packages: sort network related packages into package/network/

[openwrt/staging/jogo.git] / package / network / services / ead / src / tinysrp / t_getpass.c

diff --git a/package/network/services/ead/src/tinysrp/t_getpass.c b/package/network/services/ead/src/tinysrp/t_getpass.c
new file mode 100644 (file)
index 0000000..6ae7fca
--- /dev/null
+++ b/package/network/services/ead/src/tinysrp/t_getpass.c
@@ -0,0 +1,191 @@
+/*
+ * Copyright 1990 - 1995, Julianne Frances Haugh
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Julianne F. Haugh nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "t_defines.h"
+#ifdef _WIN32
+#include <windows.h>
+#include <io.h>
+#endif /* _WIN32 */
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#include <signal.h>
+#include <stdio.h>
+
+static  int     sig_caught;
+#ifdef HAVE_SIGACTION
+static  struct  sigaction sigact;
+#endif
+
+/*ARGSUSED*/
+static RETSIGTYPE
+sig_catch (sig)
+int     sig;
+{
+       sig_caught = 1;
+}
+
+_TYPE( int )
+t_getpass (buf, maxlen, prompt)
+       char *buf;
+       unsigned maxlen;
+       const char *prompt;
+{
+       char    *cp;
+#ifdef _WIN32
+    HANDLE handle = (HANDLE) _get_osfhandle(_fileno(stdin));
+    DWORD  mode;
+
+    GetConsoleMode( handle, &mode );
+    SetConsoleMode( handle, mode & ~ENABLE_ECHO_INPUT );
+
+    if(fputs(prompt, stdout) == EOF ||
+       fgets(buf, maxlen, stdin) == NULL) {
+       SetConsoleMode(handle,mode);
+       return -1;
+    }
+    cp = buf + strlen(buf) - 1;
+    if ( *cp == 0x0a )
+       *cp = '\0';
+    printf("\n");
+    SetConsoleMode(handle,mode);
+#else
+       FILE    *fp;
+       int     tty_opened = 0;
+
+#ifdef HAVE_SIGACTION
+       struct  sigaction old_sigact;
+#else
+       RETSIGTYPE      (*old_signal)();
+#endif
+       TERMIO  new_modes;
+       TERMIO  old_modes;
+
+       /*
+        * set a flag so the SIGINT signal can be re-sent if it
+        * is caught
+        */
+
+       sig_caught = 0;
+
+       /*
+        * if /dev/tty can't be opened, getpass() needs to read
+        * from stdin instead.
+        */
+
+       if ((fp = fopen ("/dev/tty", "r")) == 0) {
+               fp = stdin;
+               setbuf (fp, (char *) 0);
+       } else {
+               tty_opened = 1;
+       }
+
+       /*
+        * the current tty modes must be saved so they can be
+        * restored later on.  echo will be turned off, except
+        * for the newline character (BSD has to punt on this)
+        */
+
+       if (GTTY (fileno (fp), &new_modes))
+               return -1;
+
+       old_modes = new_modes;
+
+#ifdef HAVE_SIGACTION
+       sigact.sa_handler = sig_catch;
+       (void) sigaction (SIGINT, &sigact, &old_sigact);
+#else
+       old_signal = signal (SIGINT, sig_catch);
+#endif
+
+#ifdef USE_SGTTY
+       new_modes.sg_flags &= ~ECHO;
+#else
+       new_modes.c_iflag &= ~IGNCR;
+       new_modes.c_iflag |= ICRNL;
+       new_modes.c_oflag |= OPOST|ONLCR;
+       new_modes.c_lflag &= ~(ECHO|ECHOE|ECHOK);
+       new_modes.c_lflag |= ICANON|ECHONL;
+#endif
+
+       if (STTY (fileno (fp), &new_modes))
+               goto out;
+
+       /*
+        * the prompt is output, and the response read without
+        * echoing.  the trailing newline must be removed.  if
+        * the fgets() returns an error, a NULL pointer is
+        * returned.
+        */
+
+       if (fputs (prompt, stdout) == EOF)
+               goto out;
+
+       (void) fflush (stdout);
+
+       if (fgets (buf, maxlen, fp) == buf) {
+               if ((cp = strchr (buf, '\n')))
+                       *cp = '\0';
+               else
+                       buf[maxlen - 1] = '\0';
+
+#ifdef USE_SGTTY
+               putc ('\n', stdout);
+#endif
+       }
+       else buf[0] = '\0';
+out:
+       /*
+        * the old SIGINT handler is restored after the tty
+        * modes.  then /dev/tty is closed if it was opened in
+        * the beginning.  finally, if a signal was caught it
+        * is sent to this process for normal processing.
+        */
+
+       if (STTY (fileno (fp), &old_modes))
+       { memset (buf, 0, maxlen); return -1; }
+
+#ifdef HAVE_SIGACTION
+       (void) sigaction (SIGINT, &old_sigact, NULL);
+#else
+       (void) signal (SIGINT, old_signal);
+#endif
+
+       if (tty_opened)
+               (void) fclose (fp);
+
+       if (sig_caught) {
+               kill (getpid (), SIGINT);
+               memset (buf, 0, maxlen);
+               return -1;
+       }
+#endif
+
+       return 0;
+}