diff options
Diffstat (limited to 'usr.bin/ssh/authfd.c')
| -rw-r--r-- | usr.bin/ssh/authfd.c | 76 |
1 files changed, 48 insertions, 28 deletions
diff --git a/usr.bin/ssh/authfd.c b/usr.bin/ssh/authfd.c index d62b8d65e63..e48d8ff4773 100644 --- a/usr.bin/ssh/authfd.c +++ b/usr.bin/ssh/authfd.c @@ -35,7 +35,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: authfd.c,v 1.29 2000/10/09 21:51:00 markus Exp $"); +RCSID("$OpenBSD: authfd.c,v 1.30 2000/11/12 19:50:37 markus Exp $"); #include "ssh.h" #include "rsa.h" @@ -50,7 +50,6 @@ RCSID("$OpenBSD: authfd.c,v 1.29 2000/10/09 21:51:00 markus Exp $"); #include "key.h" #include "authfd.h" #include "kex.h" -#include "dsa.h" #include "compat.h" /* helper */ @@ -207,8 +206,8 @@ ssh_close_authentication_connection(AuthenticationConnection *auth) * Returns the first authentication identity held by the agent. */ -Key * -ssh_get_first_identity(AuthenticationConnection *auth, char **comment, int version) +int +ssh_get_num_identities(AuthenticationConnection *auth, int version) { int type, code1 = 0, code2 = 0; Buffer request; @@ -223,7 +222,7 @@ ssh_get_first_identity(AuthenticationConnection *auth, char **comment, int versi code2 = SSH2_AGENT_IDENTITIES_ANSWER; break; default: - return NULL; + return 0; } /* @@ -236,14 +235,14 @@ ssh_get_first_identity(AuthenticationConnection *auth, char **comment, int versi buffer_clear(&auth->identities); if (ssh_request_reply(auth, &request, &auth->identities) == 0) { buffer_free(&request); - return NULL; + return 0; } buffer_free(&request); /* Get message type, and verify that we got a proper answer. */ type = buffer_get_char(&auth->identities); if (agent_failed(type)) { - return NULL; + return 0; } else if (type != code2) { fatal("Bad authentication reply message type: %d", type); } @@ -254,8 +253,16 @@ ssh_get_first_identity(AuthenticationConnection *auth, char **comment, int versi fatal("Too many identities in authentication reply: %d\n", auth->howmany); - /* Return the first entry (if any). */ - return ssh_get_next_identity(auth, comment, version); + return auth->howmany; +} + +Key * +ssh_get_first_identity(AuthenticationConnection *auth, char **comment, int version) +{ + /* get number of identities and return the first entry (if any). */ + if (ssh_get_num_identities(auth, version) > 0) + return ssh_get_next_identity(auth, comment, version); + return NULL; } Key * @@ -276,7 +283,7 @@ ssh_get_next_identity(AuthenticationConnection *auth, char **comment, int versio */ switch(version){ case 1: - key = key_new(KEY_RSA); + key = key_new(KEY_RSA1); bits = buffer_get_int(&auth->identities); buffer_get_bignum(&auth->identities, key->rsa->e); buffer_get_bignum(&auth->identities, key->rsa->n); @@ -288,7 +295,7 @@ ssh_get_next_identity(AuthenticationConnection *auth, char **comment, int versio case 2: blob = buffer_get_string(&auth->identities, &blen); *comment = buffer_get_string(&auth->identities, NULL); - key = dsa_key_from_blob(blob, blen); + key = key_from_blob(blob, blen); xfree(blob); break; default: @@ -320,7 +327,7 @@ ssh_decrypt_challenge(AuthenticationConnection *auth, int i; int type; - if (key->type != KEY_RSA) + if (key->type != KEY_RSA1) return 0; if (response_type == 0) { log("Compatibility with ssh protocol version 1.0 no longer supported."); @@ -372,7 +379,7 @@ ssh_agent_sign(AuthenticationConnection *auth, int type, flags = 0; int ret = -1; - if (dsa_make_key_blob(key, &blob, &blen) == 0) + if (key_to_blob(key, &blob, &blen) == 0) return -1; if (datafellows & SSH_BUG_SIGBLOB) @@ -405,7 +412,7 @@ ssh_agent_sign(AuthenticationConnection *auth, /* Encode key for a message to the agent. */ void -ssh_encode_identity_rsa(Buffer *b, RSA *key, const char *comment) +ssh_encode_identity_rsa1(Buffer *b, RSA *key, const char *comment) { buffer_clear(b); buffer_put_char(b, SSH_AGENTC_ADD_RSA_IDENTITY); @@ -421,17 +428,29 @@ ssh_encode_identity_rsa(Buffer *b, RSA *key, const char *comment) } void -ssh_encode_identity_dsa(Buffer *b, DSA *key, const char *comment) +ssh_encode_identity_ssh2(Buffer *b, Key *key, const char *comment) { buffer_clear(b); buffer_put_char(b, SSH2_AGENTC_ADD_IDENTITY); - buffer_put_cstring(b, KEX_DSS); - buffer_put_bignum2(b, key->p); - buffer_put_bignum2(b, key->q); - buffer_put_bignum2(b, key->g); - buffer_put_bignum2(b, key->pub_key); - buffer_put_bignum2(b, key->priv_key); - buffer_put_string(b, comment, strlen(comment)); + buffer_put_cstring(b, key_ssh_name(key)); + switch(key->type){ + case KEY_RSA: + buffer_put_bignum2(b, key->rsa->n); + buffer_put_bignum2(b, key->rsa->e); + buffer_put_bignum2(b, key->rsa->d); + buffer_put_bignum2(b, key->rsa->iqmp); + buffer_put_bignum2(b, key->rsa->p); + buffer_put_bignum2(b, key->rsa->q); + break; + case KEY_DSA: + buffer_put_bignum2(b, key->dsa->p); + buffer_put_bignum2(b, key->dsa->q); + buffer_put_bignum2(b, key->dsa->g); + buffer_put_bignum2(b, key->dsa->pub_key); + buffer_put_bignum2(b, key->dsa->priv_key); + break; + } + buffer_put_cstring(b, comment); } /* @@ -448,11 +467,12 @@ ssh_add_identity(AuthenticationConnection *auth, Key *key, const char *comment) buffer_init(&msg); switch (key->type) { - case KEY_RSA: - ssh_encode_identity_rsa(&msg, key->rsa, comment); + case KEY_RSA1: + ssh_encode_identity_rsa1(&msg, key->rsa, comment); break; + case KEY_RSA: case KEY_DSA: - ssh_encode_identity_dsa(&msg, key->dsa, comment); + ssh_encode_identity_ssh2(&msg, key, comment); break; default: buffer_free(&msg); @@ -483,13 +503,13 @@ ssh_remove_identity(AuthenticationConnection *auth, Key *key) buffer_init(&msg); - if (key->type == KEY_RSA) { + if (key->type == KEY_RSA1) { buffer_put_char(&msg, SSH_AGENTC_REMOVE_RSA_IDENTITY); buffer_put_int(&msg, BN_num_bits(key->rsa->n)); buffer_put_bignum(&msg, key->rsa->e); buffer_put_bignum(&msg, key->rsa->n); - } else if (key->type == KEY_DSA) { - dsa_make_key_blob(key, &blob, &blen); + } else if (key->type == KEY_DSA || key->type == KEY_RSA) { + key_to_blob(key, &blob, &blen); buffer_put_char(&msg, SSH2_AGENTC_REMOVE_IDENTITY); buffer_put_string(&msg, blob, blen); xfree(blob); |