diff options
Diffstat (limited to 'src/debug-generator/debug-generator.c')
| -rw-r--r-- | src/debug-generator/debug-generator.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/src/debug-generator/debug-generator.c b/src/debug-generator/debug-generator.c deleted file mode 100644 index 7f11ec724d..0000000000 --- a/src/debug-generator/debug-generator.c +++ /dev/null @@ -1,202 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2014 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include "alloc-util.h" -#include "mkdir.h" -#include "parse-util.h" -#include "proc-cmdline.h" -#include "special.h" -#include "string-util.h" -#include "strv.h" -#include "unit-name.h" -#include "util.h" - -static char *arg_default_unit = NULL; -static const char *arg_dest = "/tmp"; -static char **arg_mask = NULL; -static char **arg_wants = NULL; -static bool arg_debug_shell = false; - -static int parse_proc_cmdline_item(const char *key, const char *value, void *data) { - int r; - - assert(key); - - if (streq(key, "systemd.mask")) { - - if (!value) - log_error("Missing argument for systemd.mask= kernel command line parameter."); - else { - char *n; - - r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n); - if (r < 0) - return log_error_errno(r, "Failed to glob unit name: %m"); - - r = strv_consume(&arg_mask, n); - if (r < 0) - return log_oom(); - } - - } else if (streq(key, "systemd.wants")) { - - if (!value) - log_error("Missing argument for systemd.want= kernel command line parameter."); - else { - char *n; - - r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n); - if (r < 0) - return log_error_errno(r, "Failed to glob unit name: %m"); - - r = strv_consume(&arg_wants, n); - if (r < 0) - return log_oom(); - } - - } else if (streq(key, "systemd.debug-shell")) { - - if (value) { - r = parse_boolean(value); - if (r < 0) - log_error("Failed to parse systemd.debug-shell= argument '%s', ignoring.", value); - else - arg_debug_shell = r; - } else - arg_debug_shell = true; - } else if (streq(key, "systemd.unit")) { - - if (!value) - log_error("Missing argument for systemd.unit= kernel command line parameter."); - else { - r = free_and_strdup(&arg_default_unit, value); - if (r < 0) - return log_error_errno(r, "Failed to set default unit %s: %m", value); - } - } else if (!value) { - const char *target; - - target = runlevel_to_target(key); - if (target) { - r = free_and_strdup(&arg_default_unit, target); - if (r < 0) - return log_error_errno(r, "Failed to set default unit %s: %m", target); - } - } - - return 0; -} - -static int generate_mask_symlinks(void) { - char **u; - int r = 0; - - if (strv_isempty(arg_mask)) - return 0; - - STRV_FOREACH(u, arg_mask) { - _cleanup_free_ char *p = NULL; - - p = strjoin(arg_dest, "/", *u, NULL); - if (!p) - return log_oom(); - - if (symlink("/dev/null", p) < 0) - r = log_error_errno(errno, - "Failed to create mask symlink %s: %m", - p); - } - - return r; -} - -static int generate_wants_symlinks(void) { - char **u; - int r = 0; - - if (strv_isempty(arg_wants)) - return 0; - - STRV_FOREACH(u, arg_wants) { - _cleanup_free_ char *p = NULL, *f = NULL; - - p = strjoin(arg_dest, "/", arg_default_unit, ".wants/", *u, NULL); - if (!p) - return log_oom(); - - f = strappend(SYSTEM_DATA_UNIT_PATH "/", *u); - if (!f) - return log_oom(); - - mkdir_parents_label(p, 0755); - - if (symlink(f, p) < 0) - r = log_error_errno(errno, - "Failed to create wants symlink %s: %m", - p); - } - - return r; -} - -int main(int argc, char *argv[]) { - int r, q; - - if (argc > 1 && argc != 4) { - log_error("This program takes three or no arguments."); - return EXIT_FAILURE; - } - - if (argc > 1) - arg_dest = argv[2]; - - log_set_target(LOG_TARGET_SAFE); - log_parse_environment(); - log_open(); - - umask(0022); - - r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET); - if (r < 0) { - log_error_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET); - goto finish; - } - - r = parse_proc_cmdline(parse_proc_cmdline_item, NULL, false); - if (r < 0) - log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m"); - - if (arg_debug_shell) { - r = strv_extend(&arg_wants, "debug-shell.service"); - if (r < 0) { - r = log_oom(); - goto finish; - } - } - - r = generate_mask_symlinks(); - - q = generate_wants_symlinks(); - if (q < 0) - r = q; - -finish: - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; - -} |