1 c902213d 2022-10-29 thomas /*
  2 c902213d 2022-10-29 thomas  * Copyright (c) 2022 Stefan Sperling <stsp@openbsd.org>
  3 c902213d 2022-10-29 thomas  *
  4 c902213d 2022-10-29 thomas  * Permission to use, copy, modify, and distribute this software for any
  5 c902213d 2022-10-29 thomas  * purpose with or without fee is hereby granted, provided that the above
  6 c902213d 2022-10-29 thomas  * copyright notice and this permission notice appear in all copies.
  7 c902213d 2022-10-29 thomas  *
  8 c902213d 2022-10-29 thomas  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 c902213d 2022-10-29 thomas  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 c902213d 2022-10-29 thomas  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 c902213d 2022-10-29 thomas  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 c902213d 2022-10-29 thomas  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 c902213d 2022-10-29 thomas  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 c902213d 2022-10-29 thomas  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 c902213d 2022-10-29 thomas  */
 16 c902213d 2022-10-29 thomas 
 17 c902213d 2022-10-29 thomas #include <sys/queue.h>
 18 c902213d 2022-10-29 thomas #include <sys/socket.h>
 19 c902213d 2022-10-29 thomas #include <sys/un.h>
 20 c902213d 2022-10-29 thomas 
 21 c902213d 2022-10-29 thomas #include <err.h>
 22 c902213d 2022-10-29 thomas #include <event.h>
 23 c902213d 2022-10-29 thomas #include <imsg.h>
 24 c902213d 2022-10-29 thomas #include <limits.h>
 25 c902213d 2022-10-29 thomas #include <locale.h>
 26 c902213d 2022-10-29 thomas #include <sha1.h>
 27 c902213d 2022-10-29 thomas #include <stdio.h>
 28 c902213d 2022-10-29 thomas #include <stdlib.h>
 29 c902213d 2022-10-29 thomas #include <string.h>
 30 c902213d 2022-10-29 thomas #include <getopt.h>
 31 c902213d 2022-10-29 thomas #include <unistd.h>
 32 c902213d 2022-10-29 thomas 
 33 c902213d 2022-10-29 thomas #include "got_error.h"
 34 c902213d 2022-10-29 thomas #include "got_version.h"
 35 c902213d 2022-10-29 thomas 
 36 c902213d 2022-10-29 thomas #include "got_lib_gitproto.h"
 37 c902213d 2022-10-29 thomas 
 38 c902213d 2022-10-29 thomas #include "gotd.h"
 39 c902213d 2022-10-29 thomas 
 40 c902213d 2022-10-29 thomas #ifndef nitems
 41 c902213d 2022-10-29 thomas #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
 42 c902213d 2022-10-29 thomas #endif
 43 c902213d 2022-10-29 thomas 
 44 c902213d 2022-10-29 thomas #define GOTCTL_CMD_INFO "info"
 45 c902213d 2022-10-29 thomas #define GOTCTL_CMD_STOP "stop"
 46 c902213d 2022-10-29 thomas 
 47 c902213d 2022-10-29 thomas struct gotctl_cmd {
 48 c902213d 2022-10-29 thomas 	const char	*cmd_name;
 49 c902213d 2022-10-29 thomas 	const struct got_error *(*cmd_main)(int, char *[], int);
 50 c902213d 2022-10-29 thomas 	void		(*cmd_usage)(void);
 51 c902213d 2022-10-29 thomas };
 52 c902213d 2022-10-29 thomas 
 53 c902213d 2022-10-29 thomas __dead static void	usage(int, int);
 54 c902213d 2022-10-29 thomas 
 55 c902213d 2022-10-29 thomas __dead static void	usage_info(void);
 56 c902213d 2022-10-29 thomas __dead static void	usage_stop(void);
 57 c902213d 2022-10-29 thomas 
 58 c902213d 2022-10-29 thomas static const struct got_error*		cmd_info(int, char *[], int);
 59 c902213d 2022-10-29 thomas static const struct got_error*		cmd_stop(int, char *[], int);
 60 c902213d 2022-10-29 thomas 
 61 c902213d 2022-10-29 thomas static const struct gotctl_cmd gotctl_commands[] = {
 62 c902213d 2022-10-29 thomas 	{ "info",	cmd_info,	usage_info },
 63 c902213d 2022-10-29 thomas 	{ "stop",	cmd_stop,	usage_stop },
 64 c902213d 2022-10-29 thomas };
 65 c902213d 2022-10-29 thomas 
 66 c902213d 2022-10-29 thomas __dead static void
 67 c902213d 2022-10-29 thomas usage_info(void)
 68 c902213d 2022-10-29 thomas {
 69 c902213d 2022-10-29 thomas 	fprintf(stderr, "usage: %s info\n", getprogname());
 70 c902213d 2022-10-29 thomas 	exit(1);
 71 c902213d 2022-10-29 thomas }
 72 c902213d 2022-10-29 thomas 
 73 c902213d 2022-10-29 thomas static const struct got_error *
 74 c902213d 2022-10-29 thomas show_info(struct imsg *imsg)
 75 c902213d 2022-10-29 thomas {
 76 c902213d 2022-10-29 thomas 	struct gotd_imsg_info info;
 77 c902213d 2022-10-29 thomas 	size_t datalen;
 78 c902213d 2022-10-29 thomas 
 79 c902213d 2022-10-29 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
 80 c902213d 2022-10-29 thomas 	if (datalen != sizeof(info))
 81 c902213d 2022-10-29 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
 82 c902213d 2022-10-29 thomas 	memcpy(&info, imsg->data, sizeof(info));
 83 c902213d 2022-10-29 thomas 
 84 c902213d 2022-10-29 thomas 	printf("gotd PID: %d\n", info.pid);
 85 c902213d 2022-10-29 thomas 	printf("verbosity: %d\n", info.verbosity);
 86 c902213d 2022-10-29 thomas 	printf("number of repositories: %d\n", info.nrepos);
 87 c902213d 2022-10-29 thomas 	printf("number of connected clients: %d\n", info.nclients);
 88 c902213d 2022-10-29 thomas 	return NULL;
 89 c902213d 2022-10-29 thomas }
 90 c902213d 2022-10-29 thomas 
 91 c902213d 2022-10-29 thomas static const struct got_error *
 92 c902213d 2022-10-29 thomas show_repo_info(struct imsg *imsg)
 93 c902213d 2022-10-29 thomas {
 94 c902213d 2022-10-29 thomas 	struct gotd_imsg_info_repo info;
 95 c902213d 2022-10-29 thomas 	size_t datalen;
 96 c902213d 2022-10-29 thomas 
 97 c902213d 2022-10-29 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
 98 c902213d 2022-10-29 thomas 	if (datalen != sizeof(info))
 99 c902213d 2022-10-29 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
100 c902213d 2022-10-29 thomas 	memcpy(&info, imsg->data, sizeof(info));
101 c902213d 2022-10-29 thomas 
102 c902213d 2022-10-29 thomas 	printf("repository \"%s\", path %s\n", info.repo_name, info.repo_path);
103 c902213d 2022-10-29 thomas 	return NULL;
104 c902213d 2022-10-29 thomas }
105 c902213d 2022-10-29 thomas 
106 c902213d 2022-10-29 thomas static const char *
107 c902213d 2022-10-29 thomas get_state_name(enum gotd_client_state state)
108 c902213d 2022-10-29 thomas {
109 c902213d 2022-10-29 thomas 	static char unknown_state[64];
110 c902213d 2022-10-29 thomas 
111 c902213d 2022-10-29 thomas 	switch (state) {
112 c902213d 2022-10-29 thomas 	case GOTD_STATE_EXPECT_LIST_REFS:
113 c902213d 2022-10-29 thomas 		return "list-refs";
114 c902213d 2022-10-29 thomas 	case GOTD_STATE_EXPECT_CAPABILITIES:
115 c902213d 2022-10-29 thomas 		return "expect-capabilities";
116 c902213d 2022-10-29 thomas 	case GOTD_STATE_EXPECT_WANT:
117 c902213d 2022-10-29 thomas 		return "expect-want";
118 c902213d 2022-10-29 thomas 	case GOTD_STATE_EXPECT_REF_UPDATE:
119 c902213d 2022-10-29 thomas 		return "expect-ref-update";
120 c902213d 2022-10-29 thomas 	case GOTD_STATE_EXPECT_MORE_REF_UPDATES:
121 c902213d 2022-10-29 thomas 		return "expect-more-ref-updates";
122 c902213d 2022-10-29 thomas 	case GOTD_STATE_EXPECT_HAVE:
123 c902213d 2022-10-29 thomas 		return "expect-have";
124 c902213d 2022-10-29 thomas 	case GOTD_STATE_EXPECT_PACKFILE:
125 c902213d 2022-10-29 thomas 		return "expect-packfile";
126 c902213d 2022-10-29 thomas 	case GOTD_STATE_EXPECT_DONE:
127 c902213d 2022-10-29 thomas 		return "expect-done";
128 c902213d 2022-10-29 thomas 	case GOTD_STATE_DONE:
129 c902213d 2022-10-29 thomas 		return "done";
130 c902213d 2022-10-29 thomas 	}
131 c902213d 2022-10-29 thomas 
132 c902213d 2022-10-29 thomas 	snprintf(unknown_state, sizeof(unknown_state),
133 c902213d 2022-10-29 thomas 	    "unknown state %d", state);
134 c902213d 2022-10-29 thomas 	return unknown_state;
135 c902213d 2022-10-29 thomas }
136 c902213d 2022-10-29 thomas 
137 c902213d 2022-10-29 thomas static const struct got_error *
138 c902213d 2022-10-29 thomas show_client_info(struct imsg *imsg)
139 c902213d 2022-10-29 thomas {
140 c902213d 2022-10-29 thomas 	struct gotd_imsg_info_client info;
141 c902213d 2022-10-29 thomas 	size_t datalen;
142 c902213d 2022-10-29 thomas 
143 c902213d 2022-10-29 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
144 c902213d 2022-10-29 thomas 	if (datalen != sizeof(info))
145 c902213d 2022-10-29 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
146 c902213d 2022-10-29 thomas 	memcpy(&info, imsg->data, sizeof(info));
147 c902213d 2022-10-29 thomas 
148 c902213d 2022-10-29 thomas 	printf("client UID %d, GID %d, protocol state '%s', ",
149 c902213d 2022-10-29 thomas 	    info.euid, info.egid, get_state_name(info.state));
150 c902213d 2022-10-29 thomas 	if (info.is_writing)
151 c902213d 2022-10-29 thomas 		printf("writing to %s\n", info.repo_name);
152 c902213d 2022-10-29 thomas 	else
153 c902213d 2022-10-29 thomas 		printf("reading from %s\n", info.repo_name);
154 c902213d 2022-10-29 thomas 
155 c902213d 2022-10-29 thomas 	return NULL;
156 c902213d 2022-10-29 thomas }
157 c902213d 2022-10-29 thomas 
158 c902213d 2022-10-29 thomas static const struct got_error *
159 c902213d 2022-10-29 thomas show_capability(struct imsg *imsg)
160 c902213d 2022-10-29 thomas {
161 c902213d 2022-10-29 thomas 	struct gotd_imsg_capability icapa;
162 c902213d 2022-10-29 thomas 	size_t datalen;
163 c902213d 2022-10-29 thomas 	char *key, *value = NULL;
164 c902213d 2022-10-29 thomas 
165 c902213d 2022-10-29 thomas 	memset(&icapa, 0, sizeof(icapa));
166 c902213d 2022-10-29 thomas 
167 c902213d 2022-10-29 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
168 c902213d 2022-10-29 thomas 	if (datalen < sizeof(icapa))
169 c902213d 2022-10-29 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
170 c902213d 2022-10-29 thomas 	memcpy(&icapa, imsg->data, sizeof(icapa));
171 c902213d 2022-10-29 thomas 
172 c902213d 2022-10-29 thomas 	if (datalen != sizeof(icapa) + icapa.key_len + icapa.value_len)
173 c902213d 2022-10-29 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
174 c902213d 2022-10-29 thomas 
175 c902213d 2022-10-29 thomas 	key = malloc(icapa.key_len + 1);
176 c902213d 2022-10-29 thomas 	if (key == NULL)
177 c902213d 2022-10-29 thomas 		return got_error_from_errno("malloc");
178 c902213d 2022-10-29 thomas 	if (icapa.value_len > 0) {
179 c902213d 2022-10-29 thomas 		value = malloc(icapa.value_len + 1);
180 c902213d 2022-10-29 thomas 		if (value == NULL) {
181 c902213d 2022-10-29 thomas 			free(key);
182 c902213d 2022-10-29 thomas 			return got_error_from_errno("malloc");
183 c902213d 2022-10-29 thomas 		}
184 c902213d 2022-10-29 thomas 	}
185 c902213d 2022-10-29 thomas 
186 c902213d 2022-10-29 thomas 	memcpy(key, imsg->data + sizeof(icapa), icapa.key_len);
187 c902213d 2022-10-29 thomas 	key[icapa.key_len] = '\0';
188 c902213d 2022-10-29 thomas 	if (value) {
189 c902213d 2022-10-29 thomas 		memcpy(value, imsg->data + sizeof(icapa) + icapa.key_len,
190 c902213d 2022-10-29 thomas 		    icapa.value_len);
191 c902213d 2022-10-29 thomas 		value[icapa.value_len] = '\0';
192 c902213d 2022-10-29 thomas 	}
193 c902213d 2022-10-29 thomas 
194 c902213d 2022-10-29 thomas 	if (strcmp(key, GOT_CAPA_AGENT) == 0)
195 c902213d 2022-10-29 thomas 		printf("  client user agent: %s\n", value);
196 c902213d 2022-10-29 thomas 	else if (value)
197 c902213d 2022-10-29 thomas 		printf("  client supports %s=%s\n", key, value);
198 c902213d 2022-10-29 thomas 	else
199 c902213d 2022-10-29 thomas 		printf("  client supports %s\n", key);
200 c902213d 2022-10-29 thomas 
201 c902213d 2022-10-29 thomas 	free(key);
202 c902213d 2022-10-29 thomas 	free(value);
203 c902213d 2022-10-29 thomas 	return NULL;
204 c902213d 2022-10-29 thomas }
205 c902213d 2022-10-29 thomas 
206 c902213d 2022-10-29 thomas static const struct got_error *
207 c902213d 2022-10-29 thomas cmd_info(int argc, char *argv[], int gotd_sock)
208 c902213d 2022-10-29 thomas {
209 c902213d 2022-10-29 thomas 	const struct got_error *err;
210 c902213d 2022-10-29 thomas 	struct imsgbuf ibuf;
211 c902213d 2022-10-29 thomas 	struct imsg imsg;
212 c902213d 2022-10-29 thomas 
213 c902213d 2022-10-29 thomas 	imsg_init(&ibuf, gotd_sock);
214 c902213d 2022-10-29 thomas 
215 c902213d 2022-10-29 thomas 	if (imsg_compose(&ibuf, GOTD_IMSG_INFO, 0, 0, -1, NULL, 0) == -1)
216 c902213d 2022-10-29 thomas 		return got_error_from_errno("imsg_compose INFO");
217 c902213d 2022-10-29 thomas 
218 c902213d 2022-10-29 thomas 	err = gotd_imsg_flush(&ibuf);
219 c902213d 2022-10-29 thomas 	while (err == NULL) {
220 c902213d 2022-10-29 thomas 		err = gotd_imsg_poll_recv(&imsg, &ibuf, 0);
221 c902213d 2022-10-29 thomas 		if (err) {
222 c902213d 2022-10-29 thomas 			if (err->code == GOT_ERR_EOF)
223 c902213d 2022-10-29 thomas 				err = NULL;
224 c902213d 2022-10-29 thomas 			break;
225 c902213d 2022-10-29 thomas 		}
226 c902213d 2022-10-29 thomas 		
227 c902213d 2022-10-29 thomas 		switch (imsg.hdr.type) {
228 c902213d 2022-10-29 thomas 		case GOTD_IMSG_ERROR:
229 c902213d 2022-10-29 thomas 			err = gotd_imsg_recv_error(NULL, &imsg);
230 c902213d 2022-10-29 thomas 			break;
231 c902213d 2022-10-29 thomas 		case GOTD_IMSG_INFO:
232 c902213d 2022-10-29 thomas 			err = show_info(&imsg);
233 c902213d 2022-10-29 thomas 			break;
234 c902213d 2022-10-29 thomas 		case GOTD_IMSG_INFO_REPO:
235 c902213d 2022-10-29 thomas 			err = show_repo_info(&imsg);
236 c902213d 2022-10-29 thomas 			break;
237 c902213d 2022-10-29 thomas 		case GOTD_IMSG_INFO_CLIENT:
238 c902213d 2022-10-29 thomas 			err = show_client_info(&imsg);
239 c902213d 2022-10-29 thomas 			break;
240 c902213d 2022-10-29 thomas 		case GOTD_IMSG_CAPABILITY:
241 c902213d 2022-10-29 thomas 			err = show_capability(&imsg);
242 c902213d 2022-10-29 thomas 			break;
243 c902213d 2022-10-29 thomas 		default:
244 c902213d 2022-10-29 thomas 			err = got_error(GOT_ERR_PRIVSEP_MSG);
245 c902213d 2022-10-29 thomas 			break;
246 c902213d 2022-10-29 thomas 		}
247 c902213d 2022-10-29 thomas 
248 c902213d 2022-10-29 thomas 		imsg_free(&imsg);
249 c902213d 2022-10-29 thomas 	}
250 c902213d 2022-10-29 thomas 
251 c902213d 2022-10-29 thomas 	imsg_clear(&ibuf);
252 c902213d 2022-10-29 thomas 	return err;
253 c902213d 2022-10-29 thomas }
254 c902213d 2022-10-29 thomas 
255 c902213d 2022-10-29 thomas __dead static void
256 c902213d 2022-10-29 thomas usage_stop(void)
257 c902213d 2022-10-29 thomas {
258 c902213d 2022-10-29 thomas 	fprintf(stderr, "usage: %s stop\n", getprogname());
259 c902213d 2022-10-29 thomas 	exit(1);
260 c902213d 2022-10-29 thomas }
261 c902213d 2022-10-29 thomas 
262 c902213d 2022-10-29 thomas static const struct got_error *
263 c902213d 2022-10-29 thomas cmd_stop(int argc, char *argv[], int gotd_sock)
264 c902213d 2022-10-29 thomas {
265 c902213d 2022-10-29 thomas 	const struct got_error *err;
266 c902213d 2022-10-29 thomas 	struct imsgbuf ibuf;
267 c902213d 2022-10-29 thomas 	struct imsg imsg;
268 c902213d 2022-10-29 thomas 
269 c902213d 2022-10-29 thomas 	imsg_init(&ibuf, gotd_sock);
270 c902213d 2022-10-29 thomas 
271 c902213d 2022-10-29 thomas 	if (imsg_compose(&ibuf, GOTD_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
272 c902213d 2022-10-29 thomas 		return got_error_from_errno("imsg_compose STOP");
273 c902213d 2022-10-29 thomas 
274 c902213d 2022-10-29 thomas 	err = gotd_imsg_flush(&ibuf);
275 c902213d 2022-10-29 thomas 	while (err == NULL) {
276 c902213d 2022-10-29 thomas 		err = gotd_imsg_poll_recv(&imsg, &ibuf, 0);
277 c902213d 2022-10-29 thomas 		if (err) {
278 c902213d 2022-10-29 thomas 			if (err->code == GOT_ERR_EOF)
279 c902213d 2022-10-29 thomas 				err = NULL;
280 c902213d 2022-10-29 thomas 			break;
281 c902213d 2022-10-29 thomas 		}
282 c902213d 2022-10-29 thomas 		
283 c902213d 2022-10-29 thomas 		switch (imsg.hdr.type) {
284 c902213d 2022-10-29 thomas 		case GOTD_IMSG_ERROR:
285 c902213d 2022-10-29 thomas 			err = gotd_imsg_recv_error(NULL, &imsg);
286 c902213d 2022-10-29 thomas 			break;
287 c902213d 2022-10-29 thomas 		default:
288 c902213d 2022-10-29 thomas 			err = got_error(GOT_ERR_PRIVSEP_MSG);
289 c902213d 2022-10-29 thomas 			break;
290 c902213d 2022-10-29 thomas 		}
291 c902213d 2022-10-29 thomas 
292 c902213d 2022-10-29 thomas 		imsg_free(&imsg);
293 c902213d 2022-10-29 thomas 	}
294 c902213d 2022-10-29 thomas 
295 c902213d 2022-10-29 thomas 	imsg_clear(&ibuf);
296 c902213d 2022-10-29 thomas 	return err;
297 c902213d 2022-10-29 thomas }
298 c902213d 2022-10-29 thomas 
299 c902213d 2022-10-29 thomas static void
300 c902213d 2022-10-29 thomas list_commands(FILE *fp)
301 c902213d 2022-10-29 thomas {
302 c902213d 2022-10-29 thomas 	size_t i;
303 c902213d 2022-10-29 thomas 
304 c902213d 2022-10-29 thomas 	fprintf(fp, "commands:");
305 c902213d 2022-10-29 thomas 	for (i = 0; i < nitems(gotctl_commands); i++) {
306 c902213d 2022-10-29 thomas 		const struct gotctl_cmd *cmd = &gotctl_commands[i];
307 c902213d 2022-10-29 thomas 		fprintf(fp, " %s", cmd->cmd_name);
308 c902213d 2022-10-29 thomas 	}
309 c902213d 2022-10-29 thomas 	fputc('\n', fp);
310 c902213d 2022-10-29 thomas }
311 c902213d 2022-10-29 thomas 
312 c902213d 2022-10-29 thomas __dead static void
313 c902213d 2022-10-29 thomas usage(int hflag, int status)
314 c902213d 2022-10-29 thomas {
315 c902213d 2022-10-29 thomas 	FILE *fp = (status == 0) ? stdout : stderr;
316 c902213d 2022-10-29 thomas 
317 c691a00e 2022-11-17 thomas 	fprintf(fp, "usage: %s [-hV] [-f path] command [arg ...]\n",
318 c902213d 2022-10-29 thomas 	    getprogname());
319 c902213d 2022-10-29 thomas 	if (hflag)
320 c902213d 2022-10-29 thomas 		list_commands(fp);
321 c902213d 2022-10-29 thomas 	exit(status);
322 c902213d 2022-10-29 thomas }
323 c902213d 2022-10-29 thomas 
324 c902213d 2022-10-29 thomas static const struct got_error *
325 c902213d 2022-10-29 thomas apply_unveil(const char *unix_socket_path)
326 c902213d 2022-10-29 thomas {
327 c902213d 2022-10-29 thomas #ifdef PROFILE
328 c902213d 2022-10-29 thomas 	if (unveil("gmon.out", "rwc") != 0)
329 c902213d 2022-10-29 thomas 		return got_error_from_errno2("unveil", "gmon.out");
330 c902213d 2022-10-29 thomas #endif
331 c902213d 2022-10-29 thomas 	if (unveil(unix_socket_path, "w") != 0)
332 c902213d 2022-10-29 thomas 		return got_error_from_errno2("unveil", unix_socket_path);
333 c902213d 2022-10-29 thomas 
334 c902213d 2022-10-29 thomas 	if (unveil(NULL, NULL) != 0)
335 c902213d 2022-10-29 thomas 		return got_error_from_errno("unveil");
336 c902213d 2022-10-29 thomas 
337 c902213d 2022-10-29 thomas 	return NULL;
338 c902213d 2022-10-29 thomas }
339 c902213d 2022-10-29 thomas 
340 c902213d 2022-10-29 thomas static int
341 c902213d 2022-10-29 thomas connect_gotd(const char *socket_path)
342 c902213d 2022-10-29 thomas {
343 c902213d 2022-10-29 thomas 	const struct got_error *error = NULL;
344 c902213d 2022-10-29 thomas 	int gotd_sock = -1;
345 c902213d 2022-10-29 thomas 	struct sockaddr_un sun;
346 c902213d 2022-10-29 thomas 
347 4f218b0c 2022-10-30 thomas 	error = apply_unveil(socket_path);
348 c902213d 2022-10-29 thomas 	if (error)
349 c902213d 2022-10-29 thomas 		errx(1, "%s", error->msg);
350 c902213d 2022-10-29 thomas 
351 c902213d 2022-10-29 thomas #ifndef PROFILE
352 c902213d 2022-10-29 thomas 	if (pledge("stdio unix", NULL) == -1)
353 c902213d 2022-10-29 thomas 		err(1, "pledge");
354 c902213d 2022-10-29 thomas #endif
355 c902213d 2022-10-29 thomas 	if ((gotd_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
356 c902213d 2022-10-29 thomas 		err(1, "socket");
357 c902213d 2022-10-29 thomas 
358 c902213d 2022-10-29 thomas 	memset(&sun, 0, sizeof(sun));
359 c902213d 2022-10-29 thomas 	sun.sun_family = AF_UNIX;
360 4f218b0c 2022-10-30 thomas 	if (strlcpy(sun.sun_path, socket_path, sizeof(sun.sun_path)) >=
361 4f218b0c 2022-10-30 thomas 	    sizeof(sun.sun_path))
362 c902213d 2022-10-29 thomas 		errx(1, "gotd socket path too long");
363 c902213d 2022-10-29 thomas 	if (connect(gotd_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1)
364 4f218b0c 2022-10-30 thomas 		err(1, "connect: %s", socket_path);
365 c902213d 2022-10-29 thomas 
366 c902213d 2022-10-29 thomas #ifndef PROFILE
367 c902213d 2022-10-29 thomas 	if (pledge("stdio", NULL) == -1)
368 c902213d 2022-10-29 thomas 		err(1, "pledge");
369 c902213d 2022-10-29 thomas #endif
370 c902213d 2022-10-29 thomas 
371 c902213d 2022-10-29 thomas 	return gotd_sock;
372 c902213d 2022-10-29 thomas }
373 c902213d 2022-10-29 thomas 
374 c902213d 2022-10-29 thomas int
375 c902213d 2022-10-29 thomas main(int argc, char *argv[])
376 c902213d 2022-10-29 thomas {
377 c902213d 2022-10-29 thomas 	const struct gotctl_cmd *cmd;
378 c902213d 2022-10-29 thomas 	int gotd_sock = -1, i;
379 c902213d 2022-10-29 thomas 	int ch;
380 c902213d 2022-10-29 thomas 	int hflag = 0, Vflag = 0;
381 c902213d 2022-10-29 thomas 	static const struct option longopts[] = {
382 c902213d 2022-10-29 thomas 	    { "version", no_argument, NULL, 'V' },
383 c902213d 2022-10-29 thomas 	    { NULL, 0, NULL, 0 }
384 c902213d 2022-10-29 thomas 	};
385 4f218b0c 2022-10-30 thomas 	const char *socket_path = GOTD_UNIX_SOCKET;
386 c902213d 2022-10-29 thomas 
387 c902213d 2022-10-29 thomas 	setlocale(LC_CTYPE, "");
388 c902213d 2022-10-29 thomas 
389 c902213d 2022-10-29 thomas #ifndef PROFILE
390 c902213d 2022-10-29 thomas 	if (pledge("stdio unix unveil", NULL) == -1)
391 c902213d 2022-10-29 thomas 		err(1, "pledge");
392 c902213d 2022-10-29 thomas #endif
393 c902213d 2022-10-29 thomas 
394 c902213d 2022-10-29 thomas 	while ((ch = getopt_long(argc, argv, "+hf:V", longopts, NULL)) != -1) {
395 c902213d 2022-10-29 thomas 		switch (ch) {
396 c902213d 2022-10-29 thomas 		case 'h':
397 c902213d 2022-10-29 thomas 			hflag = 1;
398 c902213d 2022-10-29 thomas 			break;
399 c902213d 2022-10-29 thomas 		case 'f':
400 c902213d 2022-10-29 thomas 			socket_path = optarg;
401 c902213d 2022-10-29 thomas 			break;
402 c902213d 2022-10-29 thomas 		case 'V':
403 c902213d 2022-10-29 thomas 			Vflag = 1;
404 c902213d 2022-10-29 thomas 			break;
405 c902213d 2022-10-29 thomas 		default:
406 c902213d 2022-10-29 thomas 			usage(hflag, 1);
407 c902213d 2022-10-29 thomas 			/* NOTREACHED */
408 c902213d 2022-10-29 thomas 		}
409 c902213d 2022-10-29 thomas 	}
410 c902213d 2022-10-29 thomas 
411 c902213d 2022-10-29 thomas 	argc -= optind;
412 c902213d 2022-10-29 thomas 	argv += optind;
413 c902213d 2022-10-29 thomas 	optind = 1;
414 c902213d 2022-10-29 thomas 	optreset = 1;
415 c902213d 2022-10-29 thomas 
416 c902213d 2022-10-29 thomas 	if (Vflag) {
417 c902213d 2022-10-29 thomas 		got_version_print_str();
418 c902213d 2022-10-29 thomas 		return 0;
419 c902213d 2022-10-29 thomas 	}
420 c902213d 2022-10-29 thomas 
421 c902213d 2022-10-29 thomas 	if (argc <= 0)
422 c902213d 2022-10-29 thomas 		usage(hflag, hflag ? 0 : 1);
423 c902213d 2022-10-29 thomas 
424 c902213d 2022-10-29 thomas 	for (i = 0; i < nitems(gotctl_commands); i++) {
425 c902213d 2022-10-29 thomas 		const struct got_error *error;
426 c902213d 2022-10-29 thomas 
427 c902213d 2022-10-29 thomas 		cmd = &gotctl_commands[i];
428 c902213d 2022-10-29 thomas 
429 c902213d 2022-10-29 thomas 		if (strncmp(cmd->cmd_name, argv[0], strlen(argv[0])) != 0)
430 c902213d 2022-10-29 thomas 			continue;
431 c902213d 2022-10-29 thomas 
432 c902213d 2022-10-29 thomas 		if (hflag)
433 c902213d 2022-10-29 thomas 			cmd->cmd_usage();
434 c902213d 2022-10-29 thomas 
435 c902213d 2022-10-29 thomas 		gotd_sock = connect_gotd(socket_path);
436 c902213d 2022-10-29 thomas 		if (gotd_sock == -1)
437 c902213d 2022-10-29 thomas 			return 1;
438 c902213d 2022-10-29 thomas 		error = cmd->cmd_main(argc, argv, gotd_sock);
439 c902213d 2022-10-29 thomas 		close(gotd_sock);
440 c902213d 2022-10-29 thomas 		if (error) {
441 c902213d 2022-10-29 thomas 			fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
442 c902213d 2022-10-29 thomas 			return 1;
443 c902213d 2022-10-29 thomas 		}
444 c902213d 2022-10-29 thomas 
445 c902213d 2022-10-29 thomas 		return 0;
446 c902213d 2022-10-29 thomas 	}
447 c902213d 2022-10-29 thomas 
448 c902213d 2022-10-29 thomas 	fprintf(stderr, "%s: unknown command '%s'\n", getprogname(), argv[0]);
449 c902213d 2022-10-29 thomas 	list_commands(stderr);
450 c902213d 2022-10-29 thomas 	return 1;
451 c902213d 2022-10-29 thomas }