http://brandonhutchinson.com/mediawiki/index.php5?title=%22su%22_and_user_shell_arguments&action=history&feed=atom 2013-06-18T06:25:30Z Revision history for this page on the wiki MediaWiki 1.11.0rc1 http://brandonhutchinson.com/mediawiki/index.php5?title=%22su%22_and_user_shell_arguments&diff=1353&oldid=prev 2008-11-11T16:45:04Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 16:45, 11 November 2008</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 21:</td> <td colspan="2" class="diff-lineno">Line 21:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> hutchib:x:6919:0:Brandon Hutchinson - MSP UNIX:/home/hutchib:/home/vt3k$</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> hutchib:x:6919:0:Brandon Hutchinson - MSP UNIX:/home/hutchib:/home/vt3k$</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div> #'''su - hutchib'''</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> # '''su - hutchib'''</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> freevt3k - version A.01.03 (Oct 20 2000-13:43:13)</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> freevt3k - version A.01.03 (Oct 20 2000-13:43:13)</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td></tr> </table>

Hutch http://brandonhutchinson.com/mediawiki/index.php5?title=%22su%22_and_user_shell_arguments&diff=1352&oldid=prev 2008-11-11T16:44:49Z

<p>New page: The &quot;su&quot; command does not seem to work when the user's shell has a space (e.g., for command arguments). $ '''cat /etc/redhat-release''' Red Hat Enterprise Linux WS release 3 (Taroon Upd...</p> <p><b>New page</b></p><div>The &quot;su&quot; command does not seem to work when the user's shell has a space (e.g., for command arguments).<br /> <br /> $ '''cat /etc/redhat-release'''<br /> Red Hat Enterprise Linux WS release 3 (Taroon Update 4)<br /> <br /> $ '''grep hutchib /etc/passwd'''<br /> hutchib:x:6919:0:Brandon Hutchinson - MSP UNIX:/home/hutchib:/home/vt3k 10.0.0.1<br /> <br /> # '''su - hutchib'''<br /> su: /home/vt3k 10.0.0.1: No such file or directory<br /> <br /> After doing some testing, it turns out that a space in the user's shell causes problems.<br /> <br /> $ '''grep hutchib /etc/passwd | cat -vet'''<br /> hutchib:x:6919:0:Brandon Hutchinson - MSP UNIX:/home/hutchib:/home/vt3k $<br /> <br /> # '''su - hutchib'''<br /> su: /home/vt3k : No such file or directory<br /> <br /> $ '''grep hutchib /etc/passwd | cat -vet'''<br /> hutchib:x:6919:0:Brandon Hutchinson - MSP UNIX:/home/hutchib:/home/vt3k$<br /> <br /> #'''su - hutchib'''<br /> freevt3k - version A.01.03 (Oct 20 2000-13:43:13)<br /> <br /> Usage: freevt3k [-li|-lo|-lio] [-f file] [-x] [-tt n] [-t]<br /> [-C breakchar] [-B count] [-T timer]<br /> [-X file] [-a|-I file] [-d[d]] host <br /> ...<br /> <br /> I don't know of a direct workaround for this using '''su'''. You could place '''/home/vt3k 10.0.0.1''' in the user's profile and use a &quot;real shell,&quot; but I imagine there is a slight possibility the user could escape into the real shell.<br /> <br /> telnet/ssh works as expected when the user's shell (in this case, '''/home/vtk3''') contains arguments.</div>

Hutch