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-rw-r--r--package/ead/src/tinysrp/t_getpass.c191
1 files changed, 191 insertions, 0 deletions
diff --git a/package/ead/src/tinysrp/t_getpass.c b/package/ead/src/tinysrp/t_getpass.c
new file mode 100644
index 0000000000..6ae7fca4de
--- /dev/null
+++ b/package/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;
+}