summaryrefslogtreecommitdiff
path: root/servicecmd/dumpscript.c
diff options
context:
space:
mode:
authorDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-04-12 05:30:12 +0200
committerDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-04-12 10:28:40 +0200
commit6cf0a254cd9e4892a941bb5ad6f8d9ed317b1617 (patch)
treead9f1b409c5a465986078ee16b102f6fa6cfbdb3 /servicecmd/dumpscript.c
parente148e873e05e4ebe4d7a90cdbe8cdd72618eb7ac (diff)
Build system and directory structure cleanup
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
Diffstat (limited to 'servicecmd/dumpscript.c')
-rw-r--r--servicecmd/dumpscript.c182
1 files changed, 0 insertions, 182 deletions
diff --git a/servicecmd/dumpscript.c b/servicecmd/dumpscript.c
deleted file mode 100644
index 880631f..0000000
--- a/servicecmd/dumpscript.c
+++ /dev/null
@@ -1,182 +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 <fcntl.h>
-#include <errno.h>
-
-#include "servicecmd.h"
-#include "service.h"
-
-static service_t *try_load(const char *directory, const char *filename)
-{
- int dirfd, type;
- struct stat sb;
- service_t *svc;
-
- dirfd = open(directory, O_RDONLY | O_DIRECTORY);
-
- if (dirfd < 0) {
- perror(directory);
- return NULL;
- }
-
- if (fstatat(dirfd, filename, &sb, AT_SYMLINK_NOFOLLOW)) {
- fprintf(stderr, "stat %s/%s: %s\n",
- directory, filename, strerror(errno));
- close(dirfd);
- return NULL;
- }
-
- type = (sb.st_mode & S_IFMT);
-
- if (type != S_IFREG && type != S_IFLNK)
- return NULL;
-
- svc = rdsvc(dirfd, filename);
- close(dirfd);
- return svc;
-}
-
-enum {
- NEED_QUOTES = 0x01,
- NEED_ESCAPE = 0x02,
-};
-
-static int check_str(const char *str)
-{
- int ret = 0;
-
- while (*str != '\0') {
- if (isspace(*str))
- ret |= NEED_QUOTES;
-
- if (!isascii(*str) || !isprint(*str))
- ret |= NEED_ESCAPE | NEED_QUOTES;
-
- if (*str == '\\' || *str == '"' || *str == '\n')
- ret |= NEED_ESCAPE | NEED_QUOTES;
-
- ++str;
- }
-
- return ret;
-}
-
-static void print_str(const char *str)
-{
- int flags = check_str(str);
-
- if (flags & NEED_QUOTES)
- fputc('"', stdout);
-
- if (flags & NEED_ESCAPE) {
- while (*str != '\0') {
- switch (*str) {
- case '\a': fputs("\\a", stdout); break;
- case '\b': fputs("\\b", stdout); break;
- case '\f': fputs("\\f", stdout); break;
- case '\r': fputs("\\r", stdout); break;
- case '\t': fputs("\\t", stdout); break;
- case '\n': fputs("\\n", stdout); break;
- case '\\':
- case '"':
- fprintf(stdout, "\\%c", *str);
- break;
- default:
- if (!isascii(*str) || !isprint(*str)) {
- fprintf(stdout, "\\x%02X", *str);
- } else {
- fputc(*str, stdout);
- }
- break;
- }
- ++str;
- }
- } else {
- fputs(str, stdout);
- }
-
- if (flags & NEED_QUOTES)
- fputc('"', stdout);
-}
-
-static int cmd_dumpscript(int argc, char **argv)
-{
- char *filename, *ptr;
- service_t *svc;
- size_t len;
- exec_t *e;
- int i;
-
- if (check_arguments(argv[0], argc, 2, 3))
- return EXIT_FAILURE;
-
- for (len = 1, i = 1; i < argc; ++i)
- len += strlen(argv[i]) + 1;
-
- filename = alloca(len);
- filename[0] = '\0';
-
- for (i = 1; i < argc; ++i) {
- if (i > 1)
- strcat(filename, "@");
- strcat(filename, argv[i]);
- }
-
- svc = try_load(SVCDIR, filename);
-
- if (svc == NULL) {
- fprintf(stderr, "Could not load service '%s'\n", filename);
- return EXIT_FAILURE;
- }
-
- fprintf(stdout, "#\n# commands executed for serice '%s'\n#\n",
- filename);
-
- for (e = svc->exec; e != NULL; e = e->next) {
- ptr = e->args;
-
- for (i = 0; i < e->argc; ++i) {
- if (i)
- fputc(' ', stdout);
-
- print_str(ptr);
- ptr += strlen(ptr) + 1;
- }
-
- putchar('\n');
- }
-
- delsvc(svc);
- return EXIT_SUCCESS;
-}
-
-static command_t dumpscript = {
- .cmd = "dumpscript",
- .usage = "<name> [arguments]",
- .s_desc = "print commands executed for a service",
- .l_desc = "This parses a service file from " SVCDIR " and "
- "produces a pseudo-shell-script containing the "
- "exact commands after argument expansion that init "
- "runs when starting the service.",
- .run_cmd = cmd_dumpscript,
-};
-
-REGISTER_COMMAND(dumpscript)