cleanup: remove unneeded includes.

[citadel.git] / citadel / context.c

diff --git a/citadel/context.c b/citadel/context.c
index 86bf5c0d9a199b67cd2617158243fc048d226e44..8c6c51a1cb13fff1282b4d5b716ee95af8935a73 100644 (file)
--- 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