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63371d1e DG |
1 | /* |
2 | * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * as published by the Free Software Foundation; only version 2 | |
7 | * of the License. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
19 | #define _GNU_SOURCE | |
20 | #include <assert.h> | |
21 | #include <errno.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <unistd.h> | |
26 | #include <time.h> | |
6df2e2c9 | 27 | #include <sys/types.h> |
63371d1e | 28 | |
54d01ffb | 29 | #include <lttng-sessiond-comm.h> |
f6a9efaa | 30 | |
32258573 | 31 | #include <lttng-sessiond/session.h> |
897b8e23 | 32 | #include "utils.h" |
63371d1e DG |
33 | |
34 | #define SESSION1 "test1" | |
35 | ||
36 | /* This path will NEVER be created in this test */ | |
37 | #define PATH1 "/tmp/.test-junk-lttng" | |
38 | ||
39 | #define MAX_SESSIONS 10000 | |
40 | ||
41 | /* | |
42 | * String of 263 caracters. NAME_MAX + "OVERFLOW". If OVERFLOW appears in the | |
43 | * session name, we have a problem. | |
44 | * | |
45 | * NAME_MAX = 255 | |
46 | */ | |
47 | #define OVERFLOW_SESSION_NAME \ | |
48 | "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd" \ | |
49 | "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd" \ | |
50 | "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd" \ | |
51 | "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabc" \ | |
52 | "OVERFLOW" | |
53 | ||
54 | static struct ltt_session_list *session_list; | |
55 | ||
56 | /* For lttngerr.h */ | |
57 | int opt_quiet = 1; | |
58 | int opt_verbose = 0; | |
59 | ||
60 | static const char alphanum[] = | |
61 | "0123456789" | |
62 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
63 | "abcdefghijklmnopqrstuvwxyz"; | |
64 | ||
65 | /* | |
66 | * Return random string of 10 characters. | |
67 | */ | |
68 | static char *get_random_string(void) | |
69 | { | |
70 | int i; | |
71 | char *str = malloc(11); | |
72 | ||
73 | for (i = 0; i < 10; i++) { | |
74 | str[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
75 | } | |
76 | ||
77 | str[10] = '\0'; | |
78 | ||
79 | return str; | |
80 | } | |
81 | ||
82 | /* | |
83 | * Return 0 if session name is found, else -1 | |
84 | */ | |
85 | static int find_session_name(char *name) | |
86 | { | |
87 | struct ltt_session *iter; | |
88 | ||
89 | cds_list_for_each_entry(iter, &session_list->head, list) { | |
90 | if (strcmp(iter->name, name) == 0) { | |
91 | return 0; | |
92 | } | |
93 | } | |
94 | ||
95 | return -1; | |
96 | } | |
97 | ||
98 | /* | |
99 | * Empty session list manually. | |
100 | */ | |
101 | static void empty_session_list(void) | |
102 | { | |
103 | struct ltt_session *iter, *tmp; | |
104 | ||
105 | cds_list_for_each_entry_safe(iter, tmp, &session_list->head, list) { | |
106 | cds_list_del(&iter->list); | |
107 | session_list->count--; | |
108 | free(iter); | |
109 | } | |
110 | ||
111 | /* Session list must be 0 */ | |
112 | assert(!session_list->count); | |
113 | } | |
114 | ||
115 | /* | |
116 | * Test creation of 1 session | |
117 | */ | |
118 | static int create_one_session(char *name, char *path) | |
119 | { | |
120 | int ret; | |
121 | ||
6df2e2c9 | 122 | ret = session_create(name, path, geteuid(), getegid()); |
54d01ffb | 123 | if (ret == LTTCOMM_OK) { |
63371d1e DG |
124 | /* Validate */ |
125 | ret = find_session_name(name); | |
126 | if (ret < 0) { | |
127 | /* Session not found by name */ | |
128 | printf("session not found after creation\n"); | |
129 | return -1; | |
130 | } else { | |
131 | /* Success */ | |
132 | return 0; | |
133 | } | |
54d01ffb DG |
134 | } else { |
135 | if (ret == LTTCOMM_EXIST_SESS) { | |
63371d1e DG |
136 | printf("(session already exists) "); |
137 | } | |
138 | return -1; | |
139 | } | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
144 | /* | |
145 | * Test deletion of 1 session | |
146 | */ | |
271933a4 | 147 | static int destroy_one_session(struct ltt_session *session) |
63371d1e DG |
148 | { |
149 | int ret; | |
150 | ||
271933a4 | 151 | ret = session_destroy(session); |
54d01ffb DG |
152 | |
153 | if (ret == LTTCOMM_OK) { | |
63371d1e | 154 | /* Validate */ |
271933a4 DG |
155 | if (session == NULL) { |
156 | return 0; | |
157 | } | |
158 | ret = find_session_name(session->name); | |
63371d1e DG |
159 | if (ret < 0) { |
160 | /* Success, -1 means that the sesion is NOT found */ | |
161 | return 0; | |
162 | } else { | |
163 | /* Fail */ | |
164 | return -1; | |
165 | } | |
63371d1e DG |
166 | } |
167 | ||
168 | return 0; | |
169 | } | |
170 | ||
171 | static int fuzzing_create_args(void) | |
172 | { | |
173 | int ret; | |
174 | ||
175 | ret = create_one_session(NULL, NULL); | |
54d01ffb | 176 | if (ret > 0) { |
63371d1e DG |
177 | printf("Session created with (null),(null)\n"); |
178 | return -1; | |
179 | } | |
180 | ||
181 | ret = create_one_session(NULL, PATH1); | |
54d01ffb | 182 | if (ret > 0) { |
63371d1e DG |
183 | printf("Session created with (null), %s)\n", PATH1); |
184 | return -1; | |
185 | } | |
186 | ||
187 | ret = create_one_session(SESSION1, NULL); | |
54d01ffb | 188 | if (ret > 0) { |
63371d1e DG |
189 | printf("Session created with %s, (null)\n", SESSION1); |
190 | return -1; | |
191 | } | |
192 | ||
193 | /* Session list must be 0 */ | |
194 | assert(!session_list->count); | |
195 | ||
196 | return 0; | |
197 | } | |
198 | ||
199 | static int fuzzing_destroy_args(void) | |
200 | { | |
201 | int ret; | |
202 | ||
203 | ret = destroy_one_session(NULL); | |
54d01ffb | 204 | if (ret > 0) { |
63371d1e DG |
205 | printf("Session destroyed with (null)\n"); |
206 | return -1; | |
207 | } | |
208 | ||
63371d1e DG |
209 | /* Session list must be 0 */ |
210 | assert(!session_list->count); | |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
215 | /* | |
216 | * This test is supposed to fail at the second create call. If so, return 0 for | |
217 | * test success, else -1. | |
218 | */ | |
219 | static int two_session_same_name(void) | |
220 | { | |
221 | int ret; | |
222 | ||
223 | ret = create_one_session(SESSION1, PATH1); | |
224 | if (ret < 0) { | |
225 | /* Fail */ | |
226 | return -1; | |
227 | } | |
228 | ||
229 | ret = create_one_session(SESSION1, PATH1); | |
230 | if (ret < 0) { | |
231 | /* Success */ | |
232 | return 0; | |
233 | } | |
234 | ||
235 | /* Fail */ | |
236 | return -1; | |
237 | } | |
238 | ||
239 | int main(int argc, char **argv) | |
240 | { | |
241 | int ret, i; | |
242 | char *tmp_name; | |
243 | struct ltt_session *iter, *tmp; | |
244 | ||
245 | srand(time(NULL)); | |
246 | ||
247 | printf("\nTesting Sessions:\n-----------\n"); | |
248 | ||
54d01ffb | 249 | session_list = session_get_list(); |
63371d1e DG |
250 | if (session_list == NULL) { |
251 | return -1; | |
252 | } | |
253 | ||
254 | printf("Create 1 session %s: ", SESSION1); | |
255 | ret = create_one_session(SESSION1, PATH1); | |
256 | if (ret < 0) { | |
257 | return -1; | |
258 | } | |
897b8e23 | 259 | PRINT_OK(); |
63371d1e DG |
260 | |
261 | printf("Validating created session %s: ", SESSION1); | |
54d01ffb | 262 | tmp = session_find_by_name(SESSION1); |
63371d1e DG |
263 | if (tmp == NULL) { |
264 | return -1; | |
265 | } | |
266 | /* Basic init session values */ | |
267 | assert(tmp->kernel_session == NULL); | |
63371d1e DG |
268 | assert(strlen(tmp->path)); |
269 | assert(strlen(tmp->name)); | |
54d01ffb DG |
270 | session_lock(tmp); |
271 | session_unlock(tmp); | |
63371d1e | 272 | |
897b8e23 | 273 | PRINT_OK(); |
63371d1e DG |
274 | |
275 | printf("Destroy 1 session %s: ", SESSION1); | |
271933a4 | 276 | ret = destroy_one_session(tmp); |
63371d1e DG |
277 | if (ret < 0) { |
278 | return -1; | |
279 | } | |
897b8e23 | 280 | PRINT_OK(); |
63371d1e DG |
281 | |
282 | printf("Two session with same name: "); | |
283 | ret = two_session_same_name(); | |
284 | if (ret < 0) { | |
285 | return -1; | |
286 | } | |
897b8e23 | 287 | PRINT_OK(); |
63371d1e DG |
288 | |
289 | empty_session_list(); | |
290 | ||
291 | printf("Fuzzing create_session arguments: "); | |
292 | ret = fuzzing_create_args(); | |
293 | if (ret < 0) { | |
294 | return -1; | |
295 | } | |
897b8e23 | 296 | PRINT_OK(); |
63371d1e DG |
297 | |
298 | printf("Fuzzing destroy_session argument: "); | |
299 | ret = fuzzing_destroy_args(); | |
300 | if (ret < 0) { | |
301 | return -1; | |
302 | } | |
897b8e23 | 303 | PRINT_OK(); |
63371d1e DG |
304 | |
305 | printf("Creating %d sessions: ", MAX_SESSIONS); | |
306 | for (i = 0; i < MAX_SESSIONS; i++) { | |
307 | tmp_name = get_random_string(); | |
308 | ret = create_one_session(tmp_name, PATH1); | |
309 | if (ret < 0) { | |
310 | printf("session %d (name: %s) creation failed\n", i, tmp_name); | |
311 | return -1; | |
312 | } | |
313 | free(tmp_name); | |
314 | } | |
897b8e23 | 315 | PRINT_OK(); |
63371d1e DG |
316 | |
317 | printf("Destroying %d sessions: ", MAX_SESSIONS); | |
318 | for (i = 0; i < MAX_SESSIONS; i++) { | |
319 | cds_list_for_each_entry_safe(iter, tmp, &session_list->head, list) { | |
271933a4 | 320 | ret = destroy_one_session(iter); |
63371d1e DG |
321 | if (ret < 0) { |
322 | printf("session %d (name: %s) creation failed\n", i, iter->name); | |
323 | return -1; | |
324 | } | |
325 | } | |
326 | } | |
897b8e23 | 327 | PRINT_OK(); |
63371d1e DG |
328 | |
329 | /* Session list must be 0 */ | |
330 | assert(!session_list->count); | |
331 | ||
332 | /* Success */ | |
333 | return 0; | |
334 | } |