Hello everybody,
I am having a problem when I post a file to a URL that I know is valid. When I
create a simple html form, load it in my browser, paste the XML contents into a
field in the form, and submit, the server responds as expected.
However, when I do it using libcurl, I get a 404 error. I started looking
deeper with tcpdump, and see that there is a cksum error, which I don't see
when I hit this url via the browser. I'm not sure if this is the problem, but
a cksum error certainly isn't a good indication. Does anybody have any idea
why this is occurring. I have attached part of the tcpdump output.
Thanks,
Tim.
08:11:23.125314 IP (tos 0x0, ttl 64, id 47402, offset 0, flags [DF], proto:
TCP (6), length: 207) cs-700-1.rose.hp.com.57374 > cvxp-test1.rose.hp.com.dc:
P, cksum 0xaac4 (incorrect (-> 0x26a4), 1:156(155) ack 1 win 46
<nop,nop,timestamp 3828124258 0>
0x0000: 4500 00cf b92a 4000 4006 d6fb 0fff 0055 e.....@[email protected]
0x0010: 0f17 8a98 e01e 07d1 b2ba 3374 b2d4 2df2 ..........3t..-.
0x0020: 8018 002e aac4 0000 0101 080a e42c 8a62 .............,.b
0x0030: 0000 0000 504f 5354 202f 2048 5454 502f ....POST./.HTTP/
0x0040: 312e 310d 0a48 6f73 743a 2063 7678 702d 1.1..Host:.cvxp-
0x0050: 7465 7374 312e 726f 7365 2e68 702e 636f test1.rose.hp.co
0x0060: 6d3a 3230 3031 0d0a 4163 6365 7074 3a20 m:2001..Accept:.
0x0070: 2a2f 2a0d 0a43 6f6e 7465 6e74 2d54 7970 */*..Content-Typ
0x0080: 653a 2074 6578 742f 786d 6c0d 0a41 7574 e:.text/xml..Aut
0x0090: 686f 7269 7a61 7469 6f6e 3a20 4261 7369 horization:.Basi
0x00a0: 6320 6333 6c7a 6447 5674 4f6d 3168 626d c.c3lzdGVtOm1hbm
0x00b0: 466e 5a58 493d 0d0a 436f 6e74 656e 742d FnZXI=..Content-
0x00c0: 4c65 6e67 7468 3a20 3137 350d 0a0d 0a Length:.175....
08:11:23.264638 IP (tos 0x0, ttl 127, id 56431, offset 0, flags [DF], proto:
TCP (6), length: 52) cvxp-test1.rose.hp.com.dc > cs-700-1.rose.hp.com.57374: .,
cksum 0x5aa5 (correct), 1:1(0) ack 156 win 65380 <nop,nop,timestamp 36852334
3828124258>
0x0000: 4500 0034 dc6f 4000 7f06 7551 0f17 8a98 [email protected]....
0x0010: 0fff 0055 07d1 e01e b2d4 2df2 b2ba 340f ...U......-...4.
0x0020: 8010 ff64 5aa5 0000 0101 080a 0232 526e ...dZ........2Rn
0x0030: e42c 8a62 .,.b
08:11:23.264646 IP (tos 0x0, ttl 64, id 47403, offset 0, flags [DF], proto:
TCP (6), length: 227) cs-700-1.rose.hp.com.57374 > cvxp-test1.rose.hp.com.dc:
P, cksum 0xaad8 (incorrect (-> 0x4c03), 156:331(175) ack 1 win 46
<nop,nop,timestamp 3828124397 36852334>
0x0000: 4500 00e3 b92b 4000 4006 d6e6 0fff 0055 e.....@[email protected]
0x0010: 0f17 8a98 e01e 07d1 b2ba 340f b2d4 2df2 ..........4...-.
0x0020: 8018 002e aad8 0000 0101 080a e42c 8aed .............,..
0x0030: 0232 526e 3c3f 786d 6c20 7665 7273 696f .2Rn<?xml.versio
0x0040: 6e3d 2231 2e30 223f 3e0a 3c48 6943 6f6d n="1.0"?>.<HiCom
0x0050: 6d61 6e64 5365 7276 6572 4d65 7373 6167 mandServerMessag
0x0060: 653e 0a3c 4150 4949 6e66 6f20 7665 7273 e>.<APIInfo.vers
0x0070: 696f 6e3d 2232 2e33 222f 3e0a 3c52 6571 ion="2.3"/>.<Req
0x0080: 7565 7374 3e0a 3c53 6572 7665 7241 646d uest>.<ServerAdm
0x0090: 696e 3e0a 3c47 6574 2074 6172 6765 743d in>.<Get.target=
0x00a0: 2253 6572 7665 7249 6e66 6f22 2f3e 0a3c "ServerInfo"/>.<
0x00b0: 2f53 6572 7665 7241 646d 696e 3e0a 3c2f /ServerAdmin>.</
0x00c0: 5265 7175 6573 743e 0a3c 2f48 6943 6f6d Request>.</HiCom
0x00d0: 6d61 6e64 5365 7276 6572 4d65 7373 6167 mandServerMessag
0x00e0: 653e 0a e>.
08:11:23.265568 IP (tos 0x0, ttl 127, id 56432, offset 0, flags [DF], proto:
TCP (6), length: 99) cvxp-test1.rose.hp.com.dc > cs-700-1.rose.hp.com.57374: P,
cksum 0x0240 (correct), 1:48(47) ack 331 win 65205 <nop,nop,timestamp 36852334
3828124397>
0x0000: 4500 0063 dc70 4000 7f06 7521 0f17 8a98 [email protected]!....
0x0010: 0fff 0055 07d1 e01e b2d4 2df2 b2ba 34be ...U......-...4.
0x0020: 8018 feb5 0240 0000 0101 080a 0232 526e [email protected]
0x0030: e42c 8aed 4854 5450 2f31 2e30 2034 3034 .,..HTTP/1.0.404
0x0040: 204e 6f74 2066 6f75 6e64 0d0a 436f 6e74 .Not.found..Cont
0x0050: 656e 742d 4c65 6e67 7468 3a20 3139 380d ent-Length:.198.
0x0060: 0a0d 0a ...
08:11:23.265575 IP (tos 0x0, ttl 64, id 47404, offset 0, flags [DF], proto:
TCP (6), length: 52) cs-700-1.rose.hp.com.57374 > cvxp-test1.rose.hp.com.dc: .,
cksum 0x5872 (correct), 331:331(0) ack 48 win 46 <nop,nop,timestamp 3828124398
36852334>
0x0000: 4500 0034 b92c 4000 4006 d794 0fff 0055 E..4.,@[email protected]
0x0010: 0f17 8a98 e01e 07d1 b2ba 34be b2d4 2e21 ..........4....!
0x0020: 8010 002e 5872 0000 0101 080a e42c 8aee ....Xr.......,..
0x0030: 0232 526e .2Rn
08:11:23.265765 IP (tos 0x0, ttl 127, id 56433, offset 0, flags [DF], proto:
TCP (6), length: 250) cvxp-test1.rose.hp.com.dc > cs-700-1.rose.hp.com.57374:
P, cksum 0x2226 (correct), 48:246(198) ack 331 win 65205 <nop,nop,timestamp
36852334 3828124397>
0x0000: 4500 00fa dc71 4000 7f06 7489 0f17 8a98 [email protected].....
0x0010: 0fff 0055 07d1 e01e b2d4 2e21 b2ba 34be ...U.......!..4.
0x0020: 8018 feb5 2226 0000 0101 080a 0232 526e ...."&.......2Rn
0x0030: e42c 8aed 3c21 444f 4354 5950 4520 4854 .,..<!DOCTYPE.HT
0x0040: 4d4c 2050 5542 4c49 4320 222d 2f2f 5733 ML.PUBLIC."-//W3
0x0050: 432f 2f44 5444 2048 544d 4c20 342e 3020 C//DTD.HTML.4.0.
0x0060: 5472 616e 7369 7469 6f6e 616c 2f2f 454e Transitional//EN
0x0070: 223e 3c68 746d 6c3e 3c68 6561 643e 3c74 "><html><head><t
0x0080: 6974 6c65 3e4e 6f74 2046 6f75 6e64 3c2f itle>Not.Found</
0x0090: 7469 746c 653e 3c2f 6865 6164 3e3c 626f title></head><bo
0x00a0: 6479 3e3c 6832 3e4e 6f74 2046 6f75 6e64 dy><h2>Not.Found
0x00b0: 3c2f 6832 3e3c 703e 5468 6520 7365 7276 </h2><p>The.serv
0x00c0: 6572 2063 616e 6e6f 7420 6669 6e64 2074 er.cannot.find.t
0x00d0: 6865 2072 6571 7565 7374 6564 2064 6f63 he.requested.doc
0x00e0: 756d 656e 742e 3c2f 703e 3c2f 626f 6479 ument.</p></body
0x00f0: 3e3c 2f68 746d 6c3e 0d0a ></html>..
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