|
1 2 3 4 5 6 7 |
if (strstr(pusrdata, "GET / HTTP/1.1") != NULL) //Display Config request { char * ResponseToSend = "<!DOCTYPE html><html><body><form action=\"upload\" method=\"post\" enctype=\"multipart/form-data\">Select image to upload:<input type=\"file\" name=\"fileToUpload\" id=\"fileToUpload\"><input type=\"submit\" value=\"Upload Image\" name=\"submit\"></form></body></html>"; //espconn_send(pespconn, ResponseToSend, os_strlen(ResponseToSend)); HttpSendWithHeader(pespconn, ResponseToSend); } |
So Recently I coded this nice little piece for the ESP8266, It sends a Web form asking a User to upload a file to the web server, Now when it does it post the following command back
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 |
POST /upload HTTP/1.1 Host: 192.168.1.51 Connection: keep-alive Content-Length: 1013730 Cache-Control: max-age=0 Origin: http://192.168.1.51 Upgrade-Insecure-Requests: 1 Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryVD9Qk48AHQFOiDEY User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8 Referer: http://192.168.1.51/ Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 WebServerConn_recv_callback------WebKitFormBoundaryVD9Qk48AHQFOiDEY Content-Disposition: form-data; name="fileToUpload"; filename="Chapter 2 Data Files (1).zip" Content-Type: application/x-zip-compressed PK WebServerConn_recv_callbackT�I�V�7��]%j "�G�z�Z��M��|*�Y� < ʠ�%� �Ā��^���� �=wV�t�?�Jj��hA��x |���Z> ���ϊf�4�c\�~�c�y��9��A7$ ��:�M��������mO6|z�������,�Io �W�>¼H��k)�2������O |
Hex translated.
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 |
00000000 50 4f 53 54 20 2f 75 70 6c 6f 61 64 20 48 54 54 POST /up load HTT 00000010 50 2f 31 2e 31 0d 0a 48 6f 73 74 3a 20 31 39 32 P/1.1..H ost: 192 00000020 2e 31 36 38 2e 31 2e 35 31 0d 0a 43 6f 6e 6e 65 .168.1.5 1..Conne 00000030 63 74 69 6f 6e 3a 20 6b 65 65 70 2d 61 6c 69 76 ction: k eep-aliv 00000040 65 0d 0a 43 6f 6e 74 65 6e 74 2d 4c 65 6e 67 74 e..Conte nt-Lengt 00000050 68 3a 20 32 32 36 30 33 33 0d 0a 43 61 63 68 65 h: 22603 3..Cache 00000060 2d 43 6f 6e 74 72 6f 6c 3a 20 6d 61 78 2d 61 67 -Control : max-ag 00000070 65 3d 30 0d 0a 55 70 67 72 61 64 65 2d 49 6e 73 e=0..Upg rade-Ins 00000080 65 63 75 72 65 2d 52 65 71 75 65 73 74 73 3a 20 ecure-Re quests: 00000090 31 0d 0a 55 73 65 72 2d 41 67 65 6e 74 3a 20 4d 1..User- Agent: M 000000A0 6f 7a 69 6c 6c 61 2f 35 2e 30 20 28 57 69 6e 64 ozilla/5 .0 (Wind 000000B0 6f 77 73 20 4e 54 20 31 30 2e 30 3b 20 57 69 6e ows NT 1 0.0; Win 000000C0 36 34 3b 20 78 36 34 29 20 41 70 70 6c 65 57 65 64; x64) AppleWe 000000D0 62 4b 69 74 2f 35 33 37 2e 33 36 20 28 4b 48 54 bKit/537 .36 (KHT 000000E0 4d 4c 2c 20 6c 69 6b 65 20 47 65 63 6b 6f 29 20 ML, like Gecko) 000000F0 43 68 72 6f 6d 65 2f 37 31 2e 30 2e 33 35 37 38 Chrome/7 1.0.3578 00000100 2e 39 38 20 53 61 66 61 72 69 2f 35 33 37 2e 33 .98 Safa ri/537.3 00000110 36 0d 0a 4f 72 69 67 69 6e 3a 20 68 74 74 70 3a 6..Origi n: http: 00000120 2f 2f 31 39 32 2e 31 36 38 2e 31 2e 35 31 0d 0a //192.16 8.1.51.. 00000130 43 6f 6e 74 65 6e 74 2d 54 79 70 65 3a 20 6d 75 Content- Type: mu 00000140 6c 74 69 70 61 72 74 2f 66 6f 72 6d 2d 64 61 74 ltipart/ form-dat 00000150 61 3b 20 62 6f 75 6e 64 61 72 79 3d 2d 2d 2d 2d a; bound ary=---- 00000160 57 65 62 4b 69 74 46 6f 72 6d 42 6f 75 6e 64 61 WebKitFo rmBounda 00000170 72 79 30 66 62 31 42 51 35 71 59 6e 79 46 64 68 ry0fb1BQ 5qYnyFdh 00000180 67 6e 0d 0a 41 63 63 65 70 74 3a 20 74 65 78 74 gn..Acce pt: text 00000190 2f 68 74 6d 6c 2c 61 70 70 6c 69 63 61 74 69 6f /html,ap plicatio 000001A0 6e 2f 78 68 74 6d 6c 2b 78 6d 6c 2c 61 70 70 6c n/xhtml+ xml,appl 000001B0 69 63 61 74 69 6f 6e 2f 78 6d 6c 3b 71 3d 30 2e ication/ xml;q=0. 000001C0 39 2c 69 6d 61 67 65 2f 77 65 62 70 2c 69 6d 61 9,image/ webp,ima 000001D0 67 65 2f 61 70 6e 67 2c 2a 2f 2a 3b 71 3d 30 2e ge/apng, */*;q=0. 000001E0 38 0d 0a 52 65 66 65 72 65 72 3a 20 68 74 74 70 8..Refer er: http 000001F0 3a 2f 2f 31 39 32 2e 31 36 38 2e 31 2e 35 31 2f ://192.1 68.1.51/ 00000200 0d 0a 41 63 63 65 70 74 2d 45 6e 63 6f 64 69 6e ..Accept -Encodin 00000210 67 3a 20 67 7a 69 70 2c 20 64 65 66 6c 61 74 65 g: gzip, deflate 00000220 0d 0a 41 63 63 65 70 74 2d 4c 61 6e 67 75 61 67 ..Accept -Languag 00000230 65 3a 20 65 6e 2d 55 53 2c 65 6e 3b 71 3d 30 2e e: en-US ,en;q=0. 00000240 39 0d 0a 0d 0a 9.... 00000245 2d 2d 2d 2d 2d 2d 57 65 62 4b 69 74 46 6f 72 6d ------We bKitForm 00000255 42 6f 75 6e 64 61 72 79 30 66 62 31 42 51 35 71 Boundary 0fb1BQ5q 00000265 59 6e 79 46 64 68 67 6e 0d 0a 43 6f 6e 74 65 6e YnyFdhgn ..Conten 00000275 74 2d 44 69 73 70 6f 73 69 74 69 6f 6e 3a 20 66 t-Dispos ition: f 00000285 6f 72 6d 2d 64 61 74 61 3b 20 6e 61 6d 65 3d 22 orm-data ; name=" 00000295 66 69 6c 65 54 6f 55 70 6c 6f 61 64 22 3b 20 66 fileToUp load"; f 000002A5 69 6c 65 6e 61 6d 65 3d 22 74 65 73 74 66 6f 74 ilename= "testfot 000002B5 61 2d 30 78 30 31 30 30 30 2e 62 69 6e 22 0d 0a a-0x0100 0.bin".. 000002C5 43 6f 6e 74 65 6e 74 2d 54 79 70 65 3a 20 61 70 Content- Type: ap 000002D5 70 6c 69 63 61 74 69 6f 6e 2f 6f 63 74 65 74 2d plicatio n/octet- 000002E5 73 74 72 65 61 6d 0d 0a 0d 0a ea 04 00 00 04 00 stream.. ........ 000002F5 10 40 00 00 00 00 80 05 03 00 90 83 fe 3f 60 84 .@...... .....?`. 00000305 fe 3f 08 0e 10 40 6b c0 3f 00 b8 83 fe 3f 08 84 .?...@k. ?....?.. 00000315 fe 3f 38 08 00 60 40 10 20 40 98 0f 00 40 50 4c .?8..`@. @...@PL 00000325 00 40 94 19 10 40 d0 4c 00 40 12 c1 f0 09 31 f9 .@...@.L .@....1. 00000335 21 fd 01 21 f1 ff 31 f2 ff 01 f2 ff c0 00 00 1d !..!..1. ........ 00000345 0f 08 31 f8 21 12 c1 10 0d f0 12 c1 e0 09 71 c9 ..1.!... ......q. 00000355 61 f9 51 fd 01 0c 02 32 a2 b6 05 0c 00 0c 02 45 a.Q....2 .......E 00000365 6a 02 0c 02 05 6f 04 1c 02 01 ec ff c0 00 00 01 j....o.. ........ 00000375 eb ff c0 00 00 0c 02 29 0f 0c 02 29 1f 0c 02 29 .......) ...)...) 00000385 2f 0c 02 29 3f 21 e0 ff 3d 0f 0c 14 01 e5 ff c0 /..)?!.. =....... 00000395 00 00 c5 5c 01 56 d2 01 05 ec 04 cd 02 45 5c 01 ...\.V.. .....E\. 000003A5 4d 02 28 0f 20 50 74 21 d8 ff 3d 0c 01 d5 ff c0 M.(. Pt! ..=..... 000003B5 00 00 c6 06 00 00 05 ea 04 20 c2 20 45 5a 01 4d ........ . . EZ.M 000003C5 02 28 0f 20 50 74 21 d2 ff 3d 0c 01 cd ff c0 00 .(. Pt!. .=...... 000003D5 00 21 d0 ff 31 cf ff c0 20 00 48 03 32 ae cf 30 .!..1... .H.2..0 000003E5 34 10 c0 20 00 39 02 0c 42 0c 03 0c 04 0c 05 01 4.. .9.. B....... 000003F5 cd ff c0 00 00 21 c8 ff 85 08 02 1d 0f 08 71 c8 .....!.. ......q. 00000405 61 f8 51 12 c1 20 0d f0 00 00 00 0f 00 00 ff ff a.Q.. .. ........ 00000415 0f 00 00 fe ff 5f 00 00 06 00 ff ff f9 ff 61 fd ....._.. ......a. 00000425 ff 51 fa ff 91 fa ff 20 55 d1 90 93 10 6a 55 c0 .Q..... U....jU. 00000435 20 00 92 65 85 81 f8 ff c0 20 00 72 25 88 80 77 ..e.... . .r%..w 00000445 20 c0 20 00 72 65 88 61 f4 ff c0 20 00 42 25 88 . .re.a ... .B%. ... ... ... 00037275 00 7c 07 03 03 00 3c 00 00 00 ff ff ff ff 80 83 .|....<. ........ 00037285 fe 3f 04 02 00 00 32 2e 31 2e 30 28 31 31 36 62 .?....2. 1.0(116b 00037295 37 36 32 29 00 00 5b 25 73 5d 20 46 4f 54 41 20 762)..[% s] FOTA 000372A5 46 49 52 4d 57 41 52 45 20 4c 4f 41 44 45 44 20 FIRMWARE LOADED 000372B5 41 4e 44 20 54 45 53 54 45 44 21 0d 0a 00 0d 0a AND TEST ED!..... 000372C5 0d 0a 53 74 61 72 74 69 6e 67 20 45 53 50 38 32 ..Starti ng ESP82 000372D5 36 36 21 0d 0a 53 44 4b 20 76 65 72 73 69 6f 6e 66!..SDK version 000372E5 3a 25 73 0d 0a 4c 6f 61 64 65 64 20 66 72 6f 6d :%s..Loa ded from 000372F5 3a 20 30 78 25 30 32 78 0d 0a 56 64 64 33 33 5f : 0x%02x ..Vdd33_ 00037305 43 6f 6e 73 74 3a 20 25 30 32 78 0d 0a 00 0d 0a Const: % 02x..... 00037315 0d 0a 53 74 61 72 74 69 6e 67 20 45 53 50 38 32 ..Starti ng ESP82 00037325 36 36 20 46 4f 54 41 21 0d 0a 53 44 4b 20 76 65 66 FOTA! ..SDK ve 00037335 72 73 69 6f 6e 3a 25 73 0d 0a 4c 6f 61 64 65 64 rsion:%s ..Loaded 00037345 20 66 72 6f 6d 3a 20 30 78 25 30 32 78 0d 0a 56 from: 0 x%02x..V 00037355 64 64 33 33 5f 43 6f 6e 73 74 3a 20 25 30 32 78 dd33_Con st: %02x 00037365 0d 0a 00 00 00 00 73 64 6b 5f 69 6e 69 74 5f 64 ......sd k_init_d 00037375 6f 6e 65 5f 63 62 00 00 00 00 64 00 00 00 14 08 one_cb.. ..d..... 00037385 40 00 dd 07 00 50 f2 02 00 01 00 00 00 00 ff ff @....P.. ........ 00037395 ff ff ff ff 00 00 72 69 6e 67 62 75 66 5f 66 72 ......ri ngbuf_fr 000373A5 65 65 00 00 00 00 72 69 6e 67 62 75 66 5f 6e 65 ee....ri ngbuf_ne 000373B5 78 74 70 00 00 00 72 69 6e 67 62 75 66 5f 66 69 xtp...ri ngbuf_fi 000373C5 6e 64 63 68 72 00 72 69 6e 67 62 75 66 5f 6d 65 ndchr.ri ngbuf_me 000373D5 6d 73 65 74 00 00 72 69 6e 67 62 75 66 5f 6d 65 mset..ri ngbuf_me 000373E5 6d 63 70 79 5f 69 6e 74 6f 00 00 00 00 00 00 00 mcpy_int o....... 000373F5 00 00 00 00 00 00 72 69 6e 67 62 75 66 5f 6d 65 ......ri ngbuf_me 00037405 6d 63 70 79 5f 66 72 6f 6d 00 04 08 10 0c 04 08 mcpy_fro m....... 00037415 10 0c 00 00 20 42 00 00 80 43 00 00 00 00 00 00 .... B.. .C...... 00037425 20 41 25 73 20 25 75 0a 00 00 6d 61 69 00 74 69 A%s %u. ..mai.ti 00037435 6d 00 45 3a 4d 20 25 64 0a 00 25 78 20 61 6c 72 m.E:M %d ..%x alr 00037445 65 61 64 79 20 66 72 65 65 64 0a 00 00 00 2c 01 eady fre ed....,. 00037455 00 00 18 fe 34 00 ff ff ff ff ff ff 00 00 25 30 ....4... ......%0 00037465 32 58 00 00 00 00 25 30 32 78 00 00 00 00 6d 61 2X....%0 2x....ma 00037475 63 00 70 6d 00 00 66 70 6d 00 70 70 00 00 64 65 c.pm..fp m.pp..de 00037485 76 00 88 85 fe 3f 50 e8 fe 3f 00 00 00 00 00 00 v....?P. .?...... 00037495 00 00 00 00 00 00 00 00 00 a5 0d 0a 2d 2d 2d 2d ........ ....---- 000374A5 2d 2d 57 65 62 4b 69 74 46 6f 72 6d 42 6f 75 6e --WebKit FormBoun 000374B5 64 61 72 79 30 66 62 31 42 51 35 71 59 6e 79 46 dary0fb1 BQ5qYnyF 000374C5 64 68 67 6e 0d 0a 43 6f 6e 74 65 6e 74 2d 44 69 dhgn..Co ntent-Di 000374D5 73 70 6f 73 69 74 69 6f 6e 3a 20 66 6f 72 6d 2d spositio n: form- 000374E5 64 61 74 61 3b 20 6e 61 6d 65 3d 22 73 75 62 6d data; na me="subm 000374F5 69 74 22 0d 0a 0d 0a 55 70 6c 6f 61 64 20 49 6d it"....U pload Im 00037505 61 67 65 0d 0a 2d 2d 2d 2d 2d 2d 57 65 62 4b 69 age..--- ---WebKi 00037515 74 46 6f 72 6d 42 6f 75 6e 64 61 72 79 30 66 62 tFormBou ndary0fb 00037525 31 42 51 35 71 59 6e 79 46 64 68 67 6e 2d 2d 0d 1BQ5qYny Fdhgn--. 00037535 0a . |
We have to parse the data as it comes in
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 |
if (RemotePortsOpenedInDownload == pespconn->proto.tcp->remote_port) { os_printf("Incoming file data gcontentlength = %d\r\n", gContentLength); //os_printf(pusrdata); char * Ptr = pusrdata; if (HeaderRead == false) { while (!strstarts(Ptr, "\r\n\r\n")) { Ptr++; //Increment Ptr //lengthleft--; } while (*Ptr == '\n' || *Ptr == '\r') { Ptr++; //Increment Ptr //lengthleft--; } HeaderRead = true; } //os_printf("---"); //os_printf(Ptr); os_printf("gcontentlength(%d) - length(%d) = %d\r\n", length, gContentLength, (gContentLength - lengthleft)); gContentLength -= lengthleft; if (gContentLength == 0) { //espconn_disconnect(&WebServerSocket); //Webservers don't close sockets, clients do char * ResponseToSend = "<!DOCTYPE html><html><body>File Uploaded</body></html>"; HttpSendWithHeader(pespconn, ResponseToSend); uint8 id = system_upgrade_userbin_check(); char *next = id ? "user1.bin" : "user2.bin"; os_printf("OTA: Next firmware: %s (%d=0x%08x)\n", next, id, system_get_userbin_addr()); // Information about flash size based on flash memory map as returned by system_get_flash_size_map: // 4Mb_256, 2Mb, 8Mb_512, 16Mb_512, 32Mb_512, 16Mb_1024, 32Mb_1024 static enum flash_size_map flashSizeMap; // Start address of user2.bin (address of user1 is always 0x1000) static uint32_t flashUser2Addr[] = { 260*1024, 0, 516*1024, 516*1024, 516*1024, 1028*1024, 1028*1024, }; uint32_t offset; // let's see which what flash address we're uploading to uint32_t address = id ? 0x1000 : flashUser2Addr[flashSizeMap]; address += offset; // erase next flash block if necessary if (address % SPI_FLASH_SEC_SIZE == 0) { os_printf("OTA Flashing 0x%05lx\n", (long unsigned int) address); spi_flash_erase_sector(address/SPI_FLASH_SEC_SIZE); } } } if (strstr(pusrdata, "POST /upload") != NULL) { RemotePortsOpenedInDownload = pespconn->proto.tcp->remote_port; //os_printf(pusrdata); int index = 0; char * Ptr = pusrdata; while (!strstarts(Ptr, "Content-Length: ")) { Ptr++; //Increment Potr } while (*Ptr != ' ') { Ptr++; //Increment Potr } Ptr++; //Increment to Content String char ContentLength[8] = {0}; index = 0; while (*Ptr != '\r' && *Ptr != '\n') { ContentLength[index] = *Ptr; index++; Ptr++; //Increment Potr } os_printf(ContentLength); gContentLength = atoi(ContentLength); while (!strstarts(Ptr, "Content-Type: multipart/form-data; boundary=")) { Ptr++; //Increment Potr } while (*Ptr != '=') { Ptr++; //Increment Potr } Ptr++; //Increment to Content String char Boundary[64] = {0}; index = 0; while (*Ptr != '\r' && *Ptr != '\n') { Boundary[index] = *Ptr; index++; Ptr++; //Increment Potr } os_printf(Boundary); os_printf("\r\n"); HeaderRead = false; //SetHeader back to false to prep for incoming header to skil } |