version 1.136.2.1, 2006/09/30 04:06:51 |
version 1.184, 2010/03/07 22:16:01 |
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*/ |
*/ |
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#include <sys/types.h> |
#include <sys/types.h> |
#include <sys/stat.h> |
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#include <sys/socket.h> |
#include <sys/socket.h> |
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#include <sys/stat.h> |
#include <sys/param.h> |
#include <sys/param.h> |
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#include <openssl/evp.h> |
#include <openssl/evp.h> |
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#include "match.h" |
#include "match.h" |
#include "hostfile.h" |
#include "hostfile.h" |
#include "dns.h" |
#include "dns.h" |
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#include "ssh2.h" |
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#ifdef SMARTCARD |
#ifdef ENABLE_PKCS11 |
#include "scard.h" |
#include "ssh-pkcs11.h" |
#endif |
#endif |
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/* Number of bits in the RSA/DSA key. This value can be set on the command line. */ |
/* Number of bits in the RSA/DSA key. This value can be set on the command line. */ |
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int quiet = 0; |
int quiet = 0; |
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int log_level = SYSLOG_LEVEL_INFO; |
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/* Flag indicating that we want to hash a known_hosts file */ |
/* Flag indicating that we want to hash a known_hosts file */ |
int hash_hosts = 0; |
int hash_hosts = 0; |
/* Flag indicating that we want lookup a host in known_hosts file */ |
/* Flag indicating that we want lookup a host in known_hosts file */ |
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/* Flag indicating that we want to delete a host from a known_hosts file */ |
/* Flag indicating that we want to delete a host from a known_hosts file */ |
int delete_host = 0; |
int delete_host = 0; |
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/* Flag indicating that we want to show the contents of a certificate */ |
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int show_cert = 0; |
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/* Flag indicating that we just want to see the key fingerprint */ |
/* Flag indicating that we just want to see the key fingerprint */ |
int print_fingerprint = 0; |
int print_fingerprint = 0; |
int print_bubblebabble = 0; |
int print_bubblebabble = 0; |
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/* This is set to the new comment if given on the command line. */ |
/* This is set to the new comment if given on the command line. */ |
char *identity_comment = NULL; |
char *identity_comment = NULL; |
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/* Path to CA key when certifying keys. */ |
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char *ca_key_path = NULL; |
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/* Key type when certifying */ |
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u_int cert_key_type = SSH2_CERT_TYPE_USER; |
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/* "key ID" of signed key */ |
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char *cert_key_id = NULL; |
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/* Comma-separated list of principal names for certifying keys */ |
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char *cert_principals = NULL; |
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/* Validity period for certificates */ |
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u_int64_t cert_valid_from = 0; |
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u_int64_t cert_valid_to = ~0ULL; |
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/* Certificate constraints */ |
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#define CONSTRAINT_X_FWD (1) |
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#define CONSTRAINT_AGENT_FWD (1<<1) |
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#define CONSTRAINT_PORT_FWD (1<<2) |
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#define CONSTRAINT_PTY (1<<3) |
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#define CONSTRAINT_USER_RC (1<<4) |
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#define CONSTRAINT_DEFAULT (CONSTRAINT_X_FWD|CONSTRAINT_AGENT_FWD| \ |
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CONSTRAINT_PORT_FWD|CONSTRAINT_PTY| \ |
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CONSTRAINT_USER_RC) |
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u_int32_t constraint_flags = CONSTRAINT_DEFAULT; |
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char *constraint_command = NULL; |
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char *constraint_src_addr = NULL; |
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/* Dump public key file in format used by real and the original SSH 2 */ |
/* Dump public key file in format used by real and the original SSH 2 */ |
int convert_to_ssh2 = 0; |
int convert_to_ssh2 = 0; |
int convert_from_ssh2 = 0; |
int convert_from_ssh2 = 0; |
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name = _PATH_SSH_CLIENT_ID_RSA; |
name = _PATH_SSH_CLIENT_ID_RSA; |
break; |
break; |
default: |
default: |
fprintf(stderr, "bad key type"); |
fprintf(stderr, "bad key type\n"); |
exit(1); |
exit(1); |
break; |
break; |
} |
} |
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fprintf(stderr, "%s (%s): ", prompt, identity_file); |
fprintf(stderr, "%s (%s): ", prompt, identity_file); |
if (fgets(buf, sizeof(buf), stdin) == NULL) |
if (fgets(buf, sizeof(buf), stdin) == NULL) |
exit(1); |
exit(1); |
if (strchr(buf, '\n')) |
buf[strcspn(buf, "\n")] = '\0'; |
*strchr(buf, '\n') = 0; |
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if (strcmp(buf, "") != 0) |
if (strcmp(buf, "") != 0) |
strlcpy(identity_file, buf, sizeof(identity_file)); |
strlcpy(identity_file, buf, sizeof(identity_file)); |
have_identity = 1; |
have_identity = 1; |
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Key *k; |
Key *k; |
u_int len; |
u_int len; |
u_char *blob; |
u_char *blob; |
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char comment[61]; |
struct stat st; |
struct stat st; |
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if (!have_identity) |
if (!have_identity) |
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fprintf(stderr, "key_to_blob failed\n"); |
fprintf(stderr, "key_to_blob failed\n"); |
exit(1); |
exit(1); |
} |
} |
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN); |
/* Comment + surrounds must fit into 72 chars (RFC 4716 sec 3.3) */ |
fprintf(stdout, |
snprintf(comment, sizeof(comment), |
"Comment: \"%u-bit %s, converted from OpenSSH by %s@%s\"\n", |
"%u-bit %s, converted by %s@%s from OpenSSH", |
key_size(k), key_type(k), |
key_size(k), key_type(k), |
pw->pw_name, hostname); |
pw->pw_name, hostname); |
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fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN); |
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fprintf(stdout, "Comment: \"%s\"\n", comment); |
dump_base64(stdout, blob, len); |
dump_base64(stdout, blob, len); |
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_END); |
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_END); |
key_free(k); |
key_free(k); |
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if (buffer_len(b) < bytes) |
if (buffer_len(b) < bytes) |
fatal("buffer_get_bignum_bits: input buffer too small: " |
fatal("buffer_get_bignum_bits: input buffer too small: " |
"need %d have %d", bytes, buffer_len(b)); |
"need %d have %d", bytes, buffer_len(b)); |
BN_bin2bn(buffer_ptr(b), bytes, value); |
if (BN_bin2bn(buffer_ptr(b), bytes, value) == NULL) |
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fatal("buffer_get_bignum_bits: BN_bin2bn failed"); |
buffer_consume(b, bytes); |
buffer_consume(b, bytes); |
} |
} |
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buffer_init(&b); |
buffer_init(&b); |
buffer_append(&b, blob, blen); |
buffer_append(&b, blob, blen); |
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magic = buffer_get_int(&b); |
magic = buffer_get_int(&b); |
if (magic != SSH_COM_PRIVATE_KEY_MAGIC) { |
if (magic != SSH_COM_PRIVATE_KEY_MAGIC) { |
error("bad magic 0x%x != 0x%x", magic, SSH_COM_PRIVATE_KEY_MAGIC); |
error("bad magic 0x%x != 0x%x", magic, SSH_COM_PRIVATE_KEY_MAGIC); |
buffer_free(&b); |
buffer_free(&b); |
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i2 = buffer_get_int(&b); |
i2 = buffer_get_int(&b); |
i3 = buffer_get_int(&b); |
i3 = buffer_get_int(&b); |
i4 = buffer_get_int(&b); |
i4 = buffer_get_int(&b); |
debug("ignore (%d %d %d %d)", i1,i2,i3,i4); |
debug("ignore (%d %d %d %d)", i1, i2, i3, i4); |
if (strcmp(cipher, "none") != 0) { |
if (strcmp(cipher, "none") != 0) { |
error("unsupported cipher %s", cipher); |
error("unsupported cipher %s", cipher); |
xfree(cipher); |
xfree(cipher); |
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buffer_get_bignum_bits(&b, key->dsa->priv_key); |
buffer_get_bignum_bits(&b, key->dsa->priv_key); |
break; |
break; |
case KEY_RSA: |
case KEY_RSA: |
e = buffer_get_char(&b); |
e = buffer_get_char(&b); |
debug("e %lx", e); |
debug("e %lx", e); |
if (e < 30) { |
if (e < 30) { |
e <<= 8; |
e <<= 8; |
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line[pos++] = c; |
line[pos++] = c; |
line[pos] = '\0'; |
line[pos] = '\0'; |
} |
} |
if (c == EOF) |
/* We reached EOF */ |
return -1; |
return -1; |
return pos; |
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} |
} |
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static void |
static void |
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PEM_write_RSAPrivateKey(stdout, k->rsa, NULL, NULL, 0, NULL, NULL)) : |
PEM_write_RSAPrivateKey(stdout, k->rsa, NULL, NULL, 0, NULL, NULL)) : |
key_write(k, stdout); |
key_write(k, stdout); |
if (!ok) { |
if (!ok) { |
fprintf(stderr, "key write failed"); |
fprintf(stderr, "key write failed\n"); |
exit(1); |
exit(1); |
} |
} |
key_free(k); |
key_free(k); |
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exit(0); |
exit(0); |
} |
} |
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#ifdef SMARTCARD |
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static void |
static void |
do_upload(struct passwd *pw, const char *sc_reader_id) |
do_download(struct passwd *pw, char *pkcs11provider) |
{ |
{ |
Key *prv = NULL; |
#ifdef ENABLE_PKCS11 |
struct stat st; |
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int ret; |
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if (!have_identity) |
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ask_filename(pw, "Enter file in which the key is"); |
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if (stat(identity_file, &st) < 0) { |
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perror(identity_file); |
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exit(1); |
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} |
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prv = load_identity(identity_file); |
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if (prv == NULL) { |
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error("load failed"); |
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exit(1); |
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} |
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ret = sc_put_key(prv, sc_reader_id); |
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key_free(prv); |
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if (ret < 0) |
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exit(1); |
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logit("loading key done"); |
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exit(0); |
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} |
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static void |
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do_download(struct passwd *pw, const char *sc_reader_id) |
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{ |
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Key **keys = NULL; |
Key **keys = NULL; |
int i; |
int i, nkeys; |
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keys = sc_get_keys(sc_reader_id, NULL); |
pkcs11_init(0); |
if (keys == NULL) |
nkeys = pkcs11_add_provider(pkcs11provider, NULL, &keys); |
fatal("cannot read public key from smartcard"); |
if (nkeys <= 0) |
for (i = 0; keys[i]; i++) { |
fatal("cannot read public key from pkcs11"); |
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for (i = 0; i < nkeys; i++) { |
key_write(keys[i], stdout); |
key_write(keys[i], stdout); |
key_free(keys[i]); |
key_free(keys[i]); |
fprintf(stdout, "\n"); |
fprintf(stdout, "\n"); |
} |
} |
xfree(keys); |
xfree(keys); |
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pkcs11_terminate(); |
exit(0); |
exit(0); |
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#else |
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fatal("no pkcs11 support"); |
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#endif /* ENABLE_PKCS11 */ |
} |
} |
#endif /* SMARTCARD */ |
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static void |
static void |
do_fingerprint(struct passwd *pw) |
do_fingerprint(struct passwd *pw) |
{ |
{ |
FILE *f; |
FILE *f; |
Key *public; |
Key *public; |
char *comment = NULL, *cp, *ep, line[16*1024], *fp; |
char *comment = NULL, *cp, *ep, line[16*1024], *fp, *ra; |
int i, skip = 0, num = 1, invalid = 1; |
int i, skip = 0, num = 0, invalid = 1; |
enum fp_rep rep; |
enum fp_rep rep; |
enum fp_type fptype; |
enum fp_type fptype; |
struct stat st; |
struct stat st; |
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public = key_load_public(identity_file, &comment); |
public = key_load_public(identity_file, &comment); |
if (public != NULL) { |
if (public != NULL) { |
fp = key_fingerprint(public, fptype, rep); |
fp = key_fingerprint(public, fptype, rep); |
printf("%u %s %s\n", key_size(public), fp, comment); |
ra = key_fingerprint(public, SSH_FP_MD5, SSH_FP_RANDOMART); |
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printf("%u %s %s (%s)\n", key_size(public), fp, comment, |
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key_type(public)); |
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if (log_level >= SYSLOG_LEVEL_VERBOSE) |
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printf("%s\n", ra); |
key_free(public); |
key_free(public); |
xfree(comment); |
xfree(comment); |
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xfree(ra); |
xfree(fp); |
xfree(fp); |
exit(0); |
exit(0); |
} |
} |
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f = fopen(identity_file, "r"); |
f = fopen(identity_file, "r"); |
if (f != NULL) { |
if (f != NULL) { |
while (fgets(line, sizeof(line), f)) { |
while (fgets(line, sizeof(line), f)) { |
i = strlen(line) - 1; |
if ((cp = strchr(line, '\n')) == NULL) { |
if (line[i] != '\n') { |
error("line %d too long: %.40s...", |
error("line %d too long: %.40s...", num, line); |
num + 1, line); |
skip = 1; |
skip = 1; |
continue; |
continue; |
} |
} |
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skip = 0; |
skip = 0; |
continue; |
continue; |
} |
} |
line[i] = '\0'; |
*cp = '\0'; |
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/* Skip leading whitespace, empty and comment lines. */ |
/* Skip leading whitespace, empty and comment lines. */ |
for (cp = line; *cp == ' ' || *cp == '\t'; cp++) |
for (cp = line; *cp == ' ' || *cp == '\t'; cp++) |
; |
; |
if (!*cp || *cp == '\n' || *cp == '#') |
if (!*cp || *cp == '\n' || *cp == '#') |
continue ; |
continue; |
i = strtol(cp, &ep, 10); |
i = strtol(cp, &ep, 10); |
if (i == 0 || ep == NULL || (*ep != ' ' && *ep != '\t')) { |
if (i == 0 || ep == NULL || (*ep != ' ' && *ep != '\t')) { |
int quoted = 0; |
int quoted = 0; |
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} |
} |
comment = *cp ? cp : comment; |
comment = *cp ? cp : comment; |
fp = key_fingerprint(public, fptype, rep); |
fp = key_fingerprint(public, fptype, rep); |
printf("%u %s %s\n", key_size(public), fp, |
ra = key_fingerprint(public, SSH_FP_MD5, SSH_FP_RANDOMART); |
comment ? comment : "no comment"); |
printf("%u %s %s (%s)\n", key_size(public), fp, |
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comment ? comment : "no comment", key_type(public)); |
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if (log_level >= SYSLOG_LEVEL_VERBOSE) |
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printf("%s\n", ra); |
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xfree(ra); |
xfree(fp); |
xfree(fp); |
key_free(public); |
key_free(public); |
invalid = 0; |
invalid = 0; |
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} |
} |
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static void |
static void |
print_host(FILE *f, char *name, Key *public, int hash) |
printhost(FILE *f, const char *name, Key *public, int ca, int hash) |
{ |
{ |
if (hash && (name = host_hash(name, NULL, 0)) == NULL) |
if (print_fingerprint) { |
fatal("hash_host failed"); |
enum fp_rep rep; |
fprintf(f, "%s ", name); |
enum fp_type fptype; |
if (!key_write(public, f)) |
char *fp, *ra; |
fatal("key_write failed"); |
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fprintf(f, "\n"); |
fptype = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5; |
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rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX; |
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fp = key_fingerprint(public, fptype, rep); |
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ra = key_fingerprint(public, SSH_FP_MD5, SSH_FP_RANDOMART); |
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printf("%u %s %s (%s)\n", key_size(public), fp, name, |
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key_type(public)); |
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if (log_level >= SYSLOG_LEVEL_VERBOSE) |
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printf("%s\n", ra); |
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xfree(ra); |
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xfree(fp); |
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} else { |
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if (hash && (name = host_hash(name, NULL, 0)) == NULL) |
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fatal("hash_host failed"); |
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fprintf(f, "%s%s%s ", ca ? CA_MARKER : "", ca ? " " : "", name); |
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if (!key_write(public, f)) |
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fatal("key_write failed"); |
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fprintf(f, "\n"); |
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} |
} |
} |
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static void |
static void |
do_known_hosts(struct passwd *pw, const char *name) |
do_known_hosts(struct passwd *pw, const char *name) |
{ |
{ |
FILE *in, *out = stdout; |
FILE *in, *out = stdout; |
Key *public; |
Key *pub; |
char *cp, *cp2, *kp, *kp2; |
char *cp, *cp2, *kp, *kp2; |
char line[16*1024], tmp[MAXPATHLEN], old[MAXPATHLEN]; |
char line[16*1024], tmp[MAXPATHLEN], old[MAXPATHLEN]; |
int c, i, skip = 0, inplace = 0, num = 0, invalid = 0, has_unhashed = 0; |
int c, skip = 0, inplace = 0, num = 0, invalid = 0, has_unhashed = 0; |
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int ca; |
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if (!have_identity) { |
if (!have_identity) { |
cp = tilde_expand_filename(_PATH_SSH_USER_HOSTFILE, pw->pw_uid); |
cp = tilde_expand_filename(_PATH_SSH_USER_HOSTFILE, pw->pw_uid); |
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} |
} |
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while (fgets(line, sizeof(line), in)) { |
while (fgets(line, sizeof(line), in)) { |
num++; |
if ((cp = strchr(line, '\n')) == NULL) { |
i = strlen(line) - 1; |
error("line %d too long: %.40s...", num + 1, line); |
if (line[i] != '\n') { |
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error("line %d too long: %.40s...", num, line); |
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skip = 1; |
skip = 1; |
invalid = 1; |
invalid = 1; |
continue; |
continue; |
} |
} |
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num++; |
if (skip) { |
if (skip) { |
skip = 0; |
skip = 0; |
continue; |
continue; |
} |
} |
line[i] = '\0'; |
*cp = '\0'; |
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/* Skip leading whitespace, empty and comment lines. */ |
/* Skip leading whitespace, empty and comment lines. */ |
for (cp = line; *cp == ' ' || *cp == '\t'; cp++) |
for (cp = line; *cp == ' ' || *cp == '\t'; cp++) |
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fprintf(out, "%s\n", cp); |
fprintf(out, "%s\n", cp); |
continue; |
continue; |
} |
} |
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/* Check whether this is a CA key */ |
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if (strncasecmp(cp, CA_MARKER, sizeof(CA_MARKER) - 1) == 0 && |
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(cp[sizeof(CA_MARKER) - 1] == ' ' || |
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cp[sizeof(CA_MARKER) - 1] == '\t')) { |
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ca = 1; |
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cp += sizeof(CA_MARKER); |
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} else |
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ca = 0; |
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/* Find the end of the host name portion. */ |
/* Find the end of the host name portion. */ |
for (kp = cp; *kp && *kp != ' ' && *kp != '\t'; kp++) |
for (kp = cp; *kp && *kp != ' ' && *kp != '\t'; kp++) |
; |
; |
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if (*kp == '\0' || *(kp + 1) == '\0') { |
if (*kp == '\0' || *(kp + 1) == '\0') { |
error("line %d missing key: %.40s...", |
error("line %d missing key: %.40s...", |
num, line); |
num, line); |
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*kp++ = '\0'; |
*kp++ = '\0'; |
kp2 = kp; |
kp2 = kp; |
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public = key_new(KEY_RSA1); |
pub = key_new(KEY_RSA1); |
if (key_read(public, &kp) != 1) { |
if (key_read(pub, &kp) != 1) { |
kp = kp2; |
kp = kp2; |
key_free(public); |
key_free(pub); |
public = key_new(KEY_UNSPEC); |
pub = key_new(KEY_UNSPEC); |
if (key_read(public, &kp) != 1) { |
if (key_read(pub, &kp) != 1) { |
error("line %d invalid key: %.40s...", |
error("line %d invalid key: %.40s...", |
num, line); |
num, line); |
key_free(public); |
key_free(pub); |
invalid = 1; |
invalid = 1; |
continue; |
continue; |
} |
} |
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c = (strcmp(cp2, cp) == 0); |
c = (strcmp(cp2, cp) == 0); |
if (find_host && c) { |
if (find_host && c) { |
printf("# Host %s found: " |
printf("# Host %s found: " |
"line %d type %s\n", name, |
"line %d type %s%s\n", name, |
num, key_type(public)); |
num, key_type(pub), |
print_host(out, cp, public, 0); |
ca ? " (CA key)" : ""); |
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printhost(out, cp, pub, ca, 0); |
} |
} |
if (delete_host && !c) |
if (delete_host && !c && !ca) |
print_host(out, cp, public, 0); |
printhost(out, cp, pub, ca, 0); |
} else if (hash_hosts) |
} else if (hash_hosts) |
print_host(out, cp, public, 0); |
printhost(out, cp, pub, ca, 0); |
} else { |
} else { |
if (find_host || delete_host) { |
if (find_host || delete_host) { |
c = (match_hostname(name, cp, |
c = (match_hostname(name, cp, |
strlen(cp)) == 1); |
strlen(cp)) == 1); |
if (find_host && c) { |
if (find_host && c) { |
printf("# Host %s found: " |
printf("# Host %s found: " |
"line %d type %s\n", name, |
"line %d type %s%s\n", name, |
num, key_type(public)); |
num, key_type(pub), |
print_host(out, cp, public, hash_hosts); |
ca ? " (CA key)" : ""); |
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printhost(out, name, pub, |
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ca, hash_hosts && !ca); |
} |
} |
if (delete_host && !c) |
if (delete_host && !c && !ca) |
print_host(out, cp, public, 0); |
printhost(out, cp, pub, ca, 0); |
} else if (hash_hosts) { |
} else if (hash_hosts) { |
for (cp2 = strsep(&cp, ","); |
for (cp2 = strsep(&cp, ","); |
cp2 != NULL && *cp2 != '\0'; |
cp2 != NULL && *cp2 != '\0'; |
cp2 = strsep(&cp, ",")) { |
cp2 = strsep(&cp, ",")) { |
if (strcspn(cp2, "*?!") != strlen(cp2)) |
if (ca) { |
fprintf(stderr, "Warning: " |
fprintf(stderr, "Warning: " |
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"ignoring CA key for host: " |
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"%.64s\n", cp2); |
|
printhost(out, cp2, pub, ca, 0); |
|
} else if (strcspn(cp2, "*?!") != |
|
strlen(cp2)) { |
|
fprintf(stderr, "Warning: " |
"ignoring host name with " |
"ignoring host name with " |
"metacharacters: %.64s\n", |
"metacharacters: %.64s\n", |
cp2); |
cp2); |
else |
printhost(out, cp2, pub, ca, 0); |
print_host(out, cp2, public, 1); |
} else |
|
printhost(out, cp2, pub, ca, 1); |
} |
} |
has_unhashed = 1; |
has_unhashed = 1; |
} |
} |
} |
} |
key_free(public); |
key_free(pub); |
} |
} |
fclose(in); |
fclose(in); |
|
|
if (invalid) { |
if (invalid) { |
fprintf(stderr, "%s is not a valid known_host file.\n", |
fprintf(stderr, "%s is not a valid known_hosts file.\n", |
identity_file); |
identity_file); |
if (inplace) { |
if (inplace) { |
fprintf(stderr, "Not replacing existing known_hosts " |
fprintf(stderr, "Not replacing existing known_hosts " |
|
|
key_free(private); |
key_free(private); |
exit(1); |
exit(1); |
} |
} |
if (strchr(new_comment, '\n')) |
new_comment[strcspn(new_comment, "\n")] = '\0'; |
*strchr(new_comment, '\n') = 0; |
|
} |
} |
|
|
/* Save the file using the new passphrase. */ |
/* Save the file using the new passphrase. */ |
|
|
} |
} |
f = fdopen(fd, "w"); |
f = fdopen(fd, "w"); |
if (f == NULL) { |
if (f == NULL) { |
printf("fdopen %s failed", identity_file); |
printf("fdopen %s failed\n", identity_file); |
exit(1); |
exit(1); |
} |
} |
if (!key_write(public, f)) |
if (!key_write(public, f)) |
fprintf(stderr, "write key failed"); |
fprintf(stderr, "write key failed\n"); |
key_free(public); |
key_free(public); |
fprintf(f, " %s\n", new_comment); |
fprintf(f, " %s\n", new_comment); |
fclose(f); |
fclose(f); |
|
|
exit(0); |
exit(0); |
} |
} |
|
|
|
static const char * |
|
fmt_validity(u_int64_t valid_from, u_int64_t valid_to) |
|
{ |
|
char from[32], to[32]; |
|
static char ret[64]; |
|
time_t tt; |
|
struct tm *tm; |
|
|
|
*from = *to = '\0'; |
|
if (valid_from == 0 && valid_to == 0xffffffffffffffffULL) |
|
return "forever"; |
|
|
|
if (valid_from != 0) { |
|
/* XXX revisit INT_MAX in 2038 :) */ |
|
tt = valid_from > INT_MAX ? INT_MAX : valid_from; |
|
tm = localtime(&tt); |
|
strftime(from, sizeof(from), "%Y-%m-%dT%H:%M:%S", tm); |
|
} |
|
if (valid_to != 0xffffffffffffffffULL) { |
|
/* XXX revisit INT_MAX in 2038 :) */ |
|
tt = valid_to > INT_MAX ? INT_MAX : valid_to; |
|
tm = localtime(&tt); |
|
strftime(to, sizeof(to), "%Y-%m-%dT%H:%M:%S", tm); |
|
} |
|
|
|
if (valid_from == 0) { |
|
snprintf(ret, sizeof(ret), "before %s", to); |
|
return ret; |
|
} |
|
if (valid_to == 0xffffffffffffffffULL) { |
|
snprintf(ret, sizeof(ret), "after %s", from); |
|
return ret; |
|
} |
|
|
|
snprintf(ret, sizeof(ret), "from %s to %s", from, to); |
|
return ret; |
|
} |
|
|
static void |
static void |
|
add_flag_constraint(Buffer *c, const char *name) |
|
{ |
|
debug3("%s: %s", __func__, name); |
|
buffer_put_cstring(c, name); |
|
buffer_put_string(c, NULL, 0); |
|
} |
|
|
|
static void |
|
add_string_constraint(Buffer *c, const char *name, const char *value) |
|
{ |
|
Buffer b; |
|
|
|
debug3("%s: %s=%s", __func__, name, value); |
|
buffer_init(&b); |
|
buffer_put_cstring(&b, value); |
|
|
|
buffer_put_cstring(c, name); |
|
buffer_put_string(c, buffer_ptr(&b), buffer_len(&b)); |
|
|
|
buffer_free(&b); |
|
} |
|
|
|
static void |
|
prepare_constraint_buf(Buffer *c) |
|
{ |
|
|
|
buffer_clear(c); |
|
if ((constraint_flags & CONSTRAINT_X_FWD) != 0) |
|
add_flag_constraint(c, "permit-X11-forwarding"); |
|
if ((constraint_flags & CONSTRAINT_AGENT_FWD) != 0) |
|
add_flag_constraint(c, "permit-agent-forwarding"); |
|
if ((constraint_flags & CONSTRAINT_PORT_FWD) != 0) |
|
add_flag_constraint(c, "permit-port-forwarding"); |
|
if ((constraint_flags & CONSTRAINT_PTY) != 0) |
|
add_flag_constraint(c, "permit-pty"); |
|
if ((constraint_flags & CONSTRAINT_USER_RC) != 0) |
|
add_flag_constraint(c, "permit-user-rc"); |
|
if (constraint_command != NULL) |
|
add_string_constraint(c, "force-command", constraint_command); |
|
if (constraint_src_addr != NULL) |
|
add_string_constraint(c, "source-address", constraint_src_addr); |
|
} |
|
|
|
static void |
|
do_ca_sign(struct passwd *pw, int argc, char **argv) |
|
{ |
|
int i, fd; |
|
u_int n; |
|
Key *ca, *public; |
|
char *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
|
FILE *f; |
|
|
|
tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
|
if ((ca = load_identity(tmp)) == NULL) |
|
fatal("Couldn't load CA key \"%s\"", tmp); |
|
xfree(tmp); |
|
|
|
for (i = 0; i < argc; i++) { |
|
/* Split list of principals */ |
|
n = 0; |
|
if (cert_principals != NULL) { |
|
otmp = tmp = xstrdup(cert_principals); |
|
plist = NULL; |
|
for (; (cp = strsep(&tmp, ",")) != NULL; n++) { |
|
plist = xrealloc(plist, n + 1, sizeof(*plist)); |
|
if (*(plist[n] = xstrdup(cp)) == '\0') |
|
fatal("Empty principal name"); |
|
} |
|
xfree(otmp); |
|
} |
|
|
|
tmp = tilde_expand_filename(argv[i], pw->pw_uid); |
|
if ((public = key_load_public(tmp, &comment)) == NULL) |
|
fatal("%s: unable to open \"%s\"", __func__, tmp); |
|
if (public->type != KEY_RSA && public->type != KEY_DSA) |
|
fatal("%s: key \"%s\" type %s cannot be certified", |
|
__func__, tmp, key_type(public)); |
|
|
|
/* Prepare certificate to sign */ |
|
if (key_to_certified(public) != 0) |
|
fatal("Could not upgrade key %s to certificate", tmp); |
|
public->cert->type = cert_key_type; |
|
public->cert->key_id = xstrdup(cert_key_id); |
|
public->cert->nprincipals = n; |
|
public->cert->principals = plist; |
|
public->cert->valid_after = cert_valid_from; |
|
public->cert->valid_before = cert_valid_to; |
|
prepare_constraint_buf(&public->cert->constraints); |
|
public->cert->signature_key = key_from_private(ca); |
|
|
|
if (key_certify(public, ca) != 0) |
|
fatal("Couldn't not certify key %s", tmp); |
|
|
|
if ((cp = strrchr(tmp, '.')) != NULL && strcmp(cp, ".pub") == 0) |
|
*cp = '\0'; |
|
xasprintf(&out, "%s-cert.pub", tmp); |
|
xfree(tmp); |
|
|
|
if ((fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) |
|
fatal("Could not open \"%s\" for writing: %s", out, |
|
strerror(errno)); |
|
if ((f = fdopen(fd, "w")) == NULL) |
|
fatal("%s: fdopen: %s", __func__, strerror(errno)); |
|
if (!key_write(public, f)) |
|
fatal("Could not write certified key to %s", out); |
|
fprintf(f, " %s\n", comment); |
|
fclose(f); |
|
|
|
if (!quiet) |
|
logit("Signed %s key %s: id \"%s\"%s%s valid %s", |
|
cert_key_type == SSH2_CERT_TYPE_USER?"user":"host", |
|
out, cert_key_id, |
|
cert_principals != NULL ? " for " : "", |
|
cert_principals != NULL ? cert_principals : "", |
|
fmt_validity(cert_valid_from, cert_valid_to)); |
|
|
|
key_free(public); |
|
xfree(out); |
|
} |
|
exit(0); |
|
} |
|
|
|
static u_int64_t |
|
parse_relative_time(const char *s, time_t now) |
|
{ |
|
int64_t mul, secs; |
|
|
|
mul = *s == '-' ? -1 : 1; |
|
|
|
if ((secs = convtime(s + 1)) == -1) |
|
fatal("Invalid relative certificate time %s", s); |
|
if (mul == -1 && secs > now) |
|
fatal("Certificate time %s cannot be represented", s); |
|
return now + (u_int64_t)(secs * mul); |
|
} |
|
|
|
static u_int64_t |
|
parse_absolute_time(const char *s) |
|
{ |
|
struct tm tm; |
|
time_t tt; |
|
char buf[32], *fmt; |
|
|
|
/* |
|
* POSIX strptime says "The application shall ensure that there |
|
* is white-space or other non-alphanumeric characters between |
|
* any two conversion specifications" so arrange things this way. |
|
*/ |
|
switch (strlen(s)) { |
|
case 8: |
|
fmt = "%Y-%m-%d"; |
|
snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2s", s, s + 4, s + 6); |
|
break; |
|
case 14: |
|
fmt = "%Y-%m-%dT%H:%M:%S"; |
|
snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2sT%.2s:%.2s:%.2s", |
|
s, s + 4, s + 6, s + 8, s + 10, s + 12); |
|
break; |
|
default: |
|
fatal("Invalid certificate time format %s", s); |
|
} |
|
|
|
bzero(&tm, sizeof(tm)); |
|
if (strptime(buf, fmt, &tm) == NULL) |
|
fatal("Invalid certificate time %s", s); |
|
if ((tt = mktime(&tm)) < 0) |
|
fatal("Certificate time %s cannot be represented", s); |
|
return (u_int64_t)tt; |
|
} |
|
|
|
static void |
|
parse_cert_times(char *timespec) |
|
{ |
|
char *from, *to; |
|
time_t now = time(NULL); |
|
int64_t secs; |
|
|
|
/* +timespec relative to now */ |
|
if (*timespec == '+' && strchr(timespec, ':') == NULL) { |
|
if ((secs = convtime(timespec + 1)) == -1) |
|
fatal("Invalid relative certificate life %s", timespec); |
|
cert_valid_to = now + secs; |
|
/* |
|
* Backdate certificate one minute to avoid problems on hosts |
|
* with poorly-synchronised clocks. |
|
*/ |
|
cert_valid_from = ((now - 59)/ 60) * 60; |
|
return; |
|
} |
|
|
|
/* |
|
* from:to, where |
|
* from := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS |
|
* to := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS |
|
*/ |
|
from = xstrdup(timespec); |
|
to = strchr(from, ':'); |
|
if (to == NULL || from == to || *(to + 1) == '\0') |
|
fatal("Invalid certificate life specification %s", timespec); |
|
*to++ = '\0'; |
|
|
|
if (*from == '-' || *from == '+') |
|
cert_valid_from = parse_relative_time(from, now); |
|
else |
|
cert_valid_from = parse_absolute_time(from); |
|
|
|
if (*to == '-' || *to == '+') |
|
cert_valid_to = parse_relative_time(to, cert_valid_from); |
|
else |
|
cert_valid_to = parse_absolute_time(to); |
|
|
|
if (cert_valid_to <= cert_valid_from) |
|
fatal("Empty certificate validity interval"); |
|
xfree(from); |
|
} |
|
|
|
static void |
|
add_cert_constraint(char *opt) |
|
{ |
|
char *val; |
|
|
|
if (strcmp(opt, "clear") == 0) |
|
constraint_flags = 0; |
|
else if (strcasecmp(opt, "no-x11-forwarding") == 0) |
|
constraint_flags &= ~CONSTRAINT_X_FWD; |
|
else if (strcasecmp(opt, "permit-x11-forwarding") == 0) |
|
constraint_flags |= CONSTRAINT_X_FWD; |
|
else if (strcasecmp(opt, "no-agent-forwarding") == 0) |
|
constraint_flags &= ~CONSTRAINT_AGENT_FWD; |
|
else if (strcasecmp(opt, "permit-agent-forwarding") == 0) |
|
constraint_flags |= CONSTRAINT_AGENT_FWD; |
|
else if (strcasecmp(opt, "no-port-forwarding") == 0) |
|
constraint_flags &= ~CONSTRAINT_PORT_FWD; |
|
else if (strcasecmp(opt, "permit-port-forwarding") == 0) |
|
constraint_flags |= CONSTRAINT_PORT_FWD; |
|
else if (strcasecmp(opt, "no-pty") == 0) |
|
constraint_flags &= ~CONSTRAINT_PTY; |
|
else if (strcasecmp(opt, "permit-pty") == 0) |
|
constraint_flags |= CONSTRAINT_PTY; |
|
else if (strcasecmp(opt, "no-user-rc") == 0) |
|
constraint_flags &= ~CONSTRAINT_USER_RC; |
|
else if (strcasecmp(opt, "permit-user-rc") == 0) |
|
constraint_flags |= CONSTRAINT_USER_RC; |
|
else if (strncasecmp(opt, "force-command=", 14) == 0) { |
|
val = opt + 14; |
|
if (*val == '\0') |
|
fatal("Empty force-command constraint"); |
|
if (constraint_command != NULL) |
|
fatal("force-command already specified"); |
|
constraint_command = xstrdup(val); |
|
} else if (strncasecmp(opt, "source-address=", 15) == 0) { |
|
val = opt + 15; |
|
if (*val == '\0') |
|
fatal("Empty source-address constraint"); |
|
if (constraint_src_addr != NULL) |
|
fatal("source-address already specified"); |
|
if (addr_match_cidr_list(NULL, val) != 0) |
|
fatal("Invalid source-address list"); |
|
constraint_src_addr = xstrdup(val); |
|
} else |
|
fatal("Unsupported certificate constraint \"%s\"", opt); |
|
} |
|
|
|
static void |
|
do_show_cert(struct passwd *pw) |
|
{ |
|
Key *key; |
|
struct stat st; |
|
char *key_fp, *ca_fp; |
|
Buffer constraints, constraint; |
|
u_char *name, *data; |
|
u_int i, dlen; |
|
|
|
if (!have_identity) |
|
ask_filename(pw, "Enter file in which the key is"); |
|
if (stat(identity_file, &st) < 0) { |
|
perror(identity_file); |
|
exit(1); |
|
} |
|
if ((key = key_load_public(identity_file, NULL)) == NULL) |
|
fatal("%s is not a public key", identity_file); |
|
if (!key_is_cert(key)) |
|
fatal("%s is not a certificate", identity_file); |
|
|
|
key_fp = key_fingerprint(key, SSH_FP_MD5, SSH_FP_HEX); |
|
ca_fp = key_fingerprint(key->cert->signature_key, |
|
SSH_FP_MD5, SSH_FP_HEX); |
|
|
|
printf("%s:\n", identity_file); |
|
printf(" %s certificate %s\n", key_type(key), key_fp); |
|
printf(" Signed by %s CA %s\n", |
|
key_type(key->cert->signature_key), ca_fp); |
|
printf(" Key ID \"%s\"\n", key->cert->key_id); |
|
printf(" Valid: %s\n", |
|
fmt_validity(key->cert->valid_after, key->cert->valid_before)); |
|
printf(" Principals: "); |
|
if (key->cert->nprincipals == 0) |
|
printf("(none)\n"); |
|
else { |
|
for (i = 0; i < key->cert->nprincipals; i++) |
|
printf("\n %s", |
|
key->cert->principals[i]); |
|
printf("\n"); |
|
} |
|
printf(" Constraints: "); |
|
if (buffer_len(&key->cert->constraints) == 0) |
|
printf("(none)\n"); |
|
else { |
|
printf("\n"); |
|
buffer_init(&constraints); |
|
buffer_append(&constraints, |
|
buffer_ptr(&key->cert->constraints), |
|
buffer_len(&key->cert->constraints)); |
|
buffer_init(&constraint); |
|
while (buffer_len(&constraints) != 0) { |
|
name = buffer_get_string(&constraints, NULL); |
|
data = buffer_get_string_ptr(&constraints, &dlen); |
|
buffer_append(&constraint, data, dlen); |
|
printf(" %s", name); |
|
if (strcmp(name, "permit-X11-forwarding") == 0 || |
|
strcmp(name, "permit-agent-forwarding") == 0 || |
|
strcmp(name, "permit-port-forwarding") == 0 || |
|
strcmp(name, "permit-pty") == 0 || |
|
strcmp(name, "permit-user-rc") == 0) |
|
printf("\n"); |
|
else if (strcmp(name, "force-command") == 0 || |
|
strcmp(name, "source-address") == 0) { |
|
data = buffer_get_string(&constraint, NULL); |
|
printf(" %s\n", data); |
|
xfree(data); |
|
} else { |
|
printf(" UNKNOWN CONSTRAINT (len %u)\n", |
|
buffer_len(&constraint)); |
|
buffer_clear(&constraint); |
|
} |
|
xfree(name); |
|
if (buffer_len(&constraint) != 0) |
|
fatal("Constraint corrupt: extra data at end"); |
|
} |
|
buffer_free(&constraint); |
|
buffer_free(&constraints); |
|
} |
|
|
|
exit(0); |
|
} |
|
|
|
static void |
usage(void) |
usage(void) |
{ |
{ |
fprintf(stderr, "Usage: %s [options]\n", __progname); |
fprintf(stderr, "usage: %s [options]\n", __progname); |
fprintf(stderr, "Options:\n"); |
fprintf(stderr, "Options:\n"); |
fprintf(stderr, " -a trials Number of trials for screening DH-GEX moduli.\n"); |
fprintf(stderr, " -a trials Number of trials for screening DH-GEX moduli.\n"); |
fprintf(stderr, " -B Show bubblebabble digest of key file.\n"); |
fprintf(stderr, " -B Show bubblebabble digest of key file.\n"); |
fprintf(stderr, " -b bits Number of bits in the key to create.\n"); |
fprintf(stderr, " -b bits Number of bits in the key to create.\n"); |
fprintf(stderr, " -C comment Provide new comment.\n"); |
fprintf(stderr, " -C comment Provide new comment.\n"); |
fprintf(stderr, " -c Change comment in private and public key files.\n"); |
fprintf(stderr, " -c Change comment in private and public key files.\n"); |
#ifdef SMARTCARD |
#ifdef ENABLE_PKCS11 |
fprintf(stderr, " -D reader Download public key from smartcard.\n"); |
fprintf(stderr, " -D pkcs11 Download public key from pkcs11 token.\n"); |
#endif /* SMARTCARD */ |
#endif |
fprintf(stderr, " -e Convert OpenSSH to IETF SECSH key file.\n"); |
fprintf(stderr, " -e Convert OpenSSH to RFC 4716 key file.\n"); |
fprintf(stderr, " -F hostname Find hostname in known hosts file.\n"); |
fprintf(stderr, " -F hostname Find hostname in known hosts file.\n"); |
fprintf(stderr, " -f filename Filename of the key file.\n"); |
fprintf(stderr, " -f filename Filename of the key file.\n"); |
fprintf(stderr, " -G file Generate candidates for DH-GEX moduli.\n"); |
fprintf(stderr, " -G file Generate candidates for DH-GEX moduli.\n"); |
fprintf(stderr, " -g Use generic DNS resource record format.\n"); |
fprintf(stderr, " -g Use generic DNS resource record format.\n"); |
fprintf(stderr, " -H Hash names in known_hosts file.\n"); |
fprintf(stderr, " -H Hash names in known_hosts file.\n"); |
fprintf(stderr, " -i Convert IETF SECSH to OpenSSH key file.\n"); |
fprintf(stderr, " -h Generate host certificate instead of a user certificate.\n"); |
|
fprintf(stderr, " -I key_id Key identifier to include in certificate.\n"); |
|
fprintf(stderr, " -i Convert RFC 4716 to OpenSSH key file.\n"); |
|
fprintf(stderr, " -L Print the contents of a certificate.\n"); |
fprintf(stderr, " -l Show fingerprint of key file.\n"); |
fprintf(stderr, " -l Show fingerprint of key file.\n"); |
fprintf(stderr, " -M memory Amount of memory (MB) to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -M memory Amount of memory (MB) to use for generating DH-GEX moduli.\n"); |
|
fprintf(stderr, " -n name,... User/host principal names to include in certificate\n"); |
fprintf(stderr, " -N phrase Provide new passphrase.\n"); |
fprintf(stderr, " -N phrase Provide new passphrase.\n"); |
|
fprintf(stderr, " -O cnstr Specify a certificate constraint.\n"); |
fprintf(stderr, " -P phrase Provide old passphrase.\n"); |
fprintf(stderr, " -P phrase Provide old passphrase.\n"); |
fprintf(stderr, " -p Change passphrase of private key file.\n"); |
fprintf(stderr, " -p Change passphrase of private key file.\n"); |
fprintf(stderr, " -q Quiet.\n"); |
fprintf(stderr, " -q Quiet.\n"); |
fprintf(stderr, " -R hostname Remove host from known_hosts file.\n"); |
fprintf(stderr, " -R hostname Remove host from known_hosts file.\n"); |
fprintf(stderr, " -r hostname Print DNS resource record.\n"); |
fprintf(stderr, " -r hostname Print DNS resource record.\n"); |
|
fprintf(stderr, " -s ca_key Certify keys with CA key.\n"); |
fprintf(stderr, " -S start Start point (hex) for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -S start Start point (hex) for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -T file Screen candidates for DH-GEX moduli.\n"); |
fprintf(stderr, " -T file Screen candidates for DH-GEX moduli.\n"); |
fprintf(stderr, " -t type Specify type of key to create.\n"); |
fprintf(stderr, " -t type Specify type of key to create.\n"); |
#ifdef SMARTCARD |
fprintf(stderr, " -V from:to Specify certificate validity interval.\n"); |
fprintf(stderr, " -U reader Upload private key to smartcard.\n"); |
|
#endif /* SMARTCARD */ |
|
fprintf(stderr, " -v Verbose.\n"); |
fprintf(stderr, " -v Verbose.\n"); |
fprintf(stderr, " -W gen Generator to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -W gen Generator to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -y Read private key file and print public key.\n"); |
fprintf(stderr, " -y Read private key file and print public key.\n"); |
|
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* Main program for key management. |
* Main program for key management. |
*/ |
*/ |
int |
int |
main(int ac, char **av) |
main(int argc, char **argv) |
{ |
{ |
char dotsshdir[MAXPATHLEN], comment[1024], *passphrase1, *passphrase2; |
char dotsshdir[MAXPATHLEN], comment[1024], *passphrase1, *passphrase2; |
char out_file[MAXPATHLEN], *reader_id = NULL; |
char out_file[MAXPATHLEN], *pkcs11provider = NULL; |
char *rr_hostname = NULL; |
char *rr_hostname = NULL; |
Key *private, *public; |
Key *private, *public; |
struct passwd *pw; |
struct passwd *pw; |
struct stat st; |
struct stat st; |
int opt, type, fd, download = 0; |
int opt, type, fd; |
u_int32_t memory = 0, generator_wanted = 0, trials = 100; |
u_int32_t memory = 0, generator_wanted = 0, trials = 100; |
int do_gen_candidates = 0, do_screen_candidates = 0; |
int do_gen_candidates = 0, do_screen_candidates = 0; |
int log_level = SYSLOG_LEVEL_INFO; |
|
BIGNUM *start = NULL; |
BIGNUM *start = NULL; |
FILE *f; |
FILE *f; |
const char *errstr; |
const char *errstr; |
|
|
sanitise_stdfd(); |
sanitise_stdfd(); |
|
|
SSLeay_add_all_algorithms(); |
SSLeay_add_all_algorithms(); |
log_init(av[0], SYSLOG_LEVEL_INFO, SYSLOG_FACILITY_USER, 1); |
log_init(argv[0], SYSLOG_LEVEL_INFO, SYSLOG_FACILITY_USER, 1); |
|
|
/* we need this for the home * directory. */ |
/* we need this for the home * directory. */ |
pw = getpwuid(getuid()); |
pw = getpwuid(getuid()); |
|
|
exit(1); |
exit(1); |
} |
} |
|
|
while ((opt = getopt(ac, av, |
while ((opt = getopt(argc, argv, "degiqpclBHLhvxXyF:b:f:t:D:I:P:N:n:" |
"degiqpclBHvxXyF:b:f:t:U:D:P:N:C:r:g:R:T:G:M:S:a:W:")) != -1) { |
"O:C:r:g:R:T:G:M:S:s:a:V:W:")) != -1) { |
switch (opt) { |
switch (opt) { |
case 'b': |
case 'b': |
bits = (u_int32_t)strtonum(optarg, 768, 32768, &errstr); |
bits = (u_int32_t)strtonum(optarg, 768, 32768, &errstr); |
|
|
case 'H': |
case 'H': |
hash_hosts = 1; |
hash_hosts = 1; |
break; |
break; |
|
case 'I': |
|
cert_key_id = optarg; |
|
break; |
case 'R': |
case 'R': |
delete_host = 1; |
delete_host = 1; |
rr_hostname = optarg; |
rr_hostname = optarg; |
break; |
break; |
|
case 'L': |
|
show_cert = 1; |
|
break; |
case 'l': |
case 'l': |
print_fingerprint = 1; |
print_fingerprint = 1; |
break; |
break; |
case 'B': |
case 'B': |
print_bubblebabble = 1; |
print_bubblebabble = 1; |
break; |
break; |
|
case 'n': |
|
cert_principals = optarg; |
|
break; |
case 'p': |
case 'p': |
change_passphrase = 1; |
change_passphrase = 1; |
break; |
break; |
|
|
case 'N': |
case 'N': |
identity_new_passphrase = optarg; |
identity_new_passphrase = optarg; |
break; |
break; |
|
case 'O': |
|
add_cert_constraint(optarg); |
|
break; |
case 'C': |
case 'C': |
identity_comment = optarg; |
identity_comment = optarg; |
break; |
break; |
|
|
/* export key */ |
/* export key */ |
convert_to_ssh2 = 1; |
convert_to_ssh2 = 1; |
break; |
break; |
|
case 'h': |
|
cert_key_type = SSH2_CERT_TYPE_HOST; |
|
constraint_flags = 0; |
|
break; |
case 'i': |
case 'i': |
case 'X': |
case 'X': |
/* import key */ |
/* import key */ |
|
|
case 'd': |
case 'd': |
key_type_name = "dsa"; |
key_type_name = "dsa"; |
break; |
break; |
|
case 's': |
|
ca_key_path = optarg; |
|
break; |
case 't': |
case 't': |
key_type_name = optarg; |
key_type_name = optarg; |
break; |
break; |
case 'D': |
case 'D': |
download = 1; |
pkcs11provider = optarg; |
/*FALLTHROUGH*/ |
|
case 'U': |
|
reader_id = optarg; |
|
break; |
break; |
case 'v': |
case 'v': |
if (log_level == SYSLOG_LEVEL_INFO) |
if (log_level == SYSLOG_LEVEL_INFO) |
|
|
if (BN_hex2bn(&start, optarg) == 0) |
if (BN_hex2bn(&start, optarg) == 0) |
fatal("Invalid start point."); |
fatal("Invalid start point."); |
break; |
break; |
|
case 'V': |
|
parse_cert_times(optarg); |
|
break; |
case '?': |
case '?': |
default: |
default: |
usage(); |
usage(); |
|
|
} |
} |
|
|
/* reinit */ |
/* reinit */ |
log_init(av[0], log_level, SYSLOG_FACILITY_USER, 1); |
log_init(argv[0], log_level, SYSLOG_FACILITY_USER, 1); |
|
|
if (optind < ac) { |
argv += optind; |
|
argc -= optind; |
|
|
|
if (ca_key_path != NULL) { |
|
if (argc < 1) { |
|
printf("Too few arguments.\n"); |
|
usage(); |
|
} |
|
} else if (argc > 0) { |
printf("Too many arguments.\n"); |
printf("Too many arguments.\n"); |
usage(); |
usage(); |
} |
} |
|
|
printf("Can only have one of -p and -c.\n"); |
printf("Can only have one of -p and -c.\n"); |
usage(); |
usage(); |
} |
} |
|
if (print_fingerprint && (delete_host || hash_hosts)) { |
|
printf("Cannot use -l with -D or -R.\n"); |
|
usage(); |
|
} |
|
if (ca_key_path != NULL) { |
|
if (cert_key_id == NULL) |
|
fatal("Must specify key id (-I) when certifying"); |
|
do_ca_sign(pw, argc, argv); |
|
} |
|
if (show_cert) |
|
do_show_cert(pw); |
if (delete_host || hash_hosts || find_host) |
if (delete_host || hash_hosts || find_host) |
do_known_hosts(pw, rr_hostname); |
do_known_hosts(pw, rr_hostname); |
if (print_fingerprint || print_bubblebabble) |
if (print_fingerprint || print_bubblebabble) |
|
|
exit(0); |
exit(0); |
} |
} |
} |
} |
if (reader_id != NULL) { |
if (pkcs11provider != NULL) |
#ifdef SMARTCARD |
do_download(pw, pkcs11provider); |
if (download) |
|
do_download(pw, reader_id); |
|
else |
|
do_upload(pw, reader_id); |
|
#else /* SMARTCARD */ |
|
fatal("no support for smartcards."); |
|
#endif /* SMARTCARD */ |
|
} |
|
|
|
if (do_gen_candidates) { |
if (do_gen_candidates) { |
FILE *out = fopen(out_file, "w"); |
FILE *out = fopen(out_file, "w"); |
|
|
printf("Generating public/private %s key pair.\n", key_type_name); |
printf("Generating public/private %s key pair.\n", key_type_name); |
private = key_generate(type, bits); |
private = key_generate(type, bits); |
if (private == NULL) { |
if (private == NULL) { |
fprintf(stderr, "key_generate failed"); |
fprintf(stderr, "key_generate failed\n"); |
exit(1); |
exit(1); |
} |
} |
public = key_from_private(private); |
public = key_from_private(private); |
|
|
if (identity_comment) { |
if (identity_comment) { |
strlcpy(comment, identity_comment, sizeof(comment)); |
strlcpy(comment, identity_comment, sizeof(comment)); |
} else { |
} else { |
/* Create default commend field for the passphrase. */ |
/* Create default comment field for the passphrase. */ |
snprintf(comment, sizeof comment, "%s@%s", pw->pw_name, hostname); |
snprintf(comment, sizeof comment, "%s@%s", pw->pw_name, hostname); |
} |
} |
|
|
|
|
} |
} |
f = fdopen(fd, "w"); |
f = fdopen(fd, "w"); |
if (f == NULL) { |
if (f == NULL) { |
printf("fdopen %s failed", identity_file); |
printf("fdopen %s failed\n", identity_file); |
exit(1); |
exit(1); |
} |
} |
if (!key_write(public, f)) |
if (!key_write(public, f)) |
fprintf(stderr, "write key failed"); |
fprintf(stderr, "write key failed\n"); |
fprintf(f, " %s\n", comment); |
fprintf(f, " %s\n", comment); |
fclose(f); |
fclose(f); |
|
|
if (!quiet) { |
if (!quiet) { |
char *fp = key_fingerprint(public, SSH_FP_MD5, SSH_FP_HEX); |
char *fp = key_fingerprint(public, SSH_FP_MD5, SSH_FP_HEX); |
|
char *ra = key_fingerprint(public, SSH_FP_MD5, |
|
SSH_FP_RANDOMART); |
printf("Your public key has been saved in %s.\n", |
printf("Your public key has been saved in %s.\n", |
identity_file); |
identity_file); |
printf("The key fingerprint is:\n"); |
printf("The key fingerprint is:\n"); |
printf("%s %s\n", fp, comment); |
printf("%s %s\n", fp, comment); |
|
printf("The key's randomart image is:\n"); |
|
printf("%s\n", ra); |
|
xfree(ra); |
xfree(fp); |
xfree(fp); |
} |
} |
|
|