File: | src/lib/libagentx/agentx_log.c |
Warning: | line 305, column 13 Access to field 'ax_fd' results in a dereference of a null pointer (loaded from variable 'ax') |
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1 | /* $OpenBSD: agentx_log.c,v 1.2 2020/10/26 16:02:16 tb Exp $ */ | |||
2 | /* | |||
3 | * Copyright (c) 2020 Martijn van Duren <martijn@openbsd.org> | |||
4 | * | |||
5 | * Permission to use, copy, modify, and distribute this software for any | |||
6 | * purpose with or without fee is hereby granted, provided that the above | |||
7 | * copyright notice and this permission notice appear in all copies. | |||
8 | * | |||
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |||
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |||
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |||
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |||
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |||
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |||
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |||
16 | */ | |||
17 | ||||
18 | #include <errno(*__errno()).h> | |||
19 | #include <stdarg.h> | |||
20 | #include <stdio.h> | |||
21 | #include <stdlib.h> | |||
22 | #include <string.h> | |||
23 | ||||
24 | #include "agentx_internal.h" | |||
25 | ||||
26 | #define AGENTX_CONTEXT_NAME(axc)(axc->axc_name_default ? "<default>" : (char *)axc-> axc_name.aos_string) (axc->axc_name_default ? "<default>" : \ | |||
27 | (char *)axc->axc_name.aos_string) | |||
28 | #define AGENTX_GET_CTXNAME(axg)(axg->axg_context_default ? "<default>" : (char *)axg ->axg_context.aos_string) (axg->axg_context_default ? "<default>" : \ | |||
29 | (char *)axg->axg_context.aos_string) | |||
30 | ||||
31 | enum agentx_log_type { | |||
32 | AGENTX_LOG_TYPE_FATAL, | |||
33 | AGENTX_LOG_TYPE_WARN, | |||
34 | AGENTX_LOG_TYPE_INFO, | |||
35 | AGENTX_LOG_TYPE_DEBUG | |||
36 | }; | |||
37 | ||||
38 | void (*agentx_log_fatal)(const char *, ...) | |||
39 | __attribute__((__format__ (printf, 1, 2))) = NULL((void *)0); | |||
40 | void (*agentx_log_warn)(const char *, ...) | |||
41 | __attribute__((__format__ (printf, 1, 2))) = NULL((void *)0); | |||
42 | void (*agentx_log_info)(const char *, ...) | |||
43 | __attribute__((__format__ (printf, 1, 2))) = NULL((void *)0); | |||
44 | void (*agentx_log_debug)(const char *, ...) | |||
45 | __attribute__((__format__ (printf, 1, 2))) = NULL((void *)0); | |||
46 | ||||
47 | ||||
48 | static void | |||
49 | agentx_log_do(enum agentx_log_type, const char *, va_list, int, | |||
50 | struct agentx *, struct agentx_session *, struct agentx_context *, | |||
51 | struct agentx_get *); | |||
52 | ||||
53 | void | |||
54 | agentx_log_ax_fatalx(struct agentx *ax, const char *fmt, ...) | |||
55 | { | |||
56 | va_list ap; | |||
57 | ||||
58 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
59 | agentx_log_do(AGENTX_LOG_TYPE_FATAL, fmt, ap, 0, ax, NULL((void *)0), NULL((void *)0), | |||
60 | NULL((void *)0)); | |||
61 | va_end(ap)__builtin_va_end((ap)); | |||
62 | abort(); | |||
63 | } | |||
64 | ||||
65 | void | |||
66 | agentx_log_ax_warn(struct agentx *ax, const char *fmt, ...) | |||
67 | { | |||
68 | va_list ap; | |||
69 | ||||
70 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
71 | agentx_log_do(AGENTX_LOG_TYPE_WARN, fmt, ap, 1, ax, NULL((void *)0), NULL((void *)0), | |||
72 | NULL((void *)0)); | |||
73 | va_end(ap)__builtin_va_end((ap)); | |||
74 | } | |||
75 | ||||
76 | void | |||
77 | agentx_log_ax_warnx(struct agentx *ax, const char *fmt, ...) | |||
78 | { | |||
79 | va_list ap; | |||
80 | ||||
81 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
82 | agentx_log_do(AGENTX_LOG_TYPE_WARN, fmt, ap, 0, ax, NULL((void *)0), NULL((void *)0), | |||
83 | NULL((void *)0)); | |||
84 | va_end(ap)__builtin_va_end((ap)); | |||
85 | } | |||
86 | ||||
87 | void | |||
88 | agentx_log_ax_info(struct agentx *ax, const char *fmt, ...) | |||
89 | { | |||
90 | va_list ap; | |||
91 | ||||
92 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
93 | agentx_log_do(AGENTX_LOG_TYPE_INFO, fmt, ap, 0, ax, NULL((void *)0), NULL((void *)0), | |||
94 | NULL((void *)0)); | |||
95 | va_end(ap)__builtin_va_end((ap)); | |||
96 | } | |||
97 | ||||
98 | void | |||
99 | agentx_log_ax_debug(struct agentx *ax, const char *fmt, ...) | |||
100 | { | |||
101 | va_list ap; | |||
102 | ||||
103 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
104 | agentx_log_do(AGENTX_LOG_TYPE_DEBUG, fmt, ap, 0, ax, NULL((void *)0), NULL((void *)0), | |||
105 | NULL((void *)0)); | |||
106 | va_end(ap)__builtin_va_end((ap)); | |||
107 | } | |||
108 | ||||
109 | void | |||
110 | agentx_log_axs_fatalx(struct agentx_session *axs, const char *fmt, ...) | |||
111 | { | |||
112 | va_list ap; | |||
113 | ||||
114 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
115 | agentx_log_do(AGENTX_LOG_TYPE_FATAL, fmt, ap, 0, NULL((void *)0), axs, NULL((void *)0), | |||
116 | NULL((void *)0)); | |||
117 | va_end(ap)__builtin_va_end((ap)); | |||
118 | abort(); | |||
119 | } | |||
120 | ||||
121 | void | |||
122 | agentx_log_axs_warnx(struct agentx_session *axs, const char *fmt, ...) | |||
123 | { | |||
124 | va_list ap; | |||
125 | ||||
126 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
127 | agentx_log_do(AGENTX_LOG_TYPE_WARN, fmt, ap, 0, NULL((void *)0), axs, NULL((void *)0), | |||
128 | NULL((void *)0)); | |||
129 | va_end(ap)__builtin_va_end((ap)); | |||
130 | } | |||
131 | ||||
132 | void | |||
133 | agentx_log_axs_warn(struct agentx_session *axs, const char *fmt, ...) | |||
134 | { | |||
135 | va_list ap; | |||
136 | ||||
137 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
138 | agentx_log_do(AGENTX_LOG_TYPE_WARN, fmt, ap, 1, NULL((void *)0), axs, NULL((void *)0), | |||
139 | NULL((void *)0)); | |||
140 | va_end(ap)__builtin_va_end((ap)); | |||
141 | } | |||
142 | ||||
143 | void | |||
144 | agentx_log_axs_info(struct agentx_session *axs, const char *fmt, ...) | |||
145 | { | |||
146 | va_list ap; | |||
147 | ||||
148 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
149 | agentx_log_do(AGENTX_LOG_TYPE_INFO, fmt, ap, 0, NULL((void *)0), axs, NULL((void *)0), | |||
150 | NULL((void *)0)); | |||
151 | va_end(ap)__builtin_va_end((ap)); | |||
152 | } | |||
153 | ||||
154 | void | |||
155 | agentx_log_axc_fatalx(struct agentx_context *axc, const char *fmt, ...) | |||
156 | { | |||
157 | va_list ap; | |||
158 | ||||
159 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
160 | agentx_log_do(AGENTX_LOG_TYPE_FATAL, fmt, ap, 0, NULL((void *)0), NULL((void *)0), axc, | |||
161 | NULL((void *)0)); | |||
162 | va_end(ap)__builtin_va_end((ap)); | |||
163 | abort(); | |||
164 | } | |||
165 | ||||
166 | void | |||
167 | agentx_log_axc_warnx(struct agentx_context *axc, const char *fmt, ...) | |||
168 | { | |||
169 | va_list ap; | |||
170 | ||||
171 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
172 | agentx_log_do(AGENTX_LOG_TYPE_WARN, fmt, ap, 0, NULL((void *)0), NULL((void *)0), axc, | |||
173 | NULL((void *)0)); | |||
174 | va_end(ap)__builtin_va_end((ap)); | |||
175 | } | |||
176 | ||||
177 | void | |||
178 | agentx_log_axc_warn(struct agentx_context *axc, const char *fmt, ...) | |||
179 | { | |||
180 | va_list ap; | |||
181 | ||||
182 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
183 | agentx_log_do(AGENTX_LOG_TYPE_WARN, fmt, ap, 1, NULL((void *)0), NULL((void *)0), axc, | |||
184 | NULL((void *)0)); | |||
185 | va_end(ap)__builtin_va_end((ap)); | |||
186 | } | |||
187 | ||||
188 | void | |||
189 | agentx_log_axc_info(struct agentx_context *axc, const char *fmt, ...) | |||
190 | { | |||
191 | va_list ap; | |||
192 | ||||
193 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
194 | agentx_log_do(AGENTX_LOG_TYPE_INFO, fmt, ap, 0, NULL((void *)0), NULL((void *)0), axc, | |||
195 | NULL((void *)0)); | |||
196 | va_end(ap)__builtin_va_end((ap)); | |||
197 | } | |||
198 | ||||
199 | void | |||
200 | agentx_log_axc_debug(struct agentx_context *axc, const char *fmt, ...) | |||
201 | { | |||
202 | va_list ap; | |||
203 | ||||
204 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
205 | agentx_log_do(AGENTX_LOG_TYPE_DEBUG, fmt, ap, 0, NULL((void *)0), NULL((void *)0), axc, | |||
206 | NULL((void *)0)); | |||
207 | va_end(ap)__builtin_va_end((ap)); | |||
208 | } | |||
209 | ||||
210 | void | |||
211 | agentx_log_axg_fatalx(struct agentx_get *axg, const char *fmt, ...) | |||
212 | { | |||
213 | va_list ap; | |||
214 | ||||
215 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
216 | agentx_log_do(AGENTX_LOG_TYPE_FATAL, fmt, ap, 0, NULL((void *)0), NULL((void *)0), NULL((void *)0), | |||
| ||||
217 | axg); | |||
218 | va_end(ap)__builtin_va_end((ap)); | |||
219 | abort(); | |||
220 | } | |||
221 | ||||
222 | void | |||
223 | agentx_log_axg_warnx(struct agentx_get *axg, const char *fmt, ...) | |||
224 | { | |||
225 | va_list ap; | |||
226 | ||||
227 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
228 | agentx_log_do(AGENTX_LOG_TYPE_WARN, fmt, ap, 0, NULL((void *)0), NULL((void *)0), NULL((void *)0), | |||
229 | axg); | |||
230 | va_end(ap)__builtin_va_end((ap)); | |||
231 | } | |||
232 | ||||
233 | void | |||
234 | agentx_log_axg_warn(struct agentx_get *axg, const char *fmt, ...) | |||
235 | { | |||
236 | va_list ap; | |||
237 | ||||
238 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
239 | agentx_log_do(AGENTX_LOG_TYPE_WARN, fmt, ap, 1, NULL((void *)0), NULL((void *)0), NULL((void *)0), | |||
240 | axg); | |||
241 | va_end(ap)__builtin_va_end((ap)); | |||
242 | } | |||
243 | ||||
244 | void | |||
245 | agentx_log_axg_debug(struct agentx_get *axg, const char *fmt, ...) | |||
246 | { | |||
247 | va_list ap; | |||
248 | ||||
249 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
250 | agentx_log_do(AGENTX_LOG_TYPE_DEBUG, fmt, ap, 0, NULL((void *)0), NULL((void *)0), NULL((void *)0), | |||
251 | axg); | |||
252 | va_end(ap)__builtin_va_end((ap)); | |||
253 | } | |||
254 | ||||
255 | static void | |||
256 | agentx_log_do(enum agentx_log_type type, const char *fmt, va_list ap, | |||
257 | int useerrno, struct agentx *ax, struct agentx_session *axs, | |||
258 | struct agentx_context *axc, struct agentx_get *axg) | |||
259 | { | |||
260 | void (*agentx_log)(const char *, ...); | |||
261 | char buf[1500]; | |||
262 | ||||
263 | if (type
| |||
264 | agentx_log = agentx_log_fatal; | |||
265 | else if (type == AGENTX_LOG_TYPE_WARN) | |||
266 | agentx_log = agentx_log_warn; | |||
267 | else if (type == AGENTX_LOG_TYPE_INFO) | |||
268 | agentx_log = agentx_log_info; | |||
269 | else | |||
270 | agentx_log = agentx_log_debug; | |||
271 | if (agentx_log == NULL((void *)0)) | |||
272 | return; | |||
273 | ||||
274 | vsnprintf(buf, sizeof(buf), fmt, ap); | |||
275 | ||||
276 | if (axg != NULL((void *)0)) { | |||
277 | if (useerrno) | |||
278 | agentx_log("[fd:%d sess:%u ctx:%s trid:%u pid:%u]: " | |||
279 | "%s: %s", axg->axg_fd, axg->axg_sessionid, | |||
280 | AGENTX_GET_CTXNAME(axg)(axg->axg_context_default ? "<default>" : (char *)axg ->axg_context.aos_string), axg->axg_transactionid, | |||
281 | axg->axg_packetid, buf, strerror(errno(*__errno()))); | |||
282 | else | |||
283 | agentx_log("[fd:%d sess:%u ctx:%s trid:%u pid:%u]: " | |||
284 | "%s", axg->axg_fd, axg->axg_sessionid, | |||
285 | AGENTX_GET_CTXNAME(axg)(axg->axg_context_default ? "<default>" : (char *)axg ->axg_context.aos_string), axg->axg_transactionid, | |||
286 | axg->axg_packetid, buf); | |||
287 | } else if (axc
| |||
288 | axs = axc->axc_axs; | |||
289 | ax = axs->axs_ax; | |||
290 | if (useerrno) | |||
291 | agentx_log("[fd:%d sess:%u ctx:%s]: %s: %s", | |||
292 | ax->ax_fd, axs->axs_id, AGENTX_CONTEXT_NAME(axc)(axc->axc_name_default ? "<default>" : (char *)axc-> axc_name.aos_string), | |||
293 | buf, strerror(errno(*__errno()))); | |||
294 | else | |||
295 | agentx_log("[fd:%d sess:%u ctx:%s]: %s", ax->ax_fd, | |||
296 | axs->axs_id, AGENTX_CONTEXT_NAME(axc)(axc->axc_name_default ? "<default>" : (char *)axc-> axc_name.aos_string), buf); | |||
297 | } else if (axs
| |||
298 | ax = axs->axs_ax; | |||
299 | if (useerrno) | |||
300 | agentx_log("[fd:%d sess:%u]: %s: %s", ax->ax_fd, | |||
301 | axs->axs_id, buf, strerror(errno(*__errno()))); | |||
302 | else | |||
303 | agentx_log("[fd:%d sess:%u]: %s", ax->ax_fd, | |||
304 | axs->axs_id, buf); | |||
305 | } else if (ax->ax_fd == -1) { | |||
| ||||
306 | if (useerrno) | |||
307 | agentx_log("%s: %s", buf, strerror(errno(*__errno()))); | |||
308 | else | |||
309 | agentx_log("%s", buf); | |||
310 | } else { | |||
311 | if (useerrno) | |||
312 | agentx_log("[fd:%d]: %s: %s", ax->ax_fd, buf, | |||
313 | strerror(errno(*__errno()))); | |||
314 | else | |||
315 | agentx_log("[fd:%d]: %s", ax->ax_fd, buf); | |||
316 | } | |||
317 | } |