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-rw-r--r--plugins/check_by_ssh.c370
1 files changed, 205 insertions, 165 deletions
diff --git a/plugins/check_by_ssh.c b/plugins/check_by_ssh.c
index 2ac7805d..a43c0d34 100644
--- a/plugins/check_by_ssh.c
+++ b/plugins/check_by_ssh.c
@@ -32,48 +32,29 @@ const char *email = "devel@monitoring-plugins.org";
32 32
33#include "common.h" 33#include "common.h"
34#include "utils.h" 34#include "utils.h"
35#include "netutils.h"
36#include "utils_cmd.h" 35#include "utils_cmd.h"
36#include "check_by_ssh.d/config.h"
37#include "states.h"
37 38
38#ifndef NP_MAXARGS 39#ifndef NP_MAXARGS
39# define NP_MAXARGS 1024 40# define NP_MAXARGS 1024
40#endif 41#endif
41 42
42static int process_arguments(int /*argc*/, char ** /*argv*/); 43typedef struct {
43static int validate_arguments(void); 44 int errorcode;
44static void comm_append(const char * /*str*/); 45 check_by_ssh_config config;
46} check_by_ssh_config_wrapper;
47static check_by_ssh_config_wrapper process_arguments(int /*argc*/, char ** /*argv*/);
48static check_by_ssh_config_wrapper
49 validate_arguments(check_by_ssh_config_wrapper /*config_wrapper*/);
50
51static command_construct comm_append(command_construct /*cmd*/, const char * /*str*/);
45static void print_help(void); 52static void print_help(void);
46void print_usage(void); 53void print_usage(void);
47 54
48static unsigned int commands = 0;
49static unsigned int services = 0;
50static int skip_stdout = 0;
51static int skip_stderr = 0;
52static int warn_on_stderr = 0;
53static bool unknown_timeout = false;
54static char *remotecmd = NULL;
55static char **commargv = NULL;
56static int commargc = 0;
57static char *hostname = NULL;
58static char *outputfile = NULL;
59static char *host_shortname = NULL;
60static char **service;
61static bool passive = false;
62static bool verbose = false; 55static bool verbose = false;
63 56
64int main(int argc, char **argv) { 57int main(int argc, char **argv) {
65
66 char *status_text;
67 int cresult;
68 int result = STATE_UNKNOWN;
69 time_t local_time;
70 FILE *file_pointer = NULL;
71 output chld_out;
72 output chld_err;
73
74 remotecmd = "";
75 comm_append(SSH_COMMAND);
76
77 setlocale(LC_ALL, ""); 58 setlocale(LC_ALL, "");
78 bindtextdomain(PACKAGE, LOCALEDIR); 59 bindtextdomain(PACKAGE, LOCALEDIR);
79 textdomain(PACKAGE); 60 textdomain(PACKAGE);
@@ -81,11 +62,15 @@ int main(int argc, char **argv) {
81 /* Parse extra opts if any */ 62 /* Parse extra opts if any */
82 argv = np_extra_opts(&argc, argv, progname); 63 argv = np_extra_opts(&argc, argv, progname);
83 64
65 check_by_ssh_config_wrapper tmp_config = process_arguments(argc, argv);
66
84 /* process arguments */ 67 /* process arguments */
85 if (process_arguments(argc, argv) == ERROR) { 68 if (tmp_config.errorcode == ERROR) {
86 usage_va(_("Could not parse arguments")); 69 usage_va(_("Could not parse arguments"));
87 } 70 }
88 71
72 const check_by_ssh_config config = tmp_config.config;
73
89 /* Set signal handling and alarm timeout */ 74 /* Set signal handling and alarm timeout */
90 if (signal(SIGALRM, timeout_alarm_handler) == SIG_ERR) { 75 if (signal(SIGALRM, timeout_alarm_handler) == SIG_ERR) {
91 usage_va(_("Cannot catch SIGALRM")); 76 usage_va(_("Cannot catch SIGALRM"));
@@ -94,17 +79,20 @@ int main(int argc, char **argv) {
94 79
95 /* run the command */ 80 /* run the command */
96 if (verbose) { 81 if (verbose) {
97 printf("Command: %s\n", commargv[0]); 82 printf("Command: %s\n", config.cmd.commargv[0]);
98 for (int i = 1; i < commargc; i++) { 83 for (int i = 1; i < config.cmd.commargc; i++) {
99 printf("Argument %i: %s\n", i, commargv[i]); 84 printf("Argument %i: %s\n", i, config.cmd.commargv[i]);
100 } 85 }
101 } 86 }
102 87
103 result = cmd_run_array(commargv, &chld_out, &chld_err, 0); 88 output chld_out;
89 output chld_err;
90 mp_state_enum result = cmd_run_array(config.cmd.commargv, &chld_out, &chld_err, 0);
104 91
105 /* SSH returns 255 if connection attempt fails; include the first line of error output */ 92 /* SSH returns 255 if connection attempt fails; include the first line of error output */
106 if (result == 255 && unknown_timeout) { 93 if (result == 255 && config.unknown_timeout) {
107 printf(_("SSH connection failed: %s\n"), chld_err.lines > 0 ? chld_err.line[0] : "(no error output)"); 94 printf(_("SSH connection failed: %s\n"),
95 chld_err.lines > 0 ? chld_err.line[0] : "(no error output)");
108 return STATE_UNKNOWN; 96 return STATE_UNKNOWN;
109 } 97 }
110 98
@@ -117,31 +105,40 @@ int main(int argc, char **argv) {
117 } 105 }
118 } 106 }
119 107
120 if (skip_stdout == -1) { /* --skip-stdout specified without argument */ 108 size_t skip_stdout = 0;
109 if (config.skip_stdout == -1) { /* --skip-stdout specified without argument */
121 skip_stdout = chld_out.lines; 110 skip_stdout = chld_out.lines;
111 } else {
112 skip_stdout = config.skip_stdout;
122 } 113 }
123 if (skip_stderr == -1) { /* --skip-stderr specified without argument */ 114
115 size_t skip_stderr = 0;
116 if (config.skip_stderr == -1) { /* --skip-stderr specified without argument */
124 skip_stderr = chld_err.lines; 117 skip_stderr = chld_err.lines;
118 } else {
119 skip_stderr = config.skip_stderr;
125 } 120 }
126 121
127 /* UNKNOWN or worse if (non-skipped) output found on stderr */ 122 /* Allow UNKNOWN or WARNING state for (non-skipped) output found on stderr */
128 if (chld_err.lines > (size_t)skip_stderr) { 123 if (chld_err.lines > (size_t)skip_stderr && (config.unknown_on_stderr || config.warn_on_stderr)) {
129 printf(_("Remote command execution failed: %s\n"), chld_err.line[skip_stderr]); 124 printf(_("Remote command execution failed: %s\n"), chld_err.line[skip_stderr]);
130 if (warn_on_stderr) { 125 if (config.unknown_on_stderr) {
126 return max_state_alt(result, STATE_UNKNOWN);
127 } else if (config.warn_on_stderr) {
131 return max_state_alt(result, STATE_WARNING); 128 return max_state_alt(result, STATE_WARNING);
132 } 129 }
133 return max_state_alt(result, STATE_UNKNOWN);
134 } 130 }
135 131
136 /* this is simple if we're not supposed to be passive. 132 /* this is simple if we're not supposed to be passive.
137 * Wrap up quickly and keep the tricks below */ 133 * Wrap up quickly and keep the tricks below */
138 if (!passive) { 134 if (!config.passive) {
139 if (chld_out.lines > (size_t)skip_stdout) { 135 if (chld_out.lines > (size_t)skip_stdout) {
140 for (size_t i = skip_stdout; i < chld_out.lines; i++) { 136 for (size_t i = skip_stdout; i < chld_out.lines; i++) {
141 puts(chld_out.line[i]); 137 puts(chld_out.line[i]);
142 } 138 }
143 } else { 139 } else {
144 printf(_("%s - check_by_ssh: Remote command '%s' returned status %d\n"), state_text(result), remotecmd, result); 140 printf(_("%s - check_by_ssh: Remote command '%s' returned status %d\n"),
141 state_text(result), config.remotecmd, result);
145 } 142 }
146 return result; /* return error status from remote command */ 143 return result; /* return error status from remote command */
147 } 144 }
@@ -151,83 +148,95 @@ int main(int argc, char **argv) {
151 */ 148 */
152 149
153 /* process output */ 150 /* process output */
154 if (!(file_pointer = fopen(outputfile, "a"))) { 151 FILE *file_pointer = NULL;
155 printf(_("SSH WARNING: could not open %s\n"), outputfile); 152 if (!(file_pointer = fopen(config.outputfile, "a"))) {
153 printf(_("SSH WARNING: could not open %s\n"), config.outputfile);
156 exit(STATE_UNKNOWN); 154 exit(STATE_UNKNOWN);
157 } 155 }
158 156
159 local_time = time(NULL); 157 time_t local_time = time(NULL);
160 commands = 0; 158 unsigned int commands = 0;
159 char *status_text;
160 int cresult;
161 for (size_t i = skip_stdout; i < chld_out.lines; i++) { 161 for (size_t i = skip_stdout; i < chld_out.lines; i++) {
162 status_text = chld_out.line[i++]; 162 status_text = chld_out.line[i++];
163 if (i == chld_out.lines || strstr(chld_out.line[i], "STATUS CODE: ") == NULL) { 163 if (i == chld_out.lines || strstr(chld_out.line[i], "STATUS CODE: ") == NULL) {
164 die(STATE_UNKNOWN, _("%s: Error parsing output\n"), progname); 164 die(STATE_UNKNOWN, _("%s: Error parsing output\n"), progname);
165 } 165 }
166 166
167 if (service[commands] && status_text && sscanf(chld_out.line[i], "STATUS CODE: %d", &cresult) == 1) { 167 if (config.service[commands] && status_text &&
168 fprintf(file_pointer, "[%d] PROCESS_SERVICE_CHECK_RESULT;%s;%s;%d;%s\n", (int)local_time, host_shortname, service[commands++], 168 sscanf(chld_out.line[i], "STATUS CODE: %d", &cresult) == 1) {
169 cresult, status_text); 169 fprintf(file_pointer, "[%d] PROCESS_SERVICE_CHECK_RESULT;%s;%s;%d;%s\n",
170 (int)local_time, config.host_shortname, config.service[commands++], cresult,
171 status_text);
170 } 172 }
171 } 173 }
172 174
173 /* Multiple commands and passive checking should always return OK */ 175 /* Multiple commands and passive checking should always return OK */
174 return result; 176 exit(result);
175} 177}
176 178
177/* process command-line arguments */ 179/* process command-line arguments */
178int process_arguments(int argc, char **argv) { 180check_by_ssh_config_wrapper process_arguments(int argc, char **argv) {
179 int c; 181 static struct option longopts[] = {
180 char *p1; 182 {"version", no_argument, 0, 'V'},
181 char *p2; 183 {"help", no_argument, 0, 'h'},
182 184 {"verbose", no_argument, 0, 'v'},
183 int option = 0; 185 {"fork", no_argument, 0, 'f'},
184 static struct option longopts[] = {{"version", no_argument, 0, 'V'}, 186 {"timeout", required_argument, 0, 't'},
185 {"help", no_argument, 0, 'h'}, 187 {"unknown-timeout", no_argument, 0, 'U'},
186 {"verbose", no_argument, 0, 'v'}, 188 {"host", required_argument, 0, 'H'}, /* backward compatibility */
187 {"fork", no_argument, 0, 'f'}, 189 {"hostname", required_argument, 0, 'H'},
188 {"timeout", required_argument, 0, 't'}, 190 {"port", required_argument, 0, 'p'},
189 {"unknown-timeout", no_argument, 0, 'U'}, 191 {"output", required_argument, 0, 'O'},
190 {"host", required_argument, 0, 'H'}, /* backward compatibility */ 192 {"name", required_argument, 0, 'n'},
191 {"hostname", required_argument, 0, 'H'}, 193 {"services", required_argument, 0, 's'},
192 {"port", required_argument, 0, 'p'}, 194 {"identity", required_argument, 0, 'i'},
193 {"output", required_argument, 0, 'O'}, 195 {"user", required_argument, 0, 'u'}, /* backwards compatibility */
194 {"name", required_argument, 0, 'n'}, 196 {"logname", required_argument, 0, 'l'},
195 {"services", required_argument, 0, 's'}, 197 {"command", required_argument, 0, 'C'},
196 {"identity", required_argument, 0, 'i'}, 198 {"skip", optional_argument, 0, 'S'}, /* backwards compatibility */
197 {"user", required_argument, 0, 'u'}, 199 {"skip-stdout", optional_argument, 0, 'S'},
198 {"logname", required_argument, 0, 'l'}, 200 {"skip-stderr", optional_argument, 0, 'E'},
199 {"command", required_argument, 0, 'C'}, 201 {"unknown-on-stderr", no_argument, 0, 'e'},
200 {"skip", optional_argument, 0, 'S'}, /* backwards compatibility */ 202 {"warn-on-stderr", no_argument, 0, 'W'},
201 {"skip-stdout", optional_argument, 0, 'S'}, 203 {"proto1", no_argument, 0, '1'},
202 {"skip-stderr", optional_argument, 0, 'E'}, 204 {"proto2", no_argument, 0, '2'},
203 {"warn-on-stderr", no_argument, 0, 'W'}, 205 {"use-ipv4", no_argument, 0, '4'},
204 {"proto1", no_argument, 0, '1'}, 206 {"use-ipv6", no_argument, 0, '6'},
205 {"proto2", no_argument, 0, '2'}, 207 {"ssh-option", required_argument, 0, 'o'},
206 {"use-ipv4", no_argument, 0, '4'}, 208 {"quiet", no_argument, 0, 'q'},
207 {"use-ipv6", no_argument, 0, '6'}, 209 {"configfile", optional_argument, 0, 'F'},
208 {"ssh-option", required_argument, 0, 'o'}, 210 {0, 0, 0, 0}};
209 {"quiet", no_argument, 0, 'q'}, 211
210 {"configfile", optional_argument, 0, 'F'}, 212 check_by_ssh_config_wrapper result = {
211 {0, 0, 0, 0}}; 213 .errorcode = OK,
214 .config = check_by_ssh_config_init(),
215 };
212 216
213 if (argc < 2) { 217 if (argc < 2) {
214 return ERROR; 218 result.errorcode = ERROR;
219 return result;
215 } 220 }
216 221
217 for (c = 1; c < argc; c++) { 222 for (int index = 1; index < argc; index++) {
218 if (strcmp("-to", argv[c]) == 0) { 223 if (strcmp("-to", argv[index]) == 0) {
219 strcpy(argv[c], "-t"); 224 strcpy(argv[index], "-t");
220 } 225 }
221 } 226 }
222 227
223 while (1) { 228 result.config.cmd = comm_append(result.config.cmd, SSH_COMMAND);
224 c = getopt_long(argc, argv, "Vvh1246fqt:UH:O:p:i:u:l:C:S::E::n:s:o:F:", longopts, &option); 229
230 int option = 0;
231 while (true) {
232 int opt_index =
233 getopt_long(argc, argv, "Vvh1246fqt:UH:O:p:i:u:l:C:S::E::n:s:o:F:", longopts, &option);
225 234
226 if (c == -1 || c == EOF) { 235 if (opt_index == -1 || opt_index == EOF) {
227 break; 236 break;
228 } 237 }
229 238
230 switch (c) { 239 switch (opt_index) {
231 case 'V': /* version */ 240 case 'V': /* version */
232 print_revision(progname, NP_VERSION); 241 print_revision(progname, NP_VERSION);
233 exit(STATE_UNKNOWN); 242 exit(STATE_UNKNOWN);
@@ -245,169 +254,195 @@ int process_arguments(int argc, char **argv) {
245 } 254 }
246 break; 255 break;
247 case 'U': 256 case 'U':
248 unknown_timeout = true; 257 result.config.unknown_timeout = true;
249 break; 258 break;
250 case 'H': /* host */ 259 case 'H': /* host */
251 hostname = optarg; 260 result.config.hostname = optarg;
252 break; 261 break;
253 case 'p': /* port number */ 262 case 'p': /* port number */
254 if (!is_integer(optarg)) { 263 if (!is_integer(optarg)) {
255 usage_va(_("Port must be a positive integer")); 264 usage_va(_("Port must be a positive integer"));
256 } 265 }
257 comm_append("-p"); 266 result.config.cmd = comm_append(result.config.cmd, "-p");
258 comm_append(optarg); 267 result.config.cmd = comm_append(result.config.cmd, optarg);
259 break; 268 break;
260 case 'O': /* output file */ 269 case 'O': /* output file */
261 outputfile = optarg; 270 result.config.outputfile = optarg;
262 passive = true; 271 result.config.passive = true;
263 break; 272 break;
264 case 's': /* description of service to check */ 273 case 's': /* description of service to check */ {
274 char *p1;
275 char *p2;
276
265 p1 = optarg; 277 p1 = optarg;
266 service = realloc(service, (++services) * sizeof(char *)); 278 result.config.service = realloc(result.config.service,
279 (++result.config.number_of_services) * sizeof(char *));
267 while ((p2 = index(p1, ':'))) { 280 while ((p2 = index(p1, ':'))) {
268 *p2 = '\0'; 281 *p2 = '\0';
269 service[services - 1] = p1; 282 result.config.service[result.config.number_of_services - 1] = p1;
270 service = realloc(service, (++services) * sizeof(char *)); 283 result.config.service = realloc(
284 result.config.service, (++result.config.number_of_services) * sizeof(char *));
271 p1 = p2 + 1; 285 p1 = p2 + 1;
272 } 286 }
273 service[services - 1] = p1; 287 result.config.service[result.config.number_of_services - 1] = p1;
274 break; 288 break;
275 case 'n': /* short name of host in the monitoring configuration */ 289 case 'n': /* short name of host in the monitoring configuration */
276 host_shortname = optarg; 290 result.config.host_shortname = optarg;
277 break; 291 } break;
278
279 case 'u': 292 case 'u':
280 comm_append("-l"); 293 result.config.cmd = comm_append(result.config.cmd, "-l");
281 comm_append(optarg); 294 result.config.cmd = comm_append(result.config.cmd, optarg);
282 break; 295 break;
283 case 'l': /* login name */ 296 case 'l': /* login name */
284 comm_append("-l"); 297 result.config.cmd = comm_append(result.config.cmd, "-l");
285 comm_append(optarg); 298 result.config.cmd = comm_append(result.config.cmd, optarg);
286 break; 299 break;
287 case 'i': /* identity */ 300 case 'i': /* identity */
288 comm_append("-i"); 301 result.config.cmd = comm_append(result.config.cmd, "-i");
289 comm_append(optarg); 302 result.config.cmd = comm_append(result.config.cmd, optarg);
290 break; 303 break;
291 304
292 case '1': /* Pass these switches directly to ssh */ 305 case '1': /* Pass these switches directly to ssh */
293 comm_append("-1"); 306 result.config.cmd = comm_append(result.config.cmd, "-1");
294 break; 307 break;
295 case '2': /* 1 to force version 1, 2 to force version 2 */ 308 case '2': /* 1 to force version 1, 2 to force version 2 */
296 comm_append("-2"); 309 result.config.cmd = comm_append(result.config.cmd, "-2");
297 break; 310 break;
298 case '4': /* -4 for IPv4 */ 311 case '4': /* -4 for IPv4 */
299 comm_append("-4"); 312 result.config.cmd = comm_append(result.config.cmd, "-4");
300 break; 313 break;
301 case '6': /* -6 for IPv6 */ 314 case '6': /* -6 for IPv6 */
302 comm_append("-6"); 315 result.config.cmd = comm_append(result.config.cmd, "-6");
303 break; 316 break;
304 case 'f': /* fork to background */ 317 case 'f': /* fork to background */
305 comm_append("-f"); 318 result.config.cmd = comm_append(result.config.cmd, "-f");
306 break; 319 break;
307 case 'C': /* Command for remote machine */ 320 case 'C': /* Command for remote machine */
308 commands++; 321 result.config.commands++;
309 if (commands > 1) { 322 if (result.config.commands > 1) {
310 xasprintf(&remotecmd, "%s;echo STATUS CODE: $?;", remotecmd); 323 xasprintf(&result.config.remotecmd, "%s;echo STATUS CODE: $?;",
324 result.config.remotecmd);
311 } 325 }
312 xasprintf(&remotecmd, "%s%s", remotecmd, optarg); 326 xasprintf(&result.config.remotecmd, "%s%s", result.config.remotecmd, optarg);
313 break; 327 break;
314 case 'S': /* skip n (or all) lines on stdout */ 328 case 'S': /* skip n (or all) lines on stdout */
315 if (optarg == NULL) { 329 if (optarg == NULL) {
316 skip_stdout = -1; /* skip all output on stdout */ 330 result.config.skip_stdout = -1; /* skip all output on stdout */
317 } else if (!is_integer(optarg)) { 331 } else if (!is_integer(optarg)) {
318 usage_va(_("skip-stdout argument must be an integer")); 332 usage_va(_("skip-stdout argument must be an integer"));
319 } else { 333 } else {
320 skip_stdout = atoi(optarg); 334 result.config.skip_stdout = atoi(optarg);
321 } 335 }
322 break; 336 break;
323 case 'E': /* skip n (or all) lines on stderr */ 337 case 'E': /* skip n (or all) lines on stderr */
324 if (optarg == NULL) { 338 if (optarg == NULL) {
325 skip_stderr = -1; /* skip all output on stderr */ 339 result.config.skip_stderr = -1; /* skip all output on stderr */
326 } else if (!is_integer(optarg)) { 340 } else if (!is_integer(optarg)) {
327 usage_va(_("skip-stderr argument must be an integer")); 341 usage_va(_("skip-stderr argument must be an integer"));
328 } else { 342 } else {
329 skip_stderr = atoi(optarg); 343 result.config.skip_stderr = atoi(optarg);
330 } 344 }
331 break; 345 break;
346 case 'e': /* exit with unknown if there is an output on stderr */
347 result.config.unknown_on_stderr = true;
348 break;
332 case 'W': /* exit with warning if there is an output on stderr */ 349 case 'W': /* exit with warning if there is an output on stderr */
333 warn_on_stderr = 1; 350 result.config.warn_on_stderr = true;
334 break; 351 break;
335 case 'o': /* Extra options for the ssh command */ 352 case 'o': /* Extra options for the ssh command */
336 comm_append("-o"); 353 result.config.cmd = comm_append(result.config.cmd, "-o");
337 comm_append(optarg); 354 result.config.cmd = comm_append(result.config.cmd, optarg);
338 break; 355 break;
339 case 'q': /* Tell the ssh command to be quiet */ 356 case 'q': /* Tell the ssh command to be quiet */
340 comm_append("-q"); 357 result.config.cmd = comm_append(result.config.cmd, "-q");
341 break; 358 break;
342 case 'F': /* ssh configfile */ 359 case 'F': /* ssh configfile */
343 comm_append("-F"); 360 result.config.cmd = comm_append(result.config.cmd, "-F");
344 comm_append(optarg); 361 result.config.cmd = comm_append(result.config.cmd, optarg);
345 break; 362 break;
346 default: /* help */ 363 default: /* help */
347 usage5(); 364 usage5();
348 } 365 }
349 } 366 }
350 367
351 c = optind; 368 int c = optind;
352 if (hostname == NULL) { 369 if (result.config.hostname == NULL) {
353 if (c <= argc) { 370 if (c <= argc) {
354 die(STATE_UNKNOWN, _("%s: You must provide a host name\n"), progname); 371 die(STATE_UNKNOWN, _("%s: You must provide a host name\n"), progname);
355 } 372 }
356 hostname = argv[c++]; 373 result.config.hostname = argv[c++];
357 } 374 }
358 375
359 if (strlen(remotecmd) == 0) { 376 if (strlen(result.config.remotecmd) == 0) {
360 for (; c < argc; c++) { 377 for (; c < argc; c++) {
361 if (strlen(remotecmd) > 0) { 378 if (strlen(result.config.remotecmd) > 0) {
362 xasprintf(&remotecmd, "%s %s", remotecmd, argv[c]); 379 xasprintf(&result.config.remotecmd, "%s %s", result.config.remotecmd, argv[c]);
363 } else { 380 } else {
364 xasprintf(&remotecmd, "%s", argv[c]); 381 xasprintf(&result.config.remotecmd, "%s", argv[c]);
365 } 382 }
366 } 383 }
367 } 384 }
368 385
369 if (commands > 1 || passive) { 386 if (result.config.commands > 1 || result.config.passive) {
370 xasprintf(&remotecmd, "%s;echo STATUS CODE: $?;", remotecmd); 387 xasprintf(&result.config.remotecmd, "%s;echo STATUS CODE: $?;", result.config.remotecmd);
371 } 388 }
372 389
373 if (remotecmd == NULL || strlen(remotecmd) <= 1) { 390 if (result.config.remotecmd == NULL || strlen(result.config.remotecmd) <= 1) {
374 usage_va(_("No remotecmd")); 391 usage_va(_("No remotecmd"));
375 } 392 }
376 393
377 comm_append(hostname); 394 result.config.cmd = comm_append(result.config.cmd, result.config.hostname);
378 comm_append(remotecmd); 395 result.config.cmd = comm_append(result.config.cmd, result.config.remotecmd);
379 396
380 return validate_arguments(); 397 return validate_arguments(result);
381} 398}
382 399
383void comm_append(const char *str) { 400command_construct comm_append(command_construct cmd, const char *str) {
401
402 if (verbose) {
403 for (int i = 0; i < cmd.commargc; i++) {
404 printf("Current command: [%i] %s\n", i, cmd.commargv[i]);
405 }
384 406
385 if (++commargc > NP_MAXARGS) { 407 printf("Appending: %s\n", str);
408 }
409
410 if (++cmd.commargc > NP_MAXARGS) {
386 die(STATE_UNKNOWN, _("%s: Argument limit of %d exceeded\n"), progname, NP_MAXARGS); 411 die(STATE_UNKNOWN, _("%s: Argument limit of %d exceeded\n"), progname, NP_MAXARGS);
387 } 412 }
388 413
389 if ((commargv = (char **)realloc(commargv, (commargc + 1) * sizeof(char *))) == NULL) { 414 if ((cmd.commargv = (char **)realloc(cmd.commargv, (cmd.commargc + 1) * sizeof(char *))) ==
415 NULL) {
390 die(STATE_UNKNOWN, _("Can not (re)allocate 'commargv' buffer\n")); 416 die(STATE_UNKNOWN, _("Can not (re)allocate 'commargv' buffer\n"));
391 } 417 }
392 418
393 commargv[commargc - 1] = strdup(str); 419 cmd.commargv[cmd.commargc - 1] = strdup(str);
394 commargv[commargc] = NULL; 420 cmd.commargv[cmd.commargc] = NULL;
421
422 return cmd;
395} 423}
396 424
397int validate_arguments(void) { 425check_by_ssh_config_wrapper validate_arguments(check_by_ssh_config_wrapper config_wrapper) {
398 if (remotecmd == NULL || hostname == NULL) { 426 if (config_wrapper.config.remotecmd == NULL || config_wrapper.config.hostname == NULL) {
399 return ERROR; 427 config_wrapper.errorcode = ERROR;
428 return config_wrapper;
400 } 429 }
401 430
402 if (passive && commands != services) { 431 if (config_wrapper.config.passive &&
403 die(STATE_UNKNOWN, _("%s: In passive mode, you must provide a service name for each command.\n"), progname); 432 config_wrapper.config.commands != config_wrapper.config.number_of_services) {
433 die(STATE_UNKNOWN,
434 _("%s: In passive mode, you must provide a service name for each command.\n"),
435 progname);
404 } 436 }
405 437
406 if (passive && host_shortname == NULL) { 438 if (config_wrapper.config.passive && config_wrapper.config.host_shortname == NULL) {
407 die(STATE_UNKNOWN, _("%s: In passive mode, you must provide the host short name from the monitoring configs.\n"), progname); 439 die(STATE_UNKNOWN,
440 _("%s: In passive mode, you must provide the host short name from the monitoring "
441 "configs.\n"),
442 progname);
408 } 443 }
409 444
410 return OK; 445 return config_wrapper;
411} 446}
412 447
413void print_help(void) { 448void print_help(void) {
@@ -438,10 +473,13 @@ void print_help(void) {
438 printf(" %s\n", _("Ignore all or (if specified) first n lines on STDOUT [optional]")); 473 printf(" %s\n", _("Ignore all or (if specified) first n lines on STDOUT [optional]"));
439 printf(" %s\n", "-E, --skip-stderr[=n]"); 474 printf(" %s\n", "-E, --skip-stderr[=n]");
440 printf(" %s\n", _("Ignore all or (if specified) first n lines on STDERR [optional]")); 475 printf(" %s\n", _("Ignore all or (if specified) first n lines on STDERR [optional]"));
441 printf(" %s\n", "-W, --warn-on-stderr]"); 476 printf(" %s\n", "-e, --unknown-on-stderr");
442 printf(" %s\n", _("Exit with an warning, if there is an output on STDERR")); 477 printf(" %s\n", _("Exit with UNKNOWN, if there is output on STDERR"));
478 printf(" %s\n", "-W, --warn-on-stderr");
479 printf(" %s\n", _("Exit with WARNING, if there is output on STDERR"));
443 printf(" %s\n", "-f"); 480 printf(" %s\n", "-f");
444 printf(" %s\n", _("tells ssh to fork rather than create a tty [optional]. This will always return OK if ssh is executed")); 481 printf(" %s\n", _("tells ssh to fork rather than create a tty [optional]. This will always "
482 "return OK if ssh is executed"));
445 printf(" %s\n", "-C, --command='COMMAND STRING'"); 483 printf(" %s\n", "-C, --command='COMMAND STRING'");
446 printf(" %s\n", _("command to execute on the remote machine")); 484 printf(" %s\n", _("command to execute on the remote machine"));
447 printf(" %s\n", "-l, --logname=USERNAME"); 485 printf(" %s\n", "-l, --logname=USERNAME");
@@ -477,7 +515,9 @@ void print_help(void) {
477 printf(" %s\n", _("all of -O, -s, and -n options (servicelist order must match '-C'options)")); 515 printf(" %s\n", _("all of -O, -s, and -n options (servicelist order must match '-C'options)"));
478 printf("\n"); 516 printf("\n");
479 printf("%s\n", _("Examples:")); 517 printf("%s\n", _("Examples:"));
480 printf(" %s\n", "$ check_by_ssh -H localhost -n lh -s c1:c2:c3 -C uptime -C uptime -C uptime -O /tmp/foo"); 518 printf(
519 " %s\n",
520 "$ check_by_ssh -H localhost -n lh -s c1:c2:c3 -C uptime -C uptime -C uptime -O /tmp/foo");
481 printf(" %s\n", "$ cat /tmp/foo"); 521 printf(" %s\n", "$ cat /tmp/foo");
482 printf(" %s\n", "[1080933700] PROCESS_SERVICE_CHECK_RESULT;flint;c1;0; up 2 days"); 522 printf(" %s\n", "[1080933700] PROCESS_SERVICE_CHECK_RESULT;flint;c1;0; up 2 days");
483 printf(" %s\n", "[1080933700] PROCESS_SERVICE_CHECK_RESULT;flint;c2;0; up 2 days"); 523 printf(" %s\n", "[1080933700] PROCESS_SERVICE_CHECK_RESULT;flint;c2;0; up 2 days");
@@ -489,7 +529,7 @@ void print_help(void) {
489void print_usage(void) { 529void print_usage(void) {
490 printf("%s\n", _("Usage:")); 530 printf("%s\n", _("Usage:"));
491 printf(" %s -H <host> -C <command> [-fqvU] [-1|-2] [-4|-6]\n" 531 printf(" %s -H <host> -C <command> [-fqvU] [-1|-2] [-4|-6]\n"
492 " [-S [lines]] [-E [lines]] [-W] [-t timeout] [-i identity]\n" 532 " [-S [lines]] [-E [lines]] [-e|-W] [-t timeout] [-i identity]\n"
493 " [-l user] [-n name] [-s servicelist] [-O outputfile]\n" 533 " [-l user] [-n name] [-s servicelist] [-O outputfile]\n"
494 " [-p port] [-o ssh-option] [-F configfile]\n", 534 " [-p port] [-o ssh-option] [-F configfile]\n",
495 progname); 535 progname);