITSOCK); -		close(fd); -		return -1; -	} - -	return fd; -} 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; -} diff --git a/lib/util/svc_tsort.c b/lib/util/svc_tsort.c deleted file mode 100644 index 5f83fa0..0000000 --- a/lib/util/svc_tsort.c +++ /dev/null @@ -1,95 +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 <stdbool.h> -#include <stddef.h> -#include <string.h> -#include <errno.h> - -#include "service.h" - -static bool has_dependencies(service_t *list, service_t *svc) -{ -	const char *ptr; -	int i; - -	while (list != NULL) { -		for (ptr = svc->after, i = 0; i < svc->num_after; ++i) { -			if (!strcmp(ptr, list->name)) -				return true; -			ptr += strlen(ptr) + 1; -		} - -		for (ptr = list->before, i = 0; i < list->num_before; ++i) { -			if (!strcmp(ptr, svc->name)) -				return true; -			ptr += strlen(ptr) + 1; -		} - -		list = list->next; -	} - -	return false; -} - -service_t *svc_tsort(service_t *list) -{ -	service_t *nl = NULL, *end = NULL; -	service_t *svc, *prev; - -	while (list != NULL) { -		/* remove first service without dependencies */ -		prev = NULL; -		svc = list; - -		while (svc != NULL) { -			if (has_dependencies(list, svc)) { -				prev = svc; -				svc = svc->next; -			} else { -				if (prev != NULL) { -					prev->next = svc->next; -				} else { -					list = svc->next; -				} -				svc->next = NULL; -				break; -			} -		} - -		/* cycle! */ -		if (svc == NULL) { -			if (end == NULL) { -				nl = list; -			} else { -				end->next = list; -			} -			errno = ELOOP; -			break; -		} - -		/* append to new list */ -		if (end == NULL) { -			nl = end = svc; -		} else { -			end->next = svc; -			end = svc; -		} -	} - -	return nl; -} diff --git a/lib/util/svcmap.c b/lib/util/svcmap.c deleted file mode 100644 index 41fb950..0000000 --- a/lib/util/svcmap.c +++ /dev/null @@ -1,57 +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 "service.h" -#include "util.h" - -static const enum_map_t type_map[] = { -	{ "once", SVC_ONCE }, -	{ "wait", SVC_WAIT }, -	{ "respawn", SVC_RESPAWN }, -	{ NULL, 0 }, -}; - -static const enum_map_t target_map[] = { -	{ "boot", TGT_BOOT }, -	{ "shutdown", TGT_SHUTDOWN }, -	{ "reboot", TGT_REBOOT }, -	{ NULL, 0 }, -}; - -const char *svc_type_to_string(int type) -{ -	return enum_to_name(type_map, type); -} - -int svc_type_from_string(const char *type) -{ -	const enum_map_t *ent = enum_by_name(type_map, type); - -	return ent == NULL ? -1 : ent->value; -} - -const char *svc_target_to_string(int target) -{ -	return enum_to_name(target_map, target); -} - -int svc_target_from_string(const char *target) -{ -	const enum_map_t *ent = enum_by_name(target_map, target); - -	return ent == NULL ? -1 : ent->value; -} diff --git a/lib/util/svcscan.c b/lib/util/svcscan.c deleted file mode 100644 index f4c7ef1..0000000 --- a/lib/util/svcscan.c +++ /dev/null @@ -1,110 +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 <stddef.h> -#include <dirent.h> -#include <string.h> -#include <errno.h> -#include <stdio.h> -#include <fcntl.h> -#include <ctype.h> - -#include "service.h" - -int svcscan(const char *directory, service_list_t *list, int flags) -{ -	int i, dfd, type, ret = 0; -	struct dirent *ent; -	const char *ptr; -	service_t *svc; -	struct stat sb; -	DIR *dir; - -	for (i = 0; i < TGT_MAX; ++i) -		list->targets[i] = NULL; - -	dir = opendir(directory); -	if (dir == NULL) { -		perror(directory); -		return -1; -	} - -	dfd = dirfd(dir); -	if (dfd < 0) { -		perror(directory); -		closedir(dir); -		return -1; -	} - -	for (;;) { -		errno = 0; -		ent = readdir(dir); - -		if (ent == NULL) { -			if (errno != 0) { -				perror(directory); -				ret = -1; -			} -			break; -		} - -		for (ptr = ent->d_name; isalnum(*ptr) || *ptr == '_'; ++ptr) -			; - -		if (*ptr != '\0' && *ptr != '@') -			continue; - -		if (fstatat(dfd, ent->d_name, &sb, AT_SYMLINK_NOFOLLOW)) { -			fprintf(stderr, "stat %s/%s: %s\n", -				directory, ent->d_name, strerror(errno)); -			ret = -1; -			continue; -		} - -		type = (sb.st_mode & S_IFMT); - -		if (type != S_IFREG && type != S_IFLNK) -			continue; - -		svc = rdsvc(dfd, ent->d_name, flags); -		if (svc == NULL) { -			ret = -1; -			continue; -		} - -		svc->next = list->targets[svc->target]; -		list->targets[svc->target] = svc; -	} - -	for (i = 0; i < TGT_MAX; ++i) { -		if (list->targets[i] == NULL) -			continue; - -		errno = 0; -		list->targets[i] = svc_tsort(list->targets[i]); - -		if (errno != 0) { -			fprintf(stderr, "sorting services read from %s: %s\n", -				directory, strerror(errno)); -		} -	} - -	closedir(dir); -	return ret; -} | 
