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Diffstat (limited to 'usr.bin/ssh/ssh-keygen.c')
-rw-r--r--usr.bin/ssh/ssh-keygen.c133
1 files changed, 56 insertions, 77 deletions
diff --git a/usr.bin/ssh/ssh-keygen.c b/usr.bin/ssh/ssh-keygen.c
index 9f79a6a85f0..51108bc6a53 100644
--- a/usr.bin/ssh/ssh-keygen.c
+++ b/usr.bin/ssh/ssh-keygen.c
@@ -12,7 +12,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: ssh-keygen.c,v 1.51 2001/03/21 14:20:45 jakob Exp $");
+RCSID("$OpenBSD: ssh-keygen.c,v 1.52 2001/03/26 08:07:09 markus Exp $");
#include <openssl/evp.h>
#include <openssl/pem.h>
@@ -107,19 +107,20 @@ ask_filename(struct passwd *pw, const char *prompt)
have_identity = 1;
}
-int
-try_load_key(char *filename, Key *k)
+Key *
+try_load_pem_key(char *filename)
{
- int success = 1;
- if (!load_private_key(filename, "", k, NULL)) {
- char *pass = read_passphrase("Enter passphrase: ", 1);
- if (!load_private_key(filename, pass, k, NULL)) {
- success = 0;
- }
+ char *pass;
+ Key *prv;
+
+ prv = key_load_private(filename, "", NULL);
+ if (prv == NULL) {
+ pass = read_passphrase("Enter passphrase: ", 1);
+ prv = key_load_private(filename, pass, NULL);
memset(pass, 0, strlen(pass));
xfree(pass);
}
- return success;
+ return prv;
}
#define SSH_COM_PUBLIC_BEGIN "---- BEGIN SSH2 PUBLIC KEY ----"
@@ -130,7 +131,7 @@ try_load_key(char *filename, Key *k)
void
do_convert_to_ssh2(struct passwd *pw)
{
- Key *k;
+ Key *prv;
int len;
u_char *blob;
struct stat st;
@@ -141,20 +142,20 @@ do_convert_to_ssh2(struct passwd *pw)
perror(identity_file);
exit(1);
}
- k = key_new(KEY_UNSPEC);
- if (!try_load_key(identity_file, k)) {
+ prv = try_load_pem_key(identity_file);
+ if (prv == NULL) {
fprintf(stderr, "load failed\n");
exit(1);
}
- key_to_blob(k, &blob, &len);
+ key_to_blob(prv, &blob, &len);
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN);
fprintf(stdout,
"Comment: \"%d-bit %s, converted from OpenSSH by %s@%s\"\n",
- key_size(k), key_type(k),
+ key_size(prv), key_type(prv),
pw->pw_name, hostname);
dump_base64(stdout, blob, len);
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_END);
- key_free(k);
+ key_free(prv);
xfree(blob);
exit(0);
}
@@ -298,7 +299,7 @@ do_convert_from_ssh2(struct passwd *pw)
void
do_print_public(struct passwd *pw)
{
- Key *k;
+ Key *prv;
struct stat st;
if (!have_identity)
@@ -307,14 +308,14 @@ do_print_public(struct passwd *pw)
perror(identity_file);
exit(1);
}
- k = key_new(KEY_UNSPEC);
- if (!try_load_key(identity_file, k)) {
+ prv = try_load_pem_key(identity_file);
+ if (prv == NULL) {
fprintf(stderr, "load failed\n");
exit(1);
}
- if (!key_write(k, stdout))
+ if (!key_write(prv, stdout))
fprintf(stderr, "key_write failed");
- key_free(k);
+ key_free(prv);
fprintf(stdout, "\n");
exit(0);
}
@@ -325,11 +326,11 @@ do_fingerprint(struct passwd *pw)
FILE *f;
Key *public;
char *comment = NULL, *cp, *ep, line[16*1024], *fp;
- int i, skip = 0, num = 1, invalid = 1, success = 0, rep, type;
+ int i, skip = 0, num = 1, invalid = 1, rep, fptype;
struct stat st;
- type = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5;
- rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX;
+ fptype = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5;
+ rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX;
if (!have_identity)
ask_filename(pw, "Enter file in which the key is");
@@ -337,26 +338,17 @@ do_fingerprint(struct passwd *pw)
perror(identity_file);
exit(1);
}
- public = key_new(KEY_RSA1);
- if (load_public_key(identity_file, public, &comment)) {
- success = 1;
- } else {
- key_free(public);
- public = key_new(KEY_UNSPEC);
- if (try_load_public_key(identity_file, public, &comment))
- success = 1;
- else
- debug("try_load_public_key KEY_UNSPEC failed");
- }
- if (success) {
- fp = key_fingerprint(public, type, rep);
- printf("%d %s %s\n", key_size(public),
- fp, comment);
+ public = key_load_public(identity_file, &comment);
+ if (public != NULL) {
+ fp = key_fingerprint(public, fptype, rep);
+ printf("%d %s %s\n", key_size(public), fp, comment);
key_free(public);
xfree(comment);
xfree(fp);
exit(0);
}
+ if (comment)
+ xfree(comment);
f = fopen(identity_file, "r");
if (f != NULL) {
@@ -405,15 +397,15 @@ do_fingerprint(struct passwd *pw)
}
}
comment = *cp ? cp : comment;
- fp = key_fingerprint(public, type, rep);
+ fp = key_fingerprint(public, fptype, rep);
printf("%d %s %s\n", key_size(public), fp,
comment ? comment : "no comment");
xfree(fp);
+ key_free(public);
invalid = 0;
}
fclose(f);
}
- key_free(public);
if (invalid) {
printf("%s is not a valid key file.\n", identity_file);
exit(1);
@@ -432,8 +424,6 @@ do_change_passphrase(struct passwd *pw)
char *old_passphrase, *passphrase1, *passphrase2;
struct stat st;
Key *private;
- Key *public;
- int type = KEY_RSA1;
if (!have_identity)
ask_filename(pw, "Enter file in which the key is");
@@ -441,28 +431,20 @@ do_change_passphrase(struct passwd *pw)
perror(identity_file);
exit(1);
}
- public = key_new(type);
- if (!load_public_key(identity_file, public, NULL)) {
- type = KEY_UNSPEC;
- } else {
- /* Clear the public key since we are just about to load the whole file. */
- key_free(public);
- }
/* Try to load the file with empty passphrase. */
- private = key_new(type);
- if (!load_private_key(identity_file, "", private, &comment)) {
+ private = key_load_private(identity_file, "", &comment);
+ if (private == NULL) {
if (identity_passphrase)
old_passphrase = xstrdup(identity_passphrase);
else
old_passphrase = read_passphrase("Enter old passphrase: ", 1);
- if (!load_private_key(identity_file, old_passphrase, private, &comment)) {
- memset(old_passphrase, 0, strlen(old_passphrase));
- xfree(old_passphrase);
+ private = key_load_private(identity_file, old_passphrase , &comment);
+ memset(old_passphrase, 0, strlen(old_passphrase));
+ xfree(old_passphrase);
+ if (private == NULL) {
printf("Bad passphrase.\n");
exit(1);
}
- memset(old_passphrase, 0, strlen(old_passphrase));
- xfree(old_passphrase);
}
printf("Key has comment '%s'\n", comment);
@@ -490,7 +472,7 @@ do_change_passphrase(struct passwd *pw)
}
/* Save the file using the new passphrase. */
- if (!save_private_key(identity_file, passphrase1, private, comment)) {
+ if (!key_save_private(private, identity_file, passphrase1, comment)) {
printf("Saving the key failed: %s: %s.\n",
identity_file, strerror(errno));
memset(passphrase1, 0, strlen(passphrase1));
@@ -516,7 +498,8 @@ void
do_change_comment(struct passwd *pw)
{
char new_comment[1024], *comment, *passphrase;
- Key *private, *public;
+ Key *private;
+ Key *public;
struct stat st;
FILE *f;
int fd;
@@ -527,21 +510,8 @@ do_change_comment(struct passwd *pw)
perror(identity_file);
exit(1);
}
- /*
- * Try to load the public key from the file the verify that it is
- * readable and of the proper format.
- */
- public = key_new(KEY_RSA1);
- if (!load_public_key(identity_file, public, NULL)) {
- printf("%s is not a valid key file.\n", identity_file);
- printf("Comments are only supported in RSA1 keys\n");
- exit(1);
- }
-
- private = key_new(KEY_RSA1);
- if (load_private_key(identity_file, "", private, &comment))
- passphrase = xstrdup("");
- else {
+ private = key_load_private(identity_file, "", &comment);
+ if (private == NULL) {
if (identity_passphrase)
passphrase = xstrdup(identity_passphrase);
else if (identity_new_passphrase)
@@ -549,13 +519,21 @@ do_change_comment(struct passwd *pw)
else
passphrase = read_passphrase("Enter passphrase: ", 1);
/* Try to load using the passphrase. */
- if (!load_private_key(identity_file, passphrase, private, &comment)) {
+ private = key_load_private(identity_file, passphrase, &comment);
+ if (private == NULL) {
memset(passphrase, 0, strlen(passphrase));
xfree(passphrase);
printf("Bad passphrase.\n");
exit(1);
}
+ } else {
+ passphrase = xstrdup("");
}
+ if (private->type != KEY_RSA1) {
+ fprintf(stderr, "Comments are only supported for RSA1 keys.\n");
+ key_free(private);
+ exit(1);
+ }
printf("Key now has comment '%s'\n", comment);
if (identity_comment) {
@@ -573,7 +551,7 @@ do_change_comment(struct passwd *pw)
}
/* Save the file using the new passphrase. */
- if (!save_private_key(identity_file, passphrase, private, new_comment)) {
+ if (!key_save_private(private, identity_file, passphrase, new_comment)) {
printf("Saving the key failed: %s: %s.\n",
identity_file, strerror(errno));
memset(passphrase, 0, strlen(passphrase));
@@ -584,6 +562,7 @@ do_change_comment(struct passwd *pw)
}
memset(passphrase, 0, strlen(passphrase));
xfree(passphrase);
+ public = key_from_private(private);
key_free(private);
strlcat(identity_file, ".pub", sizeof(identity_file));
@@ -815,7 +794,7 @@ passphrase_again:
}
/* Save the key with the given passphrase and comment. */
- if (!save_private_key(identity_file, passphrase1, private, comment)) {
+ if (!key_save_private(private, identity_file, passphrase1, comment)) {
printf("Saving the key failed: %s: %s.\n",
identity_file, strerror(errno));
memset(passphrase1, 0, strlen(passphrase1));
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 20:35:17 +0000