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-rw-r--r--pkgtools/digest/files/digest.c242
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;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-15 22:10:03 +0000