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authorJoel Sherrill <joel.sherrill@OARcorp.com>2001-05-24 21:58:39 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2001-05-24 21:58:39 +0000
commitb2712e35b948d7ab37cf6ef46bcdfea678506444 (patch)
treee7575dbae5f5861131ac9cf03cdea1bfc7447269 /c/src/libnetworking/rtems_servers/telnetd.c
parent2000-05-24 Fernando Ruiz Casas <fernando.ruiz@ctv.es> (diff)
downloadrtems-b2712e35b948d7ab37cf6ef46bcdfea678506444.tar.bz2
2000-05-24 Fernando Ruiz Casas <fernando.ruiz@ctv.es>
* monitor/mon-prmisc.c: Correct print line. * shell/Makefile.am: Added new file telnetd.c. * shell/telnetd.c, shell/telnetd.h, shell/pty.c: New files. * shell/shell.c, shell/cmds.c, shell/shell.h: Numerous improvments: - The shell_init has a new parameter 'forever' because in /dev/console you need that this process runs forever but in tcp/ip not. (respawn?) - A new task for every session opened trought tcp/ip telnet client. (the chargen,daytime and more are possible of implementation but I ask me if they are necesary) - Exit from the session delete the task and when the client fails too. - More cmds have been implemented. (very reduced version of these) umask, chmod, id, whoami, rm, cat, ... - A reduced line edit has been implemented. Ctrl-C abort the input, Ctrl-d in the first position gives EOF (logout). '\b' and DEL makes the rubout operation. I think that readline() for every session spents a lot of resources.
Diffstat (limited to '')
-rw-r--r--c/src/libnetworking/rtems_servers/telnetd.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/c/src/libnetworking/rtems_servers/telnetd.c b/c/src/libnetworking/rtems_servers/telnetd.c
new file mode 100644
index 0000000000..6a643f7d25
--- /dev/null
+++ b/c/src/libnetworking/rtems_servers/telnetd.c
@@ -0,0 +1,107 @@
+/*
+ * $Id$
+ */
+
+#include <rtems.h>
+#include <rtems/error.h>
+#include <rtems/shell.h>
+#include <rtems/telnetd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+/***********************************************************/
+rtems_id telnetd_task_id =0;
+rtems_unsigned32 telnetd_stack_size =16384;
+rtems_task_priority telnetd_task_priority=100;
+/***********************************************************/
+rtems_task rtems_task_telnetd(rtems_task_argument task_argument) {
+ int des_socket,
+ acp_socket;
+ struct sockaddr_in srv;
+ char * devname;
+ int i=1;
+ int size_adr;
+ if ((des_socket=socket(PF_INET,SOCK_STREAM,0))<0) {
+ perror("socket");
+ rtems_task_delete(RTEMS_SELF);
+ };
+ setsockopt(des_socket,SOL_SOCKET,0,&i,sizeof(i));
+ memset(&srv,0,sizeof(srv));
+ srv.sin_family=AF_INET;
+ srv.sin_port=htons(23);
+ size_adr=sizeof(srv);
+ if ((bind(des_socket,(struct sockaddr *)&srv,size_adr))<0) {
+ perror("bind");
+ close(des_socket);
+ rtems_task_delete(RTEMS_SELF);
+ };
+ if ((listen(des_socket,5))<0) {
+ perror("listen");
+ close(des_socket);
+ rtems_task_delete(RTEMS_SELF);
+ };
+ do {
+ acp_socket=accept(des_socket,(struct sockaddr*)&srv,&size_adr);
+ if (acp_socket<0) {
+ perror("accept");
+ break;
+ };
+ if (devname = get_pty(acp_socket) ) {
+ shell_init(&devname[5],
+ telnetd_stack_size,
+ telnetd_task_priority,
+ devname,B9600|CS8,FALSE);
+ } else {
+ close(acp_socket);
+ };
+ } while(1);
+ close(des_socket);
+ rtems_task_delete(RTEMS_SELF);
+}
+/***********************************************************/
+int rtems_initialize_telnetd(void) {
+ rtems_status_code sc;
+ if (telnetd_task_id ) return RTEMS_RESOURCE_IN_USE;
+ if (telnetd_stack_size<=0 ) telnetd_stack_size =16384;
+ if (telnetd_task_priority<=2) telnetd_task_priority=100;
+ sc=rtems_task_create(new_rtems_name("TLND"),
+ 100,RTEMS_MINIMUM_STACK_SIZE,
+ RTEMS_DEFAULT_MODES,
+ RTEMS_DEFAULT_ATTRIBUTES,
+ &telnetd_task_id);
+ if (sc!=RTEMS_SUCCESSFUL) {
+ rtems_error(sc,"creating task telnetd");
+ return (int)sc;
+ };
+ sc=rtems_task_start(telnetd_task_id,
+ rtems_task_telnetd,
+ (rtems_task_argument)NULL);
+ if (sc!=RTEMS_SUCCESSFUL) {
+ rtems_error(sc,"starting task telnetd");
+ };
+ return (int)sc;
+}
+/***********************************************************/
+int main_telnetd(int argc,char * argv[]) {
+ rtems_status_code sc;
+ if (telnetd_task_id) {
+ printf("ERROR:telnetd already started\n");
+ return 1;
+ };
+ if (argc>1) telnetd_stack_size =str2int(argv[1]);
+ if (argc>2) telnetd_task_priority=str2int(argv[2]);
+ sc=rtems_initialize_telnetd();
+ if (sc!=RTEMS_SUCCESSFUL) return sc;
+ printf("rtems_telnetd() started with stacksize=%u,priority=%d\n",
+ telnetd_stack_size,telnetd_task_priority);
+ return 0;
+}
+/***********************************************************/
+int register_telnetd(void) {
+ shell_add_cmd("telnetd","telnet","telnetd [stacksize [tsk_priority]]",main_telnetd);
+ return 0;
+}
+/***********************************************************/