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-rw-r--r--src/lib/libcrypto/util/checkhash.pl222
1 files changed, 222 insertions, 0 deletions
diff --git a/src/lib/libcrypto/util/checkhash.pl b/src/lib/libcrypto/util/checkhash.pl
new file mode 100644
index 0000000000..c61fa72178
--- /dev/null
+++ b/src/lib/libcrypto/util/checkhash.pl
@@ -0,0 +1,222 @@
1#!/usr/bin/env perl -w
2
3my $package = caller;
4
5if (!(defined $package))
6 {
7 my $retval = check_hashes(@ARGV);
8 exit $retval;
9 }
10
111;
12
13sub check_hashes
14 {
15
16 my @args = @_;
17
18 my $change_dir = "";
19 my $check_program = "sha/fips_standalone_sha1";
20
21 my $verbose = 0;
22 my $badfiles = 0;
23 my $rebuild = 0;
24 my $force_rewrite = 0;
25 my $hash_file = "fipshashes.c";
26 my $recurse = 0;
27
28 my @fingerprint_files;
29
30 while (@args)
31 {
32 my $arg = $args[0];
33 if ($arg eq "-chdir")
34 {
35 shift @args;
36 $change_dir = shift @args;
37 }
38 elsif ($arg eq "-rebuild")
39 {
40 shift @args;
41 $rebuild = 1;
42 }
43 elsif ($arg eq "-verbose")
44 {
45 shift @args;
46 $verbose = 1;
47 }
48 elsif ($arg eq "-force-rewrite")
49 {
50 shift @args;
51 $force_rewrite = 1;
52 }
53 elsif ($arg eq "-hash_file")
54 {
55 shift @args;
56 $hash_file = shift @args;
57 }
58 elsif ($arg eq "-recurse")
59 {
60 shift @args;
61 $recurse = 1;
62 }
63 elsif ($arg eq "-program_path")
64 {
65 shift @args;
66 $check_program = shift @args;
67 }
68 else
69 {
70 print STDERR "Unknown Option $arg";
71 return 1;
72 }
73
74 }
75
76 chdir $change_dir if $change_dir ne "";
77
78 if ($recurse)
79 {
80 @fingerprint_files = ("fingerprint.sha1",
81 <*/fingerprint.sha1>);
82 }
83 else
84 {
85 push @fingerprint_files, $hash_file;
86 }
87
88 foreach $fp (@fingerprint_files)
89 {
90 if (!open(IN, "$fp"))
91 {
92 print STDERR "Can't open file $fp";
93 return 1;
94 }
95 print STDERR "Opening Fingerprint file $fp\n" if $verbose;
96 my $dir = $fp;
97 $dir =~ s/[^\/]*$//;
98 while (<IN>)
99 {
100 chomp;
101 if (!(($file, $hash) = /^\"HMAC-SHA1\((.*)\)\s*=\s*(\w*)\",$/))
102 {
103 /^\"/ || next;
104 print STDERR "FATAL: Invalid syntax in file $fp\n";
105 print STDERR "Line:\n$_\n";
106 fatal_error();
107 return 1;
108 }
109 if (!$rebuild && length($hash) != 40)
110 {
111 print STDERR "FATAL: Invalid hash length in $fp for file $file\n";
112 fatal_error();
113 return 1;
114 }
115 push @hashed_files, "$dir$file";
116 if (exists $hashes{"$dir$file"})
117 {
118 print STDERR "FATAL: Duplicate Hash file $dir$file\n";
119 fatal_error();
120 return 1;
121 }
122 if (! -r "$dir$file")
123 {
124 print STDERR "FATAL: Can't access $dir$file\n";
125 fatal_error();
126 return 1;
127 }
128 $hashes{"$dir$file"} = $hash;
129 }
130 close IN;
131 }
132
133 @checked_hashes = `$check_program @hashed_files`;
134
135 if ($? != 0)
136 {
137 print STDERR "Error running hash program $check_program\n";
138 fatal_error();
139 return 1;
140 }
141
142 if (@checked_hashes != @hashed_files)
143 {
144 print STDERR "FATAL: hash count incorrect\n";
145 fatal_error();
146 return 1;
147 }
148
149 foreach (@checked_hashes)
150 {
151 chomp;
152 if (!(($file, $hash) = /^HMAC-SHA1\((.*)\)\s*=\s*(\w*)$/))
153 {
154 print STDERR "FATAL: Invalid syntax in file $fp\n";
155 print STDERR "Line:\n$_\n";
156 fatal_error();
157 return 1;
158 }
159 if (length($hash) != 40)
160 {
161 print STDERR "FATAL: Invalid hash length for file $file\n";
162 fatal_error();
163 return 1;
164 }
165 if ($hash ne $hashes{$file})
166 {
167 if ($rebuild)
168 {
169 print STDERR "Updating hash on file $file\n";
170 $hashes{$file} = $hash;
171 }
172 else
173 {
174 print STDERR "Hash check failed for file $file\n";
175 }
176 $badfiles++;
177 }
178 elsif ($verbose)
179 { print "Hash Check OK for $file\n";}
180 }
181
182
183 if ($badfiles && !$rebuild)
184 {
185 print STDERR "FATAL: hash mismatch on $badfiles files\n";
186 fatal_error();
187 return 1;
188 }
189
190 if ($badfiles || $force_rewrite)
191 {
192 print "Updating Hash file $hash_file\n";
193 if (!open(OUT, ">$hash_file"))
194 {
195 print STDERR "Error rewriting $hash_file";
196 return 1;
197 }
198 print OUT "const char * const FIPS_source_hashes[] = {\n";
199 foreach (@hashed_files)
200 {
201 print OUT "\"HMAC-SHA1($_)= $hashes{$_}\",\n";
202 }
203 print OUT "};\n";
204 close OUT;
205 }
206
207 if (!$badfiles)
208 {
209 print "FIPS hash check successful\n";
210 }
211
212 return 0;
213
214 }
215
216
217sub fatal_error
218 {
219 print STDERR "*** Your source code does not match the FIPS validated source ***\n";
220 }
221
222