diff options
Diffstat (limited to 'src/md5sum.c')
-rw-r--r-- | src/md5sum.c | 446 |
1 files changed, 223 insertions, 223 deletions
diff --git a/src/md5sum.c b/src/md5sum.c index 1b1ae6aa0..c8e01efb8 100644 --- a/src/md5sum.c +++ b/src/md5sum.c @@ -147,7 +147,7 @@ usage (int status) { if (status != EXIT_SUCCESS) fprintf (stderr, _("Try `%s --help' for more information.\n"), - program_name); + program_name); else { printf (_("\ @@ -156,26 +156,26 @@ Print or check %s (%d-bit) checksums.\n\ With no FILE, or when FILE is -, read standard input.\n\ \n\ "), - program_name, - DIGEST_TYPE_STRING, - DIGEST_BITS); + program_name, + DIGEST_TYPE_STRING, + DIGEST_BITS); if (O_BINARY) - fputs (_("\ + fputs (_("\ -b, --binary read in binary mode (default unless reading tty stdin)\n\ "), stdout); else - fputs (_("\ + fputs (_("\ -b, --binary read in binary mode\n\ "), stdout); printf (_("\ -c, --check read %s sums from the FILEs and check them\n"), - DIGEST_TYPE_STRING); + DIGEST_TYPE_STRING); if (O_BINARY) - fputs (_("\ + fputs (_("\ -t, --text read in text mode (default if reading tty stdin)\n\ "), stdout); else - fputs (_("\ + fputs (_("\ -t, --text read in text mode (default)\n\ "), stdout); fputs (_("\ @@ -194,7 +194,7 @@ The sums are computed as described in %s. When checking, the input\n\ should be a former output of this program. The default mode is to print\n\ a line with checksum, a character indicating type (`*' for binary, ` ' for\n\ text), and name for each FILE.\n"), - DIGEST_REFERENCE); + DIGEST_REFERENCE); emit_bug_reporting_address (); } @@ -249,7 +249,7 @@ bsd_split_3 (char *s, size_t s_len, unsigned char **hex_digest, char **file_name static bool split_3 (char *s, size_t s_len, - unsigned char **hex_digest, int *binary, char **file_name) + unsigned char **hex_digest, int *binary, char **file_name) { size_t i; bool escaped_filename = false; @@ -264,12 +264,12 @@ split_3 (char *s, size_t s_len, if (strncmp (s + i, DIGEST_TYPE_STRING, algo_name_len) == 0) { if (strncmp (s + i + algo_name_len, " (", 2) == 0) - { - *binary = 0; - return bsd_split_3 (s + i + algo_name_len + 2, - s_len - (i + algo_name_len + 2), - hex_digest, file_name); - } + { + *binary = 0; + return bsd_split_3 (s + i + algo_name_len + 2, + s_len - (i + algo_name_len + 2), + hex_digest, file_name); + } } /* Ignore this line if it is too short. @@ -306,45 +306,45 @@ split_3 (char *s, size_t s_len, if (escaped_filename) { /* Translate each `\n' string in the file name to a NEWLINE, - and each `\\' string to a backslash. */ + and each `\\' string to a backslash. */ char *dst = &s[i]; while (i < s_len) - { - switch (s[i]) - { - case '\\': - if (i == s_len - 1) - { - /* A valid line does not end with a backslash. */ - return false; - } - ++i; - switch (s[i++]) - { - case 'n': - *dst++ = '\n'; - break; - case '\\': - *dst++ = '\\'; - break; - default: - /* Only `\' or `n' may follow a backslash. */ - return false; - } - break; - - case '\0': - /* The file name may not contain a NUL. */ - return false; - break; - - default: - *dst++ = s[i++]; - break; - } - } + { + switch (s[i]) + { + case '\\': + if (i == s_len - 1) + { + /* A valid line does not end with a backslash. */ + return false; + } + ++i; + switch (s[i++]) + { + case 'n': + *dst++ = '\n'; + break; + case '\\': + *dst++ = '\\'; + break; + default: + /* Only `\' or `n' may follow a backslash. */ + return false; + } + break; + + case '\0': + /* The file name may not contain a NUL. */ + return false; + break; + + default: + *dst++ = s[i++]; + break; + } + } *dst = '\0'; } return true; @@ -388,21 +388,21 @@ digest_file (const char *filename, int *binary, unsigned char *bin_result) have_read_stdin = true; fp = stdin; if (O_BINARY && *binary) - { - if (*binary < 0) - *binary = ! isatty (STDIN_FILENO); - if (*binary) - xfreopen (NULL, "rb", stdin); - } + { + if (*binary < 0) + *binary = ! isatty (STDIN_FILENO); + if (*binary) + xfreopen (NULL, "rb", stdin); + } } else { fp = fopen (filename, (O_BINARY && *binary ? "rb" : "r")); if (fp == NULL) - { - error (0, errno, "%s", filename); - return false; - } + { + error (0, errno, "%s", filename); + return false; + } } err = DIGEST_STREAM (fp, bin_result); @@ -410,7 +410,7 @@ digest_file (const char *filename, int *binary, unsigned char *bin_result) { error (0, errno, "%s", filename); if (fp != stdin) - fclose (fp); + fclose (fp); return false; } @@ -448,10 +448,10 @@ digest_check (const char *checkfile_name) { checkfile_stream = fopen (checkfile_name, "r"); if (checkfile_stream == NULL) - { - error (0, errno, "%s", checkfile_name); - return false; - } + { + error (0, errno, "%s", checkfile_name); + return false; + } } line_number = 0; @@ -466,82 +466,82 @@ digest_check (const char *checkfile_name) ++line_number; if (line_number == 0) - error (EXIT_FAILURE, 0, _("%s: too many checksum lines"), - checkfile_name); + error (EXIT_FAILURE, 0, _("%s: too many checksum lines"), + checkfile_name); line_length = getline (&line, &line_chars_allocated, checkfile_stream); if (line_length <= 0) - break; + break; /* Ignore comment lines, which begin with a '#' character. */ if (line[0] == '#') - continue; + continue; /* Remove any trailing newline. */ if (line[line_length - 1] == '\n') - line[--line_length] = '\0'; + line[--line_length] = '\0'; if (! (split_3 (line, line_length, &hex_digest, &binary, &filename) - && ! (is_stdin && STREQ (filename, "-")) - && hex_digits (hex_digest))) - { - if (warn) - { - error (0, 0, - _("%s: %" PRIuMAX - ": improperly formatted %s checksum line"), - checkfile_name, line_number, - DIGEST_TYPE_STRING); - } - } + && ! (is_stdin && STREQ (filename, "-")) + && hex_digits (hex_digest))) + { + if (warn) + { + error (0, 0, + _("%s: %" PRIuMAX + ": improperly formatted %s checksum line"), + checkfile_name, line_number, + DIGEST_TYPE_STRING); + } + } else - { - static const char bin2hex[] = { '0', '1', '2', '3', - '4', '5', '6', '7', - '8', '9', 'a', 'b', - 'c', 'd', 'e', 'f' }; - bool ok; - - ++n_properly_formatted_lines; - - ok = digest_file (filename, &binary, bin_buffer); - - if (!ok) - { - ++n_open_or_read_failures; - if (!status_only) - { - printf (_("%s: FAILED open or read\n"), filename); - fflush (stdout); - } - } - else - { - size_t digest_bin_bytes = digest_hex_bytes / 2; - size_t cnt; - /* Compare generated binary number with text representation - in check file. Ignore case of hex digits. */ - for (cnt = 0; cnt < digest_bin_bytes; ++cnt) - { - if (tolower (hex_digest[2 * cnt]) - != bin2hex[bin_buffer[cnt] >> 4] - || (tolower (hex_digest[2 * cnt + 1]) - != (bin2hex[bin_buffer[cnt] & 0xf]))) - break; - } - if (cnt != digest_bin_bytes) - ++n_mismatched_checksums; - - if (!status_only) - { - if (cnt != digest_bin_bytes) - printf ("%s: %s\n", filename, _("FAILED")); - else if (!quiet) - printf ("%s: %s\n", filename, _("OK")); - fflush (stdout); - } - } - } + { + static const char bin2hex[] = { '0', '1', '2', '3', + '4', '5', '6', '7', + '8', '9', 'a', 'b', + 'c', 'd', 'e', 'f' }; + bool ok; + + ++n_properly_formatted_lines; + + ok = digest_file (filename, &binary, bin_buffer); + + if (!ok) + { + ++n_open_or_read_failures; + if (!status_only) + { + printf (_("%s: FAILED open or read\n"), filename); + fflush (stdout); + } + } + else + { + size_t digest_bin_bytes = digest_hex_bytes / 2; + size_t cnt; + /* Compare generated binary number with text representation + in check file. Ignore case of hex digits. */ + for (cnt = 0; cnt < digest_bin_bytes; ++cnt) + { + if (tolower (hex_digest[2 * cnt]) + != bin2hex[bin_buffer[cnt] >> 4] + || (tolower (hex_digest[2 * cnt + 1]) + != (bin2hex[bin_buffer[cnt] & 0xf]))) + break; + } + if (cnt != digest_bin_bytes) + ++n_mismatched_checksums; + + if (!status_only) + { + if (cnt != digest_bin_bytes) + printf ("%s: %s\n", filename, _("FAILED")); + else if (!quiet) + printf ("%s: %s\n", filename, _("OK")); + fflush (stdout); + } + } + } } while (!feof (checkfile_stream) && !ferror (checkfile_stream)); @@ -563,39 +563,39 @@ digest_check (const char *checkfile_name) { /* Warn if no tests are found. */ error (0, 0, _("%s: no properly formatted %s checksum lines found"), - checkfile_name, DIGEST_TYPE_STRING); + checkfile_name, DIGEST_TYPE_STRING); } else { if (!status_only) - { - if (n_open_or_read_failures != 0) - error (0, 0, - ngettext ("WARNING: %" PRIuMAX " of %" PRIuMAX - " listed file could not be read", - "WARNING: %" PRIuMAX " of %" PRIuMAX - " listed files could not be read", - select_plural (n_properly_formatted_lines)), - n_open_or_read_failures, n_properly_formatted_lines); - - if (n_mismatched_checksums != 0) - { - uintmax_t n_computed_checksums = - (n_properly_formatted_lines - n_open_or_read_failures); - error (0, 0, - ngettext ("WARNING: %" PRIuMAX " of %" PRIuMAX - " computed checksum did NOT match", - "WARNING: %" PRIuMAX " of %" PRIuMAX - " computed checksums did NOT match", - select_plural (n_computed_checksums)), - n_mismatched_checksums, n_computed_checksums); - } - } + { + if (n_open_or_read_failures != 0) + error (0, 0, + ngettext ("WARNING: %" PRIuMAX " of %" PRIuMAX + " listed file could not be read", + "WARNING: %" PRIuMAX " of %" PRIuMAX + " listed files could not be read", + select_plural (n_properly_formatted_lines)), + n_open_or_read_failures, n_properly_formatted_lines); + + if (n_mismatched_checksums != 0) + { + uintmax_t n_computed_checksums = + (n_properly_formatted_lines - n_open_or_read_failures); + error (0, 0, + ngettext ("WARNING: %" PRIuMAX " of %" PRIuMAX + " computed checksum did NOT match", + "WARNING: %" PRIuMAX " of %" PRIuMAX + " computed checksums did NOT match", + select_plural (n_computed_checksums)), + n_mismatched_checksums, n_computed_checksums); + } + } } return (n_properly_formatted_lines != 0 - && n_mismatched_checksums == 0 - && n_open_or_read_failures == 0); + && n_mismatched_checksums == 0 + && n_open_or_read_failures == 0); } int @@ -622,33 +622,33 @@ main (int argc, char **argv) switch (opt) { case 'b': - binary = 1; - break; + binary = 1; + break; case 'c': - do_check = true; - break; + do_check = true; + break; case STATUS_OPTION: - status_only = true; - warn = false; - quiet = false; - break; + status_only = true; + warn = false; + quiet = false; + break; case 't': - binary = 0; - break; + binary = 0; + break; case 'w': - status_only = false; - warn = true; - quiet = false; - break; + status_only = false; + warn = true; + quiet = false; + break; case QUIET_OPTION: - status_only = false; - warn = false; - quiet = true; - break; + status_only = false; + warn = false; + quiet = true; + break; case_GETOPT_HELP_CHAR; case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS); default: - usage (EXIT_FAILURE); + usage (EXIT_FAILURE); } min_digest_line_length = MIN_DIGEST_LINE_LENGTH; @@ -657,7 +657,7 @@ main (int argc, char **argv) if (0 <= binary && do_check) { error (0, 0, _("the --binary and --text options are meaningless when " - "verifying checksums")); + "verifying checksums")); usage (EXIT_FAILURE); } @@ -693,53 +693,53 @@ main (int argc, char **argv) char *file = argv[optind]; if (do_check) - ok &= digest_check (file); + ok &= digest_check (file); else - { - int file_is_binary = binary; - - if (! digest_file (file, &file_is_binary, bin_buffer)) - ok = false; - else - { - size_t i; - - /* Output a leading backslash if the file name contains - a newline or backslash. */ - if (strchr (file, '\n') || strchr (file, '\\')) - putchar ('\\'); - - for (i = 0; i < (digest_hex_bytes / 2); ++i) - printf ("%02x", bin_buffer[i]); - - putchar (' '); - if (file_is_binary) - putchar ('*'); - else - putchar (' '); - - /* Translate each NEWLINE byte to the string, "\\n", - and each backslash to "\\\\". */ - for (i = 0; i < strlen (file); ++i) - { - switch (file[i]) - { - case '\n': - fputs ("\\n", stdout); - break; - - case '\\': - fputs ("\\\\", stdout); - break; - - default: - putchar (file[i]); - break; - } - } - putchar ('\n'); - } - } + { + int file_is_binary = binary; + + if (! digest_file (file, &file_is_binary, bin_buffer)) + ok = false; + else + { + size_t i; + + /* Output a leading backslash if the file name contains + a newline or backslash. */ + if (strchr (file, '\n') || strchr (file, '\\')) + putchar ('\\'); + + for (i = 0; i < (digest_hex_bytes / 2); ++i) + printf ("%02x", bin_buffer[i]); + + putchar (' '); + if (file_is_binary) + putchar ('*'); + else + putchar (' '); + + /* Translate each NEWLINE byte to the string, "\\n", + and each backslash to "\\\\". */ + for (i = 0; i < strlen (file); ++i) + { + switch (file[i]) + { + case '\n': + fputs ("\\n", stdout); + break; + + case '\\': + fputs ("\\\\", stdout); + break; + + default: + putchar (file[i]); + break; + } + } + putchar ('\n'); + } + } } if (have_read_stdin && fclose (stdin) == EOF) |