Stupid Person Error Checking - Page 2

H · March 1st, 2006, 8:48 PM

strpos() is a function that gets the position of a string within a string. When password is the only text, it's start position is 0, making it return false. When the underscore is added infront, it makes it 1. It's an ugly use.... so look at my previous post.

**mr_fern** · March 1st, 2006, 8:57 PM

yeah strstr(strA,strB) gets the text of strA from where the first occurence of strB is found.
i.e. echo strstr('Hello','l'); //prints llo

However, you don't need to do the strstr(strtolower(strA),strB) as Haugland suggested, since stristr is the case insensitive form of strstr.

So you can do

PHP Code:


			
 if ( stristr($_POST['cl_pass'],'password') ) {

$error = 'Your password cannot contain the word password'

}

**David** · March 1st, 2006, 8:57 PM

One day I hope to understand this stuff.

And the amusing thing was that when I tried it, I went to login to the area that would use this function, and my computer decided to reset.

**David** · March 1st, 2006, 9:04 PM

Atleast now I know the md5 hash for 0:

cfcd208495d565ef66e7dff9f98764da

**mr_fern** · March 1st, 2006, 9:08 PM

strpos also has a case insensitive version stripos. And it could have worked if you added !== false to the expression. =D

**mr_fern** · March 1st, 2006, 9:10 PM

There was a site that did reverse md5's

**David** · March 1st, 2006, 9:22 PM

Yeah, I just found it a moment ago. http://www.xeons.net/genesis/

It explains why that same password was popping up when I would mangle things, and couldn't figure out what it was.

**Kickersny.com** · March 1st, 2006, 9:35 PM

Quote:

Originally Posted by mr_fern

There was a site that did reverse md5's

http://passcracking.ru/index.php
http://md5.rednoize.com/

**mr_fern** · March 1st, 2006, 9:38 PM

Yeah, rednoize is the one I had seen

March 1st, 2006, 8:57 PM	#11 (permalink)
mr_fern All Ur Base R Belong 2 Us Excelling Contributor Joined in Feb 2005 Lives in Vegas & New York 824 posts Gave thanks: 2 Thanked 6 times	yeah strstr(strA,strB) gets the text of strA from where the first occurence of strB is found. i.e. echo strstr('Hello','l'); //prints llo However, you don't need to do the strstr(strtolower(strA),strB) as Haugland suggested, since stristr is the case insensitive form of strstr. So you can do PHP Code: `if ( stristr($_POST['cl_pass'],'password') ) { $error = 'Your password cannot contain the word password' }` __________________ Nobody doing nothing

March 1st, 2006, 9:08 PM	#14 (permalink)
mr_fern All Ur Base R Belong 2 Us Excelling Contributor Joined in Feb 2005 Lives in Vegas & New York 824 posts Gave thanks: 2 Thanked 6 times	strpos also has a case insensitive version stripos. And it could have worked if you added !== false to the expression. =D __________________ Nobody doing nothing

March 1st, 2006, 9:10 PM	#15 (permalink)
mr_fern All Ur Base R Belong 2 Us Excelling Contributor Joined in Feb 2005 Lives in Vegas & New York 824 posts Gave thanks: 2 Thanked 6 times	There was a site that did reverse md5's __________________ Nobody doing nothing

March 1st, 2006, 9:38 PM	#18 (permalink)
mr_fern All Ur Base R Belong 2 Us Excelling Contributor Joined in Feb 2005 Lives in Vegas & New York 824 posts Gave thanks: 2 Thanked 6 times	Yeah, rednoize is the one I had seen __________________ Nobody doing nothing

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March 1st, 2006, 8:48 PM	#10 (permalink)
H after g, before i Resident. Joined in Jul 2004 Lives in N,BC,CA 8,092 posts Gave thanks: 48 Thanked 131 times	strpos() is a function that gets the position of a string within a string. When password is the only text, it's start position is 0, making it return false. When the underscore is added infront, it makes it 1. It's an ugly use.... so look at my previous post.

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