diff options
Diffstat (limited to 'src/shared/install-printf.c')
| -rw-r--r-- | src/shared/install-printf.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/src/shared/install-printf.c b/src/shared/install-printf.c deleted file mode 100644 index cbdf66827f..0000000000 --- a/src/shared/install-printf.c +++ /dev/null @@ -1,172 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2013 Zbigniew Jędrzejewski-Szmek - - 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 <errno.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -#include "formats-util.h" -#include "install-printf.h" -#include "install.h" -#include "macro.h" -#include "specifier.h" -#include "string-util.h" -#include "unit-name.h" -#include "user-util.h" - -static int specifier_prefix_and_instance(char specifier, void *data, void *userdata, char **ret) { - const UnitFileInstallInfo *i = userdata; - _cleanup_free_ char *prefix = NULL; - int r; - - assert(i); - - r = unit_name_to_prefix_and_instance(i->name, &prefix); - if (r < 0) - return r; - - if (endswith(prefix, "@") && i->default_instance) { - char *ans; - - ans = strjoin(prefix, i->default_instance, NULL); - if (!ans) - return -ENOMEM; - *ret = ans; - } else { - *ret = prefix; - prefix = NULL; - } - - return 0; -} - -static int specifier_name(char specifier, void *data, void *userdata, char **ret) { - const UnitFileInstallInfo *i = userdata; - char *ans; - - assert(i); - - if (unit_name_is_valid(i->name, UNIT_NAME_TEMPLATE) && i->default_instance) - return unit_name_replace_instance(i->name, i->default_instance, ret); - - ans = strdup(i->name); - if (!ans) - return -ENOMEM; - *ret = ans; - return 0; -} - -static int specifier_prefix(char specifier, void *data, void *userdata, char **ret) { - const UnitFileInstallInfo *i = userdata; - - assert(i); - - return unit_name_to_prefix(i->name, ret); -} - -static int specifier_instance(char specifier, void *data, void *userdata, char **ret) { - const UnitFileInstallInfo *i = userdata; - char *instance; - int r; - - assert(i); - - r = unit_name_to_instance(i->name, &instance); - if (r < 0) - return r; - - if (isempty(instance)) { - instance = strdup(i->default_instance ?: ""); - if (!instance) - return -ENOMEM; - } - - *ret = instance; - return 0; -} - -static int specifier_user_name(char specifier, void *data, void *userdata, char **ret) { - char *t; - - /* If we are UID 0 (root), this will not result in NSS, - * otherwise it might. This is good, as we want to be able to - * run this in PID 1, where our user ID is 0, but where NSS - * lookups are not allowed. - - * We don't user getusername_malloc() here, because we don't want to look - * at $USER, to remain consistent with specifer_user_id() below. - */ - - t = uid_to_name(getuid()); - if (!t) - return -ENOMEM; - - *ret = t; - return 0; -} - -static int specifier_user_id(char specifier, void *data, void *userdata, char **ret) { - - if (asprintf(ret, UID_FMT, getuid()) < 0) - return -ENOMEM; - - return 0; -} - -int install_full_printf(UnitFileInstallInfo *i, const char *format, char **ret) { - - /* This is similar to unit_full_printf() but does not support - * anything path-related. - * - * %n: the full id of the unit (foo@bar.waldo) - * %N: the id of the unit without the suffix (foo@bar) - * %p: the prefix (foo) - * %i: the instance (bar) - - * %U the UID of the running user - * %u the username of running user - * %m the machine ID of the running system - * %H the host name of the running system - * %b the boot ID of the running system - * %v `uname -r` of the running system - */ - - const Specifier table[] = { - { 'n', specifier_name, NULL }, - { 'N', specifier_prefix_and_instance, NULL }, - { 'p', specifier_prefix, NULL }, - { 'i', specifier_instance, NULL }, - - { 'U', specifier_user_id, NULL }, - { 'u', specifier_user_name, NULL }, - - { 'm', specifier_machine_id, NULL }, - { 'H', specifier_host_name, NULL }, - { 'b', specifier_boot_id, NULL }, - { 'v', specifier_kernel_release, NULL }, - {} - }; - - assert(i); - assert(format); - assert(ret); - - return specifier_printf(format, table, i, ret); -} |