| commit | bc50f8cc18e71bdb513ff1758f77e858183ae4f2 | [log] [tgz] |
|---|---|---|
| author | Wolfgang Denk <wd@denx.de> | Sat Oct 28 01:14:32 2006 +0200 |
| committer | Wolfgang Denk <wd@denx.de> | Sat Oct 28 01:14:32 2006 +0200 |
| tree | 328c7850f1499ddb2758b7407c1096a8ec62899b | |
| parent | 9c82c68fb7359256d694c9a389b9dfa8bc03eb94 [diff] |
Check for illegal character '=' in environment variable names. Make sure the string passed as variable name does not contain a '=' character. This not only prevents the common error or typing "setenv foo=bar" instead of "setenv foo bar", but (more importantly) also closes a backdoor which allowed to delete write-protected environment variables, for example by using "setenv ethaddr=".