mirror of
https://github.com/clearml/dropbear
synced 2025-01-31 10:57:01 +00:00
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
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#include "includes.h"
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#include "service.h"
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#include "dbutil.h"
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#include "packet.h"
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#include "buffer.h"
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#include "session.h"
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#include "ssh.h"
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void send_msg_service_request(char* servicename) {
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TRACE(("enter send_msg_service_request: servicename='%s'", servicename));
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CHECKCLEARTOWRITE();
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buf_putbyte(ses.payload, SSH_MSG_SERVICE_REQUEST);
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buf_putstring(ses.payload, servicename, strlen(servicename));
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encrypt_packet();
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TRACE(("leave send_msg_service_request"));
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}
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/* This just sets up the state variables right for the main client session loop
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* to deal with */
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void recv_msg_service_accept() {
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unsigned char* servicename;
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unsigned int len;
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TRACE(("enter recv_msg_service_accept"));
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servicename = buf_getstring(ses.payload, &len);
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/* ssh-userauth */
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if (cli_ses.state = SERVICE_AUTH_REQ_SENT
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&& len == SSH_SERVICE_USERAUTH_LEN
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&& strncmp(SSH_SERVICE_USERAUTH, servicename, len) == 0) {
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cli_ses.state = SERVICE_AUTH_ACCEPT_RCVD;
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m_free(servicename);
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TRACE(("leave recv_msg_service_accept: done ssh-userauth"));
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return;
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}
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/* ssh-connection */
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if (cli_ses.state = SERVICE_CONN_REQ_SENT
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&& len == SSH_SERVICE_CONNECTION_LEN
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&& strncmp(SSH_SERVICE_CONNECTION, servicename, len) == 0) {
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if (ses.authstate.authdone != 1) {
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dropbear_exit("request for connection before auth");
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}
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cli_ses.state = SERVICE_CONN_ACCEPT_RCVD;
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m_free(servicename);
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TRACE(("leave recv_msg_service_accept: done ssh-connection"));
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return;
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}
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dropbear_exit("unrecognised service accept");
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/* m_free(servicename); not reached */
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}
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