1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2 #pragma once
3
4 #include <stdbool.h>
5 #include <stdio.h>
6
7 #include "list.h"
8 #include "macro.h"
9
10 typedef enum ConditionType {
11 CONDITION_ARCHITECTURE,
12 CONDITION_FIRMWARE,
13 CONDITION_VIRTUALIZATION,
14 CONDITION_HOST,
15 CONDITION_KERNEL_COMMAND_LINE,
16 CONDITION_KERNEL_VERSION,
17 CONDITION_SECURITY,
18 CONDITION_CAPABILITY,
19 CONDITION_AC_POWER,
20 CONDITION_MEMORY,
21 CONDITION_CPUS,
22 CONDITION_ENVIRONMENT,
23 CONDITION_CPU_FEATURE,
24 CONDITION_OS_RELEASE,
25 CONDITION_MEMORY_PRESSURE,
26 CONDITION_CPU_PRESSURE,
27 CONDITION_IO_PRESSURE,
28
29 CONDITION_NEEDS_UPDATE,
30 CONDITION_FIRST_BOOT,
31
32 CONDITION_PATH_EXISTS,
33 CONDITION_PATH_EXISTS_GLOB,
34 CONDITION_PATH_IS_DIRECTORY,
35 CONDITION_PATH_IS_SYMBOLIC_LINK,
36 CONDITION_PATH_IS_MOUNT_POINT,
37 CONDITION_PATH_IS_READ_WRITE,
38 CONDITION_PATH_IS_ENCRYPTED,
39 CONDITION_DIRECTORY_NOT_EMPTY,
40 CONDITION_FILE_NOT_EMPTY,
41 CONDITION_FILE_IS_EXECUTABLE,
42
43 CONDITION_USER,
44 CONDITION_GROUP,
45
46 CONDITION_CONTROL_GROUP_CONTROLLER,
47
48 _CONDITION_TYPE_MAX,
49 _CONDITION_TYPE_INVALID = -EINVAL,
50 } ConditionType;
51
52 typedef enum ConditionResult {
53 CONDITION_UNTESTED,
54 CONDITION_SUCCEEDED,
55 CONDITION_FAILED,
56 CONDITION_ERROR,
57 _CONDITION_RESULT_MAX,
58 _CONDITION_RESULT_INVALID = -EINVAL,
59 } ConditionResult;
60
61 typedef struct Condition {
62 ConditionType type:8;
63
64 bool trigger:1;
65 bool negate:1;
66
67 ConditionResult result:6;
68
69 char *parameter;
70
71 LIST_FIELDS(struct Condition, conditions);
72 } Condition;
73
74 Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate);
75 Condition* condition_free(Condition *c);
76 Condition* condition_free_list_type(Condition *first, ConditionType type);
condition_free_list(Condition * first)77 static inline Condition* condition_free_list(Condition *first) {
78 return condition_free_list_type(first, _CONDITION_TYPE_INVALID);
79 }
80
81 int condition_test(Condition *c, char **env);
82
83 typedef int (*condition_test_logger_t)(void *userdata, int level, int error, const char *file, int line, const char *func, const char *format, ...) _printf_(7, 8);
84 typedef const char* (*condition_to_string_t)(ConditionType t) _const_;
85 bool condition_test_list(Condition *first, char **env, condition_to_string_t to_string, condition_test_logger_t logger, void *userdata);
86
87 void condition_dump(Condition *c, FILE *f, const char *prefix, condition_to_string_t to_string);
88 void condition_dump_list(Condition *c, FILE *f, const char *prefix, condition_to_string_t to_string);
89
90 const char* condition_type_to_string(ConditionType t) _const_;
91 ConditionType condition_type_from_string(const char *s) _pure_;
92
93 const char* assert_type_to_string(ConditionType t) _const_;
94 ConditionType assert_type_from_string(const char *s) _pure_;
95
96 const char* condition_result_to_string(ConditionResult r) _const_;
97 ConditionResult condition_result_from_string(const char *s) _pure_;
98
condition_takes_path(ConditionType t)99 static inline bool condition_takes_path(ConditionType t) {
100 return IN_SET(t,
101 CONDITION_PATH_EXISTS,
102 CONDITION_PATH_EXISTS_GLOB,
103 CONDITION_PATH_IS_DIRECTORY,
104 CONDITION_PATH_IS_SYMBOLIC_LINK,
105 CONDITION_PATH_IS_MOUNT_POINT,
106 CONDITION_PATH_IS_READ_WRITE,
107 CONDITION_PATH_IS_ENCRYPTED,
108 CONDITION_DIRECTORY_NOT_EMPTY,
109 CONDITION_FILE_NOT_EMPTY,
110 CONDITION_FILE_IS_EXECUTABLE,
111 CONDITION_NEEDS_UPDATE);
112 }
113