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 27909800 2021-07-26 op static void ATTR_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 9d5307de 2021-07-27 op static void excmd(const char **, int);
83 9cb5f957 2021-07-29 op static const char *pp_qid_type(uint8_t);
84 9cb5f957 2021-07-29 op static void pp_qid(const uint8_t *, uint32_t);
85 ff3a2c18 2021-07-29 op static void pp_msg(uint32_t, uint8_t, uint16_t, const uint8_t *);
86 de678634 2021-07-28 op static void handle_9p(const uint8_t *, size_t);
87 5c57fb10 2021-07-26 op static void clr(void);
88 27909800 2021-07-26 op static void prompt(void);
90 27909800 2021-07-26 op static void ATTR_DEAD
91 27909800 2021-07-26 op usage(int ret)
93 27909800 2021-07-26 op fprintf(stderr,
94 27909800 2021-07-26 op "usage: %s [-chv] [-C crt] [-K key] [-H host] [-P port]\n",
95 27909800 2021-07-26 op getprogname());
96 27909800 2021-07-26 op fprintf(stderr, PACKAGE_NAME " suite version " PACKAGE_VERSION "\n");
101 27909800 2021-07-26 op sig_handler(int sig, short event, void *d)
104 27909800 2021-07-26 op * Normal signal handler rules don't apply because libevent
105 27909800 2021-07-26 op * decouples for us.
108 27909800 2021-07-26 op switch (sig) {
110 27909800 2021-07-26 op case SIGTERM:
112 5c57fb10 2021-07-26 op log_warnx("Shutting down...");
113 27909800 2021-07-26 op event_loopbreak();
116 27909800 2021-07-26 op fatalx("unexpected signal %d", sig);
121 27909800 2021-07-26 op openconn(void)
123 27909800 2021-07-26 op struct addrinfo hints, *res, *res0;
125 27909800 2021-07-26 op int save_errno;
127 27909800 2021-07-26 op const char *cause = NULL;
129 27909800 2021-07-26 op memset(&hints, 0, sizeof(hints));
130 27909800 2021-07-26 op hints.ai_family = AF_UNSPEC;
131 27909800 2021-07-26 op hints.ai_socktype = SOCK_STREAM;
132 27909800 2021-07-26 op if ((error = getaddrinfo(host, port, &hints, &res0))) {
133 27909800 2021-07-26 op warnx("%s", gai_strerror(error));
138 27909800 2021-07-26 op for (res = res0; res; res = res->ai_next) {
139 27909800 2021-07-26 op s = socket(res->ai_family, res->ai_socktype,
140 27909800 2021-07-26 op res->ai_protocol);
141 27909800 2021-07-26 op if (s == -1) {
142 27909800 2021-07-26 op cause = "socket";
146 27909800 2021-07-26 op if (connect(s, res->ai_addr, res->ai_addrlen) == -1) {
147 27909800 2021-07-26 op cause = "connect";
148 27909800 2021-07-26 op save_errno = errno;
150 27909800 2021-07-26 op errno = save_errno;
158 27909800 2021-07-26 op freeaddrinfo(res0);
161 27909800 2021-07-26 op warn("%s", cause);
167 9d5307de 2021-07-27 op mark_nonblock(int fd)
171 9d5307de 2021-07-27 op if ((flags = fcntl(fd, F_GETFL)) == -1)
172 9d5307de 2021-07-27 op fatal("fcntl(F_GETFL)");
173 9d5307de 2021-07-27 op if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1)
174 9d5307de 2021-07-27 op fatal("fcntl(F_SETFL)");
178 27909800 2021-07-26 op tls_readcb(int fd, short event, void *d)
180 27909800 2021-07-26 op struct bufferevent *bufev = d;
181 27909800 2021-07-26 op char buf[IBUF_READ_SIZE];
182 27909800 2021-07-26 op int what = EVBUFFER_READ;
183 27909800 2021-07-26 op int howmuch = IBUF_READ_SIZE;
187 27909800 2021-07-26 op if (event == EV_TIMEOUT) {
188 27909800 2021-07-26 op what |= EVBUFFER_TIMEOUT;
192 27909800 2021-07-26 op if (bufev->wm_read.high != 0)
193 27909800 2021-07-26 op howmuch = MIN(sizeof(buf), bufev->wm_read.high);
195 27909800 2021-07-26 op switch (ret = tls_read(ctx, buf, howmuch)) {
196 27909800 2021-07-26 op case TLS_WANT_POLLIN:
197 27909800 2021-07-26 op case TLS_WANT_POLLOUT:
200 27909800 2021-07-26 op what |= EVBUFFER_ERROR;
205 27909800 2021-07-26 op if (len == 0) {
206 27909800 2021-07-26 op what |= EVBUFFER_EOF;
210 27909800 2021-07-26 op if (evbuffer_add(bufev->input, buf, len) == -1) {
211 27909800 2021-07-26 op what |= EVBUFFER_ERROR;
215 27909800 2021-07-26 op event_add(&bufev->ev_read, NULL);
217 27909800 2021-07-26 op len = EVBUFFER_LENGTH(bufev->input);
218 27909800 2021-07-26 op if (bufev->wm_read.low != 0 && len < bufev->wm_read.low)
220 27909800 2021-07-26 op if (bufev->readcb != NULL)
221 27909800 2021-07-26 op (*bufev->readcb)(bufev, bufev->cbarg);
225 27909800 2021-07-26 op event_add(&bufev->ev_read, NULL);
229 27909800 2021-07-26 op (*bufev->errorcb)(bufev, what, bufev->cbarg);
233 27909800 2021-07-26 op tls_writecb(int fd, short event, void *d)
235 27909800 2021-07-26 op struct bufferevent *bufev = d;
238 27909800 2021-07-26 op short what = EVBUFFER_WRITE;
241 27909800 2021-07-26 op if (event == EV_TIMEOUT) {
242 27909800 2021-07-26 op what |= EVBUFFER_TIMEOUT;
246 9991b526 2021-08-01 op len = EVBUFFER_LENGTH(bufev->output);
247 9991b526 2021-08-01 op if (len != 0) {
248 9991b526 2021-08-01 op data = EVBUFFER_DATA(bufev->output);
250 9991b526 2021-08-01 op #if DEBUG_PACKETS
251 9991b526 2021-08-01 op hexdump("outgoing msg", data, len);
254 9991b526 2021-08-01 op switch (ret = tls_write(ctx, data, len)) {
255 27909800 2021-07-26 op case TLS_WANT_POLLIN:
256 27909800 2021-07-26 op case TLS_WANT_POLLOUT:
259 27909800 2021-07-26 op what |= EVBUFFER_ERROR;
262 27909800 2021-07-26 op evbuffer_drain(bufev->output, ret);
265 27909800 2021-07-26 op if (EVBUFFER_LENGTH(bufev->output) != 0)
266 27909800 2021-07-26 op event_add(&bufev->ev_write, NULL);
268 27909800 2021-07-26 op if (bufev->writecb != NULL &&
269 27909800 2021-07-26 op EVBUFFER_LENGTH(bufev->output) <= bufev->wm_write.low)
270 27909800 2021-07-26 op (*bufev->writecb)(bufev, bufev->cbarg);
274 27909800 2021-07-26 op event_add(&bufev->ev_write, NULL);
277 27909800 2021-07-26 op (*bufev->errorcb)(bufev, what, bufev->cbarg);
281 9991b526 2021-08-01 op client_read(struct bufferevent *bev, void *d)
283 27909800 2021-07-26 op struct evbuffer *src = EVBUFFER_INPUT(bev);
284 27909800 2021-07-26 op uint32_t len;
285 9991b526 2021-08-01 op uint8_t *data;
288 ba4a37ea 2021-07-28 op if (EVBUFFER_LENGTH(src) < sizeof(len))
291 9991b526 2021-08-01 op data = EVBUFFER_DATA(src);
293 9991b526 2021-08-01 op memcpy(&len, data, sizeof(len));
294 27909800 2021-07-26 op len = le32toh(len);
296 c26e4201 2021-08-01 op if (len < HEADERSIZE)
297 c26e4201 2021-08-01 op fatal("incoming message is too small! (%d bytes)",
300 27909800 2021-07-26 op if (len > EVBUFFER_LENGTH(src))
303 9991b526 2021-08-01 op #if DEBUG_PACKETS
304 9991b526 2021-08-01 op hexdump("incoming msg", data, len);
307 9991b526 2021-08-01 op handle_9p(data, len);
308 27909800 2021-07-26 op evbuffer_drain(src, len);
313 27909800 2021-07-26 op client_write(struct bufferevent *bev, void *data)
315 27909800 2021-07-26 op return; /* nothing to do */
319 27909800 2021-07-26 op client_error(struct bufferevent *bev, short err, void *data)
321 27909800 2021-07-26 op if (err & EVBUFFER_ERROR)
322 27909800 2021-07-26 op fatal("buffer event error");
324 27909800 2021-07-26 op if (err & EVBUFFER_EOF) {
326 27909800 2021-07-26 op log_info("EOF");
327 27909800 2021-07-26 op event_loopbreak();
332 27909800 2021-07-26 op log_warnx("unknown event error");
333 27909800 2021-07-26 op event_loopbreak();
337 9d5307de 2021-07-27 op repl_read(struct bufferevent *bev, void *d)
341 9d5307de 2021-07-27 op const char *argv[10], **ap;
344 9d5307de 2021-07-27 op line = evbuffer_readln(bev->input, &len, EVBUFFER_EOL_LF);
345 9d5307de 2021-07-27 op if (line == NULL)
348 9d5307de 2021-07-27 op for (argc = 0, ap = argv; ap < &argv[9] &&
349 9d5307de 2021-07-27 op (*ap = strsep(&line, " \t")) != NULL;) {
350 9d5307de 2021-07-27 op if (**ap != '\0')
351 9d5307de 2021-07-27 op ap++, argc++;
355 9d5307de 2021-07-27 op excmd(argv, argc);
362 9d5307de 2021-07-27 op repl_error(struct bufferevent *bev, short error, void *d)
364 9d5307de 2021-07-27 op fatalx("an error occurred");
367 4e83b30f 2021-12-14 op static inline void
368 4e83b30f 2021-12-14 op do_send(void)
370 4e83b30f 2021-12-14 op bufferevent_write_buffer(bev, evb);
373 afaad60e 2021-07-29 op /* version [version-str] */
375 afaad60e 2021-07-29 op excmd_version(const char **argv, int argc)
377 afaad60e 2021-07-29 op const char *s;
379 afaad60e 2021-07-29 op s = VERSION9P;
380 afaad60e 2021-07-29 op if (argc == 2)
383 4e83b30f 2021-12-14 op tversion(s, MSIZE9P);
387 afaad60e 2021-07-29 op /* attach fid uname aname */
389 afaad60e 2021-07-29 op excmd_attach(const char **argv, int argc)
391 4e83b30f 2021-12-14 op uint32_t fid;
392 4e83b30f 2021-12-14 op const char *errstr;
394 afaad60e 2021-07-29 op if (argc != 4)
397 afaad60e 2021-07-29 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
398 afaad60e 2021-07-29 op if (errstr != NULL) {
399 afaad60e 2021-07-29 op log_warnx("fid is %s: %s", errstr, argv[1]);
403 4e83b30f 2021-12-14 op tattach(fid, NOFID, argv[2], argv[3]);
408 afaad60e 2021-07-29 op log_warnx("usage: attach fid uname aname");
411 25359fc4 2021-07-30 op /* clunk fid */
413 25359fc4 2021-07-30 op excmd_clunk(const char **argv, int argc)
415 4e83b30f 2021-12-14 op uint32_t fid;
416 25359fc4 2021-07-30 op const char *errstr;
418 25359fc4 2021-07-30 op if (argc != 2)
421 25359fc4 2021-07-30 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
422 25359fc4 2021-07-30 op if (errstr != NULL) {
423 25359fc4 2021-07-30 op log_warnx("fid is %s: %s", errstr, argv[1]);
432 25359fc4 2021-07-30 op log_warnx("usage: clunk fid");
435 5ed7f718 2021-07-30 op /* flush oldtag */
437 5ed7f718 2021-07-30 op excmd_flush(const char **argv, int argc)
439 5ed7f718 2021-07-30 op uint16_t oldtag;
440 5ed7f718 2021-07-30 op const char *errstr;
442 5ed7f718 2021-07-30 op if (argc != 2)
445 5ed7f718 2021-07-30 op oldtag = strtonum(argv[1], 0, UINT16_MAX, &errstr);
446 5ed7f718 2021-07-30 op if (errstr != NULL) {
447 5ed7f718 2021-07-30 op log_warnx("oldtag is %s: %s", errstr, argv[1]);
451 4e83b30f 2021-12-14 op tflush(oldtag);
456 5ed7f718 2021-07-30 op log_warnx("usage: flush oldtag");
459 29bc9fe5 2021-08-01 op /* walk fid newfid wnames... */
461 29bc9fe5 2021-08-01 op excmd_walk(const char **argv, int argc)
463 4e83b30f 2021-12-14 op uint32_t fid, newfid;
464 29bc9fe5 2021-08-01 op const char *errstr;
466 29bc9fe5 2021-08-01 op if (argc < 3)
469 29bc9fe5 2021-08-01 op fid = strtonum(argv[1], 0, UINT32_MAX, &errstr);
470 29bc9fe5 2021-08-01 op if (errstr != NULL) {
471 29bc9fe5 2021-08-01 op log_warnx("fid is %s: %s", errstr, argv[1]);
475 29bc9fe5 2021-08-01 op newfid = strtonum(argv[2], 0, UINT32_MAX, &errstr);
476 29bc9fe5 2021-08-01 op if (errstr != NULL) {
477 29bc9fe5 2021-08-01 op log_warnx("newfid is %s: %s", errstr, argv[1]);
481 4e83b30f 2021-12-14 op twalk(fid, newfid, argv + 3, argc - 3);
486 29bc9fe5 2021-08-01 op log_warnx("usage: walk fid newfid wnames...");
490 afaad60e 2021-07-29 op excmd(const char **argv, int argc)
493 afaad60e 2021-07-29 op const char *name;
494 afaad60e 2021-07-29 op void (*fn)(const char **, int);
496 6b93b2b7 2021-07-29 op {"version", excmd_version},
497 6b93b2b7 2021-07-29 op {"attach", excmd_attach},
498 25359fc4 2021-07-30 op {"clunk", excmd_clunk},
499 5ed7f718 2021-07-30 op {"flush", excmd_flush},
500 29bc9fe5 2021-08-01 op {"walk", excmd_walk},
504 a8802990 2021-07-30 op if (argc == 0)
507 afaad60e 2021-07-29 op for (i = 0; i < sizeof(cmds)/sizeof(cmds[0]); ++i) {
508 afaad60e 2021-07-29 op if (!strcmp(cmds[i].name, argv[0])) {
509 afaad60e 2021-07-29 op cmds[i].fn(argv, argc);
514 afaad60e 2021-07-29 op log_warnx("Unknown command %s", *argv);
517 9cb5f957 2021-07-29 op static const char *
518 9cb5f957 2021-07-29 op pp_qid_type(uint8_t type)
520 9cb5f957 2021-07-29 op switch (type) {
521 6b93b2b7 2021-07-29 op case QTDIR: return "dir";
522 6b93b2b7 2021-07-29 op case QTAPPEND: return "append-only";
523 6b93b2b7 2021-07-29 op case QTEXCL: return "exclusive";
524 6b93b2b7 2021-07-29 op case QTMOUNT: return "mounted-channel";
525 6b93b2b7 2021-07-29 op case QTAUTH: return "authentication";
526 6b93b2b7 2021-07-29 op case QTTMP: return "non-backed-up";
527 9cb5f957 2021-07-29 op case QTSYMLINK: return "symlink";
528 6b93b2b7 2021-07-29 op case QTFILE: return "file";
531 9cb5f957 2021-07-29 op return "unknown";
535 9cb5f957 2021-07-29 op pp_qid(const uint8_t *d, uint32_t len)
537 9cb5f957 2021-07-29 op uint64_t path;
538 9cb5f957 2021-07-29 op uint32_t vers;
539 9cb5f957 2021-07-29 op uint8_t type;
541 9cb5f957 2021-07-29 op if (len < 13) {
542 9cb5f957 2021-07-29 op printf("invalid");
548 9cb5f957 2021-07-29 op memcpy(&vers, d, sizeof(vers));
549 9cb5f957 2021-07-29 op d += sizeof(vers);
550 4fa53a98 2021-07-29 op vers = le64toh(vers);
552 d28f26db 2021-07-31 op memcpy(&path, d, sizeof(path));
553 d28f26db 2021-07-31 op d += sizeof(path);
554 d28f26db 2021-07-31 op path = le64toh(path);
556 787867cb 2021-07-30 op printf("qid{path=%"PRIu64" version=%"PRIu32" type=0x%x\"%s\"}",
557 9cb5f957 2021-07-29 op path, vers, type, pp_qid_type(type));
561 ff3a2c18 2021-07-29 op pp_msg(uint32_t len, uint8_t type, uint16_t tag, const uint8_t *d)
563 ff3a2c18 2021-07-29 op uint32_t msize;
564 ff3a2c18 2021-07-29 op uint16_t slen;
566 ff3a2c18 2021-07-29 op printf("len=%"PRIu32" type=%d[%s] tag=0x%x[%d] ", len,
567 ff3a2c18 2021-07-29 op type, pp_msg_type(type), tag, tag);
569 ff3a2c18 2021-07-29 op len -= HEADERSIZE;
571 ff3a2c18 2021-07-29 op switch (type) {
572 ff3a2c18 2021-07-29 op case Rversion:
573 ff3a2c18 2021-07-29 op if (len < 6) {
574 ff3a2c18 2021-07-29 op printf("invalid: not enough space for msize "
575 ff3a2c18 2021-07-29 op "and version provided.");
579 ff3a2c18 2021-07-29 op memcpy(&msize, d, sizeof(msize));
580 ff3a2c18 2021-07-29 op d += sizeof(msize);
581 ff3a2c18 2021-07-29 op len -= sizeof(msize);
582 ff3a2c18 2021-07-29 op msize = le32toh(msize);
584 ff3a2c18 2021-07-29 op memcpy(&slen, d, sizeof(slen));
585 ff3a2c18 2021-07-29 op d += sizeof(slen);
586 ff3a2c18 2021-07-29 op len -= sizeof(slen);
587 0a4b3ca8 2021-07-30 op slen = le16toh(slen);
589 ff3a2c18 2021-07-29 op if (len != slen) {
590 ff3a2c18 2021-07-29 op printf("invalid: version string length doesn't "
591 ff3a2c18 2021-07-29 op "match. Got %d; want %d", slen, len);
595 ff3a2c18 2021-07-29 op printf("msize=%"PRIu32" version[%"PRIu16"]=\"",
596 ff3a2c18 2021-07-29 op msize, slen);
597 ff3a2c18 2021-07-29 op fwrite(d, 1, slen, stdout);
598 ff3a2c18 2021-07-29 op printf("\"");
602 9cb5f957 2021-07-29 op case Rattach:
603 9cb5f957 2021-07-29 op pp_qid(d, len);
607 25359fc4 2021-07-30 op if (len != 0)
608 25359fc4 2021-07-30 op printf("invalid Rclunk: %"PRIu32" extra bytes", len);
612 5ed7f718 2021-07-30 op if (len != 0)
613 5ed7f718 2021-07-30 op printf("invalid Rflush: %"PRIu32" extra bytes", len);
617 ef44416c 2021-08-01 op if (len < 2) {
618 ef44416c 2021-08-01 op printf("invaild Rwalk: less than two bytes (%d)",
623 ef44416c 2021-08-01 op memcpy(&slen, d, sizeof(slen));
624 ef44416c 2021-08-01 op d += sizeof(slen);
625 ef44416c 2021-08-01 op len -= sizeof(slen);
626 ef44416c 2021-08-01 op slen = le16toh(slen);
628 ef44416c 2021-08-01 op if (len != QIDSIZE * slen) {
629 ef44416c 2021-08-01 op printf("invalid Rwalk: wanted %d bytes for %d qids "
630 ef44416c 2021-08-01 op "but got %"PRIu32" bytes instead",
631 ef44416c 2021-08-01 op QIDSIZE*slen, slen, len);
635 ef44416c 2021-08-01 op printf("nwqid=%"PRIu16, slen);
637 ef44416c 2021-08-01 op for (; slen != 0; slen--) {
639 ef44416c 2021-08-01 op pp_qid(d, len);
640 ef44416c 2021-08-01 op d += QIDSIZE;
641 ef44416c 2021-08-01 op len -= QIDSIZE;
647 8e504ac0 2021-07-30 op memcpy(&slen, d, sizeof(slen));
648 8e504ac0 2021-07-30 op d += sizeof(slen);
649 8e504ac0 2021-07-30 op len -= sizeof(slen);
650 8e504ac0 2021-07-30 op slen = le16toh(slen);
652 8e504ac0 2021-07-30 op if (slen != len) {
653 8e504ac0 2021-07-30 op printf("invalid: error string length doesn't "
654 8e504ac0 2021-07-30 op "match. Got %d; want %d", slen, len);
658 8e504ac0 2021-07-30 op printf("error=\"");
659 8e504ac0 2021-07-30 op fwrite(d, 1, slen, stdout);
660 8e504ac0 2021-07-30 op printf("\"");
665 2ba6253c 2021-07-29 op printf("unknown command type");
668 ff3a2c18 2021-07-29 op printf("\n");
672 de16f136 2021-07-28 op handle_9p(const uint8_t *data, size_t size)
674 de16f136 2021-07-28 op uint32_t len;
675 de16f136 2021-07-28 op uint16_t tag;
676 de16f136 2021-07-28 op uint8_t type;
678 de16f136 2021-07-28 op assert(size >= HEADERSIZE);
680 de16f136 2021-07-28 op memcpy(&len, data, sizeof(len));
681 de16f136 2021-07-28 op data += sizeof(len);
683 de16f136 2021-07-28 op memcpy(&type, data, sizeof(type));
684 de16f136 2021-07-28 op data += sizeof(type);
686 de16f136 2021-07-28 op memcpy(&tag, data, sizeof(tag));
687 de16f136 2021-07-28 op data += sizeof(tag);
689 de16f136 2021-07-28 op len = le32toh(len);
690 27909800 2021-07-26 op /* type is one byte long, no endianness issues */
691 de16f136 2021-07-28 op tag = le16toh(tag);
694 ff3a2c18 2021-07-29 op pp_msg(len, type, tag, data);
701 5c57fb10 2021-07-26 op printf("\r");
702 5c57fb10 2021-07-26 op fflush(stdout);
708 27909800 2021-07-26 op printf("%s", PROMPT);
709 27909800 2021-07-26 op fflush(stdout);
713 27909800 2021-07-26 op main(int argc, char **argv)
715 9d5307de 2021-07-27 op int ch, sock, handshake;
716 9d5307de 2021-07-27 op struct event ev_sigint, ev_sigterm;
718 27909800 2021-07-26 op signal(SIGPIPE, SIG_IGN);
720 27909800 2021-07-26 op while ((ch = getopt(argc, argv, "C:cH:hK:P:v")) != -1) {
721 27909800 2021-07-26 op switch (ch) {
723 27909800 2021-07-26 op crtpath = optarg;
729 27909800 2021-07-26 op host = optarg;
735 27909800 2021-07-26 op keypath = optarg;
738 27909800 2021-07-26 op port = optarg;
748 27909800 2021-07-26 op if (host == NULL)
749 27909800 2021-07-26 op host = "localhost";
750 27909800 2021-07-26 op if (port == NULL)
751 27909800 2021-07-26 op port = "1337";
753 27909800 2021-07-26 op argc -= optind;
754 27909800 2021-07-26 op argv += optind;
756 27909800 2021-07-26 op if (argc != 0)
758 27909800 2021-07-26 op /* if (!tls || (crtpath != NULL || keypath != NULL)) */
759 27909800 2021-07-26 op /* usage(1); */
761 27909800 2021-07-26 op errx(1, "must enable tls (for now)");
763 27909800 2021-07-26 op log_init(1, LOG_DAEMON);
764 27909800 2021-07-26 op log_setverbose(verbose);
765 27909800 2021-07-26 op log_procinit(getprogname());
767 27909800 2021-07-26 op if ((tlsconf = tls_config_new()) == NULL)
768 27909800 2021-07-26 op fatalx("tls_config_new");
769 27909800 2021-07-26 op tls_config_insecure_noverifycert(tlsconf);
770 27909800 2021-07-26 op tls_config_insecure_noverifyname(tlsconf);
771 27909800 2021-07-26 op if (tls_config_set_keypair_file(tlsconf, crtpath, keypath) == -1)
772 27909800 2021-07-26 op fatalx("can't load certs (%s, %s)", crtpath, keypath);
774 27909800 2021-07-26 op if ((ctx = tls_client()) == NULL)
775 27909800 2021-07-26 op fatal("tls_client");
776 27909800 2021-07-26 op if (tls_configure(ctx, tlsconf) == -1)
777 27909800 2021-07-26 op fatalx("tls_configure: %s", tls_error(ctx));
779 27909800 2021-07-26 op log_info("connecting to %s:%s...", host, port);
781 27909800 2021-07-26 op if ((sock = openconn()) == -1)
782 27909800 2021-07-26 op fatalx("can't connect to %s:%s", host, port);
784 27909800 2021-07-26 op if (tls_connect_socket(ctx, sock, host) == -1)
785 27909800 2021-07-26 op fatalx("tls_connect_socket: %s", tls_error(ctx));
787 27909800 2021-07-26 op for (handshake = 0; !handshake;) {
788 27909800 2021-07-26 op switch (tls_handshake(ctx)) {
790 27909800 2021-07-26 op fatalx("tls_handshake: %s", tls_error(ctx));
792 27909800 2021-07-26 op handshake = 1;
797 27909800 2021-07-26 op log_info("connected!");
799 9d5307de 2021-07-27 op mark_nonblock(sock);
801 27909800 2021-07-26 op event_init();
803 4e83b30f 2021-12-14 op /* initialize global evb */
804 4e83b30f 2021-12-14 op if ((evb = evbuffer_new()) == NULL)
805 4e83b30f 2021-12-14 op fatal("evbuffer_new");
807 27909800 2021-07-26 op signal_set(&ev_sigint, SIGINT, sig_handler, NULL);
808 27909800 2021-07-26 op signal_set(&ev_sigterm, SIGINT, sig_handler, NULL);
810 27909800 2021-07-26 op signal_add(&ev_sigint, NULL);
811 27909800 2021-07-26 op signal_add(&ev_sigterm, NULL);
813 27909800 2021-07-26 op bev = bufferevent_new(sock, client_read, client_write, client_error,
815 27909800 2021-07-26 op if (bev == NULL)
816 27909800 2021-07-26 op fatal("bufferevent_new");
818 27909800 2021-07-26 op /* setup tls/io */
819 27909800 2021-07-26 op event_set(&bev->ev_read, sock, EV_READ, tls_readcb, bev);
820 27909800 2021-07-26 op event_set(&bev->ev_write, sock, EV_WRITE, tls_writecb, bev);
822 27909800 2021-07-26 op bufferevent_enable(bev, EV_READ|EV_WRITE);
824 9d5307de 2021-07-27 op mark_nonblock(0);
825 9d5307de 2021-07-27 op inbev = bufferevent_new(0, repl_read, NULL, repl_error, NULL);
826 9d5307de 2021-07-27 op bufferevent_enable(inbev, EV_READ);
829 27909800 2021-07-26 op event_dispatch();
831 27909800 2021-07-26 op bufferevent_free(bev);
832 27909800 2021-07-26 op tls_free(ctx);
833 27909800 2021-07-26 op tls_config_free(tlsconf);