2 27909800 2021-07-26 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
4 27909800 2021-07-26 op * Permission to use, copy, modify, and distribute this software for any
5 27909800 2021-07-26 op * purpose with or without fee is hereby granted, provided that the above
6 27909800 2021-07-26 op * copyright notice and this permission notice appear in all copies.
8 27909800 2021-07-26 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 27909800 2021-07-26 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 27909800 2021-07-26 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 27909800 2021-07-26 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 27909800 2021-07-26 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 27909800 2021-07-26 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 27909800 2021-07-26 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 27909800 2021-07-26 op #include "compat.h"
19 27909800 2021-07-26 op #include <sys/types.h>
20 27909800 2021-07-26 op #include <sys/socket.h>
22 27909800 2021-07-26 op #include <netdb.h>
24 27909800 2021-07-26 op #include <assert.h>
25 27909800 2021-07-26 op #include <endian.h>
26 27909800 2021-07-26 op #include <errno.h>
27 9d5307de 2021-07-27 op #include <fcntl.h>
28 27909800 2021-07-26 op #include <inttypes.h>
29 27909800 2021-07-26 op #include <signal.h>
30 27909800 2021-07-26 op #include <stdio.h>
31 27909800 2021-07-26 op #include <stdlib.h>
32 27909800 2021-07-26 op #include <string.h>
33 27909800 2021-07-26 op #include <syslog.h>
34 27909800 2021-07-26 op #include <tls.h>
35 27909800 2021-07-26 op #include <unistd.h>
37 4e83b30f 2021-12-14 op #include "9pclib.h"
38 27909800 2021-07-26 op #include "kamid.h"
39 27909800 2021-07-26 op #include "log.h"
40 27909800 2021-07-26 op #include "utils.h"
42 9991b526 2021-08-01 op #define DEBUG_PACKETS 0
44 01d4b7a4 2021-07-29 op #define PROMPT "=% "
49 27909800 2021-07-26 op const char *keypath;
50 27909800 2021-07-26 op const char *crtpath;
51 27909800 2021-07-26 op const char *host;
52 27909800 2021-07-26 op const char *port;
55 27909800 2021-07-26 op struct tls_config *tlsconf;
56 27909800 2021-07-26 op struct tls *ctx;
57 9d5307de 2021-07-27 op struct bufferevent *bev, *inbev;
59 a97ec9eb 2021-12-23 op static void __dead usage(int);
61 27909800 2021-07-26 op static void sig_handler(int, short, void *);
63 27909800 2021-07-26 op static int openconn(void);
64 9d5307de 2021-07-27 op static void mark_nonblock(int);
66 27909800 2021-07-26 op static void tls_readcb(int, short, void *);
67 27909800 2021-07-26 op static void tls_writecb(int, short, void *);
69 27909800 2021-07-26 op static void client_read(struct bufferevent *, void *);
70 27909800 2021-07-26 op static void client_write(struct bufferevent *, void *);
71 27909800 2021-07-26 op static void client_error(struct bufferevent *, short, void *);
73 9d5307de 2021-07-27 op static void repl_read(struct bufferevent *, void *);
74 9d5307de 2021-07-27 op static void repl_error(struct bufferevent *, short, void *);
76 afaad60e 2021-07-29 op static void excmd_version(const char **, int);
77 afaad60e 2021-07-29 op static void excmd_attach(const char **, int);
78 25359fc4 2021-07-30 op static void excmd_clunk(const char **, int);
79 5ed7f718 2021-07-30 op static void excmd_flush(const char **, int);
80 29bc9fe5 2021-08-01 op static void excmd_walk(const char ** , int);
81 f16f7555 2021-12-15 op static void excmd_open(const char ** , int);
82 c7f145d4 2021-12-20 op static void excmd_create(const char ** , int);
83 f16f7555 2021-12-15 op static void excmd_read(const char ** , int);
84 c7f145d4 2021-12-20 op static void excmd_write(const char **, int);
85 9d5307de 2021-07-27 op static void excmd(const char **, int);
87 9cb5f957 2021-07-29 op static void pp_qid(const uint8_t *, uint32_t);
88 ff3a2c18 2021-07-29 op static void pp_msg(uint32_t, uint8_t, uint16_t, const uint8_t *);
89 de678634 2021-07-28 op static void handle_9p(const uint8_t *, size_t);
90 5c57fb10 2021-07-26 op static void clr(void);
91 27909800 2021-07-26 op static void prompt(void);
93 a97ec9eb 2021-12-23 op static void __dead
94 27909800 2021-07-26 op usage(int ret)
96 27909800 2021-07-26 op fprintf(stderr,
97 27909800 2021-07-26 op "usage: %s [-chv] [-C crt] [-K key] [-H host] [-P port]\n",
98 27909800 2021-07-26 op getprogname());
99 27909800 2021-07-26 op fprintf(stderr, PACKAGE_NAME " suite version " PACKAGE_VERSION "\n");
104 27909800 2021-07-26 op sig_handler(int sig, short event, void *d)
107 27909800 2021-07-26 op * Normal signal handler rules don't apply because libevent
108 27909800 2021-07-26 op * decouples for us.
111 27909800 2021-07-26 op switch (sig) {
113 27909800 2021-07-26 op case SIGTERM:
115 5c57fb10 2021-07-26 op log_warnx("Shutting down...");
116 27909800 2021-07-26 op event_loopbreak();
119 27909800 2021-07-26 op fatalx("unexpected signal %d", sig);
124 27909800 2021-07-26 op openconn(void)
126 27909800 2021-07-26 op struct addrinfo hints, *res, *res0;
128 27909800 2021-07-26 op int save_errno;
130 27909800 2021-07-26 op const char *cause = NULL;
132 27909800 2021-07-26 op memset(&hints, 0, sizeof(hints));
133 27909800 2021-07-26 op hints.ai_family = AF_UNSPEC;
134 27909800 2021-07-26 op hints.ai_socktype = SOCK_STREAM;
135 27909800 2021-07-26 op if ((error = getaddrinfo(host, port, &hints, &res0))) {
136 27909800 2021-07-26 op warnx("%s", gai_strerror(error));
141 27909800 2021-07-26 op for (res = res0; res; res = res->ai_next) {
142 27909800 2021-07-26 op s = socket(res->ai_family, res->ai_socktype,
143 27909800 2021-07-26 op res->ai_protocol);
144 27909800 2021-07-26 op if (s == -1) {
145 27909800 2021-07-26 op cause = "socket";
149 27909800 2021-07-26 op if (connect(s, res->ai_addr, res->ai_addrlen) == -1) {
150 27909800 2021-07-26 op cause = "connect";
151 27909800 2021-07-26 op save_errno = errno;
153 27909800 2021-07-26 op errno = save_errno;
161 27909800 2021-07-26 op freeaddrinfo(res0);
164 27909800 2021-07-26 op warn("%s", cause);
170 9d5307de 2021-07-27 op mark_nonblock(int fd)
174 9d5307de 2021-07-27 op if ((flags = fcntl(fd, F_GETFL)) == -1)
175 9d5307de 2021-07-27 op fatal("fcntl(F_GETFL)");
176 9d5307de 2021-07-27 op if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1)
177 9d5307de 2021-07-27 op fatal("fcntl(F_SETFL)");
181 27909800 2021-07-26 op tls_readcb(int fd, short event, void *d)
183 27909800 2021-07-26 op struct bufferevent *bufev = d;
184 27909800 2021-07-26 op char buf[IBUF_READ_SIZE];
185 27909800 2021-07-26 op int what = EVBUFFER_READ;
186 27909800 2021-07-26 op int howmuch = IBUF_READ_SIZE;
190 27909800 2021-07-26 op if (event == EV_TIMEOUT) {
191 27909800 2021-07-26 op what |= EVBUFFER_TIMEOUT;
195 27909800 2021-07-26 op if (bufev->wm_read.high != 0)
196 27909800 2021-07-26 op howmuch = MIN(sizeof(buf), bufev->wm_read.high);
198 27909800 2021-07-26 op switch (ret = tls_read(ctx, buf, howmuch)) {
199 27909800 2021-07-26 op case TLS_WANT_POLLIN:
200 27909800 2021-07-26 op case TLS_WANT_POLLOUT:
203 27909800 2021-07-26 op what |= EVBUFFER_ERROR;
208 27909800 2021-07-26 op if (len == 0) {
209 27909800 2021-07-26 op what |= EVBUFFER_EOF;
213 27909800 2021-07-26 op if (evbuffer_add(bufev->input, buf, len) == -1) {
214 27909800 2021-07-26 op what |= EVBUFFER_ERROR;
218 27909800 2021-07-26 op event_add(&bufev->ev_read, NULL);
220 27909800 2021-07-26 op len = EVBUFFER_LENGTH(bufev->input);
221 27909800 2021-07-26 op if (bufev->wm_read.low != 0 && len < bufev->wm_read.low)
223 27909800 2021-07-26 op if (bufev->readcb != NULL)
224 27909800 2021-07-26 op (*bufev->readcb)(bufev, bufev->cbarg);
228 27909800 2021-07-26 op event_add(&bufev->ev_read, NULL);
232 27909800 2021-07-26 op (*bufev->errorcb)(bufev, what, bufev->cbarg);
236 27909800 2021-07-26 op tls_writecb(int fd, short event, void *d)
238 27909800 2021-07-26 op struct bufferevent *bufev = d;
241 27909800 2021-07-26 op short what = EVBUFFER_WRITE;
244 27909800 2021-07-26 op if (event == EV_TIMEOUT) {
245 27909800 2021-07-26 op what |= EVBUFFER_TIMEOUT;
249 9991b526 2021-08-01 op len = EVBUFFER_LENGTH(bufev->output);
250 9991b526 2021-08-01 op if (len != 0) {
251 9991b526 2021-08-01 op data = EVBUFFER_DATA(bufev->output);
253 9991b526 2021-08-01 op #if DEBUG_PACKETS
254 9991b526 2021-08-01 op hexdump("outgoing msg", data, len);
257 9991b526 2021-08-01 op switch (ret = tls_write(ctx, data, len)) {
258 27909800 2021-07-26 op case TLS_WANT_POLLIN:
259 27909800 2021-07-26 op case TLS_WANT_POLLOUT:
262 27909800 2021-07-26 op what |= EVBUFFER_ERROR;
265 27909800 2021-07-26 op evbuffer_drain(bufev->output, ret);
268 27909800 2021-07-26 op if (EVBUFFER_LENGTH(bufev->output) != 0)
269 27909800 2021-07-26 op event_add(&bufev->ev_write, NULL);
271 27909800 2021-07-26 op if (bufev->writecb != NULL &&
272 27909800 2021-07-26 op EVBUFFER_LENGTH(bufev->output) <= bufev->wm_write.low)
273 27909800 2021-07-26 op (*bufev->writecb)(bufev, bufev->cbarg);
277 27909800 2021-07-26 op event_add(&bufev->ev_write, NULL);
280 27909800 2021-07-26 op (*bufev->errorcb)(bufev, what, bufev->cbarg);
284 9991b526 2021-08-01 op client_read(struct bufferevent *bev, void *d)
286 27909800 2021-07-26 op struct evbuffer *src = EVBUFFER_INPUT(bev);
287 27909800 2021-07-26 op uint32_t len;
288 9991b526 2021-08-01 op uint8_t *data;
291 ba4a37ea 2021-07-28 op if (EVBUFFER_LENGTH(src) < sizeof(len))
294 9991b526 2021-08-01 op data = EVBUFFER_DATA(src);
296 9991b526 2021-08-01 op memcpy(&len, data, sizeof(len));
297 27909800 2021-07-26 op len = le32toh(len);
299 c26e4201 2021-08-01 op if (len < HEADERSIZE)
300 c26e4201 2021-08-01 op fatal("incoming message is too small! (%d bytes)",
303 27909800 2021-07-26 op if (len > EVBUFFER_LENGTH(src))
306 9991b526 2021-08-01 op #if DEBUG_PACKETS
307 9991b526 2021-08-01 op hexdump("incoming msg", data, len);
310 9991b526 2021-08-01 op handle_9p(data, len);
311 27909800 2021-07-26 op evbuffer_drain(src, len);
316 27909800 2021-07-26 op client_write(struct bufferevent *bev, void *data)
318 27909800 2021-07-26 op return; /* nothing to do */
322 27909800 2021-07-26 op client_error(struct bufferevent *bev, short err, void *data)
324 27909800 2021-07-26 op if (err & EVBUFFER_ERROR)
325 27909800 2021-07-26 op fatal("buffer event error");
327 27909800 2021-07-26 op if (err & EVBUFFER_EOF) {
329 27909800 2021-07-26 op log_info("EOF");
330 27909800 2021-07-26 op event_loopbreak();
335 27909800 2021-07-26 op log_warnx("unknown event error");
336 27909800 2021-07-26 op event_loopbreak();
340 9d5307de 2021-07-27 op repl_read(struct bufferevent *bev, void *d)
344 9d5307de 2021-07-27 op const char *argv[10], **ap;
347 9d5307de 2021-07-27 op line = evbuffer_readln(bev->input, &len, EVBUFFER_EOL_LF);
348 9d5307de 2021-07-27 op if (line == NULL)
351 9d5307de 2021-07-27 op for (argc = 0, ap = argv; ap < &argv[9] &&
352 9d5307de 2021-07-27 op (*ap = strsep(&line, " \t")) != NULL;) {
353 9d5307de 2021-07-27 op if (**ap != '\0')
354 9d5307de 2021-07-27 op ap++, argc++;
358 9d5307de 2021-07-27 op excmd(argv, argc);
365 9d5307de 2021-07-27 op repl_error(struct bufferevent *bev, short error, void *d)
367 9d5307de 2021-07-27 op fatalx("an error occurred");
370 4e83b30f 2021-12-14 op static inline void
371 4e83b30f 2021-12-14 op do_send(void)
373 4e83b30f 2021-12-14 op bufferevent_write_buffer(bev, evb);
376 afaad60e 2021-07-29 op /* version [version-str] */
378 afaad60e 2021-07-29 op excmd_version(const char **argv, int argc)
380 afaad60e 2021-07-29 op const char *s;
382 afaad60e 2021-07-29 op s = VERSION9P;
383 afaad60e 2021-07-29 op if (argc == 2)
386 4e83b30f 2021-12-14 op tversion(s, MSIZE9P);
390 afaad60e 2021-07-29 op /* attach fid uname aname */
392 afaad60e 2021-07-29 op excmd_attach(const char **argv, int argc)
394 4e83b30f 2021-12-14 op uint32_t fid;
395 4e83b30f 2021-12-14 op const char *errstr;
397 afaad60e 2021-07-29 op if (argc != 4)
400 afaad60e 2021-07-29 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
401 afaad60e 2021-07-29 op if (errstr != NULL) {
402 afaad60e 2021-07-29 op log_warnx("fid is %s: %s", errstr, argv[1]);
406 4e83b30f 2021-12-14 op tattach(fid, NOFID, argv[2], argv[3]);
411 afaad60e 2021-07-29 op log_warnx("usage: attach fid uname aname");
414 25359fc4 2021-07-30 op /* clunk fid */
416 25359fc4 2021-07-30 op excmd_clunk(const char **argv, int argc)
418 4e83b30f 2021-12-14 op uint32_t fid;
419 25359fc4 2021-07-30 op const char *errstr;
421 25359fc4 2021-07-30 op if (argc != 2)
424 25359fc4 2021-07-30 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
425 25359fc4 2021-07-30 op if (errstr != NULL) {
426 25359fc4 2021-07-30 op log_warnx("fid is %s: %s", errstr, argv[1]);
435 25359fc4 2021-07-30 op log_warnx("usage: clunk fid");
438 5ed7f718 2021-07-30 op /* flush oldtag */
440 5ed7f718 2021-07-30 op excmd_flush(const char **argv, int argc)
442 5ed7f718 2021-07-30 op uint16_t oldtag;
443 5ed7f718 2021-07-30 op const char *errstr;
445 5ed7f718 2021-07-30 op if (argc != 2)
448 5ed7f718 2021-07-30 op oldtag = strtonum(argv[1], 0, UINT16_MAX, &errstr);
449 5ed7f718 2021-07-30 op if (errstr != NULL) {
450 5ed7f718 2021-07-30 op log_warnx("oldtag is %s: %s", errstr, argv[1]);
454 4e83b30f 2021-12-14 op tflush(oldtag);
459 5ed7f718 2021-07-30 op log_warnx("usage: flush oldtag");
462 29bc9fe5 2021-08-01 op /* walk fid newfid wnames... */
464 29bc9fe5 2021-08-01 op excmd_walk(const char **argv, int argc)
466 4e83b30f 2021-12-14 op uint32_t fid, newfid;
467 29bc9fe5 2021-08-01 op const char *errstr;
469 29bc9fe5 2021-08-01 op if (argc < 3)
472 29bc9fe5 2021-08-01 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
473 29bc9fe5 2021-08-01 op if (errstr != NULL) {
474 29bc9fe5 2021-08-01 op log_warnx("fid is %s: %s", errstr, argv[1]);
478 29bc9fe5 2021-08-01 op newfid = strtonum(argv[2], 0, UINT32_MAX, &errstr);
479 29bc9fe5 2021-08-01 op if (errstr != NULL) {
480 29bc9fe5 2021-08-01 op log_warnx("newfid is %s: %s", errstr, argv[1]);
484 4e83b30f 2021-12-14 op twalk(fid, newfid, argv + 3, argc - 3);
489 29bc9fe5 2021-08-01 op log_warnx("usage: walk fid newfid wnames...");
492 f16f7555 2021-12-15 op /* open fid mode [flag] */
494 f16f7555 2021-12-15 op excmd_open(const char **argv, int argc)
496 f16f7555 2021-12-15 op const char *errstr;
497 f16f7555 2021-12-15 op uint32_t fid;
498 f16f7555 2021-12-15 op uint8_t mode = 0;
500 f16f7555 2021-12-15 op if (argc != 3 && argc != 4)
503 f16f7555 2021-12-15 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
504 f16f7555 2021-12-15 op if (errstr != NULL) {
505 f16f7555 2021-12-15 op log_warnx("fid is %s: %s", errstr, argv[1]);
509 f16f7555 2021-12-15 op /* parse mode */
510 f16f7555 2021-12-15 op if (!strcmp("read", argv[2]) || !strcmp("r", argv[2]))
511 f16f7555 2021-12-15 op mode = KOREAD;
512 f16f7555 2021-12-15 op else if (!strcmp("write", argv[2]) || !strcmp("w", argv[2]))
513 f16f7555 2021-12-15 op mode = KOWRITE;
514 f16f7555 2021-12-15 op else if (!strcmp("readwrite", argv[2]) || !strcmp("rw", argv[2]))
515 f16f7555 2021-12-15 op mode = KORDWR;
517 f16f7555 2021-12-15 op log_warnx("invalid mode %s", argv[2]);
521 f16f7555 2021-12-15 op /* parse flag */
522 f16f7555 2021-12-15 op if (argv[3] != NULL) {
523 f16f7555 2021-12-15 op if (!strcmp("trunc", argv[3]))
524 f16f7555 2021-12-15 op mode |= KOTRUNC;
525 f16f7555 2021-12-15 op else if (!strcmp("rclose", argv[3]))
526 f16f7555 2021-12-15 op mode |= KORCLOSE;
528 f16f7555 2021-12-15 op log_warnx("invalid flag %s", argv[3]);
533 f16f7555 2021-12-15 op topen(fid, mode);
538 f16f7555 2021-12-15 op log_warnx("usage: open fid mode [flag]");
541 c7f145d4 2021-12-20 op /* create fid path perm mode */
543 c7f145d4 2021-12-20 op excmd_create(const char **argv, int argc)
545 c7f145d4 2021-12-20 op const char *errstr;
546 c7f145d4 2021-12-20 op uint32_t fid;
547 c7f145d4 2021-12-20 op uint8_t mode = 0;
549 c7f145d4 2021-12-20 op if (argc != 5)
552 c7f145d4 2021-12-20 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
553 c7f145d4 2021-12-20 op if (errstr != NULL) {
554 c7f145d4 2021-12-20 op log_warnx("fid is %s: %s", errstr, argv[1]);
558 c7f145d4 2021-12-20 op /* parse mode */
559 c7f145d4 2021-12-20 op if (!strcmp("write", argv[4]) || !strcmp("w", argv[4]))
560 c7f145d4 2021-12-20 op mode = KOWRITE;
561 c7f145d4 2021-12-20 op else if (!strcmp("readwrite", argv[4]) || !strcmp("rw", argv[4]))
562 c7f145d4 2021-12-20 op mode = KORDWR;
564 c7f145d4 2021-12-20 op log_warnx("invalid mode %s for create", argv[4]);
568 c7f145d4 2021-12-20 op tcreate(fid, argv[2], 0, mode);
573 c7f145d4 2021-12-20 op log_warnx("usage: create fid path perm mode ; perm is unused");
577 f16f7555 2021-12-15 op /* read fid offset count */
579 f16f7555 2021-12-15 op excmd_read(const char **argv, int argc)
581 f16f7555 2021-12-15 op uint64_t off;
582 f16f7555 2021-12-15 op uint32_t fid, count;
583 f16f7555 2021-12-15 op const char *errstr;
585 f16f7555 2021-12-15 op if (argc != 4)
588 f16f7555 2021-12-15 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
589 f16f7555 2021-12-15 op if (errstr != NULL) {
590 f16f7555 2021-12-15 op log_warnx("fid is %s: %s", errstr, argv[1]);
594 f16f7555 2021-12-15 op /* should really be UNT64_MAX but it fails... */
595 f16f7555 2021-12-15 op off = strtonum(argv[2], -1, UINT32_MAX, &errstr);
596 f16f7555 2021-12-15 op if (errstr != NULL) {
597 f16f7555 2021-12-15 op log_warnx("offset is %s: %s", errstr, argv[2]);
601 f16f7555 2021-12-15 op count = strtonum(argv[3], 0, UINT32_MAX, &errstr);
602 f16f7555 2021-12-15 op if (errstr != NULL) {
603 f16f7555 2021-12-15 op log_warnx("count is %s: %s", errstr, argv[3]);
607 f16f7555 2021-12-15 op tread(fid, off, count);
612 f16f7555 2021-12-15 op log_warnx("usage: read fid offset count");
615 c7f145d4 2021-12-20 op /* write fid offset content */
617 c7f145d4 2021-12-20 op excmd_write(const char **argv, int argc)
619 c7f145d4 2021-12-20 op uint64_t off;
620 c7f145d4 2021-12-20 op uint32_t fid, count;
621 c7f145d4 2021-12-20 op const char *errstr;
623 c7f145d4 2021-12-20 op if (argc != 4)
626 c7f145d4 2021-12-20 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
627 c7f145d4 2021-12-20 op if (errstr != NULL) {
628 c7f145d4 2021-12-20 op log_warnx("fid is %s: %s", errstr, argv[1]);
632 c7f145d4 2021-12-20 op /* should really be UINT64_MAX but... */
633 c7f145d4 2021-12-20 op off = strtonum(argv[2], 0, UINT32_MAX, &errstr);
634 c7f145d4 2021-12-20 op if (errstr != NULL) {
635 c7f145d4 2021-12-20 op log_warnx("offset is %s: %s", errstr, argv[2]);
639 c7f145d4 2021-12-20 op count = strlen(argv[3]);
640 c7f145d4 2021-12-20 op twrite(fid, off, argv[3], count);
645 c7f145d4 2021-12-20 op log_warnx("usage: write fid offset content");
648 c7f145d4 2021-12-20 op /* remove fid */
650 c7f145d4 2021-12-20 op excmd_remove(const char **argv, int argc)
652 c7f145d4 2021-12-20 op const char *errstr;
653 c7f145d4 2021-12-20 op uint32_t fid;
655 c7f145d4 2021-12-20 op if (argc != 2)
658 c7f145d4 2021-12-20 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
659 c7f145d4 2021-12-20 op if (errstr != NULL) {
660 c7f145d4 2021-12-20 op log_warnx("fid is %s: %s", errstr, argv[1]);
664 c7f145d4 2021-12-20 op tremove(fid);
669 c7f145d4 2021-12-20 op log_warnx("usage: remove fid");
673 afaad60e 2021-07-29 op excmd(const char **argv, int argc)
676 afaad60e 2021-07-29 op const char *name;
677 afaad60e 2021-07-29 op void (*fn)(const char **, int);
679 6b93b2b7 2021-07-29 op {"version", excmd_version},
680 6b93b2b7 2021-07-29 op {"attach", excmd_attach},
681 25359fc4 2021-07-30 op {"clunk", excmd_clunk},
682 5ed7f718 2021-07-30 op {"flush", excmd_flush},
683 29bc9fe5 2021-08-01 op {"walk", excmd_walk},
684 f16f7555 2021-12-15 op {"open", excmd_open},
685 c7f145d4 2021-12-20 op {"create", excmd_create},
686 f16f7555 2021-12-15 op {"read", excmd_read},
687 c7f145d4 2021-12-20 op {"write", excmd_write},
688 c7f145d4 2021-12-20 op /* TODO: stat */
689 c7f145d4 2021-12-20 op {"remove", excmd_remove},
693 a8802990 2021-07-30 op if (argc == 0)
696 afaad60e 2021-07-29 op for (i = 0; i < sizeof(cmds)/sizeof(cmds[0]); ++i) {
697 afaad60e 2021-07-29 op if (!strcmp(cmds[i].name, argv[0])) {
698 afaad60e 2021-07-29 op cmds[i].fn(argv, argc);
703 afaad60e 2021-07-29 op log_warnx("Unknown command %s", *argv);
707 9cb5f957 2021-07-29 op pp_qid(const uint8_t *d, uint32_t len)
709 9cb5f957 2021-07-29 op uint64_t path;
710 9cb5f957 2021-07-29 op uint32_t vers;
711 9cb5f957 2021-07-29 op uint8_t type;
713 9cb5f957 2021-07-29 op if (len < 13) {
714 9cb5f957 2021-07-29 op printf("invalid");
720 9cb5f957 2021-07-29 op memcpy(&vers, d, sizeof(vers));
721 9cb5f957 2021-07-29 op d += sizeof(vers);
722 4fa53a98 2021-07-29 op vers = le64toh(vers);
724 d28f26db 2021-07-31 op memcpy(&path, d, sizeof(path));
725 d28f26db 2021-07-31 op d += sizeof(path);
726 d28f26db 2021-07-31 op path = le64toh(path);
728 787867cb 2021-07-30 op printf("qid{path=%"PRIu64" version=%"PRIu32" type=0x%x\"%s\"}",
729 9cb5f957 2021-07-29 op path, vers, type, pp_qid_type(type));
733 ff3a2c18 2021-07-29 op pp_msg(uint32_t len, uint8_t type, uint16_t tag, const uint8_t *d)
735 f16f7555 2021-12-15 op uint32_t msize, iounit, count;
736 f16f7555 2021-12-15 op uint16_t slen;
739 ff3a2c18 2021-07-29 op printf("len=%"PRIu32" type=%d[%s] tag=0x%x[%d] ", len,
740 ff3a2c18 2021-07-29 op type, pp_msg_type(type), tag, tag);
742 ff3a2c18 2021-07-29 op len -= HEADERSIZE;
744 ff3a2c18 2021-07-29 op switch (type) {
745 ff3a2c18 2021-07-29 op case Rversion:
746 ff3a2c18 2021-07-29 op if (len < 6) {
747 ff3a2c18 2021-07-29 op printf("invalid: not enough space for msize "
748 ff3a2c18 2021-07-29 op "and version provided.");
752 ff3a2c18 2021-07-29 op memcpy(&msize, d, sizeof(msize));
753 ff3a2c18 2021-07-29 op d += sizeof(msize);
754 ff3a2c18 2021-07-29 op len -= sizeof(msize);
755 ff3a2c18 2021-07-29 op msize = le32toh(msize);
757 ff3a2c18 2021-07-29 op memcpy(&slen, d, sizeof(slen));
758 ff3a2c18 2021-07-29 op d += sizeof(slen);
759 ff3a2c18 2021-07-29 op len -= sizeof(slen);
760 0a4b3ca8 2021-07-30 op slen = le16toh(slen);
762 ff3a2c18 2021-07-29 op if (len != slen) {
763 ff3a2c18 2021-07-29 op printf("invalid: version string length doesn't "
764 ff3a2c18 2021-07-29 op "match. Got %d; want %d", slen, len);
768 ff3a2c18 2021-07-29 op printf("msize=%"PRIu32" version[%"PRIu16"]=\"",
769 ff3a2c18 2021-07-29 op msize, slen);
770 ff3a2c18 2021-07-29 op fwrite(d, 1, slen, stdout);
771 ff3a2c18 2021-07-29 op printf("\"");
775 9cb5f957 2021-07-29 op case Rattach:
776 9cb5f957 2021-07-29 op pp_qid(d, len);
781 a72c4af6 2021-12-21 op case Rremove:
782 5ed7f718 2021-07-30 op if (len != 0)
783 a72c4af6 2021-12-21 op printf("invalid %s: %"PRIu32" extra bytes",
784 a72c4af6 2021-12-21 op pp_msg_type(type), len);
788 ef44416c 2021-08-01 op if (len < 2) {
789 ef44416c 2021-08-01 op printf("invaild Rwalk: less than two bytes (%d)",
794 ef44416c 2021-08-01 op memcpy(&slen, d, sizeof(slen));
795 ef44416c 2021-08-01 op d += sizeof(slen);
796 ef44416c 2021-08-01 op len -= sizeof(slen);
797 ef44416c 2021-08-01 op slen = le16toh(slen);
799 ef44416c 2021-08-01 op if (len != QIDSIZE * slen) {
800 ef44416c 2021-08-01 op printf("invalid Rwalk: wanted %d bytes for %d qids "
801 ef44416c 2021-08-01 op "but got %"PRIu32" bytes instead",
802 ef44416c 2021-08-01 op QIDSIZE*slen, slen, len);
806 ef44416c 2021-08-01 op printf("nwqid=%"PRIu16, slen);
808 ef44416c 2021-08-01 op for (; slen != 0; slen--) {
810 ef44416c 2021-08-01 op pp_qid(d, len);
811 ef44416c 2021-08-01 op d += QIDSIZE;
812 ef44416c 2021-08-01 op len -= QIDSIZE;
818 c7f145d4 2021-12-20 op case Rcreate:
819 f16f7555 2021-12-15 op if (len != QIDSIZE + 4) {
820 c7f145d4 2021-12-20 op printf("invalid %s: expected %d bytes; "
821 c7f145d4 2021-12-20 op "got %u\n", pp_msg_type(type), QIDSIZE + 4, len);
825 f16f7555 2021-12-15 op pp_qid(d, len);
826 f16f7555 2021-12-15 op d += QIDSIZE;
827 f16f7555 2021-12-15 op len -= QIDSIZE;
829 f16f7555 2021-12-15 op memcpy(&iounit, d, sizeof(iounit));
830 f16f7555 2021-12-15 op d += sizeof(iounit);
831 f16f7555 2021-12-15 op len -= sizeof(iounit);
832 f16f7555 2021-12-15 op iounit = le32toh(iounit);
833 f16f7555 2021-12-15 op printf(" iounit=%"PRIu32, iounit);
837 f16f7555 2021-12-15 op if (len < sizeof(count)) {
838 f16f7555 2021-12-15 op printf("invalid Rread: expected %zu bytes at least; "
839 f16f7555 2021-12-15 op "got %u\n", sizeof(count), len);
843 f16f7555 2021-12-15 op memcpy(&count, d, sizeof(count));
844 f16f7555 2021-12-15 op d += sizeof(count);
845 f16f7555 2021-12-15 op len -= sizeof(count);
846 f16f7555 2021-12-15 op count = le32toh(count);
848 f16f7555 2021-12-15 op if (len != count) {
849 f16f7555 2021-12-15 op printf("invalid Rread: expected %d data bytes; "
850 f16f7555 2021-12-15 op "got %u\n", count, len);
854 f16f7555 2021-12-15 op /* allocates three extra bytes, oh well... */
855 f16f7555 2021-12-15 op if ((v = calloc(count + 1, 4)) == NULL)
856 f16f7555 2021-12-15 op fatal("calloc");
857 f16f7555 2021-12-15 op strvisx(v, d, count, VIS_SAFE | VIS_TAB | VIS_NL | VIS_CSTYLE);
858 f16f7555 2021-12-15 op printf("data=%s", v);
864 c7f145d4 2021-12-20 op if (len != sizeof(count)) {
865 c7f145d4 2021-12-20 op printf("invalid Rwrite: expected %zu data bytes; "
866 c7f145d4 2021-12-20 op "got %u\n", sizeof(count), len);
870 c7f145d4 2021-12-20 op memcpy(&count, d, sizeof(count));
871 c7f145d4 2021-12-20 op d += sizeof(count);
872 c7f145d4 2021-12-20 op len -= sizeof(count);
873 c7f145d4 2021-12-20 op count = le32toh(count);
875 c7f145d4 2021-12-20 op printf("count=%d", count);
879 8e504ac0 2021-07-30 op memcpy(&slen, d, sizeof(slen));
880 8e504ac0 2021-07-30 op d += sizeof(slen);
881 8e504ac0 2021-07-30 op len -= sizeof(slen);
882 8e504ac0 2021-07-30 op slen = le16toh(slen);
884 8e504ac0 2021-07-30 op if (slen != len) {
885 8e504ac0 2021-07-30 op printf("invalid: error string length doesn't "
886 8e504ac0 2021-07-30 op "match. Got %d; want %d", slen, len);
890 8e504ac0 2021-07-30 op printf("error=\"");
891 8e504ac0 2021-07-30 op fwrite(d, 1, slen, stdout);
892 8e504ac0 2021-07-30 op printf("\"");
897 f16f7555 2021-12-15 op if ((v = calloc(len + 1, 4)) == NULL)
898 f16f7555 2021-12-15 op fatal("calloc");
899 f16f7555 2021-12-15 op strvisx(v, d, len, VIS_SAFE | VIS_TAB | VIS_NL | VIS_CSTYLE);
900 f16f7555 2021-12-15 op printf("body=%s", v);
904 ff3a2c18 2021-07-29 op printf("\n");
908 de16f136 2021-07-28 op handle_9p(const uint8_t *data, size_t size)
910 de16f136 2021-07-28 op uint32_t len;
911 de16f136 2021-07-28 op uint16_t tag;
912 de16f136 2021-07-28 op uint8_t type;
914 de16f136 2021-07-28 op assert(size >= HEADERSIZE);
916 de16f136 2021-07-28 op memcpy(&len, data, sizeof(len));
917 de16f136 2021-07-28 op data += sizeof(len);
919 de16f136 2021-07-28 op memcpy(&type, data, sizeof(type));
920 de16f136 2021-07-28 op data += sizeof(type);
922 de16f136 2021-07-28 op memcpy(&tag, data, sizeof(tag));
923 de16f136 2021-07-28 op data += sizeof(tag);
925 de16f136 2021-07-28 op len = le32toh(len);
926 27909800 2021-07-26 op /* type is one byte long, no endianness issues */
927 de16f136 2021-07-28 op tag = le16toh(tag);
930 ff3a2c18 2021-07-29 op pp_msg(len, type, tag, data);
937 5c57fb10 2021-07-26 op printf("\r");
938 5c57fb10 2021-07-26 op fflush(stdout);
944 27909800 2021-07-26 op printf("%s", PROMPT);
945 27909800 2021-07-26 op fflush(stdout);
949 27909800 2021-07-26 op main(int argc, char **argv)
951 9d5307de 2021-07-27 op int ch, sock, handshake;
952 9d5307de 2021-07-27 op struct event ev_sigint, ev_sigterm;
954 27909800 2021-07-26 op signal(SIGPIPE, SIG_IGN);
956 27909800 2021-07-26 op while ((ch = getopt(argc, argv, "C:cH:hK:P:v")) != -1) {
957 27909800 2021-07-26 op switch (ch) {
959 27909800 2021-07-26 op crtpath = optarg;
965 27909800 2021-07-26 op host = optarg;
971 27909800 2021-07-26 op keypath = optarg;
974 27909800 2021-07-26 op port = optarg;
984 27909800 2021-07-26 op if (host == NULL)
985 27909800 2021-07-26 op host = "localhost";
986 27909800 2021-07-26 op if (port == NULL)
987 27909800 2021-07-26 op port = "1337";
989 27909800 2021-07-26 op argc -= optind;
990 27909800 2021-07-26 op argv += optind;
992 27909800 2021-07-26 op if (argc != 0)
994 27909800 2021-07-26 op /* if (!tls || (crtpath != NULL || keypath != NULL)) */
995 27909800 2021-07-26 op /* usage(1); */
997 27909800 2021-07-26 op errx(1, "must enable tls (for now)");
999 27909800 2021-07-26 op log_init(1, LOG_DAEMON);
1000 27909800 2021-07-26 op log_setverbose(verbose);
1001 27909800 2021-07-26 op log_procinit(getprogname());
1003 27909800 2021-07-26 op if ((tlsconf = tls_config_new()) == NULL)
1004 27909800 2021-07-26 op fatalx("tls_config_new");
1005 27909800 2021-07-26 op tls_config_insecure_noverifycert(tlsconf);
1006 27909800 2021-07-26 op tls_config_insecure_noverifyname(tlsconf);
1007 27909800 2021-07-26 op if (tls_config_set_keypair_file(tlsconf, crtpath, keypath) == -1)
1008 27909800 2021-07-26 op fatalx("can't load certs (%s, %s)", crtpath, keypath);
1010 27909800 2021-07-26 op if ((ctx = tls_client()) == NULL)
1011 27909800 2021-07-26 op fatal("tls_client");
1012 27909800 2021-07-26 op if (tls_configure(ctx, tlsconf) == -1)
1013 27909800 2021-07-26 op fatalx("tls_configure: %s", tls_error(ctx));
1015 27909800 2021-07-26 op log_info("connecting to %s:%s...", host, port);
1017 27909800 2021-07-26 op if ((sock = openconn()) == -1)
1018 27909800 2021-07-26 op fatalx("can't connect to %s:%s", host, port);
1020 27909800 2021-07-26 op if (tls_connect_socket(ctx, sock, host) == -1)
1021 27909800 2021-07-26 op fatalx("tls_connect_socket: %s", tls_error(ctx));
1023 27909800 2021-07-26 op for (handshake = 0; !handshake;) {
1024 27909800 2021-07-26 op switch (tls_handshake(ctx)) {
1026 27909800 2021-07-26 op fatalx("tls_handshake: %s", tls_error(ctx));
1028 27909800 2021-07-26 op handshake = 1;
1033 27909800 2021-07-26 op log_info("connected!");
1035 9d5307de 2021-07-27 op mark_nonblock(sock);
1037 27909800 2021-07-26 op event_init();
1039 4e83b30f 2021-12-14 op /* initialize global evb */
1040 4e83b30f 2021-12-14 op if ((evb = evbuffer_new()) == NULL)
1041 4e83b30f 2021-12-14 op fatal("evbuffer_new");
1043 27909800 2021-07-26 op signal_set(&ev_sigint, SIGINT, sig_handler, NULL);
1044 27909800 2021-07-26 op signal_set(&ev_sigterm, SIGINT, sig_handler, NULL);
1046 27909800 2021-07-26 op signal_add(&ev_sigint, NULL);
1047 27909800 2021-07-26 op signal_add(&ev_sigterm, NULL);
1049 27909800 2021-07-26 op bev = bufferevent_new(sock, client_read, client_write, client_error,
1051 27909800 2021-07-26 op if (bev == NULL)
1052 27909800 2021-07-26 op fatal("bufferevent_new");
1054 27909800 2021-07-26 op /* setup tls/io */
1055 27909800 2021-07-26 op event_set(&bev->ev_read, sock, EV_READ, tls_readcb, bev);
1056 27909800 2021-07-26 op event_set(&bev->ev_write, sock, EV_WRITE, tls_writecb, bev);
1058 27909800 2021-07-26 op bufferevent_enable(bev, EV_READ|EV_WRITE);
1060 9d5307de 2021-07-27 op mark_nonblock(0);
1061 9d5307de 2021-07-27 op inbev = bufferevent_new(0, repl_read, NULL, repl_error, NULL);
1062 9d5307de 2021-07-27 op bufferevent_enable(inbev, EV_READ);
1065 27909800 2021-07-26 op event_dispatch();
1067 27909800 2021-07-26 op bufferevent_free(bev);
1068 27909800 2021-07-26 op tls_free(ctx);
1069 27909800 2021-07-26 op tls_config_free(tlsconf);
1070 27909800 2021-07-26 op close(sock);