/*
- * Copyright (c) 1988, 1993
- * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 THE REGENTS 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 THE REGENTS 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.
- *
- * $Id$
- */
+** Portions of this code are Copyright (c) 1988, 1993
+** The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
+** must display the following acknowledgement:
+** This product includes software developed by the University of
+** California, Berkeley and its contributors.
+** 4. Neither the name of the University 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 THE REGENTS 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 THE REGENTS 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 <stdio.h>
-#include <stdlib.h> /* for calloc() */
#include <termios.h>
-#include <unistd.h> /* for ttyname() */
+#include <unistd.h> /* for isatty() */
#include "h/mh.h" /* for adios() */
-#define PASSWORD_LEN 128
+/*
+** We don't use MAX_PASS here because the maximum password length on a remote
+** POP daemon will have nothing to do with the length on our OS. 256 is
+** arbitrary but hopefully big enough to accomodate everyone.
+*/
+#define MAX_PASSWORD_LEN 256
#ifndef TCSANOW
-#define TCSANOW 0
+# define TCSANOW 0
#endif
char *
-getpass(const char *prompt)
+nmh_getpass(const char *prompt)
{
- struct termios oterm, term;
- int ch;
- char *p, *ttystring, *buf;
- FILE *fout, *fin;
-
- if(!(buf = (char *)calloc((size_t)(PASSWORD_LEN+1), sizeof(char))))
- adios(NULL, "unable to allocate string storage");
+ struct termios oterm, term;
+ int ch;
+ char *p;
+ FILE *fout, *fin;
+ static char buf[MAX_PASSWORD_LEN + 1];
+ int istty = isatty(fileno(stdin));
- /* Find if stdin is connect to a terminal. If so, read directly from
- * the terminal, and turn off echo. Otherwise read from stdin.
- */
+ /*
+ ** Find if stdin is connect to a terminal. If so, read directly from
+ ** the terminal, and turn off echo. Otherwise read from stdin.
+ */
- if((ttystring = (char *)ttyname(fileno(stdin))) == NULL) {
- fout = stderr;
- fin = stdin;
- }
- else /* Reading directly from terminal here */
- {
- fout = fin = fopen(ttystring, "w+");
- (void)tcgetattr(fileno(fin), &oterm);
- term = oterm; /* Save original info */
- term.c_lflag &= ~ECHO;
- (void)fputs(prompt, fout);
- rewind(fout); /* implied flush */
- (void)tcsetattr(fileno(fin), TCSANOW, &term);
- }
+ if (!istty || !(fout = fin = fopen("/dev/tty", "w+"))) {
+ fout = stderr;
+ fin = stdin;
+ } else { /* Reading directly from terminal here */
+ tcgetattr(fileno(fin), &oterm);
+ term = oterm; /* Save original info */
+ term.c_lflag &= ~ECHO;
+ fputs(prompt, fout);
+ rewind(fout); /* implied flush */
+ tcsetattr(fileno(fin), TCSANOW, &term);
+ }
- for (p = buf; (ch = getc(fin)) != EOF && ch != '\n';)
- if (p < buf + PASSWORD_LEN)
- *p++ = ch;
- *p = '\0';
+ for (p = buf; (ch = getc(fin)) != EOF && ch != '\n' &&
+ p < buf + MAX_PASSWORD_LEN;)
+ *p++ = ch;
+ *p = '\0';
- if(ttystring != NULL) {
- (void)tcsetattr(fileno(fin), TCSANOW, &oterm);
- rewind(fout);
- (void)fputc('\n', fout);
- (void)fclose(fin);
- }
- return((char *)buf);
+ if (istty) {
+ tcsetattr(fileno(fin), TCSANOW, &oterm);
+ rewind(fout);
+ fputc('\n', fout);
+ fclose(fin);
+ }
+ return buf;
}