sending HTTP POST using curl command
September 15th, 2007 mysurface Posted in curl, Network | Hits: 1286526 | 39 Comments »
Recently I was having fun with libcurl, discovered that with curl command I capable of doing HTTP POST with specified User-agent string. For those who have no idea what is curl, curl is a powerful client tool for accessing servers through FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, FILE and LDAP, please find more info from cURL official site.
Mypapit has written a good post illustrate how to create a simple bot script using php with curl bindings. By calling curl function in php, you can do a HTTP POST to a web server’s page. Well, with curl command in bash, you can do the same, and it consist of just one line.
Mypapit is kind enough to provide his HTTP POST server’s script in php for testing purpose. Download his sample codes and load it to your apache server and you can try out the command lines shows later. What you need is target.php and target.txt, remember to chmod a+w target.txt.
To send HTTP POST request, you can do it with -F, I show you a simple example that sending username to the web server.
curl -F 'username=mysurface' http://127.0.0.1/target.phpAnd result returns
data was submitted successfullyCheck out the target.txt, gives the line
username : mysurface (curl/7.15.5 (i486-pc-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8c zlib/1.2.3 libidn/0.6.5)
p.s mypapit’s target.php logs submitted username and it’s user-agent into file target.txt. The result showing above indicates that the submission was done by curl.
Well, you can override the default user-agent string by -A
curl -F 'username=mysurface' -A 'Mozilla/4.0' http://127.0.0.1/target.phpTherefore you have this in your target.txt
username : mysurface (Mozilla/4.0)Having fun? curl command capable of doing a lots more!
July 30th, 2008 at 5:25 pm
[…] sending HTTP POST using curl command Recently I was having fun with libcurl, discovered that with curl command I capable of doing HTTP POST with specified Us… […]
February 4th, 2009 at 6:15 am
-d worked for me instead of -F
all in all a powerfull tool, thanks for the article.
I use it to disconnect my Router with one Click.
February 9th, 2009 at 12:36 pm
yeah -d is a better option if you’re have more than one “key=value” pair. My url had 3. Great Article thanks!
February 13th, 2009 at 5:48 am
-d is for GET -F is for post.
February 13th, 2009 at 6:11 am
scratch that, im retarted thnx.
May 13th, 2009 at 9:30 pm
If you want to send an XML in your request:
curl –header ‘content-type: text/xml’ –data @request.xml -X POST http://127.0.0.1
If you want to use HTTPS (ignoring invalid certificates):
curl -k –header ‘content-type: text/xml’ –data @request.xml -X POST https://127.0.0.1
November 23rd, 2010 at 11:52 am
I had never heard of curl… Live and learn…
Worked fantastic under cygwin.
We are using it now at wikispeedia.org
Kudos!
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How can we make https request ?
January 7th, 2012 at 3:02 pm
test
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test again
February 21st, 2012 at 9:33 pm
this link will help u
a simple example for post using curl
http://phpdog.blogspot.in/2012/02/http-post-using-php-curl.html
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a simple example for post using curl will help this to post using curl.
http://www.crashcoder.com/http-post-using-php-curl/
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