Re: Connecting via Wifi to a Canon EOS77D works, but gphoto2 fails
Matthias Apitz <[email protected]> Sat, 26 Dec 2020 13:39:11 +0100
| Newsgroups | gmane.comp.multimedia.gphoto.user |
|---|---|
| Message-ID | <[email protected]> |
Some additional information: The versions are: gphoto2-2.5.23 Command-line frontend to libgphoto2 libgphoto2-2.5.23_1 Universal digital camera control library I watched with tcpdump the connection and it seems that after the initial SYN-SYN-ACK, the libgphoto2 sends a pkg of 55 bytes: 11:33:32.873906 IP 192.168.1.10.26642 > 192.168.1.2.15740: Flags [P.], seq 1:55, ack 1, win 65535, length 54 the cam answers with 13 bytes: 11:33:32.876823 IP 192.168.1.2.15740 > 192.168.1.10.26642: Flags [P.], seq 1:13, ack 55, win 65535, length 12 and Finishes the connection on TCP/IP. It then spills out some UDP messages. All details below matthias 11:33:32.865100 IP 192.168.1.10.26642 > 192.168.1.2.15740: Flags [S], seq 2924561551, win 65535, options [mss 1460,nop,wscale 6,sackOK,TS val 2895993034 ecr 0], length 0 0x0000: 4500 003c 0000 4000 4006 b75f c0a8 010a E..<..@.@.._.... 0x0010: c0a8 0102 6812 3d7c ae51 448f 0000 0000 ....h.=|.QD..... 0x0020: a002 ffff 26cd 0000 0204 05b4 0103 0306 ....&........... 0x0030: 0402 080a ac9d 58ca 0000 0000 ......X..... 11:33:32.873719 IP 192.168.1.2.15740 > 192.168.1.10.26642: Flags [S.], seq 64000, ack 2924561552, win 65535, options [mss 1460], length 0 0x0000: 4500 002c 3546 0000 4006 c229 c0a8 0102 E..,5F..@..).... 0x0010: c0a8 010a 3d7c 6812 0000 fa00 ae51 4490 ....=|h......QD. 0x0020: 6012 ffff 8248 0000 0204 05b4 `....H...... 11:33:32.873773 IP 192.168.1.10.26642 > 192.168.1.2.15740: Flags [.], ack 1, win 65535, length 0 0x0000: 4500 0028 0000 4000 4006 b773 c0a8 010a E..(..@[email protected].... 0x0010: c0a8 0102 6812 3d7c ae51 4490 0000 fa01 ....h.=|.QD..... 0x0020: 5010 ffff 9a05 0000 P....... 11:33:32.873906 IP 192.168.1.10.26642 > 192.168.1.2.15740: Flags [P.], seq 1:55, ack 1, win 65535, length 54 0x0000: 4500 005e 0000 4000 4006 b73d c0a8 010a E..^..@.@..=.... 0x0010: c0a8 0102 6812 3d7c ae51 4490 0000 fa01 ....h.=|.QD..... 0x0020: 5018 ffff 92c3 0000 3600 0000 0100 0000 P.......6....... 0x0030: 7f4a 6dd9 e6ca bbb4 3319 23b6 5426 bb67 .Jm.....3.#.T&.g 0x0040: 6300 3700 3200 3000 2d00 7200 3300 3600 c.7.2.0.-.r.3.6. 0x0050: 3800 3100 3600 3600 0000 0000 0100 8.1.6.6....... 11:33:32.875822 IP 192.168.1.2.15740 > 192.168.1.10.26642: Flags [.], ack 55, win 65481, length 0 0x0000: 4500 0028 ee7a 0000 4006 08f9 c0a8 0102 E..(.z..@....... 0x0010: c0a8 010a 3d7c 6812 0000 fa01 ae51 44c6 ....=|h......QD. 0x0020: 5010 ffc9 9a05 0000 P....... 11:33:32.876823 IP 192.168.1.2.15740 > 192.168.1.10.26642: Flags [P.], seq 1:13, ack 55, win 65535, length 12 0x0000: 4500 0034 b73b 0000 4006 402c c0a8 0102 E..4.;..@.@,.... 0x0010: c0a8 010a 3d7c 6812 0000 fa01 ae51 44c6 ....=|h......QD. 0x0020: 5018 ffff 87bb 0000 0c00 0000 0500 0000 P............... 0x0030: 0100 0000 .... 11:33:32.876962 IP 192.168.1.10.26642 > 192.168.1.2.15740: Flags [F.], seq 55, ack 13, win 65535, length 0 0x0000: 4500 0028 0000 4000 4006 b773 c0a8 010a E..(..@[email protected].... 0x0010: c0a8 0102 6812 3d7c ae51 44c6 0000 fa0d ....h.=|.QD..... 0x0020: 5011 ffff 99c2 0000 P....... 11:33:32.878613 IP 192.168.1.2.57601 > 239.255.255.250.1900: UDP, length 153 0x0000: 4500 00b5 d89d 0000 0411 2bf6 c0a8 0102 E.........+..... 0x0010: efff fffa e101 076c 00a1 d037 4e4f 5449 .......l...7NOTI 0x0020: 4659 202a 2048 5454 502f 312e 310d 0a48 FY.*.HTTP/1.1..H 0x0030: 6f73 743a 2032 3339 2e32 3535 2e32 3535 ost:.239.255.255 0x0040: 2e32 3530 3a31 3930 300d 0a4e 543a 2075 .250:1900..NT:.u 0x0050: 706e 703a 726f 6f74 6465 7669 6365 0d0a pnp:rootdevice.. 0x0060: 4e54 533a 2073 7364 703a 6279 6562 7965 NTS:.ssdp:byebye 0x0070: 0d0a 5553 4e3a 2075 7569 643a 3030 3030 ..USN:.uuid:0000 0x0080: 3030 3030 2d30 3030 302d 3030 3030 2d30 0000-0000-0000-0 0x0090: 3030 312d 3734 4246 4330 3143 4131 4631 001-74BFC01CA1F1 0x00a0: 3a3a 7570 6e70 3a72 6f6f 7464 6576 6963 ::upnp:rootdevic 0x00b0: 650d 0a0d 0a e.... 11:33:32.878637 IP 192.168.1.2.57601 > 239.255.255.250.1900: UDP, length 153 0x0000: 4500 00b5 39ae 0000 0411 cae5 c0a8 0102 E...9........... 0x0010: efff fffa e101 076c 00a1 d037 4e4f 5449 .......l...7NOTI 0x0020: 4659 202a 2048 5454 502f 312e 310d 0a48 FY.*.HTTP/1.1..H 0x0030: 6f73 743a 2032 3339 2e32 3535 2e32 3535 ost:.239.255.255 0x0040: 2e32 3530 3a31 3930 300d 0a4e 543a 2075 .250:1900..NT:.u 0x0050: 706e 703a 726f 6f74 6465 7669 6365 0d0a pnp:rootdevice.. 0x0060: 4e54 533a 2073 7364 703a 6279 6562 7965 NTS:.ssdp:byebye 0x0070: 0d0a 5553 4e3a 2075 7569 643a 3030 3030 ..USN:.uuid:0000 0x0080: 3030 3030 2d30 3030 302d 3030 3030 2d30 0000-0000-0000-0 0x0090: 3030 312d 3734 4246 4330 3143 4131 4631 001-74BFC01CA1F1 0x00a0: 3a3a 7570 6e70 3a72 6f6f 7464 6576 6963 ::upnp:rootdevic 0x00b0: 650d 0a0d 0a e.... 11:33:32.879077 IP 192.168.1.2.15740 > 192.168.1.10.26642: Flags [.], ack 56, win 65535, length 0 0x0000: 4500 0028 3da3 0000 4006 b9d0 c0a8 0102 E..(=...@....... 0x0010: c0a8 010a 3d7c 6812 0000 fa0d ae51 44c7 ....=|h......QD. 0x0020: 5010 ffff 99c2 0000 P....... 11:33:32.880547 IP 192.168.1.2.57601 > 239.255.255.250.1900: UDP, length 162 0x0000: 4500 00be e289 0000 0411 2201 c0a8 0102 E........."..... 0x0010: efff fffa e101 076c 00aa aef7 4e4f 5449 .......l....NOTI 0x0020: 4659 202a 2048 5454 502f 312e 310d 0a48 FY.*.HTTP/1.1..H 0x0030: 6f73 743a 2032 3339 2e32 3535 2e32 3535 ost:.239.255.255 0x0040: 2e32 3530 3a31 3930 300d 0a4e 543a 2075 .250:1900..NT:.u 0x0050: 7569 643a 3030 3030 3030 3030 2d30 3030 uid:00000000-000 0x0060: 302d 3030 3030 2d30 3030 312d 3734 4246 0-0000-0001-74BF 0x0070: 4330 3143 4131 4631 0d0a 4e54 533a 2073 C01CA1F1..NTS:.s 0x0080: 7364 703a 6279 6562 7965 0d0a 5553 4e3a sdp:byebye..USN: 0x0090: 2075 7569 643a 3030 3030 3030 3030 2d30 .uuid:00000000-0 0x00a0: 3030 302d 3030 3030 2d30 3030 312d 3734 000-0000-0001-74 0x00b0: 4246 4330 3143 4131 4631 0d0a 0d0a BFC01CA1F1.... 11:33:32.880561 IP 192.168.1.2.57601 > 239.255.255.250.1900: UDP, length 162 0x0000: 4500 00be 7b5f 0000 0411 892b c0a8 0102 E...{_.....+.... 0x0010: efff fffa e101 076c 00aa aef7 4e4f 5449 .......l....NOTI 0x0020: 4659 202a 2048 5454 502f 312e 310d 0a48 FY.*.HTTP/1.1..H 0x0030: 6f73 743a 2032 3339 2e32 3535 2e32 3535 ost:.239.255.255 0x0040: 2e32 3530 3a31 3930 300d 0a4e 543a 2075 .250:1900..NT:.u 0x0050: 7569 643a 3030 3030 3030 3030 2d30 3030 uid:00000000-000 0x0060: 302d 3030 3030 2d30 3030 312d 3734 4246 0-0000-0001-74BF 0x0070: 4330 3143 4131 4631 0d0a 4e54 533a 2073 C01CA1F1..NTS:.s 0x0080: 7364 703a 6279 6562 7965 0d0a 5553 4e3a sdp:byebye..USN: 0x0090: 2075 7569 643a 3030 3030 3030 3030 2d30 .uuid:00000000-0 0x00a0: 3030 302d 3030 3030 2d30 3030 312d 3734 000-0000-0001-74 0x00b0: 4246 4330 3143 4131 4631 0d0a 0d0a BFC01CA1F1.... 11:33:32.881508 IP 192.168.1.2.57601 > 239.255.255.250.1900: UDP, length 193 0x0000: 4500 00dd ccf1 0000 0411 377a c0a8 0102 E.........7z.... 0x0010: efff fffa e101 076c 00c9 f108 4e4f 5449 .......l....NOTI 0x0020: 4659 202a 2048 5454 502f 312e 310d 0a48 FY.*.HTTP/1.1..H 0x0030: 6f73 743a 2032 3339 2e32 3535 2e32 3535 ost:.239.255.255 0x0040: 2e32 3530 3a31 3930 300d 0a4e 543a 2075 .250:1900..NT:.u 0x0050: 726e 3a73 6368 656d 6173 2d75 706e 702d rn:schemas-upnp- 0x0060: 6f72 673a 6465 7669 6365 3a42 6173 6963 org:device:Basic 0x0070: 3a31 0d0a 4e54 533a 2073 7364 703a 6279 :1..NTS:.ssdp:by 0x0080: 6562 7965 0d0a 5553 4e3a 2075 7569 643a ebye..USN:.uuid: 0x0090: 3030 3030 3030 3030 2d30 3030 302d 3030 00000000-0000-00 0x00a0: 3030 2d30 3030 312d 3734 4246 4330 3143 00-0001-74BFC01C 0x00b0: 4131 4631 3a3a 7572 6e3a 7363 6865 6d61 A1F1::urn:schema 0x00c0: 732d 7570 6e70 2d6f 7267 3a64 6576 6963 s-upnp-org:devic 0x00d0: 653a 4261 7369 633a 310d 0a0d 0a e:Basic:1.... 11:33:32.882028 IP 192.168.1.2.57601 > 239.255.255.250.1900: UDP, length 193 0x0000: 4500 00dd 5622 0000 0411 ae49 c0a8 0102 E...V".....I.... 0x0010: efff fffa e101 076c 00c9 f108 4e4f 5449 .......l....NOTI 0x0020: 4659 202a 2048 5454 502f 312e 310d 0a48 FY.*.HTTP/1.1..H 0x0030: 6f73 743a 2032 3339 2e32 3535 2e32 3535 ost:.239.255.255 0x0040: 2e32 3530 3a31 3930 300d 0a4e 543a 2075 .250:1900..NT:.u 0x0050: 726e 3a73 6368 656d 6173 2d75 706e 702d rn:schemas-upnp- 0x0060: 6f72 673a 6465 7669 6365 3a42 6173 6963 org:device:Basic 0x0070: 3a31 0d0a 4e54 533a 2073 7364 703a 6279 :1..NTS:.ssdp:by 0x0080: 6562 7965 0d0a 5553 4e3a 2075 7569 643a ebye..USN:.uuid: 0x0090: 3030 3030 3030 3030 2d30 3030 302d 3030 00000000-0000-00 0x00a0: 3030 2d30 3030 312d 3734 4246 4330 3143 00-0001-74BFC01C 0x00b0: 4131 4631 3a3a 7572 6e3a 7363 6865 6d61 A1F1::urn:schema 0x00c0: 732d 7570 6e70 2d6f 7267 3a64 6576 6963 s-upnp-org:devic 0x00d0: 653a 4261 7369 633a 310d 0a0d 0a e:Basic:1.... 11:33:32.882577 IP 192.168.1.2.57601 > 239.255.255.250.1900: UDP, length 249 0x0000: 4500 0115 3f7f 0000 0411 c4b4 c0a8 0102 E...?........... 0x0010: efff fffa e101 076c 0101 6e16 4e4f 5449 .......l..n.NOTI 0x0020: 4659 202a 2048 5454 502f 312e 310d 0a48 FY.*.HTTP/1.1..H 0x0030: 6f73 743a 2032 3339 2e32 3535 2e32 3535 ost:.239.255.255 0x0040: 2e32 3530 3a31 3930 300d 0a4e 543a 2075 .250:1900..NT:.u 0x0050: 726e 3a73 6368 656d 6173 2d63 616e 6f6e rn:schemas-canon 0x0060: 2d63 6f6d 3a73 6572 7669 6365 3a49 4350 -com:service:ICP 0x0070: 4f2d 536d 6172 7450 686f 6e65 454f 5353 O-SmartPhoneEOSS 0x0080: 7973 7465 6d53 6572 7669 6365 3a31 0d0a ystemService:1.. 0x0090: 4e54 533a 2073 7364 703a 6279 6562 7965 NTS:.ssdp:byebye 0x00a0: 0d0a 5553 4e3a 2075 7569 643a 3030 3030 ..USN:.uuid:0000 0x00b0: 3030 3030 2d30 3030 302d 3030 3030 2d30 0000-0000-0000-0 0x00c0: 3030 312d 3734 4246 4330 3143 4131 4631 001-74BFC01CA1F1 0x00d0: 3a3a 7572 6e3a 7363 6865 6d61 732d 6361 ::urn:schemas-ca 0x00e0: 6e6f 6e2d 636f 6d3a 7365 7276 6963 653a non-com:service: 0x00f0: 4943 IC 11:33:32.883447 IP 192.168.1.2.57601 > 239.255.255.250.1900: UDP, length 249 0x0000: 4500 0115 40c2 0000 0411 c371 c0a8 0102 [email protected].... 0x0010: efff fffa e101 076c 0101 6e16 4e4f 5449 .......l..n.NOTI 0x0020: 4659 202a 2048 5454 502f 312e 310d 0a48 FY.*.HTTP/1.1..H 0x0030: 6f73 743a 2032 3339 2e32 3535 2e32 3535 ost:.239.255.255 0x0040: 2e32 3530 3a31 3930 300d 0a4e 543a 2075 .250:1900..NT:.u 0x0050: 726e 3a73 6368 656d 6173 2d63 616e 6f6e rn:schemas-canon 0x0060: 2d63 6f6d 3a73 6572 7669 6365 3a49 4350 -com:service:ICP 0x0070: 4f2d 536d 6172 7450 686f 6e65 454f 5353 O-SmartPhoneEOSS 0x0080: 7973 7465 6d53 6572 7669 6365 3a31 0d0a ystemService:1.. 0x0090: 4e54 533a 2073 7364 703a 6279 6562 7965 NTS:.ssdp:byebye 0x00a0: 0d0a 5553 4e3a 2075 7569 643a 3030 3030 ..USN:.uuid:0000 0x00b0: 3030 3030 2d30 3030 302d 3030 3030 2d30 0000-0000-0000-0 0x00c0: 3030 312d 3734 4246 4330 3143 4131 4631 001-74BFC01CA1F1 0x00d0: 3a3a 7572 6e3a 7363 6865 6d61 732d 6361 ::urn:schemas-ca 0x00e0: 6e6f 6e2d 636f 6d3a 7365 7276 6963 653a non-com:service: 0x00f0: 4943 IC 11:33:32.883457 IP 192.168.1.2 > 224.0.0.2: igmp leave 239.255.255.250 0x0000: 4600 0020 410b 0000 0102 4220 c0a8 0102 F...A.....B..... 0x0010: e000 0002 9404 0000 1700 f904 efff fffa ................ -- Matthias Apitz, ✉ [email protected], http://www.unixarea.de/ +49-176-38902045 Public GnuPG key: http://www.unixarea.de/key.pub Без книги нет знания, без знания нет коммунизма (Влaдимир Ильич Ленин) Without books no knowledge - without knowledge no communism (Vladimir Ilyich Lenin) Sin libros no hay saber - sin saber no hay comunismo. (Vladimir Ilich Lenin) _______________________________________________ Gphoto-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gphoto-user