1: /*
2: * Copyright (c) 2004, 2010-2013 Todd C. Miller <Todd.Miller@courtesan.com>
3: *
4: * Permission to use, copy, modify, and distribute this software for any
5: * purpose with or without fee is hereby granted, provided that the above
6: * copyright notice and this permission notice appear in all copies.
7: *
8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15: */
16:
17: #ifndef _SUDO_FATAL_H_
18: #define _SUDO_FATAL_H_
19:
20: #include <stdarg.h>
21: #include <setjmp.h>
22:
23: /*
24: * We wrap fatal/fatalx and warning/warningx so that the same output can
25: * go to the debug file, if there is one.
26: */
27: #if defined(SUDO_ERROR_WRAP) && SUDO_ERROR_WRAP == 0
28: # if defined(__GNUC__) && __GNUC__ == 2
29: # define fatal(fmt...) fatal_nodebug(fmt)
30: # define fatalx(fmt...) fatalx_nodebug(fmt)
31: # define warning(fmt...) warning_nodebug(fmt)
32: # define warningx(fmt...) warningx_nodebug(fmt)
33: # else
34: # define fatal(...) fatal_nodebug(__VA_ARGS__)
35: # define fatalx(...) fatalx_nodebug(__VA_ARGS__)
36: # define warning(...) warning_nodebug(__VA_ARGS__)
37: # define warningx(...) warningx_nodebug(__VA_ARGS__)
38: # endif /* __GNUC__ == 2 */
39: # define vfatal(fmt, ap) fatal_nodebug((fmt), (ap))
40: # define vfatalx(fmt, ap) fatalx_nodebug((fmt), (ap))
41: # define vwarning(fmt, ap) warning_nodebug((fmt), (ap))
42: # define vwarningx(fmt, ap) warningx_nodebug((fmt), (ap))
43: #else /* SUDO_ERROR_WRAP */
44: # if defined(__GNUC__) && __GNUC__ == 2
45: # define fatal(fmt...) do { \
46: sudo_debug_printf2(__func__, __FILE__, __LINE__, \
47: SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
48: fmt); \
49: fatal_nodebug(fmt); \
50: } while (0)
51: # define fatalx(fmt...) do { \
52: sudo_debug_printf2(__func__, __FILE__, __LINE__, \
53: SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, fmt); \
54: fatalx_nodebug(fmt); \
55: } while (0)
56: # define warning(fmt...) do { \
57: sudo_debug_printf2(__func__, __FILE__, __LINE__, \
58: SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
59: fmt); \
60: warning_nodebug(fmt); \
61: } while (0)
62: # define warningx(fmt...) do { \
63: sudo_debug_printf2(__func__, __FILE__, __LINE__, \
64: SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, fmt); \
65: warningx_nodebug(fmt); \
66: } while (0)
67: # else
68: # define fatal(...) do { \
69: sudo_debug_printf2(__func__, __FILE__, __LINE__, \
70: SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
71: __VA_ARGS__); \
72: fatal_nodebug(__VA_ARGS__); \
73: } while (0)
74: # define fatalx(...) do { \
75: sudo_debug_printf2(__func__, __FILE__, __LINE__, \
76: SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, __VA_ARGS__); \
77: fatalx_nodebug(__VA_ARGS__); \
78: } while (0)
79: # define warning(...) do { \
80: sudo_debug_printf2(__func__, __FILE__, __LINE__, \
81: SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
82: __VA_ARGS__); \
83: warning_nodebug(__VA_ARGS__); \
84: } while (0)
85: # define warningx(...) do { \
86: sudo_debug_printf2(__func__, __FILE__, __LINE__, \
87: SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|sudo_debug_subsys, __VA_ARGS__); \
88: warningx_nodebug(__VA_ARGS__); \
89: } while (0)
90: # endif /* __GNUC__ == 2 */
91: # define vfatal(fmt, ap) do { \
92: sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
93: SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
94: (fmt), (ap)); \
95: vfatal_nodebug((fmt), (ap)); \
96: } while (0)
97: # define vfatalx(fmt, ap) do { \
98: sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
99: SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, (fmt), (ap)); \
100: vfatalx_nodebug((fmt), (ap)); \
101: } while (0)
102: # define vwarning(fmt, ap) do { \
103: sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
104: SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
105: (fmt), (ap)); \
106: vwarning_nodebug((fmt), (ap)); \
107: warning_restore_locale(); \
108: } while (0)
109: # define vwarningx(fmt, ap) do { \
110: sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
111: SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|sudo_debug_subsys, (fmt), (ap)); \
112: vwarningx_nodebug((fmt), (ap)); \
113: } while (0)
114: #endif /* SUDO_ERROR_WRAP */
115:
116: #if defined(__GNUC__) && __GNUC__ == 2
117: # define fatal_nodebug(fmt...) do { \
118: warning_set_locale(); \
119: fatal2(fmt); \
120: } while (0)
121: # define fatalx_nodebug(fmt...) do { \
122: warning_set_locale(); \
123: fatalx2(fmt); \
124: } while (0)
125: # define warning_nodebug(fmt...) do { \
126: warning_set_locale(); \
127: warning2(fmt); \
128: warning_restore_locale(); \
129: } while (0)
130: # define warningx_nodebug(fmt...) do { \
131: warning_set_locale(); \
132: warningx2(fmt); \
133: warning_restore_locale(); \
134: } while (0)
135: #else
136: # define fatal_nodebug(...) do { \
137: warning_set_locale(); \
138: fatal2(__VA_ARGS__); \
139: } while (0)
140: # define fatalx_nodebug(...) do { \
141: warning_set_locale(); \
142: fatalx2(__VA_ARGS__); \
143: } while (0)
144: # define warning_nodebug(...) do { \
145: warning_set_locale(); \
146: warning2(__VA_ARGS__); \
147: warning_restore_locale(); \
148: } while (0)
149: # define warningx_nodebug(...) do { \
150: warning_set_locale(); \
151: warningx2(__VA_ARGS__); \
152: warning_restore_locale(); \
153: } while (0)
154: #endif /* __GNUC__ == 2 */
155: #define vfatal_nodebug(fmt, ap) do { \
156: warning_set_locale(); \
157: vfatal2((fmt), (ap)); \
158: } while (0)
159: #define vfatalx_nodebug(fmt, ap) do { \
160: warning_set_locale(); \
161: vfatalx2((fmt), (ap)); \
162: } while (0)
163: #define vwarning_nodebug(fmt, ap) do { \
164: warning_set_locale(); \
165: vwarning2((fmt), (ap)); \
166: warning_restore_locale(); \
167: } while (0)
168: #define vwarningx_nodebug(fmt, ap) do { \
169: warning_set_locale(); \
170: vwarningx2((fmt), (ap)); \
171: warning_restore_locale(); \
172: } while (0)
173:
174: #define fatal_setjmp() (fatal_enable_setjmp(), sigsetjmp(fatal_jmp, 1))
175: #define fatal_longjmp(val) siglongjmp(fatal_jmp, val)
176:
177: extern int (*sudo_printf)(int msg_type, const char *fmt, ...);
178: extern sigjmp_buf fatal_jmp;
179:
180: int fatal_callback_register(void (*func)(void));
181: void fatal_disable_setjmp(void);
182: void fatal_enable_setjmp(void);
183: void fatal2(const char *, ...) __printf0like(1, 2) __attribute__((__noreturn__));
184: void fatalx2(const char *, ...) __printflike(1, 2) __attribute__((__noreturn__));
185: void vfatal2(const char *, va_list ap) __printf0like(1, 0) __attribute__((__noreturn__));
186: void vfatalx2(const char *, va_list ap) __printflike(1, 0) __attribute__((__noreturn__));
187: void warning2(const char *, ...) __printf0like(1, 2);
188: void warningx2(const char *, ...) __printflike(1, 2);
189: void vwarning2(const char *, va_list ap) __printf0like(1, 0);
190: void vwarningx2(const char *, va_list ap) __printflike(1, 0);
191: void warning_set_locale(void);
192: void warning_restore_locale(void);
193:
194: #endif /* _SUDO_FATAL_H_ */
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