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(md5_check): New function -- extracted from main.

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This commit is contained in:
Jim Meyering
1995-07-22 05:16:40 +00:00
parent 0e7bce124f
commit 6abd6fdd72
1 changed files with 118 additions and 113 deletions
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src/md5sum.c
+118 -113
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@@ -69,6 +69,12 @@
/* Hook for i18n. */
#define _(str) str
/* FIXME: comment. */
static int verbose = 0;
/* FIXME: comment. */
static int quiet = 0;
/* The name this program was run with. */
char *program_name;
@@ -121,8 +127,7 @@ a line with checksum, type, and name for each FILE.\n"),
exit (status);
}
/* FIXME: new format doesn't work with filenames containing blanks. */
/* FIXME: neither format works with filenames containing newline. */
/* FIXME: this format loses with filenames containing newline. */
static int
split_3 (s, u, binary, w)
@@ -228,6 +233,116 @@ md5_file (filename, binary)
return 0;
}
static int
md5_check (checkfile_name)
const char *checkfile_name;
{
FILE *checkfile_stream;
int n_tests = 0;
int n_tests_failed = 0;
unsigned char md5buffer[16];
if (strcmp (checkfile_name, "-") == 0)
{
checkfile_name = "standard input";
checkfile_stream = stdin;
}
else
{
checkfile_stream = fopen (checkfile_name, "r");
if (checkfile_stream == NULL)
if (quiet)
exit (EXIT_FAILURE);
else
error (EXIT_FAILURE, errno, "%s", checkfile_name);
}
do
{
char line[1024];
char *filename;
int type_flag;
char *md5num;
int err;
/* FIXME: Use getline, not fgets. */
if (fgets (line, 1024, checkfile_stream) == NULL)
break;
/* Ignore comment lines, which begin with a '#' character. */
if (line[0] == '#')
continue;
/* Remove any trailing newline. */
if (line[strlen (line) - 1] == '\n')
line[strlen (line) - 1] = '\0';
err = split_3 (line, &md5num, &type_flag, &filename);
if (err || !hex_digits (md5num))
{
/* FIXME: report file name and line number. */
if (verbose)
error (0, 0, _("invalid line in check file: %s"), line);
}
else
{
static const char bin2hex[] = { '0', '1', '2', '3',
'4', '5', '6', '7',
'8', '9', 'a', 'b',
'c', 'd', 'e', 'f' };
size_t cnt;
FILE *fp;
if (strcmp (filename, "-") == 0)
fp = stdin;
else
{
fp = fopen (filename, OPENOPTS);
if (fp == NULL)
/* The text of this sometimes message completes the
message given above. */
error (EXIT_FAILURE, errno, "%s", filename);
}
++n_tests;
md5_stream (fp, md5buffer);
if (fp != stdin && fclose (fp) == EOF)
error (EXIT_FAILURE, errno, "%s", filename);
/* Compare generated binary number with text representation
in check file. Ignore case of hex digits. */
for (cnt = 0; cnt < 16; ++cnt)
if (TOLOWER (md5num[2 * cnt]) != bin2hex[md5buffer[cnt] >> 4]
|| TOLOWER (md5num[2 * cnt + 1])
!= (bin2hex[md5buffer[cnt] & 0xf]))
break;
if (cnt != 16)
++n_tests_failed;
if (!quiet)
{
printf ("%s: %s\n", filename,
(cnt == 16 ? _("OK") : _("FAILED")));
fflush (stdout);
}
}
}
while (!feof (checkfile_stream));
if (fclose (checkfile_stream) == EOF)
error (EXIT_FAILURE, errno, "%s", checkfile_name);
if (!quiet)
printf (n_tests == 1 ? (n_tests_failed ? _("Test failed\n")
: _("Test passed\n"))
: _("%d out of %d tests failed\n"),
n_tests_failed, n_tests);
/* FIXME: warn if no tests are found? */
return (n_tests_failed == 0 ? 0 : 1);
}
int
main (argc, argv)
int argc;
@@ -238,9 +353,7 @@ main (argc, argv)
int do_check = 0;
int do_help = 0;
int do_version = 0;
int verbose = 0;
int opt;
int quiet = 0;
char **string = NULL;
char n_strings = 0;
size_t i;
@@ -341,11 +454,6 @@ main (argc, argv)
}
else
{
FILE *checkfile_stream;
char *checkfile_name;
int n_tests = 0;
int n_tests_failed = 0;
if (optind + 1 < argc)
{
error (0, 0,
@@ -353,110 +461,7 @@ main (argc, argv)
usage (EXIT_FAILURE);
}
if (optind == argc || strcmp (argv[optind], "-") == 0)
{
checkfile_name = "-";
checkfile_stream = stdin;
}
else
{
checkfile_name = argv[optind];
checkfile_stream = fopen (checkfile_name, "r");
if (checkfile_stream == NULL)
if (quiet)
exit (EXIT_FAILURE);
else
error (EXIT_FAILURE, errno, "%s", checkfile_name);
}
do
{
char line[1024];
char *filename;
int type_flag;
char *md5num;
int err;
/* FIXME: Use getline, not fgets. */
if (fgets (line, 1024, checkfile_stream) == NULL)
break;
/* Ignore comment lines, which begin with a '#' character. */
if (line[0] == '#')
continue;
/* Remove any trailing newline. */
if (line[strlen (line) - 1] == '\n')
line[strlen (line) - 1] = '\0';
/* FIXME: maybe accept the output of --string=STRING. */
err = split_3 (line, &md5num, &type_flag, &filename);
if (err || !hex_digits (md5num))
{
/* FIXME: report file name and line number. */
if (verbose)
error (0, 0, _("invalid line in check file: %s"), line);
}
else
{
static const char bin2hex[] = { '0', '1', '2', '3',
'4', '5', '6', '7',
'8', '9', 'a', 'b',
'c', 'd', 'e', 'f' };
size_t cnt;
FILE *fp;
if (!quiet)
{
printf ("%s: ", filename);
if (verbose)
fflush (stdout);
}
if (strcmp (filename, "-") == 0)
fp = stdin;
else
{
fp = fopen (filename, OPENOPTS);
if (fp == NULL)
/* The text of this sometimes message completes the
message given above. */
error (EXIT_FAILURE, errno, quiet ? "%s: " : "", filename);
}
++n_tests;
md5_stream (fp, md5buffer);
if (fp != stdin && fclose (fp) == EOF)
error (EXIT_FAILURE, errno, "%s", filename);
/* Compare generated binary number with text representation
in check file. Ignore case of hex digits. */
for (cnt = 0; cnt < 16; ++cnt)
if (TOLOWER (md5num[2 * cnt]) != bin2hex[md5buffer[cnt] >> 4]
|| TOLOWER (md5num[2 * cnt + 1])
!= (bin2hex[md5buffer[cnt] & 0xf]))
break;
if (cnt != 16)
++n_tests_failed;
if (!quiet)
puts (cnt == 16 ? _("OK") : _("FAILED"));
}
}
while (!feof (checkfile_stream));
if (fclose (checkfile_stream) == EOF)
error (EXIT_FAILURE, errno, "%s", checkfile_name);
if (!quiet)
printf (n_tests == 1 ? (n_tests_failed ? _("Test failed\n")
: _("Test passed\n"))
: _("%d out of %d tests failed\n"),
n_tests_failed, n_tests);
exit (n_tests_failed == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
err = md5_check (optind == argc ? "-" : argv[optind]);
}
if (fclose (stdout) == EOF)