4 * Copyright (C) 2008 Dave Hansen <dave@sr71.net>
6 * This software may be redistributed and/or modified under the terms of
7 * the GNU General Public License ("GPL") version 2 as published by the
8 * Free Software Foundation.
11 #include "eyefi-config.h"
13 int eyefi_debug_level = 1;
15 int eyefi_printf(const char *fmt, ...)
21 r = vprintf(fmt, args);
27 static char *eyefi_file_name(enum eyefi_file file)
30 case REQC: return "reqc";
31 case REQM: return "reqm";
32 case RSPC: return "rspc";
33 case RSPM: return "rspm";
39 char *eyefi_file_on(enum eyefi_file file, char *mnt)
41 char *filename = eyefi_file_name(file);
42 char *full = malloc(PATHNAME_MAX);
47 sprintf(&full[0], "%s/EyeFi/%s", mnt, filename);
48 debug_printf(4, "eyefile nr: %d on '%s' is: '%s'\n", file, mnt, &full[0]);
53 * This lets us get away with a static allocation
54 * for the buffer. We make it size*2 so that we're
55 * guaranteed to be able to get a "size" buffer
56 * aligned inside of the larger one.
58 static char unaligned_buf[EYEFI_BUF_SIZE*2];
59 static void *eyefi_buf;
61 void *eyefi_response(void)
66 void dumpbuf(const char *buffer, int bytesToWrite)
69 static char linebuf[500];
71 for (i=0; i < bytesToWrite; i += 16) {
72 char *tmpbuf = &linebuf[0];
73 unsigned long sum = 0;
75 #define lprintf(args...) do { \
76 tmpbuf += sprintf(tmpbuf, ## args);\
79 lprintf("[%03d]: ", i);
80 for (j=0; j < 16; j++) {
81 u8 c = ((unsigned char *)buffer)[i+j];
82 lprintf("%02x ", (unsigned int)c);
86 for (j=0; j < 16; j++) {
87 u8 c = ((unsigned char *)buffer)[i+j];
88 if (c >= 'a' && c <= 'z')
90 else if (c >= 'A' && c <= 'Z')
92 else if (c >= '0' && c <= '9')
94 else if (c >= 0x20 && c <= 127)
102 printf("%s", linebuf);
108 void read_from(enum eyefi_file);
109 void write_to(enum eyefi_file, void *, int);
111 struct card_seq_num eyefi_seq;
112 struct card_seq_num read_seq_from(enum eyefi_file file)
114 struct card_seq_num *ret;
121 * For O_DIRECT writes to files, we need
122 * to be 512 byte aligned on Linux, I think.
123 * So, just align this to something big
124 * and be done with it. FIXME :)
126 * This probably isn't necessary on chdk,
127 * since I don't think it buffers I/O at
132 unsigned long addr = (unsigned long)&unaligned_buf[EYEFI_BUF_SIZE];
133 addr &= ~(EYEFI_BUF_SIZE-1);
134 eyefi_buf = (void *)addr;
135 debug_printf(4, "buf: %p\n", eyefi_buf);
136 debug_printf(4, "unaligned: %p\n", &unaligned_buf[0]);
140 * The real manager does this so we might
143 void zero_card_files(void)
145 char zbuf[EYEFI_BUF_SIZE];
147 memset(&zbuf[0], 0, EYEFI_BUF_SIZE);
148 //write_to(REQM, zbuf, EYEFI_BUF_SIZE);
149 write_to(REQC, zbuf, EYEFI_BUF_SIZE);
150 write_to(RSPM, zbuf, EYEFI_BUF_SIZE);
151 write_to(RSPC, zbuf, EYEFI_BUF_SIZE);
162 if (eyefi_buf != NULL)
165 debug_printf(2, "Initializing card...\n");
166 mnt = locate_eyefi_mount();
172 eyefi_seq = read_seq_from(RSPC);
173 if (eyefi_seq.seq == 0)
174 eyefi_seq.seq = 0x1234;
176 debug_printf(2, "Done initializing card...\n");
177 debug_printf(2, "seq was: %04lx\n", eyefi_seq.seq);
180 static char *eyefi_file(enum eyefi_file file)
183 return eyefi_file_on(file, locate_eyefi_mount());
186 void read_from(enum eyefi_file __file)
190 char *file = eyefi_file(__file);
195 fd = open(file, O_RDONLY);
197 open_error(file, fd);
198 retcntl = fd_dont_cache(fd);
203 ret = read(fd, eyefi_buf, EYEFI_BUF_SIZE);
204 if (eyefi_debug_level > 3)
205 dumpbuf(eyefi_buf, 128);
208 perror("bad read, retrying...");
212 debug_printf(4, "read '%s': bytes: %d fcntl: %d\n", file, ret, retcntl);
214 * There was a time when I was carefully recording how each response
215 * looked, and I counted the zeros in each response. I don't care
220 for (i=0; i < EYEFI_BUF_SIZE; i++) {
221 c = ((char *)eyefi_buf)[i];
233 void write_to(enum eyefi_file __file, void *stuff, int len)
243 file = eyefi_file(__file);
247 if (eyefi_debug_level > 3) {
248 debug_printf(3, "%s('%s', ..., %d)\n", __func__, file, len);
251 memset(eyefi_buf, 0, EYEFI_BUF_SIZE);
252 memcpy(eyefi_buf, stuff, len);
253 fd = open(file, O_RDWR|O_CREAT, 0600);
255 open_error(file, fd);
256 ret = fd_dont_cache(fd);
258 open_error(file, ret);
259 if (eyefi_debug_level > 3)
260 dumpbuf(eyefi_buf, 128);
261 ret = write(fd, eyefi_buf, EYEFI_BUF_SIZE);
263 debug_printf(3, "wrote %d bytes to '%s' (string was %d bytes)\n", ret, file, len);
265 fprintf(stderr, "error writing to '%s': ", file);
272 #define write_struct(file, s) write_to((file), s, sizeof(*(s)))
277 * Oddly enough, the sequence number appears
278 * to be of normal endianness.
280 //u32 tmpseq = be32_to_u32(seq.seq);
281 //seq.seq = u32_to_be32(tmpseq+1);
283 write_struct(REQC, &eyefi_seq);
286 u32 eyefi_current_seq(void)
288 return eyefi_seq.seq;
291 int wait_for_response(void)
296 debug_printf(3, "waiting for response...\n");
298 for (i = 0; i < 50; i++) {
299 struct card_seq_num cardseq = read_seq_from(RSPC);
300 debug_printf(3, "read rsp code: %lx, looking for: %lx raw: %lx\n", rsp, eyefi_current_seq(),
303 if (rsp == eyefi_current_seq()) {
307 if (eyefi_debug_level > 4) {
309 debug_printf(1, "command issued was: '%c'\n", ((char *)eyefi_buf)[0]);
314 debug_printf(1, "never saw card seq response\n");
317 debug_printf(3, "got good seq (%ld), reading RSPM...\n", rsp);
319 debug_printf(3, "done reading RSPM\n");
323 char *net_test_states[] = {
326 "verifying network key",
328 "testing connection to Eye-Fi server",
332 char *net_test_state_name(u8 state)
334 int size = ARRAY_SIZE(net_test_states);
337 return net_test_states[state];
340 const char *net_types[] = {
347 const char net_type_unknown[] = "unknown";
349 const char *net_type_name(u8 type)
351 int size = ARRAY_SIZE(net_types);
352 debug_printf(3, "%s(%d): '%s' size: %d\n", __func__, type, net_types[type], size);
354 return net_type_unknown;
355 return net_types[type];
358 static char lower(char c)
360 if ((c >= 'A') && (c <= 'Z'))
368 if ((c >= '0') && (c <= '9'))
370 else if ((lc >= 'a') && (lc <= 'z'))
371 return (lc - 'a') + 10;
372 debug_printf(5, "non-hex character: '%c'/'%c'\n", c, lc);
377 * Take a string like "0ab1" and make it
378 * a series of bytes: { 0x0a, 0xb1 }
380 * @len is the strlen() of the ascii
382 * Destroys the original string.
384 char *convert_ascii_to_hex(char *ascii, int len)
388 fprintf(stderr, "%s() must be even number of bytes: %d\n",
392 for (i=0; i < len; i+=2) {
393 int high = atoh(ascii[i]);
394 int low = atoh(ascii[i+1]);
395 u8 byte = (high<<4 | low);
396 if (high < 0 || low < 0) {
397 fprintf(stderr, "unable to parse hex string: '%s'\n", ascii);
400 debug_printf(6, "high: %02x low: %02x, both: %02x\n", high, low, byte);
403 for (i=len/2; i < len; i++)
408 int make_network_key(struct network_key *key, char *essid, char *pass)
411 int pass_len = strlen(pass);
412 memset(key, 0, sizeof(*key));
414 eyefi_printf(" interpreting passphrase as ");
416 case WPA_KEY_BYTES*2:
417 eyefi_printf("hex WPA");
418 hex_pass = convert_ascii_to_hex(pass, pass_len);
421 key->len = pass_len/2;
422 memcpy(&key->wpa.key[0], hex_pass, key->len);
424 case WEP_KEY_BYTES*2:
425 eyefi_printf("hex WEP");
426 hex_pass = convert_ascii_to_hex(pass, strlen(pass));
429 key->len = pass_len/2;
430 memcpy(&key->wep.key[0], hex_pass, key->len);
433 eyefi_printf("ASCII WPA");
434 pbkdf2_sha1(pass, essid, strlen(essid), 4096,
435 &key->wpa.key[0], WPA_KEY_BYTES);
436 key->len = WPA_KEY_BYTES;
439 eyefi_printf(" key (%d bytes)\n", key->len);
440 assert(key->len != 0);
444 int card_info_cmd(enum card_info_subcommand cmd)
446 struct card_info_req cir;
448 cir.subcommand = cmd;
450 write_struct(REQM, &cir);
451 return wait_for_response();
454 u32 fetch_log_length(void)
456 debug_printf(3, "%s()\n", __func__);
457 card_info_cmd(LOG_LEN);
458 struct card_info_log_len *loglen = eyefi_buf;
459 return be32_to_u32(loglen->val);
462 struct card_firmware_info *fetch_card_firmware_info(void)
464 debug_printf(2, "%s()\n", __func__);
465 card_info_cmd(FIRMWARE_INFO);
466 return (struct card_firmware_info *)eyefi_buf;
492 printf("o3 result:\n");
493 dumpbuf(eyefi_buf, 64);
495 memset(&zbuf[0], 0, EYEFI_BUF_SIZE);
499 write_to(REQM, &zbuf[0], 16384);
500 printf("o2 written\n");
501 printf("seq: %x\n", (int)eyefi_seq.seq);
504 for (i=0; i < 4; i++) {
506 printf("RSPC %d:\n", i);
507 dumpbuf(eyefi_buf, 64);
513 dumpbuf(eyefi_buf, 64);
515 memset(&zbuf[0], 0, EYEFI_BUF_SIZE);
516 write_to(RSPM, zbuf, EYEFI_BUF_SIZE);
517 write_to(REQM, zbuf, EYEFI_BUF_SIZE);
519 fdin = open("/home/dave/projects/eyefi/EYEFIFWU.BIN.2.0001", O_RDONLY);
521 fdout = open("/media/EYE-FI/EYEFIFWU.BIN", O_WRONLY|O_CREAT);
523 if (fdin <= 0 || fdout <= 0)
525 i = read(fdin, &fwbuf[0], 524288);
529 i = write(fdout, &fwbuf[0], 524288);
536 dumpbuf(eyefi_buf, 64);
539 printf("after reboot:\n");
540 dumpbuf(eyefi_buf, 64);
544 dumpbuf(eyefi_buf, 64);
548 dumpbuf(eyefi_buf, 64);
550 memset(&zbuf[0], 0, EYEFI_BUF_SIZE);
551 write_to(RSPM, zbuf, EYEFI_BUF_SIZE);
552 write_to(REQM, zbuf, EYEFI_BUF_SIZE);
556 dumpbuf(eyefi_buf, 64);
559 strcpy(tb.name, "www.sr71.net/");
560 tb.l1 = strlen(tb.name);
561 for (i = 0; i < 10; i++) {
564 write_struct(RSPM, &z);
565 write_struct(REQM, &tb);
567 printf("buffer after O %d:\n", i);
568 dumpbuf(eyefi_buf, 64);
569 printf("----------------\n");
570 write_struct(REQM, &tb);
572 printf("card info(%d):\n", i);
573 dumpbuf(eyefi_buf, 64);
574 printf("-----------\n");
578 strcpy(tb.name, "/public/eyefi/servname");
579 strcpy(tb.name, "/config/networks.xml");
580 //tb.len = strlen(tb.name);
582 for (c = 'O'; c <= 'O'; c++) {
584 write_struct(REQM, &tb);
586 printf("dumping buffer:\n");
587 dumpbuf(eyefi_buf, 64);
588 printf("buffer dump done\n");
592 struct card_info_rsp_key *fetch_card_key(void)
594 struct card_info_rsp_key *key;
596 debug_printf(2, "%s()\n", __func__);
597 card_info_cmd(CARD_KEY);
602 int issue_noarg_command(u8 cmd)
604 struct noarg_request req;
605 debug_printf(4, "%s() cmd: %d\n", __func__, cmd);
607 write_struct(REQM, &req);
608 return wait_for_response();
611 struct scanned_net_list *scan_nets(void)
613 struct scanned_net_list *scanned;
615 debug_printf(2, "%s()\n", __func__);
616 issue_noarg_command('g');
617 scanned = eyefi_response();
621 struct configured_net_list *fetch_configured_nets(void)
623 struct configured_net_list *configured;
625 debug_printf(2, "%s()\n", __func__);
626 issue_noarg_command('l');
627 configured = eyefi_buf;
631 void reboot_card(void)
633 debug_printf(2, "%s()\n", __func__);
634 issue_noarg_command('b');
637 int network_action(char cmd, char *essid, char *ascii_password)
639 struct net_request nr;
640 memset(&nr, 0, sizeof(nr));
643 strcpy(&nr.essid[0], essid);
644 nr.essid_len = strlen(essid);
646 if (ascii_password) {
647 int ret = make_network_key(&nr.key, essid, ascii_password);
651 write_struct(REQM, &nr);
652 return wait_for_response();
655 void add_network(char *essid, char *ascii_password)
657 debug_printf(2, "%s()\n", __func__);
658 network_action('a', essid, ascii_password);
661 void remove_network(char *essid)
663 debug_printf(2, "%s()\n", __func__);
664 network_action('d', essid, NULL);
667 int get_log_at_offset(u32 offset)
669 struct fetch_log_cmd cmd;
671 cmd.offset = u32_to_be32(offset);
673 debug_printf(2, "getting log at offset: %08lx\n", offset);
674 write_struct(REQM, &cmd);
675 return wait_for_response();
678 void add_log_piece(u8 *log, int log_len, u8 *piece, int piece_pos, int piece_size)
680 debug_printf(2, "%s(%p, %d, %p, %d, %d)\n", __func__, log, log_len, piece, piece_pos, piece_size);
681 if (piece_pos + piece_size > log_len) {
682 int overflow_by = (piece_pos + piece_size) - log_len;
683 int piece_overrun_pos = piece_size - overflow_by;
684 piece_size -= overflow_by;
685 memcpy(&log[0], &piece[piece_overrun_pos], overflow_by);
686 debug_printf(2, "writing %d bytes to logbuf[0] from piece[%d]\n",
687 overflow_by, piece_overrun_pos);
689 debug_printf(2, "writing %d bytes to logbuf[%d]\n", piece_size, piece_pos);
690 memcpy(&log[piece_pos], piece, piece_size);
693 int get_log_into(u8 *resbuf)
700 u32 __log_size = fetch_log_length();
701 int log_pieces = __log_size/EYEFI_BUF_SIZE;
706 /* There are 8 bytes of header in the first log entry
707 * to specify where the log starts and ends */
708 u32 log_size = __log_size - 8;
710 for (i = 0; i < log_pieces; i++) {
711 debug_printf(1, "fetching EyeFi card log part %d/%d...",
714 ret = get_log_at_offset(EYEFI_BUF_SIZE*i);
715 debug_printf(1, "done\n");
719 struct first_log_response *log = eyefi_buf;
720 log_end = log_size - be32_to_u32(log->log_end);
721 log_start = log_size - be32_to_u32(log->log_start);
722 debug_printf(2, "log end: 0x%04lx\n", log_end);
723 debug_printf(2, "log start: 0x%04lx\n", log_start);
724 log_piece = &log->data[0];
725 log_piece_size = ARRAY_SIZE(log->data);
727 struct rest_log_response *log = eyefi_buf;
728 log_piece = &log->data[0];
729 log_piece_size = ARRAY_SIZE(log->data);
731 add_log_piece(resbuf, log_size, log_piece, log_start, log_piece_size);
732 total_bytes += log_piece_size;
733 log_start += log_piece_size;
734 log_start = log_start % log_size;