X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fcontext.c;h=8c6c51a1cb13fff1282b4d5b716ee95af8935a73;hb=d3439d1bc968e5b5c99a4845a563ab8df8678bce;hp=86bf5c0d9a199b67cd2617158243fc048d226e44;hpb=1baa8da70fac262b47eacef1aad2f3e244184d82;p=citadel.git

diff --git a/citadel/context.c b/citadel/context.c
index 86bf5c0d9..8c6c51a1c 100644
--- a/citadel/context.c
+++ b/citadel/context.c
@@ -535,6 +535,99 @@ CitContext *CtdlGetContextArray(int *count)
 
 
 
+/*
+ * Back-end function for starting a session
+ */
+void begin_session(CitContext *con)
+{
+	/* 
+	 * Initialize some variables specific to our context.
+	 */
+	con->logged_in = 0;
+	con->internal_pgm = 0;
+	con->download_fp = NULL;
+	con->upload_fp = NULL;
+	con->cached_msglist = NULL;
+	con->cached_num_msgs = 0;
+	con->FirstExpressMessage = NULL;
+	time(&con->lastcmd);
+	time(&con->lastidle);
+	strcpy(con->lastcmdname, "    ");
+	strcpy(con->cs_clientname, "(unknown)");
+	strcpy(con->curr_user, NLI);
+	*con->net_node = '\0';
+	*con->fake_username = '\0';
+	*con->fake_hostname = '\0';
+	*con->fake_roomname = '\0';
+	*con->cs_clientinfo = '\0';
+	safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
+	safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
+	con->cs_UDSclientUID = -1;
+	con->cs_host[sizeof con->cs_host - 1] = 0;
+	if (!CC->is_local_socket) {
+		locate_host(con->cs_host, sizeof con->cs_host,
+			con->cs_addr, sizeof con->cs_addr,
+			con->client_socket
+		);
+	}
+	else {
+		con->cs_host[0] = 0;
+		con->cs_addr[0] = 0;
+#ifdef HAVE_STRUCT_UCRED
+		{
+			/* as http://www.wsinnovations.com/softeng/articles/uds.html told us... */
+			struct ucred credentials;
+			socklen_t ucred_length = sizeof(struct ucred);
+			
+			/*fill in the user data structure */
+			if(getsockopt(con->client_socket, SOL_SOCKET, SO_PEERCRED, &credentials, &ucred_length)) {
+				syslog(LOG_NOTICE, "could obtain credentials from unix domain socket");
+				
+			}
+			else {		
+				/* the process ID of the process on the other side of the socket */
+				/* credentials.pid; */
+				
+				/* the effective UID of the process on the other side of the socket  */
+				con->cs_UDSclientUID = credentials.uid;
+				
+				/* the effective primary GID of the process on the other side of the socket */
+				/* credentials.gid; */
+				
+				/* To get supplemental groups, we will have to look them up in our account
+				   database, after a reverse lookup on the UID to get the account name.
+				   We can take this opportunity to check to see if this is a legit account.
+				*/
+				snprintf(con->cs_clientinfo, sizeof(con->cs_clientinfo),
+					 "PID: "F_PID_T"; UID: "F_UID_T"; GID: "F_XPID_T" ", 
+					 credentials.pid,
+					 credentials.uid,
+					 credentials.gid);
+			}
+		}
+#endif
+	}
+	con->cs_flags = 0;
+	con->upload_type = UPL_FILE;
+	con->dl_is_net = 0;
+
+	con->nologin = 0;
+	if (((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions)) || CtdlWantSingleUser()) {
+		con->nologin = 1;
+	}
+
+	if (!CC->is_local_socket) {
+		syslog(LOG_NOTICE, "Session (%s) started from %s (%s).\n", con->ServiceName, con->cs_host, con->cs_addr);
+	}
+	else {
+		syslog(LOG_NOTICE, "Session (%s) started via local socket UID:%d.\n", con->ServiceName, con->cs_UDSclientUID);
+	}
+
+	/* Run any session startup routines registered by loadable modules */
+	PerformSessionHooks(EVT_START);
+}
+
+
 /*
  * This function fills in a context and its user field correctly
  * Then creates/loads that user