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Add cryptmain() and factor out the code from the crypt tools

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sin 2013-09-02 11:17:55 +01:00
parent 4d014e66fd
commit 573d1954b2
6 changed files with 28 additions and 64 deletions
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2
crypt.h
View File

@ -5,6 +5,8 @@ struct crypt_ops {
void *s; void *s;
}; };
int cryptmain(int argc, char *argv[],
struct crypt_ops *ops, uint8_t *md, size_t sz);
int cryptsum(struct crypt_ops *ops, FILE *fp, const char *f, int cryptsum(struct crypt_ops *ops, FILE *fp, const char *f,
uint8_t *md); uint8_t *md);
void mdprint(const uint8_t *md, const char *f, size_t len); void mdprint(const uint8_t *md, const char *f, size_t len);

17
md5sum.c
View File

@ -23,7 +23,6 @@ usage(void)
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
FILE *fp;
uint8_t md[MD5_DIGEST_LENGTH]; uint8_t md[MD5_DIGEST_LENGTH];
ARGBEGIN { ARGBEGIN {
@ -33,19 +32,5 @@ main(int argc, char *argv[])
usage(); usage();
} ARGEND; } ARGEND;
if (argc == 0) { return cryptmain(argc, argv, &md5_ops, md, sizeof(md));
cryptsum(&md5_ops, stdin, "<stdin>", md);
mdprint(md, "<stdin>", sizeof(md));
} else {
for (; argc > 0; argc--) {
if ((fp = fopen(*argv, "r")) == NULL)
eprintf("fopen %s:", *argv);
cryptsum(&md5_ops, fp, *argv, md);
mdprint(md, *argv, sizeof(md));
fclose(fp);
argv++;
}
}
return 0;
} }

17
sha1sum.c
View File

@ -23,7 +23,6 @@ usage(void)
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
FILE *fp;
uint8_t md[SHA1_DIGEST_LENGTH]; uint8_t md[SHA1_DIGEST_LENGTH];
ARGBEGIN { ARGBEGIN {
@ -33,19 +32,5 @@ main(int argc, char *argv[])
usage(); usage();
} ARGEND; } ARGEND;
if (argc == 0) { return cryptmain(argc, argv, &sha1_ops, md, sizeof(md));
cryptsum(&sha1_ops, stdin, "<stdin>", md);
mdprint(md, "<stdin>", sizeof(md));
} else {
for (; argc > 0; argc--) {
if ((fp = fopen(*argv, "r")) == NULL)
eprintf("fopen %s:", *argv);
cryptsum(&sha1_ops, fp, *argv, md);
mdprint(md, *argv, sizeof(md));
fclose(fp);
argv++;
}
}
return 0;
} }

17
sha256sum.c
View File

@ -23,7 +23,6 @@ usage(void)
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
FILE *fp;
uint8_t md[SHA256_DIGEST_LENGTH]; uint8_t md[SHA256_DIGEST_LENGTH];
ARGBEGIN { ARGBEGIN {
@ -33,19 +32,5 @@ main(int argc, char *argv[])
usage(); usage();
} ARGEND; } ARGEND;
if (argc == 0) { return cryptmain(argc, argv, &sha256_ops, md, sizeof(md));
cryptsum(&sha256_ops, stdin, "<stdin>", md);
mdprint(md, "<stdin>", sizeof(md));
} else {
for (; argc > 0; argc--) {
if ((fp = fopen(*argv, "r")) == NULL)
eprintf("fopen %s:", *argv);
cryptsum(&sha256_ops, fp, *argv, md);
mdprint(md, *argv, sizeof(md));
fclose(fp);
argv++;
}
}
return 0;
} }

17
sha512sum.c
View File

@ -23,7 +23,6 @@ usage(void)
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
FILE *fp;
uint8_t md[SHA512_DIGEST_LENGTH]; uint8_t md[SHA512_DIGEST_LENGTH];
ARGBEGIN { ARGBEGIN {
@ -33,19 +32,5 @@ main(int argc, char *argv[])
usage(); usage();
} ARGEND; } ARGEND;
if (argc == 0) { return cryptmain(argc, argv, &sha512_ops, md, sizeof(md));
cryptsum(&sha512_ops, stdin, "<stdin>", md);
mdprint(md, "<stdin>", sizeof(md));
} else {
for (; argc > 0; argc--) {
if ((fp = fopen(*argv, "r")) == NULL)
eprintf("fopen %s:", *argv);
cryptsum(&sha512_ops, fp, *argv, md);
mdprint(md, *argv, sizeof(md));
fclose(fp);
argv++;
}
}
return 0;
} }

22
util/crypt.c
View File

@ -4,6 +4,28 @@
#include "../util.h" #include "../util.h"
#include "../crypt.h" #include "../crypt.h"
int
cryptmain(int argc, char *argv[],
struct crypt_ops *ops, uint8_t *md, size_t sz)
{
FILE *fp;
if (argc == 0) {
cryptsum(ops, stdin, "<stdin>", md);
mdprint(md, "<stdin>", sz);
} else {
for (; argc > 0; argc--) {
if ((fp = fopen(*argv, "r")) == NULL)
eprintf("fopen %s:", *argv);
cryptsum(ops, fp, *argv, md);
mdprint(md, *argv, sz);
fclose(fp);
argv++;
}
}
return 0;
}
int int
cryptsum(struct crypt_ops *ops, FILE *fp, const char *f, cryptsum(struct crypt_ops *ops, FILE *fp, const char *f,
uint8_t *md) uint8_t *md)