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-rw-r--r--src/core/condition.c208
-rw-r--r--src/core/condition.h48
-rw-r--r--src/shared/condition-util.c243
-rw-r--r--src/shared/condition-util.h77
4 files changed, 321 insertions, 255 deletions
diff --git a/src/core/condition.c b/src/core/condition.c
index 35de996f88..658e8d6a4c 100644
--- a/src/core/condition.c
+++ b/src/core/condition.c
@@ -39,126 +39,6 @@
#include "ima-util.h"
#include "selinux-util.h"
-Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) {
- Condition *c;
-
- assert(type < _CONDITION_TYPE_MAX);
-
- c = new0(Condition, 1);
- if (!c)
- return NULL;
-
- c->type = type;
- c->trigger = trigger;
- c->negate = negate;
-
- if (parameter) {
- c->parameter = strdup(parameter);
- if (!c->parameter) {
- free(c);
- return NULL;
- }
- }
-
- return c;
-}
-
-void condition_free(Condition *c) {
- assert(c);
-
- free(c->parameter);
- free(c);
-}
-
-void condition_free_list(Condition *first) {
- Condition *c, *n;
-
- LIST_FOREACH_SAFE(conditions, c, n, first)
- condition_free(c);
-}
-
-static bool condition_test_kernel_command_line(Condition *c) {
- char *line, *w, *state, *word = NULL;
- bool equal;
- int r;
- size_t l, pl;
- bool found = false;
-
- assert(c);
- assert(c->parameter);
- assert(c->type == CONDITION_KERNEL_COMMAND_LINE);
-
- r = proc_cmdline(&line);
- if (r < 0)
- log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
- if (r <= 0)
- return c->negate;
-
- equal = !!strchr(c->parameter, '=');
- pl = strlen(c->parameter);
-
- FOREACH_WORD_QUOTED(w, l, line, state) {
-
- free(word);
- word = strndup(w, l);
- if (!word)
- break;
-
- if (equal) {
- if (streq(word, c->parameter)) {
- found = true;
- break;
- }
- } else {
- if (startswith(word, c->parameter) && (word[pl] == '=' || word[pl] == 0)) {
- found = true;
- break;
- }
- }
-
- }
-
- free(word);
- free(line);
-
- return found == !c->negate;
-}
-
-static bool condition_test_virtualization(Condition *c) {
- int b;
- Virtualization v;
- const char *id;
-
- assert(c);
- assert(c->parameter);
- assert(c->type == CONDITION_VIRTUALIZATION);
-
- v = detect_virtualization(&id);
- if (v < 0) {
- log_warning("Failed to detect virtualization, ignoring: %s", strerror(-v));
- return c->negate;
- }
-
- /* First, compare with yes/no */
- b = parse_boolean(c->parameter);
-
- if (v > 0 && b > 0)
- return !c->negate;
-
- if (v == 0 && b == 0)
- return !c->negate;
-
- /* Then, compare categorization */
- if (v == VIRTUALIZATION_VM && streq(c->parameter, "vm"))
- return !c->negate;
-
- if (v == VIRTUALIZATION_CONTAINER && streq(c->parameter, "container"))
- return !c->negate;
-
- /* Finally compare id */
- return (v > 0 && streq(c->parameter, id)) == !c->negate;
-}
-
static bool condition_test_security(Condition *c) {
assert(c);
assert(c->parameter);
@@ -211,49 +91,6 @@ static bool condition_test_capability(Condition *c) {
return !!(capabilities & (1ULL << value)) == !c->negate;
}
-static bool condition_test_host(Condition *c) {
- sd_id128_t x, y;
- char *h;
- int r;
- bool b;
-
- assert(c);
- assert(c->parameter);
- assert(c->type == CONDITION_HOST);
-
- if (sd_id128_from_string(c->parameter, &x) >= 0) {
-
- r = sd_id128_get_machine(&y);
- if (r < 0)
- return c->negate;
-
- return sd_id128_equal(x, y);
- }
-
- h = gethostname_malloc();
- if (!h)
- return c->negate;
-
- b = fnmatch(c->parameter, h, FNM_CASEFOLD) == 0;
- free(h);
-
- return b == !c->negate;
-}
-
-static bool condition_test_ac_power(Condition *c) {
- int r;
-
- assert(c);
- assert(c->parameter);
- assert(c->type == CONDITION_AC_POWER);
-
- r = parse_boolean(c->parameter);
- if (r < 0)
- return !c->negate;
-
- return ((on_ac_power() != 0) == !!r) == !c->negate;
-}
-
static bool condition_test(Condition *c) {
assert(c);
@@ -373,48 +210,3 @@ bool condition_test_list(const char *unit, Condition *first) {
return triggered != 0;
}
-
-void condition_dump(Condition *c, FILE *f, const char *prefix) {
- assert(c);
- assert(f);
-
- if (!prefix)
- prefix = "";
-
- fprintf(f,
- "%s\t%s: %s%s%s %s\n",
- prefix,
- condition_type_to_string(c->type),
- c->trigger ? "|" : "",
- c->negate ? "!" : "",
- c->parameter,
- c->state < 0 ? "failed" : c->state > 0 ? "succeeded" : "untested");
-}
-
-void condition_dump_list(Condition *first, FILE *f, const char *prefix) {
- Condition *c;
-
- LIST_FOREACH(conditions, c, first)
- condition_dump(c, f, prefix);
-}
-
-static const char* const condition_type_table[_CONDITION_TYPE_MAX] = {
- [CONDITION_PATH_EXISTS] = "ConditionPathExists",
- [CONDITION_PATH_EXISTS_GLOB] = "ConditionPathExistsGlob",
- [CONDITION_PATH_IS_DIRECTORY] = "ConditionPathIsDirectory",
- [CONDITION_PATH_IS_SYMBOLIC_LINK] = "ConditionPathIsSymbolicLink",
- [CONDITION_PATH_IS_MOUNT_POINT] = "ConditionPathIsMountPoint",
- [CONDITION_PATH_IS_READ_WRITE] = "ConditionPathIsReadWrite",
- [CONDITION_DIRECTORY_NOT_EMPTY] = "ConditionDirectoryNotEmpty",
- [CONDITION_FILE_NOT_EMPTY] = "ConditionFileNotEmpty",
- [CONDITION_FILE_IS_EXECUTABLE] = "ConditionFileIsExecutable",
- [CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine",
- [CONDITION_VIRTUALIZATION] = "ConditionVirtualization",
- [CONDITION_SECURITY] = "ConditionSecurity",
- [CONDITION_CAPABILITY] = "ConditionCapability",
- [CONDITION_HOST] = "ConditionHost",
- [CONDITION_AC_POWER] = "ConditionACPower",
- [CONDITION_NULL] = "ConditionNull"
-};
-
-DEFINE_STRING_TABLE_LOOKUP(condition_type, ConditionType);
diff --git a/src/core/condition.h b/src/core/condition.h
index 1813b735a5..6dd77bb658 100644
--- a/src/core/condition.h
+++ b/src/core/condition.h
@@ -21,52 +21,6 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <stdbool.h>
-
-#include "list.h"
-
-typedef enum ConditionType {
- CONDITION_PATH_EXISTS,
- CONDITION_PATH_EXISTS_GLOB,
- CONDITION_PATH_IS_DIRECTORY,
- CONDITION_PATH_IS_SYMBOLIC_LINK,
- CONDITION_PATH_IS_MOUNT_POINT,
- CONDITION_PATH_IS_READ_WRITE,
- CONDITION_DIRECTORY_NOT_EMPTY,
- CONDITION_FILE_NOT_EMPTY,
- CONDITION_FILE_IS_EXECUTABLE,
- CONDITION_KERNEL_COMMAND_LINE,
- CONDITION_VIRTUALIZATION,
- CONDITION_SECURITY,
- CONDITION_CAPABILITY,
- CONDITION_HOST,
- CONDITION_AC_POWER,
- CONDITION_NULL,
- _CONDITION_TYPE_MAX,
- _CONDITION_TYPE_INVALID = -1
-} ConditionType;
-
-typedef struct Condition {
- ConditionType type;
-
- bool trigger:1;
- bool negate:1;
-
- char *parameter;
-
- int state;
-
- LIST_FIELDS(struct Condition, conditions);
-} Condition;
-
-Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate);
-void condition_free(Condition *c);
-void condition_free_list(Condition *c);
+#include "condition-util.h"
bool condition_test_list(const char *unit, Condition *c);
-
-void condition_dump(Condition *c, FILE *f, const char *prefix);
-void condition_dump_list(Condition *c, FILE *f, const char *prefix);
-
-const char* condition_type_to_string(ConditionType t) _const_;
-int condition_type_from_string(const char *s) _pure_;
diff --git a/src/shared/condition-util.c b/src/shared/condition-util.c
new file mode 100644
index 0000000000..d31c4bf5b1
--- /dev/null
+++ b/src/shared/condition-util.c
@@ -0,0 +1,243 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 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 <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/statvfs.h>
+#include <fnmatch.h>
+
+#include <systemd/sd-id128.h>
+#include "util.h"
+#include "condition-util.h"
+#include "virt.h"
+#include "path-util.h"
+#include "fileio.h"
+#include "unit.h"
+
+Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) {
+ Condition *c;
+
+ assert(type < _CONDITION_TYPE_MAX);
+
+ c = new0(Condition, 1);
+ if (!c)
+ return NULL;
+
+ c->type = type;
+ c->trigger = trigger;
+ c->negate = negate;
+
+ if (parameter) {
+ c->parameter = strdup(parameter);
+ if (!c->parameter) {
+ free(c);
+ return NULL;
+ }
+ }
+
+ return c;
+}
+
+void condition_free(Condition *c) {
+ assert(c);
+
+ free(c->parameter);
+ free(c);
+}
+
+void condition_free_list(Condition *first) {
+ Condition *c, *n;
+
+ LIST_FOREACH_SAFE(conditions, c, n, first)
+ condition_free(c);
+}
+
+bool condition_test_kernel_command_line(Condition *c) {
+ char *line, *w, *state, *word = NULL;
+ bool equal;
+ int r;
+ size_t l, pl;
+ bool found = false;
+
+ assert(c);
+ assert(c->parameter);
+ assert(c->type == CONDITION_KERNEL_COMMAND_LINE);
+
+ r = proc_cmdline(&line);
+ if (r < 0)
+ log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
+ if (r <= 0)
+ return c->negate;
+
+ equal = !!strchr(c->parameter, '=');
+ pl = strlen(c->parameter);
+
+ FOREACH_WORD_QUOTED(w, l, line, state) {
+
+ free(word);
+ word = strndup(w, l);
+ if (!word)
+ break;
+
+ if (equal) {
+ if (streq(word, c->parameter)) {
+ found = true;
+ break;
+ }
+ } else {
+ if (startswith(word, c->parameter) && (word[pl] == '=' || word[pl] == 0)) {
+ found = true;
+ break;
+ }
+ }
+
+ }
+
+ free(word);
+ free(line);
+
+ return found == !c->negate;
+}
+
+bool condition_test_virtualization(Condition *c) {
+ int b;
+ Virtualization v;
+ const char *id;
+
+ assert(c);
+ assert(c->parameter);
+ assert(c->type == CONDITION_VIRTUALIZATION);
+
+ v = detect_virtualization(&id);
+ if (v < 0) {
+ log_warning("Failed to detect virtualization, ignoring: %s", strerror(-v));
+ return c->negate;
+ }
+
+ /* First, compare with yes/no */
+ b = parse_boolean(c->parameter);
+
+ if (v > 0 && b > 0)
+ return !c->negate;
+
+ if (v == 0 && b == 0)
+ return !c->negate;
+
+ /* Then, compare categorization */
+ if (v == VIRTUALIZATION_VM && streq(c->parameter, "vm"))
+ return !c->negate;
+
+ if (v == VIRTUALIZATION_CONTAINER && streq(c->parameter, "container"))
+ return !c->negate;
+
+ /* Finally compare id */
+ return (v > 0 && streq(c->parameter, id)) == !c->negate;
+}
+
+bool condition_test_host(Condition *c) {
+ sd_id128_t x, y;
+ char *h;
+ int r;
+ bool b;
+
+ assert(c);
+ assert(c->parameter);
+ assert(c->type == CONDITION_HOST);
+
+ if (sd_id128_from_string(c->parameter, &x) >= 0) {
+
+ r = sd_id128_get_machine(&y);
+ if (r < 0)
+ return c->negate;
+
+ return sd_id128_equal(x, y);
+ }
+
+ h = gethostname_malloc();
+ if (!h)
+ return c->negate;
+
+ b = fnmatch(c->parameter, h, FNM_CASEFOLD) == 0;
+ free(h);
+
+ return b == !c->negate;
+}
+
+bool condition_test_ac_power(Condition *c) {
+ int r;
+
+ assert(c);
+ assert(c->parameter);
+ assert(c->type == CONDITION_AC_POWER);
+
+ r = parse_boolean(c->parameter);
+ if (r < 0)
+ return !c->negate;
+
+ return ((on_ac_power() != 0) == !!r) == !c->negate;
+}
+
+void condition_dump(Condition *c, FILE *f, const char *prefix) {
+ assert(c);
+ assert(f);
+
+ if (!prefix)
+ prefix = "";
+
+ fprintf(f,
+ "%s\t%s: %s%s%s %s\n",
+ prefix,
+ condition_type_to_string(c->type),
+ c->trigger ? "|" : "",
+ c->negate ? "!" : "",
+ c->parameter,
+ c->state < 0 ? "failed" : c->state > 0 ? "succeeded" : "untested");
+}
+
+void condition_dump_list(Condition *first, FILE *f, const char *prefix) {
+ Condition *c;
+
+ LIST_FOREACH(conditions, c, first)
+ condition_dump(c, f, prefix);
+}
+
+static const char* const condition_type_table[_CONDITION_TYPE_MAX] = {
+ [CONDITION_PATH_EXISTS] = "ConditionPathExists",
+ [CONDITION_PATH_EXISTS_GLOB] = "ConditionPathExistsGlob",
+ [CONDITION_PATH_IS_DIRECTORY] = "ConditionPathIsDirectory",
+ [CONDITION_PATH_IS_SYMBOLIC_LINK] = "ConditionPathIsSymbolicLink",
+ [CONDITION_PATH_IS_MOUNT_POINT] = "ConditionPathIsMountPoint",
+ [CONDITION_PATH_IS_READ_WRITE] = "ConditionPathIsReadWrite",
+ [CONDITION_DIRECTORY_NOT_EMPTY] = "ConditionDirectoryNotEmpty",
+ [CONDITION_FILE_NOT_EMPTY] = "ConditionFileNotEmpty",
+ [CONDITION_FILE_IS_EXECUTABLE] = "ConditionFileIsExecutable",
+ [CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine",
+ [CONDITION_VIRTUALIZATION] = "ConditionVirtualization",
+ [CONDITION_SECURITY] = "ConditionSecurity",
+ [CONDITION_CAPABILITY] = "ConditionCapability",
+ [CONDITION_HOST] = "ConditionHost",
+ [CONDITION_AC_POWER] = "ConditionACPower",
+ [CONDITION_NULL] = "ConditionNull"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(condition_type, ConditionType);
diff --git a/src/shared/condition-util.h b/src/shared/condition-util.h
new file mode 100644
index 0000000000..85d4d5bbfc
--- /dev/null
+++ b/src/shared/condition-util.h
@@ -0,0 +1,77 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 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 <stdbool.h>
+#include <stdio.h>
+
+#include "list.h"
+#include "macro.h"
+
+typedef enum ConditionType {
+ CONDITION_PATH_EXISTS,
+ CONDITION_PATH_EXISTS_GLOB,
+ CONDITION_PATH_IS_DIRECTORY,
+ CONDITION_PATH_IS_SYMBOLIC_LINK,
+ CONDITION_PATH_IS_MOUNT_POINT,
+ CONDITION_PATH_IS_READ_WRITE,
+ CONDITION_DIRECTORY_NOT_EMPTY,
+ CONDITION_FILE_NOT_EMPTY,
+ CONDITION_FILE_IS_EXECUTABLE,
+ CONDITION_KERNEL_COMMAND_LINE,
+ CONDITION_VIRTUALIZATION,
+ CONDITION_SECURITY,
+ CONDITION_CAPABILITY,
+ CONDITION_HOST,
+ CONDITION_AC_POWER,
+ CONDITION_NULL,
+ _CONDITION_TYPE_MAX,
+ _CONDITION_TYPE_INVALID = -1
+} ConditionType;
+
+typedef struct Condition {
+ ConditionType type;
+
+ bool trigger:1;
+ bool negate:1;
+
+ char *parameter;
+
+ int state;
+
+ LIST_FIELDS(struct Condition, conditions);
+} Condition;
+
+Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate);
+void condition_free(Condition *c);
+void condition_free_list(Condition *c);
+
+bool condition_test_kernel_command_line(Condition *c);
+bool condition_test_virtualization(Condition *c);
+bool condition_test_host(Condition *c);
+bool condition_test_ac_power(Condition *c);
+
+void condition_dump(Condition *c, FILE *f, const char *prefix);
+void condition_dump_list(Condition *c, FILE *f, const char *prefix);
+
+const char* condition_type_to_string(ConditionType t) _const_;
+int condition_type_from_string(const char *s) _pure_;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-10 15:59:16 +0000