Annotation of embedaddon/quagga/tests/test-commands.c, revision 1.1.1.1
1.1 misho 1: /*
2: * Test code for lib/command.c
3: *
4: * Copyright (C) 2013 by Open Source Routing.
5: * Copyright (C) 2013 by Internet Systems Consortium, Inc. ("ISC")
6: *
7: * This program reads in a list of commandlines from stdin
8: * and calls all the public functions of lib/command.c for
9: * both the given command lines and fuzzed versions thereof.
10: *
11: * The output is currently not validated but only logged. It can
12: * be diffed to find regressions between versions.
13: *
14: * Quagga is free software; you can redistribute it and/or modify it
15: * under the terms of the GNU General Public License as published by the
16: * Free Software Foundation; either version 2, or (at your option) any
17: * later version.
18: *
19: * Quagga is distributed in the hope that it will be useful, but
20: * WITHOUT ANY WARRANTY; without even the implied warranty of
21: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22: * General Public License for more details.
23: *
24: * You should have received a copy of the GNU General Public License
25: * along with Quagga; see the file COPYING. If not, write to the Free
26: * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
27: * 02111-1307, USA.
28: */
29:
30: #define REALLY_NEED_PLAIN_GETOPT 1
31:
32: #include <zebra.h>
33:
34: #include <stdio.h>
35: #include <stdlib.h>
36: #include <unistd.h>
37:
38: #include "command.h"
39: #include "memory.h"
40: #include "vector.h"
41: #include "prng.h"
42:
43: extern vector cmdvec;
44: extern struct cmd_node vty_node;
45: extern void test_init_cmd(void); /* provided in test-commands-defun.c */
46:
47: struct thread_master *master; /* dummy for libzebra*/
48:
49: static vector test_cmds;
50: static char test_buf[32768];
51:
52: static struct cmd_node bgp_node =
53: {
54: BGP_NODE,
55: "%s(config-router)# ",
56: };
57:
58: static struct cmd_node rip_node =
59: {
60: RIP_NODE,
61: "%s(config-router)# ",
62: };
63:
64: static struct cmd_node isis_node =
65: {
66: ISIS_NODE,
67: "%s(config-router)# ",
68: };
69:
70: static struct cmd_node interface_node =
71: {
72: INTERFACE_NODE,
73: "%s(config-if)# ",
74: };
75:
76: static struct cmd_node rmap_node =
77: {
78: RMAP_NODE,
79: "%s(config-route-map)# "
80: };
81:
82: static struct cmd_node zebra_node =
83: {
84: ZEBRA_NODE,
85: "%s(config-router)# "
86: };
87:
88: static struct cmd_node bgp_vpnv4_node =
89: {
90: BGP_VPNV4_NODE,
91: "%s(config-router-af)# "
92: };
93:
94: static struct cmd_node bgp_ipv4_node =
95: {
96: BGP_IPV4_NODE,
97: "%s(config-router-af)# "
98: };
99:
100: static struct cmd_node bgp_ipv4m_node =
101: {
102: BGP_IPV4M_NODE,
103: "%s(config-router-af)# "
104: };
105:
106: static struct cmd_node bgp_ipv6_node =
107: {
108: BGP_IPV6_NODE,
109: "%s(config-router-af)# "
110: };
111:
112: static struct cmd_node bgp_ipv6m_node =
113: {
114: BGP_IPV6M_NODE,
115: "%s(config-router-af)# "
116: };
117:
118: static struct cmd_node ospf_node =
119: {
120: OSPF_NODE,
121: "%s(config-router)# "
122: };
123:
124: static struct cmd_node ripng_node =
125: {
126: RIPNG_NODE,
127: "%s(config-router)# "
128: };
129:
130: static struct cmd_node ospf6_node =
131: {
132: OSPF6_NODE,
133: "%s(config-ospf6)# "
134: };
135:
136: static struct cmd_node babel_node =
137: {
138: BABEL_NODE,
139: "%s(config-babel)# "
140: };
141:
142: static struct cmd_node keychain_node =
143: {
144: KEYCHAIN_NODE,
145: "%s(config-keychain)# "
146: };
147:
148: static struct cmd_node keychain_key_node =
149: {
150: KEYCHAIN_KEY_NODE,
151: "%s(config-keychain-key)# "
152: };
153:
154: static int
155: test_callback(struct cmd_element *cmd, struct vty *vty, int argc, const char *argv[])
156: {
157: int offset;
158: int rv;
159: int i;
160:
161: offset = 0;
162: rv = snprintf(test_buf, sizeof(test_buf), "'%s'", cmd->string);
163: if (rv < 0)
164: abort();
165:
166: offset += rv;
167:
168: for (i = 0; i < argc; i++)
169: {
170: rv = snprintf(test_buf + offset, sizeof(test_buf) - offset, "%s'%s'",
171: (i == 0) ? ": " : ", ", argv[i]);
172: if (rv < 0)
173: abort();
174: offset += rv;
175: }
176:
177: return CMD_SUCCESS;
178: }
179:
180: static void
181: test_load(void)
182: {
183: char line[4096];
184:
185: test_cmds = vector_init(VECTOR_MIN_SIZE);
186:
187: while (fgets(line, sizeof(line), stdin) != NULL)
188: {
189: if (strlen(line))
190: line[strlen(line) - 1] = '\0';
191: if (line[0] == '#')
192: continue;
193: vector_set(test_cmds, XSTRDUP(MTYPE_STRVEC, line));
194: }
195: }
196:
197: static void
198: test_init(void)
199: {
200: unsigned int node;
201: unsigned int i;
202: struct cmd_node *cnode;
203: struct cmd_element *cmd;
204:
205: cmd_init(1);
206:
207: install_node (&bgp_node, NULL);
208: install_node (&rip_node, NULL);
209: install_node (&interface_node, NULL);
210: install_node (&rmap_node, NULL);
211: install_node (&zebra_node, NULL);
212: install_node (&bgp_vpnv4_node, NULL);
213: install_node (&bgp_ipv4_node, NULL);
214: install_node (&bgp_ipv4m_node, NULL);
215: install_node (&bgp_ipv6_node, NULL);
216: install_node (&bgp_ipv6m_node, NULL);
217: install_node (&ospf_node, NULL);
218: install_node (&ripng_node, NULL);
219: install_node (&ospf6_node, NULL);
220: install_node (&babel_node, NULL);
221: install_node (&keychain_node, NULL);
222: install_node (&keychain_key_node, NULL);
223: install_node (&isis_node, NULL);
224: install_node (&vty_node, NULL);
225:
226: test_init_cmd();
227:
228: for (node = 0; node < vector_active(cmdvec); node++)
229: if ((cnode = vector_slot(cmdvec, node)) != NULL)
230: for (i = 0; i < vector_active(cnode->cmd_vector); i++)
231: if ((cmd = vector_slot(cnode->cmd_vector, i)) != NULL)
232: {
233: cmd->daemon = 0;
234: cmd->func = test_callback;
235: }
236: test_load();
237: vty_init_vtysh();
238: }
239:
240: static void
241: test_terminate(void)
242: {
243: unsigned int i;
244:
245: vty_terminate();
246: for (i = 0; i < vector_active(test_cmds); i++)
247: XFREE(MTYPE_STRVEC, vector_slot(test_cmds, i));
248: vector_free(test_cmds);
249: cmd_terminate();
250: }
251:
252: static void
253: test_run(struct prng *prng, struct vty *vty, const char *cmd, unsigned int edit_dist, unsigned int node_index, int verbose)
254: {
255: const char *test_str;
256: vector vline;
257: int ret;
258: unsigned int i;
259: char **completions;
260: unsigned int j;
261: struct cmd_node *cnode;
262: vector descriptions;
263: int appended_null;
264: int no_match;
265:
266: test_str = prng_fuzz(prng, cmd, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_:. /", edit_dist);
267: vline = cmd_make_strvec(test_str);
268:
269: if (vline == NULL)
270: return;
271:
272: appended_null = 0;
273: for (i = 0; i < vector_active(cmdvec); i++)
274: if ((cnode = vector_slot(cmdvec, i)) != NULL)
275: {
276: if (node_index != (unsigned int)-1 && i != node_index)
277: continue;
278:
279: if (appended_null)
280: {
281: vector_unset(vline, vector_active(vline) - 1);
282: appended_null = 0;
283: }
284: vty->node = cnode->node;
285: test_buf[0] = '\0';
286: ret = cmd_execute_command(vline, vty, NULL, 0);
287: no_match = (ret == CMD_ERR_NO_MATCH);
288: if (verbose || !no_match)
289: printf("execute relaxed '%s'@%d: rv==%d%s%s\n",
290: test_str,
291: cnode->node,
292: ret,
293: (test_buf[0] != '\0') ? ", " : "",
294: test_buf);
295:
296: vty->node = cnode->node;
297: test_buf[0] = '\0';
298: ret = cmd_execute_command_strict(vline, vty, NULL);
299: if (verbose || !no_match)
300: printf("execute strict '%s'@%d: rv==%d%s%s\n",
301: test_str,
302: cnode->node,
303: ret,
304: (test_buf[0] != '\0') ? ", " : "",
305: test_buf);
306:
307: if (isspace((int) test_str[strlen(test_str) - 1]))
308: {
309: vector_set (vline, NULL);
310: appended_null = 1;
311: }
312:
313: vty->node = cnode->node;
314: completions = cmd_complete_command(vline, vty, &ret);
315: if (verbose || !no_match)
316: printf("complete '%s'@%d: rv==%d\n",
317: test_str,
318: cnode->node,
319: ret);
320: if (completions != NULL)
321: {
322: for (j = 0; completions[j] != NULL; j++)
323: {
324: printf(" '%s'\n", completions[j]);
325: XFREE(MTYPE_TMP, completions[j]);
326: }
327: XFREE(MTYPE_VECTOR_INDEX, completions);
328: }
329:
330: vty->node = cnode->node;
331: descriptions = cmd_describe_command(vline, vty, &ret);
332: if (verbose || !no_match)
333: printf("describe '%s'@%d: rv==%d\n",
334: test_str,
335: cnode->node,
336: ret);
337: if (descriptions != NULL)
338: {
339: for (j = 0; j < vector_active(descriptions); j++)
340: {
341: struct cmd_token *cmd = vector_slot(descriptions, j);
342: printf(" '%s' '%s'\n", cmd->cmd, cmd->desc);
343: }
344: vector_free(descriptions);
345: }
346: }
347: cmd_free_strvec(vline);
348: }
349:
350: int
351: main(int argc, char **argv)
352: {
353: int opt;
354: struct prng *prng;
355: struct vty *vty;
356: unsigned int edit_distance;
357: unsigned int max_edit_distance;
358: unsigned int node_index;
359: int verbose;
360: unsigned int test_cmd;
361: unsigned int iteration;
362: unsigned int num_iterations;
363:
364: max_edit_distance = 3;
365: node_index = -1;
366: verbose = 0;
367:
368: while ((opt = getopt(argc, argv, "e:n:v")) != -1)
369: {
370: switch (opt)
371: {
372: case 'e':
373: max_edit_distance = atoi(optarg);
374: break;
375: case 'n':
376: node_index = atoi(optarg);
377: break;
378: case 'v':
379: verbose++;
380: break;
381: default:
382: fprintf(stderr, "Usage: %s [-e <edit_dist>] [-n <node_idx>] [-v]\n", argv[0]);
383: exit(1);
384: break;
385: }
386: }
387:
388: test_init();
389: prng = prng_new(0);
390:
391: vty = vty_new();
392: vty->type = VTY_TERM;
393:
394: fprintf(stderr, "Progress:\n0/%u", vector_active(test_cmds));
395: for (test_cmd = 0; test_cmd < vector_active(test_cmds); test_cmd++)
396: {
397: for (edit_distance = 0;
398: edit_distance <= max_edit_distance;
399: edit_distance++)
400: {
401: num_iterations = 1 << edit_distance;
402: num_iterations *= num_iterations * num_iterations;
403:
404: for (iteration = 0; iteration < num_iterations; iteration++)
405: test_run(prng, vty, vector_slot(test_cmds, test_cmd), edit_distance, node_index, verbose);
406: }
407: fprintf(stderr, "\r%u/%u", test_cmd + 1, vector_active(test_cmds));
408: }
409: fprintf(stderr, "\nDone.\n");
410:
411: vty_close(vty);
412: prng_free(prng);
413: test_terminate();
414: return 0;
415: }
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