1 0a04a7c0 2023-12-19 benni #define PLEDGENAMES
  2 0a04a7c0 2023-12-19 benni #include <sys/param.h>
  3 0a04a7c0 2023-12-19 benni #include <sys/sysctl.h>
  4 0a04a7c0 2023-12-19 benni #include <sys/proc.h>
  5 0a04a7c0 2023-12-19 benni #include <sys/file.h>
  6 0a04a7c0 2023-12-19 benni #include <sys/pledge.h>
  7 0a04a7c0 2023-12-19 benni 
  8 0a04a7c0 2023-12-19 benni #include <stdbool.h>
  9 0a04a7c0 2023-12-19 benni #include <assert.h>
 10 0a04a7c0 2023-12-19 benni #include <stdlib.h>
 11 0a04a7c0 2023-12-19 benni #include <string.h>
 12 0a04a7c0 2023-12-19 benni #include <limits.h>
 13 0a04a7c0 2023-12-19 benni #include <errno.h>
 14 0a04a7c0 2023-12-19 benni #include <fcntl.h>
 15 0a04a7c0 2023-12-19 benni #include <fuse.h>
 16 0a04a7c0 2023-12-19 benni #include <kvm.h>
 17 0a04a7c0 2023-12-19 benni #include <err.h>
 18 0a04a7c0 2023-12-19 benni 
 19 0a04a7c0 2023-12-19 benni // TODO: envv: not idx, but envar name
 20 0a04a7c0 2023-12-19 benni 
 21 0a04a7c0 2023-12-19 benni #define MY_KERN_PROC KERN_PROC_KTHREAD
 22 0a04a7c0 2023-12-19 benni 
 23 0a04a7c0 2023-12-19 benni static kvm_t *kd;
 24 0a04a7c0 2023-12-19 benni struct myfile {
 25 0a04a7c0 2023-12-19 benni 	const char *name;
 26 0a04a7c0 2023-12-19 benni 	int(*read)(struct kinfo_proc *, char *, size_t, off_t);
 27 0a04a7c0 2023-12-19 benni };
 28 0a04a7c0 2023-12-19 benni struct myfdfile {
 29 0a04a7c0 2023-12-19 benni 	const char *name;
 30 0a04a7c0 2023-12-19 benni 	int(*read)(struct kinfo_file *, char *, size_t, off_t);
 31 0a04a7c0 2023-12-19 benni };
 32 0a04a7c0 2023-12-19 benni 
 33 0a04a7c0 2023-12-19 benni #include "files.h"
 34 0a04a7c0 2023-12-19 benni 
 35 0a04a7c0 2023-12-19 benni enum path_type {
 36 0a04a7c0 2023-12-19 benni 	PATH_ROOT,
 37 0a04a7c0 2023-12-19 benni 	PATH_PID,
 38 0a04a7c0 2023-12-19 benni 	PATH_PID_FILE,
 39 0a04a7c0 2023-12-19 benni 	PATH_PID_ARGV,
 40 0a04a7c0 2023-12-19 benni 	PATH_PID_ARGV_NUM,
 41 0a04a7c0 2023-12-19 benni 	PATH_PID_ENVV,
 42 0a04a7c0 2023-12-19 benni 	PATH_PID_ENVV_NAME,
 43 0a04a7c0 2023-12-19 benni 	PATH_PID_FD,
 44 0a04a7c0 2023-12-19 benni 	PATH_PID_FD_NUM,
 45 0a04a7c0 2023-12-19 benni 	PATH_PID_FD_NUM_FILE,
 46 0a04a7c0 2023-12-19 benni };
 47 0a04a7c0 2023-12-19 benni 
 48 0a04a7c0 2023-12-19 benni struct path {
 49 0a04a7c0 2023-12-19 benni 	enum path_type type;
 50 0a04a7c0 2023-12-19 benni 	int pid;
 51 0a04a7c0 2023-12-19 benni 	int fd;
 52 0a04a7c0 2023-12-19 benni 	int num;
 53 0a04a7c0 2023-12-19 benni 	const char *file;
 54 0a04a7c0 2023-12-19 benni };
 55 0a04a7c0 2023-12-19 benni 
 56 0a04a7c0 2023-12-19 benni static int
 57 0a04a7c0 2023-12-19 benni parse_path(const char *path, struct path *p)
 58 0a04a7c0 2023-12-19 benni {
 59 0a04a7c0 2023-12-19 benni 	const char *suffix;
 60 0a04a7c0 2023-12-19 benni 	int num;
 61 0a04a7c0 2023-12-19 benni 
 62 0a04a7c0 2023-12-19 benni 	memset(p, 0, sizeof (*p));
 63 0a04a7c0 2023-12-19 benni 
 64 0a04a7c0 2023-12-19 benni 	if (strcmp(path, "/") == 0) {
 65 0a04a7c0 2023-12-19 benni 		p->type = PATH_ROOT;
 66 0a04a7c0 2023-12-19 benni 		return 0;
 67 0a04a7c0 2023-12-19 benni 	} else if (sscanf(path, "/%d%n", &p->pid, &num) == 1) {
 68 0a04a7c0 2023-12-19 benni 		suffix = path + num;
 69 0a04a7c0 2023-12-19 benni 
 70 0a04a7c0 2023-12-19 benni 		if (*suffix == '\0') {
 71 0a04a7c0 2023-12-19 benni 			p->type = PATH_PID;
 72 0a04a7c0 2023-12-19 benni 			return 0;
 73 0a04a7c0 2023-12-19 benni 		} else if (strncmp(suffix, "/argv", 5) == 0) {
 74 0a04a7c0 2023-12-19 benni 			suffix += 5;
 75 0a04a7c0 2023-12-19 benni 			if (*path == '\0') {
 76 0a04a7c0 2023-12-19 benni 				p->type = PATH_PID_ARGV;
 77 0a04a7c0 2023-12-19 benni 				return 0;
 78 0a04a7c0 2023-12-19 benni 			} else if (sscanf(suffix, "/%d%n", &p->num, &num) == 1) {
 79 0a04a7c0 2023-12-19 benni 				p->type = PATH_PID_ARGV_NUM;
 80 0a04a7c0 2023-12-19 benni 				return 0;
 81 0a04a7c0 2023-12-19 benni 			} else {
 82 0a04a7c0 2023-12-19 benni 				return -ENOENT;
 83 0a04a7c0 2023-12-19 benni 			}
 84 0a04a7c0 2023-12-19 benni 		} else if (strncmp(suffix, "/envv", 5) == 0) {
 85 0a04a7c0 2023-12-19 benni 			suffix += 5;
 86 0a04a7c0 2023-12-19 benni 			if (*path == '\0') {
 87 0a04a7c0 2023-12-19 benni 				p->type = PATH_PID_ENVV;
 88 0a04a7c0 2023-12-19 benni 				return 0;
 89 0a04a7c0 2023-12-19 benni 			} else if (strchr(suffix + 1, '/') == NULL) {
 90 0a04a7c0 2023-12-19 benni 				p->type = PATH_PID_ENVV_NAME;
 91 0a04a7c0 2023-12-19 benni 				p->file = suffix + 1;
 92 0a04a7c0 2023-12-19 benni 				return 0;
 93 0a04a7c0 2023-12-19 benni 			} else {
 94 0a04a7c0 2023-12-19 benni 				return -ENOENT;
 95 0a04a7c0 2023-12-19 benni 			}
 96 0a04a7c0 2023-12-19 benni 		} else if (strncmp(suffix, "/fd", 3) == 0) {
 97 0a04a7c0 2023-12-19 benni 			suffix += 3;
 98 0a04a7c0 2023-12-19 benni 			if (*path == '\0') {
 99 0a04a7c0 2023-12-19 benni 				p->type = PATH_PID_FD;
100 0a04a7c0 2023-12-19 benni 				return 0;
101 0a04a7c0 2023-12-19 benni 			} else if (sscanf(suffix, "/%d%n", &p->fd, &num) == 1) {
102 0a04a7c0 2023-12-19 benni 				suffix += num;
103 0a04a7c0 2023-12-19 benni 				if (*path == '\0') {
104 0a04a7c0 2023-12-19 benni 					p->type = PATH_PID_FD_NUM;
105 0a04a7c0 2023-12-19 benni 					return 0;
106 0a04a7c0 2023-12-19 benni 				} else {
107 0a04a7c0 2023-12-19 benni 					return -ENOENT;
108 0a04a7c0 2023-12-19 benni 				}
109 0a04a7c0 2023-12-19 benni 			} else {
110 0a04a7c0 2023-12-19 benni 				return -ENOENT;
111 0a04a7c0 2023-12-19 benni 			}
112 0a04a7c0 2023-12-19 benni 		} else {
113 0a04a7c0 2023-12-19 benni 			// TODO
114 0a04a7c0 2023-12-19 benni 			return -ENOENT;
115 0a04a7c0 2023-12-19 benni 		}
116 0a04a7c0 2023-12-19 benni 	} else {
117 0a04a7c0 2023-12-19 benni 		return -ENOENT;
118 0a04a7c0 2023-12-19 benni 	}
119 0a04a7c0 2023-12-19 benni }
120 0a04a7c0 2023-12-19 benni 
121 0a04a7c0 2023-12-19 benni static int
122 0a04a7c0 2023-12-19 benni fs_readdir(const char *path, void *data, fuse_fill_dir_t filler,
123 0a04a7c0 2023-12-19 benni            off_t off, struct fuse_file_info *ffi)
124 0a04a7c0 2023-12-19 benni {
125 0a04a7c0 2023-12-19 benni 	int pid, num;
126 0a04a7c0 2023-12-19 benni 
127 0a04a7c0 2023-12-19 benni 	(void)ffi;
128 0a04a7c0 2023-12-19 benni 
129 0a04a7c0 2023-12-19 benni 	printf("readdir(%s, off=%u);\n", path, (unsigned int)off);
130 0a04a7c0 2023-12-19 benni 
131 0a04a7c0 2023-12-19 benni 	if (strcmp(path, "/") == 0) {
132 0a04a7c0 2023-12-19 benni 		struct kinfo_proc *kp;
133 0a04a7c0 2023-12-19 benni 		int nentries;
134 0a04a7c0 2023-12-19 benni 
135 0a04a7c0 2023-12-19 benni 		kp = kvm_getprocs(kd, MY_KERN_PROC, 0, sizeof(*kp), &nentries);
136 0a04a7c0 2023-12-19 benni 		if (kp == NULL) {
137 0a04a7c0 2023-12-19 benni 			warnx("readdir(/): %s", kvm_geterr(kd));
138 0a04a7c0 2023-12-19 benni 			return -EIO;
139 0a04a7c0 2023-12-19 benni 		}
140 0a04a7c0 2023-12-19 benni 
141 0a04a7c0 2023-12-19 benni 		filler(data, ".", NULL, 0);
142 0a04a7c0 2023-12-19 benni 		filler(data, "..", NULL, 0);
143 0a04a7c0 2023-12-19 benni 		for (int i = 0; i < nentries; ++i) {
144 0a04a7c0 2023-12-19 benni 			char str[32];
145 0a04a7c0 2023-12-19 benni 			snprintf (str, sizeof(str), "%d", kp[i].p_pid);
146 0a04a7c0 2023-12-19 benni 			filler(data, str, NULL, 0);
147 0a04a7c0 2023-12-19 benni 		}
148 0a04a7c0 2023-12-19 benni 		return 0;
149 0a04a7c0 2023-12-19 benni 	} else if (sscanf(path, "/%d%n", &pid, &num) == 1) {
150 0a04a7c0 2023-12-19 benni 		const char *suffix = path + num;
151 0a04a7c0 2023-12-19 benni 		struct kinfo_proc *kp;
152 0a04a7c0 2023-12-19 benni 		unsigned int idx;
153 0a04a7c0 2023-12-19 benni 		int nentries;
154 0a04a7c0 2023-12-19 benni 
155 0a04a7c0 2023-12-19 benni 		kp = kvm_getprocs(kd, KERN_PROC_PID, pid, sizeof(*kp), &nentries);
156 0a04a7c0 2023-12-19 benni 		if (kp == NULL || nentries == 0) {
157 0a04a7c0 2023-12-19 benni 			warnx("readdir(%s): %s", path, kvm_geterr(kd));
158 0a04a7c0 2023-12-19 benni 			return -ENOENT;
159 0a04a7c0 2023-12-19 benni 		} else if (nentries > 1) {
160 0a04a7c0 2023-12-19 benni 			warnx("readdir(%s): Too many results", path);
161 0a04a7c0 2023-12-19 benni 			return -EIO;
162 0a04a7c0 2023-12-19 benni 		}
163 0a04a7c0 2023-12-19 benni 
164 0a04a7c0 2023-12-19 benni 		if (strcmp(suffix, "") == 0) {
165 0a04a7c0 2023-12-19 benni 			filler(data, ".", NULL, 0);
166 0a04a7c0 2023-12-19 benni 			filler(data, "..", NULL, 0);
167 0a04a7c0 2023-12-19 benni 			filler(data, "parent", NULL, 0);
168 0a04a7c0 2023-12-19 benni 			filler(data, "argv", NULL, 0);
169 0a04a7c0 2023-12-19 benni 			filler(data, "envv", NULL, 0);
170 0a04a7c0 2023-12-19 benni 			filler(data, "fd", NULL, 0);
171 0a04a7c0 2023-12-19 benni 			for (const struct myfile *f = files; f->name != NULL; ++f)
172 0a04a7c0 2023-12-19 benni 				filler(data, f->name + 1, NULL, 0);
173 0a04a7c0 2023-12-19 benni 			return 0;
174 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/argv") == 0) {
175 0a04a7c0 2023-12-19 benni 			char **argv = kvm_getargv(kd, kp, 0);
176 0a04a7c0 2023-12-19 benni 
177 0a04a7c0 2023-12-19 benni 			if (argv == NULL) {
178 0a04a7c0 2023-12-19 benni 				warnx("readdir(%s): %s", path, kvm_geterr(kd));
179 0a04a7c0 2023-12-19 benni 				return -EIO;
180 0a04a7c0 2023-12-19 benni 			}
181 0a04a7c0 2023-12-19 benni 
182 0a04a7c0 2023-12-19 benni 			filler(data, ".", NULL, 0);
183 0a04a7c0 2023-12-19 benni 			filler(data, "..", NULL, 0);
184 0a04a7c0 2023-12-19 benni 			for (size_t i = 0; argv[i] != NULL; ++i) {
185 0a04a7c0 2023-12-19 benni 				char buffer[32];
186 0a04a7c0 2023-12-19 benni 				int n;
187 0a04a7c0 2023-12-19 benni 
188 0a04a7c0 2023-12-19 benni 				n = snprintf(buffer, sizeof (buffer), "%zu", i);
189 0a04a7c0 2023-12-19 benni 				assert(n < (int)sizeof (buffer));
190 0a04a7c0 2023-12-19 benni 
191 0a04a7c0 2023-12-19 benni 				filler(data, buffer, NULL, 0);
192 0a04a7c0 2023-12-19 benni 			}
193 0a04a7c0 2023-12-19 benni 			return 0;
194 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/envv") == 0) {
195 0a04a7c0 2023-12-19 benni 			char **envv = kvm_getenvv(kd, kp, 0);
196 0a04a7c0 2023-12-19 benni 
197 0a04a7c0 2023-12-19 benni 			if (envv == NULL) {
198 0a04a7c0 2023-12-19 benni 				warnx("readdir(%s): %s", path, kvm_geterr(kd));
199 0a04a7c0 2023-12-19 benni 				return -EIO;
200 0a04a7c0 2023-12-19 benni 			}
201 0a04a7c0 2023-12-19 benni 
202 0a04a7c0 2023-12-19 benni 			filler(data, ".", NULL, 0);
203 0a04a7c0 2023-12-19 benni 			filler(data, "..", NULL, 0);
204 0a04a7c0 2023-12-19 benni 			for (size_t i = 0; envv[i] != NULL; ++i) {
205 0a04a7c0 2023-12-19 benni 				char buffer[32];
206 0a04a7c0 2023-12-19 benni 				int n;
207 0a04a7c0 2023-12-19 benni 
208 0a04a7c0 2023-12-19 benni 				n = snprintf(buffer, sizeof (buffer), "%zu", i);
209 0a04a7c0 2023-12-19 benni 				assert(n < (int)sizeof (buffer));
210 0a04a7c0 2023-12-19 benni 
211 0a04a7c0 2023-12-19 benni 				filler(data, buffer, NULL, 0);
212 0a04a7c0 2023-12-19 benni 			}
213 0a04a7c0 2023-12-19 benni 			return 0;
214 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/fd") == 0) {
215 0a04a7c0 2023-12-19 benni 			struct kinfo_file *files;
216 0a04a7c0 2023-12-19 benni 
217 0a04a7c0 2023-12-19 benni 			files = kvm_getfiles (kd, KERN_FILE_BYPID, pid, sizeof (*files), &nentries);
218 0a04a7c0 2023-12-19 benni 
219 0a04a7c0 2023-12-19 benni 			if (files == NULL) {
220 0a04a7c0 2023-12-19 benni 				warnx("readdir(%s): %s", path, kvm_geterr(kd));
221 0a04a7c0 2023-12-19 benni 				return -EIO;
222 0a04a7c0 2023-12-19 benni 			}
223 0a04a7c0 2023-12-19 benni 
224 0a04a7c0 2023-12-19 benni 			filler(data, ".", NULL, 0);
225 0a04a7c0 2023-12-19 benni 			filler(data, "..", NULL, 0);
226 0a04a7c0 2023-12-19 benni 
227 0a04a7c0 2023-12-19 benni 			printf("nentries = %d\n", nentries);
228 0a04a7c0 2023-12-19 benni 
229 0a04a7c0 2023-12-19 benni 			for (int i = 0; i < nentries; ++i) {
230 0a04a7c0 2023-12-19 benni 				char buffer[32];
231 0a04a7c0 2023-12-19 benni 				snprintf(buffer, sizeof (buffer), "%d", i);
232 0a04a7c0 2023-12-19 benni 				filler(data, buffer, NULL, 0);
233 0a04a7c0 2023-12-19 benni 			}
234 0a04a7c0 2023-12-19 benni 
235 0a04a7c0 2023-12-19 benni 			return 0;
236 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/fd/%u%n", &idx, &num) == 1) {
237 0a04a7c0 2023-12-19 benni 			struct kinfo_file *files;
238 0a04a7c0 2023-12-19 benni 
239 0a04a7c0 2023-12-19 benni 			suffix += num;
240 0a04a7c0 2023-12-19 benni 			files = kvm_getfiles(kd, KERN_FILE_BYPID, pid, sizeof (*files), &nentries);
241 0a04a7c0 2023-12-19 benni 			if (files == NULL) {
242 0a04a7c0 2023-12-19 benni 				warnx("readdir(%s): %s", path, kvm_geterr(kd));
243 0a04a7c0 2023-12-19 benni 				return -EIO;
244 0a04a7c0 2023-12-19 benni 			}
245 0a04a7c0 2023-12-19 benni 
246 0a04a7c0 2023-12-19 benni 			if (idx >= (unsigned int)nentries)
247 0a04a7c0 2023-12-19 benni 				return -ENOENT;
248 0a04a7c0 2023-12-19 benni 
249 0a04a7c0 2023-12-19 benni 			if (strcmp(suffix, "") == 0) {
250 0a04a7c0 2023-12-19 benni 				filler(data, ".", NULL, 0);
251 0a04a7c0 2023-12-19 benni 				filler(data, "..", NULL, 0);
252 0a04a7c0 2023-12-19 benni 				for (const struct myfdfile *f = fd_files; f->name != NULL; ++f) {
253 0a04a7c0 2023-12-19 benni 					filler(data, f->name + 1, NULL, 0);
254 0a04a7c0 2023-12-19 benni 				}
255 0a04a7c0 2023-12-19 benni 				return 0;
256 0a04a7c0 2023-12-19 benni 			} else {
257 0a04a7c0 2023-12-19 benni 				for (const struct myfdfile *f = fd_files; f->name != NULL; ++f) {
258 0a04a7c0 2023-12-19 benni 					if (strcmp(suffix, f->name) == 0)
259 0a04a7c0 2023-12-19 benni 						return -ENOTDIR;
260 0a04a7c0 2023-12-19 benni 				}
261 0a04a7c0 2023-12-19 benni 				return -ENOENT;
262 0a04a7c0 2023-12-19 benni 			}
263 0a04a7c0 2023-12-19 benni 		} else {
264 0a04a7c0 2023-12-19 benni 			for (const struct myfile *f = files; f->name != NULL; ++f) {
265 0a04a7c0 2023-12-19 benni 				if (strcmp(suffix, f->name) == 0)
266 0a04a7c0 2023-12-19 benni 					return -ENOTDIR;
267 0a04a7c0 2023-12-19 benni 			}
268 0a04a7c0 2023-12-19 benni 			return -ENOENT;
269 0a04a7c0 2023-12-19 benni 		}
270 0a04a7c0 2023-12-19 benni 	} else {
271 0a04a7c0 2023-12-19 benni 		return -ENOENT;
272 0a04a7c0 2023-12-19 benni 	}
273 0a04a7c0 2023-12-19 benni }
274 0a04a7c0 2023-12-19 benni 
275 0a04a7c0 2023-12-19 benni static int
276 0a04a7c0 2023-12-19 benni fs_read(
277 0a04a7c0 2023-12-19 benni 	const char *path,
278 0a04a7c0 2023-12-19 benni 	char *buf,
279 0a04a7c0 2023-12-19 benni 	size_t size,
280 0a04a7c0 2023-12-19 benni 	off_t off,
281 0a04a7c0 2023-12-19 benni 	struct fuse_file_info *ffi
282 0a04a7c0 2023-12-19 benni ) {
283 0a04a7c0 2023-12-19 benni 	int pid, num;
284 0a04a7c0 2023-12-19 benni 
285 0a04a7c0 2023-12-19 benni 	(void)ffi;
286 0a04a7c0 2023-12-19 benni 
287 0a04a7c0 2023-12-19 benni 	printf("read(%s);\n", path);
288 0a04a7c0 2023-12-19 benni 
289 0a04a7c0 2023-12-19 benni 	if (strcmp(path, "/") == 0) {
290 0a04a7c0 2023-12-19 benni 		return -EISDIR;
291 0a04a7c0 2023-12-19 benni 	} else if (sscanf(path, "/%d%n", &pid, &num) == 1) {
292 0a04a7c0 2023-12-19 benni 		const char *suffix = path + num;
293 0a04a7c0 2023-12-19 benni 		struct kinfo_proc *kp;
294 0a04a7c0 2023-12-19 benni 		unsigned int idx;
295 0a04a7c0 2023-12-19 benni 		int nentries;
296 0a04a7c0 2023-12-19 benni 
297 0a04a7c0 2023-12-19 benni 		kp = kvm_getprocs(kd, KERN_PROC_PID, pid, sizeof (*kp), &nentries);
298 0a04a7c0 2023-12-19 benni 		if (kp == NULL || nentries == 0) {
299 0a04a7c0 2023-12-19 benni 			warnx("read(%s): %s", path, kvm_geterr(kd));
300 0a04a7c0 2023-12-19 benni 			return -ENOENT;
301 0a04a7c0 2023-12-19 benni 		} else if (nentries > 1) {
302 0a04a7c0 2023-12-19 benni 			warnx("read(%s): Too many results", path);
303 0a04a7c0 2023-12-19 benni 			return -EIO;
304 0a04a7c0 2023-12-19 benni 		}
305 0a04a7c0 2023-12-19 benni 
306 0a04a7c0 2023-12-19 benni 		if (strcmp(suffix, "") == 0) {
307 0a04a7c0 2023-12-19 benni 			return -EISDIR;
308 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/argv") == 0) {
309 0a04a7c0 2023-12-19 benni 			return -EISDIR;
310 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/argv/%u%n", &idx, &num) == 1) {
311 0a04a7c0 2023-12-19 benni 			char **argv;
312 0a04a7c0 2023-12-19 benni 
313 0a04a7c0 2023-12-19 benni 			if (suffix[num] != '\0')
314 0a04a7c0 2023-12-19 benni 				return -ENOENT;
315 0a04a7c0 2023-12-19 benni 
316 0a04a7c0 2023-12-19 benni 			argv = kvm_getargv(kd, kp, 0);
317 0a04a7c0 2023-12-19 benni 			if (argv == NULL) {
318 0a04a7c0 2023-12-19 benni 				warnx("read(%s): %s", path, kvm_geterr(kd));
319 0a04a7c0 2023-12-19 benni 				return -EIO;
320 0a04a7c0 2023-12-19 benni 			}
321 0a04a7c0 2023-12-19 benni 
322 0a04a7c0 2023-12-19 benni 			for (nentries = 0; argv[nentries] != NULL; ++nentries);
323 0a04a7c0 2023-12-19 benni 
324 0a04a7c0 2023-12-19 benni 			if (idx > (unsigned int)nentries)
325 0a04a7c0 2023-12-19 benni 				return -ENOENT;
326 0a04a7c0 2023-12-19 benni 
327 0a04a7c0 2023-12-19 benni 			return copy_str(argv[idx], strlen(argv[idx]), buf, off, size);
328 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/envv") == 0) {
329 0a04a7c0 2023-12-19 benni 			return -EISDIR;
330 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/envv/%u%n", &idx, &num) == 1) {
331 0a04a7c0 2023-12-19 benni 			char **envv;
332 0a04a7c0 2023-12-19 benni 
333 0a04a7c0 2023-12-19 benni 			if (suffix[num] != '\0')
334 0a04a7c0 2023-12-19 benni 				return -ENOENT;
335 0a04a7c0 2023-12-19 benni 
336 0a04a7c0 2023-12-19 benni 			envv = kvm_getenvv(kd, kp, 0);
337 0a04a7c0 2023-12-19 benni 			if (envv == NULL) {
338 0a04a7c0 2023-12-19 benni 				warnx("read(%s): %s", path, kvm_geterr(kd));
339 0a04a7c0 2023-12-19 benni 				return -EIO;
340 0a04a7c0 2023-12-19 benni 			}
341 0a04a7c0 2023-12-19 benni 
342 0a04a7c0 2023-12-19 benni 			for (nentries = 0; envv[nentries] != NULL; ++nentries);
343 0a04a7c0 2023-12-19 benni 
344 0a04a7c0 2023-12-19 benni 			if (idx > (unsigned int)nentries)
345 0a04a7c0 2023-12-19 benni 				return -ENOENT;
346 0a04a7c0 2023-12-19 benni 
347 0a04a7c0 2023-12-19 benni 			return copy_str(envv[idx], strlen(envv[idx]), buf, off, size);
348 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/fd/%u%n", &idx, &num) == 1) {
349 0a04a7c0 2023-12-19 benni 			struct kinfo_file *files;
350 0a04a7c0 2023-12-19 benni 
351 0a04a7c0 2023-12-19 benni 			suffix += num;
352 0a04a7c0 2023-12-19 benni 			files = kvm_getfiles(kd, KERN_FILE_BYPID, pid, sizeof (*files), &nentries);
353 0a04a7c0 2023-12-19 benni 			if (files == NULL) {
354 0a04a7c0 2023-12-19 benni 				warnx("read(%s): %s", path, kvm_geterr(kd));
355 0a04a7c0 2023-12-19 benni 				return -EIO;
356 0a04a7c0 2023-12-19 benni 			}
357 0a04a7c0 2023-12-19 benni 
358 0a04a7c0 2023-12-19 benni 			if (idx >= (unsigned int)nentries)
359 0a04a7c0 2023-12-19 benni 				return -ENOENT;
360 0a04a7c0 2023-12-19 benni 
361 0a04a7c0 2023-12-19 benni 			if (strcmp(suffix, "") == 0) {
362 0a04a7c0 2023-12-19 benni 				return -EISDIR;
363 0a04a7c0 2023-12-19 benni 			} else {
364 0a04a7c0 2023-12-19 benni 				for (const struct myfdfile *f = fd_files; f->name != NULL; ++f) {
365 0a04a7c0 2023-12-19 benni 					if (strcmp(suffix, f->name) == 0)
366 0a04a7c0 2023-12-19 benni 						return f->read(&files[idx], buf, size, off);
367 0a04a7c0 2023-12-19 benni 				}
368 0a04a7c0 2023-12-19 benni 				return -ENOENT;
369 0a04a7c0 2023-12-19 benni 			}
370 0a04a7c0 2023-12-19 benni 		} else {
371 0a04a7c0 2023-12-19 benni 			for (const struct myfile *f = files; f->name != NULL; ++f) {
372 0a04a7c0 2023-12-19 benni 				if (strcmp(suffix, f->name) == 0)
373 0a04a7c0 2023-12-19 benni 					return f->read(kp, buf, size, off);
374 0a04a7c0 2023-12-19 benni 			}
375 0a04a7c0 2023-12-19 benni 			return -ENOENT;
376 0a04a7c0 2023-12-19 benni 		}
377 0a04a7c0 2023-12-19 benni 	} else {
378 0a04a7c0 2023-12-19 benni 		return -ENOENT;
379 0a04a7c0 2023-12-19 benni 	}
380 0a04a7c0 2023-12-19 benni }
381 0a04a7c0 2023-12-19 benni 
382 0a04a7c0 2023-12-19 benni static int
383 0a04a7c0 2023-12-19 benni fs_open(const char *path, struct fuse_file_info *ffi)
384 0a04a7c0 2023-12-19 benni {
385 0a04a7c0 2023-12-19 benni 	int pid, num;
386 0a04a7c0 2023-12-19 benni 
387 0a04a7c0 2023-12-19 benni 	(void)ffi;
388 0a04a7c0 2023-12-19 benni 
389 0a04a7c0 2023-12-19 benni 	printf("open(%s);\n", path);
390 0a04a7c0 2023-12-19 benni 
391 0a04a7c0 2023-12-19 benni 	if (strcmp(path, "/") == 0) {
392 0a04a7c0 2023-12-19 benni 		return 0;
393 0a04a7c0 2023-12-19 benni 	} else if (sscanf(path, "/%d%n", &pid, &num) == 1) {
394 0a04a7c0 2023-12-19 benni 		const char *suffix = path + num;
395 0a04a7c0 2023-12-19 benni 		struct kinfo_proc *kp;
396 0a04a7c0 2023-12-19 benni 		unsigned int idx;
397 0a04a7c0 2023-12-19 benni 		int nentries;
398 0a04a7c0 2023-12-19 benni 		bool found;
399 0a04a7c0 2023-12-19 benni 
400 0a04a7c0 2023-12-19 benni 		kp = kvm_getprocs(kd, KERN_PROC_PID, pid, sizeof (*kp), &nentries);
401 0a04a7c0 2023-12-19 benni 		if (kp == NULL || nentries == 0) {
402 0a04a7c0 2023-12-19 benni 			warnx("open(%s): %s", path, kvm_geterr(kd));
403 0a04a7c0 2023-12-19 benni 			return -ENOENT;
404 0a04a7c0 2023-12-19 benni 		} else if (nentries > 1) {
405 0a04a7c0 2023-12-19 benni 			warnx("open(%s): Too many results", path);
406 0a04a7c0 2023-12-19 benni 			return -EIO;
407 0a04a7c0 2023-12-19 benni 		}
408 0a04a7c0 2023-12-19 benni 
409 0a04a7c0 2023-12-19 benni 		if (strcmp(suffix, "/argv") == 0) {
410 0a04a7c0 2023-12-19 benni 			return 0;
411 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/argv/%u%n", &idx, &num) == 1) {
412 0a04a7c0 2023-12-19 benni 			if (suffix[num] != '\0')
413 0a04a7c0 2023-12-19 benni 				return -ENOENT;
414 0a04a7c0 2023-12-19 benni 			return 0;
415 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/envv") == 0) {
416 0a04a7c0 2023-12-19 benni 			return 0;
417 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/envv/%u%n", &idx, &num) == 1) {
418 0a04a7c0 2023-12-19 benni 			if (suffix[num] != '\0')
419 0a04a7c0 2023-12-19 benni 				return -ENOENT;
420 0a04a7c0 2023-12-19 benni 			return 0;
421 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/fd/%u%n", &idx, &num) == 1) {
422 0a04a7c0 2023-12-19 benni 			suffix += num;
423 0a04a7c0 2023-12-19 benni 			if (strcmp(suffix, "") == 0) {
424 0a04a7c0 2023-12-19 benni 				return 0;
425 0a04a7c0 2023-12-19 benni 			} else {
426 0a04a7c0 2023-12-19 benni 				found = false;
427 0a04a7c0 2023-12-19 benni 				for (const struct myfdfile *f = fd_files; f->name != NULL; ++f) {
428 0a04a7c0 2023-12-19 benni 					if (strcmp(suffix, f->name) == 0) {
429 0a04a7c0 2023-12-19 benni 						found = true;
430 0a04a7c0 2023-12-19 benni 						break;
431 0a04a7c0 2023-12-19 benni 					}
432 0a04a7c0 2023-12-19 benni 				}
433 0a04a7c0 2023-12-19 benni 				if (!found) {
434 0a04a7c0 2023-12-19 benni 					printf("Invalid fd suffix: '%s'\n", suffix);
435 0a04a7c0 2023-12-19 benni 					return -ENOENT;
436 0a04a7c0 2023-12-19 benni 				}
437 0a04a7c0 2023-12-19 benni 				return 0;
438 0a04a7c0 2023-12-19 benni 			}
439 0a04a7c0 2023-12-19 benni 		} else {
440 0a04a7c0 2023-12-19 benni 			found = false;
441 0a04a7c0 2023-12-19 benni 			for (const struct myfile *f = files; f->name != NULL; ++f) {
442 0a04a7c0 2023-12-19 benni 				if (strcmp(suffix, f->name) == 0) {
443 0a04a7c0 2023-12-19 benni 					found = true;
444 0a04a7c0 2023-12-19 benni 					break;
445 0a04a7c0 2023-12-19 benni 				}
446 0a04a7c0 2023-12-19 benni 			}
447 0a04a7c0 2023-12-19 benni 			if (!found) {
448 0a04a7c0 2023-12-19 benni 				printf("Invalid suffix: '%s'\n", suffix);
449 0a04a7c0 2023-12-19 benni 				return -ENOENT;
450 0a04a7c0 2023-12-19 benni 			}
451 0a04a7c0 2023-12-19 benni 			return 0;
452 0a04a7c0 2023-12-19 benni 		}
453 0a04a7c0 2023-12-19 benni 	} else {
454 0a04a7c0 2023-12-19 benni 		return -ENOENT;
455 0a04a7c0 2023-12-19 benni 	}
456 0a04a7c0 2023-12-19 benni }
457 0a04a7c0 2023-12-19 benni 
458 0a04a7c0 2023-12-19 benni static int
459 0a04a7c0 2023-12-19 benni fs_getattr(const char *path, struct stat *st)
460 0a04a7c0 2023-12-19 benni {
461 0a04a7c0 2023-12-19 benni 	int pid, num;
462 0a04a7c0 2023-12-19 benni 
463 0a04a7c0 2023-12-19 benni 	printf("getattr(%s);\n", path);
464 0a04a7c0 2023-12-19 benni 
465 0a04a7c0 2023-12-19 benni 	st->st_blksize = 512;
466 0a04a7c0 2023-12-19 benni 
467 0a04a7c0 2023-12-19 benni 	if (strcmp(path, "/") == 0) {
468 0a04a7c0 2023-12-19 benni 		st->st_mode = S_IFDIR | 0755;
469 0a04a7c0 2023-12-19 benni 		st->st_nlink = 2;
470 0a04a7c0 2023-12-19 benni 		st->st_size = 512;
471 0a04a7c0 2023-12-19 benni 		return 0;
472 0a04a7c0 2023-12-19 benni 	} else if (sscanf(path, "/%d%n", &pid, &num) == 1) {
473 0a04a7c0 2023-12-19 benni 		const char *suffix = path + num;
474 0a04a7c0 2023-12-19 benni 		struct kinfo_proc *kp;
475 0a04a7c0 2023-12-19 benni 		int nentries;
476 0a04a7c0 2023-12-19 benni 		unsigned int idx;
477 0a04a7c0 2023-12-19 benni 
478 0a04a7c0 2023-12-19 benni 		kp = kvm_getprocs(kd, KERN_PROC_PID, pid, sizeof (*kp), &nentries);
479 0a04a7c0 2023-12-19 benni 		if (kp == NULL || nentries == 0) {
480 0a04a7c0 2023-12-19 benni 			warnx("getattr(%s): %s", path, kvm_geterr(kd));
481 0a04a7c0 2023-12-19 benni 			return -ENOENT;
482 0a04a7c0 2023-12-19 benni 		} else if (nentries > 1) {
483 0a04a7c0 2023-12-19 benni 			warnx("getattr(%s): Too many results", path);
484 0a04a7c0 2023-12-19 benni 			return -EIO;
485 0a04a7c0 2023-12-19 benni 		}
486 0a04a7c0 2023-12-19 benni 
487 0a04a7c0 2023-12-19 benni 		if (strcmp(suffix, "") == 0) {
488 0a04a7c0 2023-12-19 benni 			st->st_mode = S_IFDIR | 0755;
489 0a04a7c0 2023-12-19 benni 			st->st_nlink = 2;
490 0a04a7c0 2023-12-19 benni 			st->st_size = 512;
491 0a04a7c0 2023-12-19 benni 			return 0;
492 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/parent") == 0) {
493 0a04a7c0 2023-12-19 benni 			st->st_mode = S_IFLNK | 0755;
494 0a04a7c0 2023-12-19 benni 			st->st_nlink = 1;
495 0a04a7c0 2023-12-19 benni 			st->st_size = snprintf(NULL, 0, "%d", kp->p_ppid);
496 0a04a7c0 2023-12-19 benni 			return 0;
497 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/argv") == 0) {
498 0a04a7c0 2023-12-19 benni 			st->st_mode = S_IFDIR | 0755;
499 0a04a7c0 2023-12-19 benni 			st->st_nlink = 2;
500 0a04a7c0 2023-12-19 benni 			st->st_size = 512;
501 0a04a7c0 2023-12-19 benni 			return 0;
502 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/argv/%u%n", &idx, &num) == 1) {
503 0a04a7c0 2023-12-19 benni 			char **argv;
504 0a04a7c0 2023-12-19 benni 
505 0a04a7c0 2023-12-19 benni 			if (suffix[num] != '\0')
506 0a04a7c0 2023-12-19 benni 				return -ENOENT;
507 0a04a7c0 2023-12-19 benni 
508 0a04a7c0 2023-12-19 benni 			argv = kvm_getargv(kd, kp, 0);
509 0a04a7c0 2023-12-19 benni 			if (argv == NULL) {
510 0a04a7c0 2023-12-19 benni 				warnx("getattr(%s): %s", path, kvm_geterr(kd));
511 0a04a7c0 2023-12-19 benni 				return -EIO;
512 0a04a7c0 2023-12-19 benni 			}
513 0a04a7c0 2023-12-19 benni 			
514 0a04a7c0 2023-12-19 benni 			for (nentries = 0; argv[nentries] != NULL; ++nentries);
515 0a04a7c0 2023-12-19 benni 			if (idx >= (unsigned int)nentries)
516 0a04a7c0 2023-12-19 benni 				return -ENOENT;
517 0a04a7c0 2023-12-19 benni 
518 0a04a7c0 2023-12-19 benni 			st->st_mode = S_IFREG | 0644;
519 0a04a7c0 2023-12-19 benni 			st->st_nlink = 1;
520 0a04a7c0 2023-12-19 benni 			st->st_size = strlen(argv[idx]);
521 0a04a7c0 2023-12-19 benni 			return 0;
522 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/envv") == 0) {
523 0a04a7c0 2023-12-19 benni 			st->st_mode = S_IFDIR | 0755;
524 0a04a7c0 2023-12-19 benni 			st->st_nlink = 2;
525 0a04a7c0 2023-12-19 benni 			st->st_size = 512;
526 0a04a7c0 2023-12-19 benni 			return 0;
527 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/envv/%u%n", &idx, &num) == 1) {
528 0a04a7c0 2023-12-19 benni 			char **envv;
529 0a04a7c0 2023-12-19 benni 
530 0a04a7c0 2023-12-19 benni 			if (suffix[num] != '\0')
531 0a04a7c0 2023-12-19 benni 				return -ENOENT;
532 0a04a7c0 2023-12-19 benni 
533 0a04a7c0 2023-12-19 benni 			envv = kvm_getenvv(kd, kp, 0);
534 0a04a7c0 2023-12-19 benni 			if (envv == NULL) {
535 0a04a7c0 2023-12-19 benni 				warnx("getattr(%s): %s", path, kvm_geterr(kd));
536 0a04a7c0 2023-12-19 benni 				return -EIO;
537 0a04a7c0 2023-12-19 benni 			}
538 0a04a7c0 2023-12-19 benni 			
539 0a04a7c0 2023-12-19 benni 			for (nentries = 0; envv[nentries] != NULL; ++nentries);
540 0a04a7c0 2023-12-19 benni 			if (idx >= (unsigned int)nentries)
541 0a04a7c0 2023-12-19 benni 				return -ENOENT;
542 0a04a7c0 2023-12-19 benni 
543 0a04a7c0 2023-12-19 benni 			st->st_mode = S_IFREG | 0644;
544 0a04a7c0 2023-12-19 benni 			st->st_nlink = 1;
545 0a04a7c0 2023-12-19 benni 			st->st_size = strlen(envv[idx]);
546 0a04a7c0 2023-12-19 benni 			return 0;
547 0a04a7c0 2023-12-19 benni 		} else if (strcmp(suffix, "/fd") == 0) {
548 0a04a7c0 2023-12-19 benni 			st->st_mode = S_IFDIR | 0755;
549 0a04a7c0 2023-12-19 benni 			st->st_nlink = 2;
550 0a04a7c0 2023-12-19 benni 			st->st_size = 512;
551 0a04a7c0 2023-12-19 benni 			return 0;
552 0a04a7c0 2023-12-19 benni 		} else if (sscanf(suffix, "/fd/%u%n", &idx, &num) == 1) {
553 0a04a7c0 2023-12-19 benni 			struct kinfo_file *files;
554 0a04a7c0 2023-12-19 benni 
555 0a04a7c0 2023-12-19 benni 			suffix += num;
556 0a04a7c0 2023-12-19 benni 			files = kvm_getfiles(kd, KERN_FILE_BYPID, pid, sizeof (*files), &nentries);
557 0a04a7c0 2023-12-19 benni 			if (files == NULL) {
558 0a04a7c0 2023-12-19 benni 				warnx("getattr(%s): %s", path, kvm_geterr(kd));
559 0a04a7c0 2023-12-19 benni 				return -EIO;
560 0a04a7c0 2023-12-19 benni 			}
561 0a04a7c0 2023-12-19 benni 
562 0a04a7c0 2023-12-19 benni 			if (strcmp(suffix, "") == 0) {
563 0a04a7c0 2023-12-19 benni 				st->st_mode = S_IFDIR | 0755;
564 0a04a7c0 2023-12-19 benni 				st->st_nlink = 2;
565 0a04a7c0 2023-12-19 benni 				st->st_size = 512;
566 0a04a7c0 2023-12-19 benni 				return 0;
567 0a04a7c0 2023-12-19 benni 			} else {
568 0a04a7c0 2023-12-19 benni 				for (const struct myfdfile *f = fd_files; f->name != NULL; ++f) {
569 0a04a7c0 2023-12-19 benni 					if (strcmp(suffix, f->name) == 0) {
570 0a04a7c0 2023-12-19 benni 						st->st_mode = S_IFREG | 0644;
571 0a04a7c0 2023-12-19 benni 						st->st_nlink = 1;
572 0a04a7c0 2023-12-19 benni 						st->st_size = 0;
573 0a04a7c0 2023-12-19 benni 						return 0;
574 0a04a7c0 2023-12-19 benni 					}
575 0a04a7c0 2023-12-19 benni 				}
576 0a04a7c0 2023-12-19 benni 				return -ENOENT;
577 0a04a7c0 2023-12-19 benni 			}
578 0a04a7c0 2023-12-19 benni 		} else {
579 0a04a7c0 2023-12-19 benni 			for (const struct myfile *f = files; f->name != NULL; ++f) {
580 0a04a7c0 2023-12-19 benni 				if (strcmp(suffix, f->name) == 0) {
581 0a04a7c0 2023-12-19 benni 					st->st_mode = S_IFREG;
582 0a04a7c0 2023-12-19 benni 					st->st_nlink = 1;
583 0a04a7c0 2023-12-19 benni 					st->st_size = 0;
584 0a04a7c0 2023-12-19 benni 					return 0;
585 0a04a7c0 2023-12-19 benni 				}
586 0a04a7c0 2023-12-19 benni 			}
587 0a04a7c0 2023-12-19 benni 			return -ENOENT;
588 0a04a7c0 2023-12-19 benni 		}
589 0a04a7c0 2023-12-19 benni 	} else {
590 0a04a7c0 2023-12-19 benni 		return -ENOENT;
591 0a04a7c0 2023-12-19 benni 	}
592 0a04a7c0 2023-12-19 benni }
593 0a04a7c0 2023-12-19 benni 
594 0a04a7c0 2023-12-19 benni static int
595 0a04a7c0 2023-12-19 benni fs_readlink(const char *path, char *buf, size_t size)
596 0a04a7c0 2023-12-19 benni {
597 0a04a7c0 2023-12-19 benni 	int pid, num;
598 0a04a7c0 2023-12-19 benni 
599 0a04a7c0 2023-12-19 benni 	if (sscanf(path, "/%d%n", &pid, &num) == 1) {
600 0a04a7c0 2023-12-19 benni 		const char *suffix = path + num;
601 0a04a7c0 2023-12-19 benni 		struct kinfo_proc *kp;
602 0a04a7c0 2023-12-19 benni 		int nentries;
603 0a04a7c0 2023-12-19 benni 
604 0a04a7c0 2023-12-19 benni 		kp = kvm_getprocs(kd, KERN_PROC_PID, pid, sizeof (*kp), &nentries);
605 0a04a7c0 2023-12-19 benni 		if (kp == NULL || nentries == 0) {
606 0a04a7c0 2023-12-19 benni 			warnx("readlink(%s): %s", path, kvm_geterr(kd));
607 0a04a7c0 2023-12-19 benni 			return -ENOENT;
608 0a04a7c0 2023-12-19 benni 		} else if (nentries > 1) {
609 0a04a7c0 2023-12-19 benni 			warnx("readlink(%s): Too many results", path);
610 0a04a7c0 2023-12-19 benni 			return -EIO;
611 0a04a7c0 2023-12-19 benni 		}
612 0a04a7c0 2023-12-19 benni 
613 0a04a7c0 2023-12-19 benni 		if (strcmp(suffix, "/parent") == 0) {
614 0a04a7c0 2023-12-19 benni 			snprintf(buf, size, "../%d", kp->p_ppid);
615 0a04a7c0 2023-12-19 benni 			return 0;
616 0a04a7c0 2023-12-19 benni 		} else {
617 0a04a7c0 2023-12-19 benni 			return -EINVAL;
618 0a04a7c0 2023-12-19 benni 		}
619 0a04a7c0 2023-12-19 benni 	} else {
620 0a04a7c0 2023-12-19 benni 		return -ENOENT;
621 0a04a7c0 2023-12-19 benni 	}
622 0a04a7c0 2023-12-19 benni }
623 0a04a7c0 2023-12-19 benni 
624 0a04a7c0 2023-12-19 benni struct fuse_operations fsops = {
625 0a04a7c0 2023-12-19 benni 	.readdir	= fs_readdir,
626 0a04a7c0 2023-12-19 benni 	.read		= fs_read,
627 0a04a7c0 2023-12-19 benni 	.open		= fs_open,
628 0a04a7c0 2023-12-19 benni 	.getattr	= fs_getattr,
629 0a04a7c0 2023-12-19 benni 	.readlink	= fs_readlink,
630 0a04a7c0 2023-12-19 benni };
631 0a04a7c0 2023-12-19 benni 
632 0a04a7c0 2023-12-19 benni int
633 0a04a7c0 2023-12-19 benni main(int argc, char **argv)
634 0a04a7c0 2023-12-19 benni {
635 0a04a7c0 2023-12-19 benni 	char errbuf[_POSIX2_LINE_MAX];
636 0a04a7c0 2023-12-19 benni 	kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf);
637 0a04a7c0 2023-12-19 benni 	if (kd == NULL)
638 0a04a7c0 2023-12-19 benni 		errx(1, "%s", errbuf);
639 0a04a7c0 2023-12-19 benni 
640 0a04a7c0 2023-12-19 benni 	return (fuse_main(argc, argv, &fsops, NULL));
641 0a04a7c0 2023-12-19 benni }