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1#!/usr/bin/env perl
2# Prepare a directory with known files and clean up afterwards
3use Time::Local;
4
5if ( $#ARGV < 1 )
6{
7    print "Usage: $0 prepare|postprocess dir [logfile]\n";
8    exit 1;
9}
10
11# <precheck> expects an error message on stdout
12sub errout {
13    print $_[0] . "\n";
14    exit 1;
15}
16
17if ($ARGV[0] eq "prepare")
18{
19    my $dirname = $ARGV[1];
20    mkdir $dirname || errout "$!";
21    chdir $dirname;
22
23    # Create the files in alphabetical order, to increase the chances
24    # of receiving a consistent set of directory contents regardless
25    # of whether the server alphabetizes the results or not.
26    mkdir "asubdir" || errout "$!";
27    chmod 0777, "asubdir";
28
29    open(FILE, ">plainfile.txt") || errout "$!";
30    binmode FILE;
31    print FILE "Test file to support curl test suite\n";
32    close(FILE);
33    # The mtime is specifically chosen to be an even number so that it can be
34    # represented exactly on a FAT filesystem.
35    utime time, timegm(0,0,12,1,0,100), "plainfile.txt";
36    chmod 0666, "plainfile.txt";
37
38    open(FILE, ">rofile.txt") || errout "$!";
39    binmode FILE;
40    print FILE "Read-only test file to support curl test suite\n";
41    close(FILE);
42    # The mtime is specifically chosen to be an even number so that it can be
43    # represented exactly on a FAT filesystem.
44    utime time, timegm(0,0,12,31,11,100), "rofile.txt";
45    chmod 0444, "rofile.txt";
46
47    exit 0;
48}
49elsif ($ARGV[0] eq "postprocess")
50{
51    my $dirname = $ARGV[1];
52    my $logfile = $ARGV[2];
53
54    # Clean up the test directory
55    unlink "$dirname/rofile.txt";
56    unlink "$dirname/plainfile.txt";
57    rmdir "$dirname/asubdir";
58
59    rmdir $dirname || die "$!";
60
61    if ($logfile) {
62        # Process the directory file to remove all information that
63        # could be inconsistent from one test run to the next (e.g.
64        # file date) or may be unsupported on some platforms (e.g.
65        # Windows). Also, since 7.17.0, the sftp directory listing
66        # format can be dependent on the server (with a recent
67        # enough version of libssh2) so this script must also
68        # canonicalize the format.  Here are examples of the general
69        # format supported:
70        # -r--r--r--   12 ausername grp            47 Dec 31  2000 rofile.txt
71        # -r--r--r--   1  1234  4321         47 Dec 31  2000 rofile.txt
72        # The "canonical" format is similar to the first (which is
73        # the one generated on a typical Linux installation):
74        # -r-?r-?r-?   12 U         U              47 Dec 31  2000 rofile.txt
75
76        my @canondir;
77        open(IN, "<$logfile") || die "$!";
78        while (<IN>) {
79            /^(.)(..).(..).(..).\s*(\S+)\s+\S+\s+\S+\s+(\S+)\s+(\S+\s+\S+\s+\S+)(.*)$/;
80            if ($1 eq "d") {
81                # Erase all directory metadata except for the name, as it is not
82                # consistent for across all test systems and filesystems
83                push @canondir, "d?????????    N U         U               N ???  N NN:NN$8\n";
84            } elsif ($1 eq "-") {
85                # Erase user and group names, as they are not consistent across
86                # all test systems
87                my $line = sprintf("%s%s?%s?%s?%5d U         U %15d %s%s\n", $1,$2,$3,$4,$5,$6,$7,$8);
88                push @canondir, $line;
89            } else {
90                # Unexpected format; just pass it through and let the test fail
91                push @canondir, $_;
92            }
93        }
94        close(IN);
95
96        @canondir = sort {substr($a,57) cmp substr($b,57)} @canondir;
97        my $newfile = $logfile . ".new";
98        open(OUT, ">$newfile") || die "$!";
99        print OUT join('', @canondir);
100        close(OUT);
101
102        unlink $logfile;
103        rename $newfile, $logfile;
104    }
105
106    exit 0;
107}
108print "Unsupported command $ARGV[0]\n";
109exit 1;
110