diff options
| -rw-r--r-- | pkgtools/digest/files/digest.c | 242 |
1 files changed, 80 insertions, 162 deletions
diff --git a/pkgtools/digest/files/digest.c b/pkgtools/digest/files/digest.c index 3946f12cab7..f9798f4593a 100644 --- a/pkgtools/digest/files/digest.c +++ b/pkgtools/digest/files/digest.c @@ -1,4 +1,4 @@ -/* $NetBSD: digest.c,v 1.5 2002/12/21 04:06:14 schmonz Exp $ */ +/* $NetBSD: digest.c,v 1.6 2003/06/15 00:42:29 atatat Exp $ */ /* * Copyright (c) 2001 Alistair G. Crooks. All rights reserved. @@ -39,7 +39,7 @@ #ifndef lint __COPYRIGHT("@(#) Copyright (c) 2001 \ The NetBSD Foundation, Inc. All rights reserved."); -__RCSID("$NetBSD: digest.c,v 1.5 2002/12/21 04:06:14 schmonz Exp $"); +__RCSID("$NetBSD: digest.c,v 1.6 2003/06/15 00:42:29 atatat Exp $"); #endif @@ -60,165 +60,50 @@ __RCSID("$NetBSD: digest.c,v 1.5 2002/12/21 04:06:14 schmonz Exp $"); #include <unistd.h> #endif -/* perform an md5 digest, and print the results if successful */ -static int -md5_digest_file(char *fn) -{ - MD5_CTX m; - char in[BUFSIZ * 20]; - char digest[33]; - int cc; - - if (fn == NULL) { - MD5Init(&m); - while ((cc = read(STDIN_FILENO, in, sizeof(in))) > 0) { - MD5Update(&m, (u_char *)in, (unsigned) cc); - } - (void) printf("%s\n", MD5End(&m, digest)); - } else { - if (MD5File(fn, digest) == NULL) { - return 0; - } - (void) printf("MD5 (%s) = %s\n", fn, digest); - } - return 1; -} - -/* perform an sha1 digest, and print the results if successful */ -static int -sha1_digest_file(char *fn) -{ - SHA1_CTX sha; - char in[BUFSIZ * 20]; - char digest[41]; - int cc; - - if (fn == NULL) { - SHA1Init(&sha); - while ((cc = read(STDIN_FILENO, in, sizeof(in))) > 0) { - SHA1Update(&sha, (u_char *)in, (unsigned) cc); - } - (void) printf("%s\n", SHA1End(&sha, digest)); - } else { - if (SHA1File(fn, digest) == NULL) { - return 0; - } - (void) printf("SHA1 (%s) = %s\n", fn, digest); - } - return 1; -} - -/* perform an ripemd160 digest, and print the results if successful */ -static int -rmd160_digest_file(char *fn) -{ - RMD160_CTX rmd; - char in[BUFSIZ * 20]; - char digest[41]; - int cc; - - if (fn == NULL) { - RMD160Init(&rmd); - while ((cc = read(STDIN_FILENO, in, sizeof(in))) > 0) { - RMD160Update(&rmd, (u_char *)in, (unsigned) cc); - } - (void) printf("%s\n", RMD160End(&rmd, digest)); - } else { - if (RMD160File(fn, digest) == NULL) { - return 0; - } - (void) printf("RMD160 (%s) = %s\n", fn, digest); - } - return 1; -} - -/* perform a sha256 digest, and print the results if successful */ -static int -sha256_digest_file(char *fn) -{ - SHA256_CTX sha256; - char in[BUFSIZ * 20]; - char digest[65]; - int cc; - - if (fn == NULL) { - SHA256_Init(&sha256); - while ((cc = read(STDIN_FILENO, in, sizeof(in))) > 0) { - SHA256_Update(&sha256, (u_char *)in, (unsigned) cc); - } - (void) printf("%s\n", SHA256_End(&sha256, digest)); - } else { - if (SHA256_File(fn, digest) == NULL) { - return 0; - } - (void) printf("SHA256 (%s) = %s\n", fn, digest); - } - return 1; -} - -/* perform a sha384 digest, and print the results if successful */ -static int -sha384_digest_file(char *fn) -{ - SHA384_CTX sha384; - char in[BUFSIZ * 20]; - char digest[97]; - int cc; - - if (fn == NULL) { - SHA384_Init(&sha384); - while ((cc = read(STDIN_FILENO, in, sizeof(in))) > 0) { - SHA384_Update(&sha384, (u_char *)in, (unsigned) cc); - } - (void) printf("%s\n", SHA384_End(&sha384, digest)); - } else { - if (SHA384_File(fn, digest) == NULL) { - return 0; - } - (void) printf("SHA384 (%s) = %s\n", fn, digest); - } - return 1; -} - -/* perform a sha512 digest, and print the results if successful */ -static int -sha512_digest_file(char *fn) -{ - SHA512_CTX sha512; - char in[BUFSIZ * 20]; - char digest[129]; - int cc; - - if (fn == NULL) { - SHA512_Init(&sha512); - while ((cc = read(STDIN_FILENO, in, sizeof(in))) > 0) { - SHA512_Update(&sha512, (u_char *)in, (unsigned) cc); - } - (void) printf("%s\n", SHA512_End(&sha512, digest)); - } else { - if (SHA512_File(fn, digest) == NULL) { - return 0; - } - (void) printf("SHA512 (%s) = %s\n", fn, digest); - } - return 1; -} - +typedef void (*HASH_init)(void *); +typedef void (*HASH_update)(void *, const unsigned char *, unsigned int); +typedef char *(*HASH_end)(void *, char *); +typedef char *(*HASH_file)(char *, char *); + /* this struct defines a message digest algorithm */ typedef struct alg_t { - const char *name; /* algorithm name */ - int (*func)(char *); /* function to call */ + const char *name; + int hash_len; + HASH_init hash_init; + HASH_update hash_update; + HASH_end hash_end; + HASH_file hash_file; + union { + MD5_CTX m; + SHA1_CTX sha; + RMD160_CTX rmd; + SHA256_CTX sha256; + SHA384_CTX sha384; + SHA512_CTX sha512; + } hash_ctx, hash_ctx2; } alg_t; /* list of supported message digest algorithms */ static alg_t algorithms[] = { - { "md5", md5_digest_file }, - { "rmd160", rmd160_digest_file }, - { "sha1", sha1_digest_file }, - { "sha256", sha256_digest_file }, - { "sha384", sha384_digest_file }, - { "sha512", sha512_digest_file }, - { NULL } + { "MD5", 16, + (HASH_init) MD5Init, (HASH_update) MD5Update, + (HASH_end) MD5End, (HASH_file) MD5File }, + { "RMD160", 20, + (HASH_init) RMD160Init, (HASH_update) RMD160Update, + (HASH_end) RMD160End, (HASH_file) RMD160File }, + { "SHA1", 20, + (HASH_init) SHA1Init, (HASH_update) SHA1Update, + (HASH_end) SHA1End, (HASH_file) SHA1File }, + { "SHA256", SHA256_DIGEST_LENGTH, + (HASH_init) SHA256_Init, (HASH_update) SHA256_Update, + (HASH_end) SHA256_End, (HASH_file) SHA256_File }, + { "SHA384", SHA384_DIGEST_LENGTH, + (HASH_init) SHA384_Init, (HASH_update) SHA384_Update, + (HASH_end) SHA384_End, (HASH_file) SHA384_File }, + { "SHA512", SHA512_DIGEST_LENGTH, + (HASH_init) SHA512_Init, (HASH_update) SHA512_Update, + (HASH_end) SHA512_End, (HASH_file) SHA512_File }, + { NULL } }; /* find an algorithm, given a name */ @@ -232,6 +117,34 @@ find_algorithm(const char *a) return (alg->name) ? alg : NULL; } +/* compute a digest, and print the results if successful */ +static int +digest_file(char *fn, alg_t *alg) +{ + char in[BUFSIZ * 20]; + char *digest; + int cc, rc; + + digest = malloc(alg->hash_len * 2 + 1); + + if (fn == NULL) { + (*alg->hash_init)(&alg->hash_ctx); + while ((cc = read(STDIN_FILENO, in, sizeof(in))) > 0) { + (*alg->hash_update)(&alg->hash_ctx, (u_char *)in, + (unsigned) cc); + } + (void) printf("%s\n", (*alg->hash_end)(&alg->hash_ctx, digest)); + rc = 1; + } else { + if ((*alg->hash_file)(fn, digest) == NULL) { + rc = 0; + } else { + (void) printf("%s (%s) = %s\n", alg->name, fn, digest); + rc = 1; + } + } +} + int main(int argc, char **argv) { @@ -249,23 +162,28 @@ main(int argc, char **argv) return EXIT_SUCCESS; } } - if (argc == optind) { + argc -= optind; + argv += optind; + + if (argc == 0) { (void) fprintf(stderr, "Usage: %s algorithm [file...]\n", *argv); return EXIT_FAILURE; } - if ((alg = find_algorithm(argv[optind])) == NULL) { - (void) fprintf(stderr, "No such algorithm `%s'\n", argv[optind]); + if ((alg = find_algorithm(argv[0])) == NULL) { + (void) fprintf(stderr, "No such algorithm `%s'\n", argv[0]); exit(EXIT_FAILURE); } + argc--; + argv++; rval = EXIT_SUCCESS; - if (argc == optind + 1) { - if (!(*alg->func)(NULL)) { + if (argc == 0) { + if (!digest_file(NULL, alg)) { (void) fprintf(stderr, "stdin\n"); rval = EXIT_FAILURE; } } else { - for (i = optind + 1 ; i < argc ; i++) { - if (!(*alg->func)(argv[i])) { + for (i = 0 ; i < argc ; i++) { + if (!digest_file(argv[i], alg)) { (void) fprintf(stderr, "%s\n", argv[i]); rval = EXIT_FAILURE; } |