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Fix path compression to include removing "/./".

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- This involved a fix to the FTP scripts that relied on the old behavior.
This commit is contained in:
Seth Hall 2013-04-02 00:16:56 -04:00
parent d11a1dab73
commit f1d165956a
3 changed files with 12 additions and 6 deletions
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11
scripts/base/protocols/ftp/main.bro
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@ -56,10 +56,10 @@ export {
tags: set[string] &log &default=set();
## Current working directory that this session is in. By making
## the default value '/.', we can indicate that unless something
## the default value '.', we can indicate that unless something
## more concrete is discovered that the existing but unknown
## directory is ok to use.
cwd: string &default="/.";
cwd: string &default=".";
## Command that is currently waiting for a response.
cmdarg: CmdArg &optional;
@ -172,7 +172,12 @@ function ftp_message(s: Info)
local arg = s$cmdarg$arg;
if ( s$cmdarg$cmd in file_cmds )
arg = fmt("ftp://%s%s", addr_to_uri(s$id$resp_h), build_path_compressed(s$cwd, arg));
{
local comp_path = build_path_compressed(s$cwd, arg);
if ( s$cwd[0] != "/" )
comp_path = cat("/", comp_path);
arg = fmt("ftp://%s%s", addr_to_uri(s$id$resp_h), comp_path);
}
s$ts=s$cmdarg$ts;
s$command=s$cmdarg$cmd;

4
scripts/base/utils/paths.bro
View file

@ -19,7 +19,7 @@ function extract_path(input: string): string
}
## Compresses a given path by removing '..'s and the parent directory it
## references and also removing '/'s.
## references and also removing dual '/'s and extraneous '/./'s.
## dir: a path string, either relative or absolute
## Returns: a compressed version of the input path
function compress_path(dir: string): string
@ -41,7 +41,7 @@ function compress_path(dir: string): string
return compress_path(dir);
}
const multislash_sep = /(\/){2,}/;
const multislash_sep = /(\/\.?){2,}/;
parts = split_all(dir, multislash_sep);
for ( i in parts )
if ( i % 2 == 0 )

3
scripts/policy/misc/loaded-scripts.bro
View file

@ -1,4 +1,5 @@
##! Log the loaded scripts.
@load base/utils/paths
module LoadedScripts;
@ -34,5 +35,5 @@ event bro_init() &priority=5
event bro_script_loaded(path: string, level: count)
{
Log::write(LoadedScripts::LOG, [$name=cat(depth[level], path)]);
Log::write(LoadedScripts::LOG, [$name=cat(depth[level], compress_path(path))]);
}