X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/c66f9d0ea43292c52ea625f0c7c7f2da845c9394..23aa123701299d88160cdd67e871a2244082afa6:/kexgex.c diff --git a/kexgex.c b/kexgex.c index 06ed8e5a..2d4a5815 100644 --- a/kexgex.c +++ b/kexgex.c @@ -24,7 +24,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: kexgex.c,v 1.19 2002/02/24 19:14:59 markus Exp $"); +RCSID("$OpenBSD: kexgex.c,v 1.22 2002/03/24 17:27:03 stevesk Exp $"); #include @@ -38,6 +38,7 @@ RCSID("$OpenBSD: kexgex.c,v 1.19 2002/02/24 19:14:59 markus Exp $"); #include "dh.h" #include "ssh2.h" #include "compat.h" +#include "monitor_wrap.h" static u_char * kexgex_hash( @@ -53,7 +54,7 @@ kexgex_hash( { Buffer b; static u_char digest[EVP_MAX_MD_SIZE]; - EVP_MD *evp_md = EVP_sha1(); + const EVP_MD *evp_md = EVP_sha1(); EVP_MD_CTX md; buffer_init(&b); @@ -259,7 +260,7 @@ kexgex_server(Kex *kex) { BIGNUM *shared_secret = NULL, *dh_client_pub = NULL; Key *server_host_key; - DH *dh = dh; + DH *dh; u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; u_int sbloblen, klen, kout, slen; int min = -1, max = -1, nbits = -1, type; @@ -296,7 +297,8 @@ kexgex_server(Kex *kex) fatal("DH_GEX_REQUEST, bad parameters: %d !< %d !< %d", min, nbits, max); - dh = choose_dh(min, nbits, max); + /* Contact privileged parent */ + dh = PRIVSEP(choose_dh(min, nbits, max)); if (dh == NULL) packet_disconnect("Protocol error: no matching DH grp found"); @@ -379,7 +381,7 @@ kexgex_server(Kex *kex) /* sign H */ /* XXX hashlen depends on KEX */ - key_sign(server_host_key, &signature, &slen, hash, 20); + PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, 20)); /* destroy_sensitive_data(); */ @@ -390,6 +392,7 @@ kexgex_server(Kex *kex) packet_put_bignum2(dh->pub_key); /* f */ packet_put_string(signature, slen); packet_send(); + xfree(signature); xfree(server_host_key_blob); /* have keys, free DH */