/* this function only sends the predefined set of kex methods */ int ssh_send_kex(ssh_session session, int server_kex) { struct ssh_kex_struct *kex = (server_kex ? &session->next_crypto->server_kex : &session->next_crypto->client_kex); ssh_string str = NULL; int i; enter_function(); if (buffer_add_u8(session->out_buffer, SSH2_MSG_KEXINIT) < 0) { goto error; } if (buffer_add_data(session->out_buffer, kex->cookie, 16) < 0) { goto error; } if (hashbufout_add_cookie(session) < 0) { goto error; } ssh_list_kex(session, kex); for (i = 0; i < KEX_METHODS_SIZE; i++) { str = ssh_string_from_char(kex->methods[i]); if (str == NULL) { goto error; } if (buffer_add_ssh_string(session->out_hashbuf, str) < 0) { goto error; } if (buffer_add_ssh_string(session->out_buffer, str) < 0) { goto error; } ssh_string_free(str); } if (buffer_add_u8(session->out_buffer, 0) < 0) { goto error; } if (buffer_add_u32(session->out_buffer, 0) < 0) { goto error; } if (packet_send(session) == SSH_ERROR) { leave_function(); return -1; } leave_function(); return 0; error: buffer_reinit(session->out_buffer); buffer_reinit(session->out_hashbuf); ssh_string_free(str); leave_function(); return -1; }
/* this function only sends the predefined set of kex methods */ int ssh_send_kex(SSH_SESSION *session, int server_kex) { KEX *kex = (server_kex ? &session->server_kex : &session->client_kex); STRING *str = NULL; int i; enter_function(); if (buffer_add_u8(session->out_buffer, SSH2_MSG_KEXINIT) < 0) { goto error; } if (buffer_add_data(session->out_buffer, kex->cookie, 16) < 0) { goto error; } if (hashbufout_add_cookie(session) < 0) { goto error; } ssh_list_kex(session, kex); for (i = 0; i < 10; i++) { str = string_from_char(kex->methods[i]); if (str == NULL) { goto error; } if (buffer_add_ssh_string(session->out_hashbuf, str) < 0) { goto error; } if (buffer_add_ssh_string(session->out_buffer, str) < 0) { goto error; } string_free(str); } if (buffer_add_u8(session->out_buffer, 0) < 0) { goto error; } if (buffer_add_u32(session->out_buffer, 0) < 0) { goto error; } if (packet_send(session) != SSH_OK) { leave_function(); return -1; } leave_function(); return 0; error: buffer_free(session->out_buffer); buffer_free(session->out_hashbuf); string_free(str); leave_function(); return -1; }
/* this function only sends the predefined set of kex methods */ int ssh_send_kex(ssh_session session, int server_kex) { struct ssh_kex_struct *kex = (server_kex ? &session->next_crypto->server_kex : &session->next_crypto->client_kex); ssh_string str = NULL; int i; int rc; rc = ssh_buffer_pack(session->out_buffer, "bP", SSH2_MSG_KEXINIT, 16, kex->cookie); /* cookie */ if (rc != SSH_OK) goto error; if (hashbufout_add_cookie(session) < 0) { goto error; } ssh_list_kex(kex); for (i = 0; i < KEX_METHODS_SIZE; i++) { str = ssh_string_from_char(kex->methods[i]); if (str == NULL) { goto error; } if (buffer_add_ssh_string(session->out_hashbuf, str) < 0) { goto error; } if (buffer_add_ssh_string(session->out_buffer, str) < 0) { goto error; } ssh_string_free(str); str = NULL; } rc = ssh_buffer_pack(session->out_buffer, "bd", 0, 0); if (rc != SSH_OK) { goto error; } if (packet_send(session) == SSH_ERROR) { return -1; } return 0; error: ssh_buffer_reinit(session->out_buffer); ssh_buffer_reinit(session->out_hashbuf); ssh_string_free(str); return -1; }
/* this function only sends the predefined set of kex methods */ void ssh_send_kex(SSH_SESSION *session, int server_kex){ STRING *str; int i=0; KEX *kex=(server_kex ? &session->server_kex : &session->client_kex); packet_clear_out(session); buffer_add_u8(session->out_buffer,SSH2_MSG_KEXINIT); buffer_add_data(session->out_buffer,kex->cookie,16); hashbufout_add_cookie(session); ssh_list_kex(kex); for(i=0;i<10;i++){ str=string_from_char(kex->methods[i]); buffer_add_ssh_string(session->out_hashbuf,str); buffer_add_ssh_string(session->out_buffer,str); free(str); } i=0; buffer_add_u8(session->out_buffer,0); buffer_add_u32(session->out_buffer,0); packet_send(session); }