dev/filemon/filemon_wrapper.c

42 static void filemon_output_event(struct filemon *filemon, const char *fmt, ...)
50 filemon_output(struct filemon *filemon, char *msg, size_t len)
56 	if (filemon->fp == NULL)
69 	if (filemon->fp->f_type == DTYPE_VNODE)
72 	error = fo_write(filemon->fp, &auio, filemon->cred, 0, curthread);
73 	if (error != 0 && filemon->error == 0)
74 		filemon->error = error;
78 filemon_output_event(struct filemon *filemon, const char *fmt, ...)
84 	len = vsnprintf(filemon->msgbufr, sizeof(filemon->msgbufr), fmt, ap);
87 	if (len >= sizeof(filemon->msgbufr))
88 		len = sizeof(filemon->msgbufr) - 1;
89 	filemon_output(filemon, filemon->msgbufr, len);
96 	struct filemon *filemon;
99 		if ((filemon = filemon_proc_get(curproc)) != NULL) {
100 			if ((error = copyinstr(uap->path, filemon->fname1,
101 			    sizeof(filemon->fname1), NULL)) != 0) {
102 				filemon->error = error;
106 			filemon_output_event(filemon, "C %d %s\n",
107 			    curproc->p_pid, filemon->fname1);
109 			filemon_drop(filemon);
120 	struct filemon *filemon;
122 	if ((filemon = filemon_proc_get(p)) != NULL) {
123 		filemon_output_event(filemon, "E %d %s\n",
130 		    priv_check_cred(filemon->cred, PRIV_DEBUG_DIFFCRED) != 0) {
136 				KASSERT(p->p_filemon == filemon,
138 				    " filemon %p", __func__, p, filemon));
144 		filemon_drop(filemon);
154 	struct filemon *filemon;
158 	if ((filemon = filemon_proc_get(curproc)) != NULL) {
163 		if ((error = copyinstr(upath, filemon->fname1,
164 		    sizeof(filemon->fname1), NULL)) != 0) {
165 			filemon->error = error;
169 		if (filemon->fname1[0] != '/' && fd != AT_FDCWD) {
178 			filemon_output_event(filemon, "A %d %s\n",
179 			    curproc->p_pid, filemon->fname1);
196 			filemon_output_event(filemon, "R %d %s%s%s\n",
198 			    atpath[0] != '\0' ? "/" : "", filemon->fname1);
201 		filemon_output_event(filemon, "%c %d %s%s%s\n",
204 		    atpath[0] != '\0' ? "/" : "", filemon->fname1);
206 		filemon_drop(filemon);
239 	struct filemon *filemon;
242 		if ((filemon = filemon_proc_get(curproc)) != NULL) {
243 			if (((error = copyinstr(uap->from, filemon->fname1,
244 			     sizeof(filemon->fname1), NULL)) != 0) ||
245 			    ((error = copyinstr(uap->to, filemon->fname2,
246 			     sizeof(filemon->fname2), NULL)) != 0)) {
247 				filemon->error = error;
251 			filemon_output_event(filemon, "M %d '%s' '%s'\n",
252 			    curproc->p_pid, filemon->fname1, filemon->fname2);
254 			filemon_drop(filemon);
265 	struct filemon *filemon;
268 	if ((filemon = filemon_proc_get(curproc)) != NULL) {
269 		if (((error = copyinstr(upath1, filemon->fname1,
270 		     sizeof(filemon->fname1), NULL)) != 0) ||
271 		    ((error = copyinstr(upath2, filemon->fname2,
272 		     sizeof(filemon->fname2), NULL)) != 0)) {
273 			filemon->error = error;
277 		filemon_output_event(filemon, "L %d '%s' '%s'\n",
278 		    curproc->p_pid, filemon->fname1, filemon->fname2);
280 		filemon_drop(filemon);
320 	struct filemon *filemon;
322 	if ((filemon = filemon_proc_get(p)) != NULL) {
323 		filemon_output_event(filemon, "X %d %d %d\n",
329 		 * filemon lock.
331 		KASSERT(p->p_filemon == NULL || p->p_filemon == filemon,
333 		    "filemon %p or NULL", __func__, p, filemon));
334 		if (p->p_filemon == filemon)
337 		filemon_drop(filemon);
345 	struct filemon *filemon;
348 		if ((filemon = filemon_proc_get(curproc)) != NULL) {
349 			if ((error = copyinstr(uap->path, filemon->fname1,
350 			    sizeof(filemon->fname1), NULL)) != 0) {
351 				filemon->error = error;
355 			filemon_output_event(filemon, "D %d %s\n",
356 			    curproc->p_pid, filemon->fname1);
358 			filemon_drop(filemon);
369 	struct filemon *filemon;
371 	if ((filemon = filemon_proc_get(p1)) != NULL) {
372 		filemon_output_event(filemon, "F %d %d\n",
379 		 * filemon lock.  Only inherit if the parent is still traced by
380 		 * this filemon.
382 		if (p1->p_filemon == filemon) {
386 			 * filemon.
389 				p2->p_filemon = filemon_acquire(filemon);
390 				++filemon->proccnt;
395 		filemon_drop(filemon);