]> andersk Git - gssapi-openssh.git/blobdiff - openssh/ssh-keygen.c
The man2html from jbasney on pkilab2 works whereas the standard one doesn't.
[gssapi-openssh.git] / openssh / ssh-keygen.c
index 4273c11321c8830820cd51936733b4653830ae10..6d509972fa52558cbe7b6ced9bbcdf35b1202077 100644 (file)
@@ -12,7 +12,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: ssh-keygen.c,v 1.101 2002/06/23 09:39:55 deraadt Exp $");
+RCSID("$OpenBSD: ssh-keygen.c,v 1.83 2001/10/25 21:14:32 markus Exp $");
 
 #include <openssl/evp.h>
 #include <openssl/pem.h>
@@ -29,6 +29,8 @@ RCSID("$OpenBSD: ssh-keygen.c,v 1.101 2002/06/23 09:39:55 deraadt Exp $");
 #include "readpass.h"
 
 #ifdef SMARTCARD
+#include <sectok.h>
+#include <openssl/engine.h>
 #include "scard.h"
 #endif
 
@@ -71,7 +73,8 @@ int convert_to_ssh2 = 0;
 int convert_from_ssh2 = 0;
 int print_public = 0;
 
-char *key_type_name = NULL;
+/* default to RSA for SSH-1 */
+char *key_type_name = "rsa1";
 
 /* argv0 */
 #ifdef HAVE___PROGNAME
@@ -88,25 +91,21 @@ ask_filename(struct passwd *pw, const char *prompt)
        char buf[1024];
        char *name = NULL;
 
-       if (key_type_name == NULL)
+       switch (key_type_from_name(key_type_name)) {
+       case KEY_RSA1:
+               name = _PATH_SSH_CLIENT_IDENTITY;
+               break;
+       case KEY_DSA:
+               name = _PATH_SSH_CLIENT_ID_DSA;
+               break;
+       case KEY_RSA:
                name = _PATH_SSH_CLIENT_ID_RSA;
-       else
-               switch (key_type_from_name(key_type_name)) {
-               case KEY_RSA1:
-                       name = _PATH_SSH_CLIENT_IDENTITY;
-                       break;
-               case KEY_DSA:
-                       name = _PATH_SSH_CLIENT_ID_DSA;
-                       break;
-               case KEY_RSA:
-                       name = _PATH_SSH_CLIENT_ID_RSA;
-                       break;
-               default:
-                       fprintf(stderr, "bad key type");
-                       exit(1);
-                       break;
-               }
-
+               break;
+       default:
+               fprintf(stderr, "bad key type");
+               exit(1);
+               break;
+       }
        snprintf(identity_file, sizeof(identity_file), "%s/%s", pw->pw_dir, name);
        fprintf(stderr, "%s (%s): ", prompt, identity_file);
        fflush(stderr);
@@ -140,7 +139,7 @@ load_identity(char *filename)
 }
 
 #define SSH_COM_PUBLIC_BEGIN           "---- BEGIN SSH2 PUBLIC KEY ----"
-#define SSH_COM_PUBLIC_END             "---- END SSH2 PUBLIC KEY ----"
+#define SSH_COM_PUBLIC_END             "---- END SSH2 PUBLIC KEY ----"
 #define SSH_COM_PRIVATE_BEGIN          "---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----"
 #define        SSH_COM_PRIVATE_KEY_MAGIC       0x3f6ff9eb
 
@@ -148,7 +147,7 @@ static void
 do_convert_to_ssh2(struct passwd *pw)
 {
        Key *k;
-       u_int len;
+       int len;
        u_char *blob;
        struct stat st;
 
@@ -170,7 +169,7 @@ do_convert_to_ssh2(struct passwd *pw)
        }
        fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN);
        fprintf(stdout,
-           "Comment: \"%u-bit %s, converted from OpenSSH by %s@%s\"\n",
+           "Comment: \"%d-bit %s, converted from OpenSSH by %s@%s\"\n",
            key_size(k), key_type(k),
            pw->pw_name, hostname);
        dump_base64(stdout, blob, len);
@@ -189,12 +188,12 @@ buffer_get_bignum_bits(Buffer *b, BIGNUM *value)
        if (buffer_len(b) < bytes)
                fatal("buffer_get_bignum_bits: input buffer too small: "
                    "need %d have %d", bytes, buffer_len(b));
-       BN_bin2bn(buffer_ptr(b), bytes, value);
+       BN_bin2bn((u_char *)buffer_ptr(b), bytes, value);
        buffer_consume(b, bytes);
 }
 
 static Key *
-do_convert_private_ssh2_from_blob(u_char *blob, u_int blen)
+do_convert_private_ssh2_from_blob(u_char *blob, int blen)
 {
        Buffer b;
        Key *key = NULL;
@@ -273,7 +272,7 @@ do_convert_private_ssh2_from_blob(u_char *blob, u_int blen)
                break;
        }
        rlen = buffer_len(&b);
-       if (rlen != 0)
+       if(rlen != 0)
                error("do_convert_private_ssh2_from_blob: "
                    "remaining bytes in key blob %d", rlen);
        buffer_free(&b);
@@ -290,7 +289,6 @@ do_convert_from_ssh2(struct passwd *pw)
 {
        Key *k;
        int blen;
-       u_int len;
        char line[1024], *p;
        u_char blob[8096];
        char encoded[8096];
@@ -335,13 +333,7 @@ do_convert_from_ssh2(struct passwd *pw)
                *p = '\0';
                strlcat(encoded, line, sizeof(encoded));
        }
-       len = strlen(encoded);
-       if (((len % 4) == 3) &&
-           (encoded[len-1] == '=') &&
-           (encoded[len-2] == '=') &&
-           (encoded[len-3] == '='))
-               encoded[len-3] = '\0';
-       blen = uudecode(encoded, blob, sizeof(blob));
+       blen = uudecode(encoded, (u_char *)blob, sizeof(blob));
        if (blen < 0) {
                fprintf(stderr, "uudecode failed.\n");
                exit(1);
@@ -363,8 +355,7 @@ do_convert_from_ssh2(struct passwd *pw)
                exit(1);
        }
        key_free(k);
-       if (!private)
-               fprintf(stdout, "\n");
+       fprintf(stdout, "\n");
        fclose(fp);
        exit(0);
 }
@@ -394,47 +385,145 @@ do_print_public(struct passwd *pw)
 }
 
 #ifdef SMARTCARD
+#define NUM_RSA_KEY_ELEMENTS 5+1
+#define COPY_RSA_KEY(x, i) \
+       do { \
+               len = BN_num_bytes(prv->rsa->x); \
+               elements[i] = xmalloc(len); \
+               debug("#bytes %d", len); \
+               if (BN_bn2bin(prv->rsa->x, elements[i]) < 0) \
+                       goto done; \
+       } while(0)
+
+static int
+get_AUT0(char *aut0)
+{
+       EVP_MD *evp_md = EVP_sha1();
+       EVP_MD_CTX md;
+       char *pass;
+
+       pass = read_passphrase("Enter passphrase for smartcard: ", RP_ALLOW_STDIN);
+       if (pass == NULL)
+               return -1;
+       EVP_DigestInit(&md, evp_md);
+       EVP_DigestUpdate(&md, pass, strlen(pass));
+       EVP_DigestFinal(&md, aut0, NULL);
+       memset(pass, 0, strlen(pass));
+       xfree(pass);
+       return 0;
+}
+
 static void
 do_upload(struct passwd *pw, const char *sc_reader_id)
 {
        Key *prv = NULL;
        struct stat st;
-       int ret;
-
+       u_char *elements[NUM_RSA_KEY_ELEMENTS];
+       u_char key_fid[2];
+       u_char DEFAUT0[] = {0xad, 0x9f, 0x61, 0xfe, 0xfa, 0x20, 0xce, 0x63};
+       u_char AUT0[EVP_MAX_MD_SIZE];
+       int len, status = 1, i, fd = -1, ret;
+       int sw = 0, cla = 0x00;
+
+       for (i = 0; i < NUM_RSA_KEY_ELEMENTS; i++)
+               elements[i] = NULL;
        if (!have_identity)
                ask_filename(pw, "Enter file in which the key is");
        if (stat(identity_file, &st) < 0) {
                perror(identity_file);
-               exit(1);
+               goto done;
        }
        prv = load_identity(identity_file);
        if (prv == NULL) {
                error("load failed");
-               exit(1);
+               goto done;
        }
-       ret = sc_put_key(prv, sc_reader_id);
-       key_free(prv);
-       if (ret < 0)
-               exit(1);
+       COPY_RSA_KEY(q, 0);
+       COPY_RSA_KEY(p, 1);
+       COPY_RSA_KEY(iqmp, 2);
+       COPY_RSA_KEY(dmq1, 3);
+       COPY_RSA_KEY(dmp1, 4);
+       COPY_RSA_KEY(n, 5);
+       len = BN_num_bytes(prv->rsa->n);
+       fd = sectok_friendly_open(sc_reader_id, STONOWAIT, &sw);
+       if (fd < 0) {
+               error("sectok_open failed: %s", sectok_get_sw(sw));
+               goto done;
+       }
+       if (! sectok_cardpresent(fd)) {
+               error("smartcard in reader %s not present",
+                   sc_reader_id);
+               goto done;
+       }
+       ret = sectok_reset(fd, 0, NULL, &sw);
+       if (ret <= 0) {
+               error("sectok_reset failed: %s", sectok_get_sw(sw));
+               goto done;
+       }
+       if ((cla = cyberflex_inq_class(fd)) < 0) {
+               error("cyberflex_inq_class failed");
+               goto done;
+       }
+       memcpy(AUT0, DEFAUT0, sizeof(DEFAUT0));
+       if (cyberflex_verify_AUT0(fd, cla, AUT0, sizeof(DEFAUT0)) < 0) {
+               if (get_AUT0(AUT0) < 0 ||
+                   cyberflex_verify_AUT0(fd, cla, AUT0, sizeof(DEFAUT0)) < 0) {
+                       error("cyberflex_verify_AUT0 failed");
+                       goto done;
+               }
+       }
+       key_fid[0] = 0x00;
+       key_fid[1] = 0x12;
+       if (cyberflex_load_rsa_priv(fd, cla, key_fid, 5, 8*len, elements,
+           &sw) < 0) {
+               error("cyberflex_load_rsa_priv failed: %s", sectok_get_sw(sw));
+               goto done;
+       }
+       if (!sectok_swOK(sw))
+               goto done;
+       log("cyberflex_load_rsa_priv done");
+       key_fid[0] = 0x73;
+       key_fid[1] = 0x68;
+       if (cyberflex_load_rsa_pub(fd, cla, key_fid, len, elements[5],
+           &sw) < 0) {
+               error("cyberflex_load_rsa_pub failed: %s", sectok_get_sw(sw));
+               goto done;
+       }
+       if (!sectok_swOK(sw))
+               goto done;
+       log("cyberflex_load_rsa_pub done");
+       status = 0;
        log("loading key done");
-       exit(0);
+done:
+
+       memset(elements[0], '\0', BN_num_bytes(prv->rsa->q));
+       memset(elements[1], '\0', BN_num_bytes(prv->rsa->p));
+       memset(elements[2], '\0', BN_num_bytes(prv->rsa->iqmp));
+       memset(elements[3], '\0', BN_num_bytes(prv->rsa->dmq1));
+       memset(elements[4], '\0', BN_num_bytes(prv->rsa->dmp1));
+       memset(elements[5], '\0', BN_num_bytes(prv->rsa->n));
+
+       if (prv)
+               key_free(prv);
+       for (i = 0; i < NUM_RSA_KEY_ELEMENTS; i++)
+               if (elements[i])
+                       xfree(elements[i]);
+       if (fd != -1)
+               sectok_close(fd);
+       exit(status);
 }
 
 static void
 do_download(struct passwd *pw, const char *sc_reader_id)
 {
-       Key **keys = NULL;
-       int i;
+       Key *pub = NULL;
 
-       keys = sc_get_keys(sc_reader_id, NULL);
-       if (keys == NULL)
+       pub = sc_get_key(sc_reader_id);
+       if (pub == NULL)
                fatal("cannot read public key from smartcard");
-       for (i = 0; keys[i]; i++) {
-               key_write(keys[i], stdout);
-               key_free(keys[i]);
-               fprintf(stdout, "\n");
-       }
-       xfree(keys);
+       key_write(pub, stdout);
+       key_free(pub);
+       fprintf(stdout, "\n");
        exit(0);
 }
 #endif /* SMARTCARD */
@@ -445,9 +534,7 @@ 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;
-       enum fp_rep rep;
-       enum fp_type fptype;
+       int i, skip = 0, num = 1, invalid = 1, rep, fptype;
        struct stat st;
 
        fptype = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5;
@@ -462,7 +549,7 @@ do_fingerprint(struct passwd *pw)
        public = key_load_public(identity_file, &comment);
        if (public != NULL) {
                fp = key_fingerprint(public, fptype, rep);
-               printf("%u %s %s\n", key_size(public), fp, comment);
+               printf("%d %s %s\n", key_size(public), fp, comment);
                key_free(public);
                xfree(comment);
                xfree(fp);
@@ -496,8 +583,7 @@ do_fingerprint(struct passwd *pw)
                        if (i == 0 || ep == NULL || (*ep != ' ' && *ep != '\t')) {
                                int quoted = 0;
                                comment = cp;
-                               for (; *cp && (quoted || (*cp != ' ' &&
-                                   *cp != '\t')); cp++) {
+                               for (; *cp && (quoted || (*cp != ' ' && *cp != '\t')); cp++) {
                                        if (*cp == '\\' && cp[1] == '"')
                                                cp++;   /* Skip both */
                                        else if (*cp == '"')
@@ -520,7 +606,7 @@ do_fingerprint(struct passwd *pw)
                        }
                        comment = *cp ? cp : comment;
                        fp = key_fingerprint(public, fptype, rep);
-                       printf("%u %s %s\n", key_size(public), fp,
+                       printf("%d %s %s\n", key_size(public), fp,
                            comment ? comment : "no comment");
                        xfree(fp);
                        key_free(public);
@@ -582,7 +668,7 @@ do_change_passphrase(struct passwd *pw)
                        read_passphrase("Enter new passphrase (empty for no "
                            "passphrase): ", RP_ALLOW_STDIN);
                passphrase2 = read_passphrase("Enter same passphrase again: ",
-                   RP_ALLOW_STDIN);
+                    RP_ALLOW_STDIN);
 
                /* Verify that they are the same. */
                if (strcmp(passphrase1, passphrase2) != 0) {
@@ -660,7 +746,7 @@ do_change_comment(struct passwd *pw)
                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) {
@@ -747,7 +833,7 @@ usage(void)
 int
 main(int ac, char **av)
 {
-       char dotsshdir[MAXPATHLEN], comment[1024], *passphrase1, *passphrase2;
+       char dotsshdir[16 * 1024], comment[1024], *passphrase1, *passphrase2;
        char *reader_id = NULL;
        Key *private, *public;
        struct passwd *pw;
@@ -759,6 +845,8 @@ main(int ac, char **av)
        extern char *optarg;
 
        __progname = get_progname(av[0]);
+       init_rng();
+       seed_rng();
 
        SSLeay_add_all_algorithms();
 
@@ -855,10 +943,12 @@ main(int ac, char **av)
                do_fingerprint(pw);
        if (change_passphrase)
                do_change_passphrase(pw);
-       if (convert_to_ssh2)
-               do_convert_to_ssh2(pw);
        if (change_comment)
                do_change_comment(pw);
+       if (convert_to_ssh2)
+               do_convert_to_ssh2(pw);
+       if (convert_from_ssh2)
+               do_convert_from_ssh2(pw);
        if (print_public)
                do_print_public(pw);
        if (reader_id != NULL) {
@@ -872,17 +962,8 @@ main(int ac, char **av)
 #endif /* SMARTCARD */
        }
 
-       init_rng();
-       seed_rng();
        arc4random_stir();
 
-       if (convert_from_ssh2)
-               do_convert_from_ssh2(pw);
-
-       if (key_type_name == NULL) {
-               printf("You must specify a key type (-t).\n");
-               usage();
-       }
        type = key_type_from_name(key_type_name);
        if (type == KEY_UNSPEC) {
                fprintf(stderr, "unknown key type %s\n", key_type_name);
This page took 0.05524 seconds and 4 git commands to generate.