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authorHeimdal Import User <samba-bugs@samba.org>2005-07-11 01:16:55 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:19:33 -0500
commit954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9 (patch)
treefc11a048c8a582e2ca66415ff04dacf74f9abf22 /source4/heimdal/lib/des/ui.c
parent7ead5ab06cea9f33e954a4579163262f97ea06ff (diff)
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r8302: import mini HEIMDAL into the tree
(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)
Diffstat (limited to 'source4/heimdal/lib/des/ui.c')
-rw-r--r--source4/heimdal/lib/des/ui.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/source4/heimdal/lib/des/ui.c b/source4/heimdal/lib/des/ui.c
new file mode 100644
index 0000000000..92538735c4
--- /dev/null
+++ b/source4/heimdal/lib/des/ui.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 1997 - 2000, 2005 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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 the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id: ui.c,v 1.4 2005/04/30 14:10:18 lha Exp $");
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <termios.h>
+#include <roken.h>
+
+#include <des.h>
+
+static sig_atomic_t intr_flag;
+
+static void
+intr(int sig)
+{
+ intr_flag++;
+}
+
+static int
+read_string(const char *preprompt, const char *prompt,
+ char *buf, size_t len, int echo)
+{
+ struct sigaction sigs[47];
+ struct sigaction sa;
+ FILE *tty;
+ int ret = 0;
+ int of = 0;
+ int i;
+ int c;
+ char *p;
+
+ struct termios t_new, t_old;
+
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_handler = intr;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+ for(i = 0; i < sizeof(sigs) / sizeof(sigs[0]); i++)
+ if (i != SIGALRM) sigaction(i, &sa, &sigs[i]);
+
+ if((tty = fopen("/dev/tty", "r")) == NULL)
+ tty = stdin;
+
+ fprintf(stderr, "%s%s", preprompt, prompt);
+ fflush(stderr);
+
+ if(echo == 0){
+ tcgetattr(fileno(tty), &t_old);
+ memcpy(&t_new, &t_old, sizeof(t_new));
+ t_new.c_lflag &= ~ECHO;
+ tcsetattr(fileno(tty), TCSANOW, &t_new);
+ }
+ intr_flag = 0;
+ p = buf;
+ while(intr_flag == 0){
+ c = getc(tty);
+ if(c == EOF){
+ if(!ferror(tty))
+ ret = 1;
+ break;
+ }
+ if(c == '\n')
+ break;
+ if(of == 0)
+ *p++ = c;
+ of = (p == buf + len);
+ }
+ if(of)
+ p--;
+ *p = 0;
+
+ if(echo == 0){
+ printf("\n");
+ tcsetattr(fileno(tty), TCSANOW, &t_old);
+ }
+
+ if(tty != stdin)
+ fclose(tty);
+
+ for(i = 0; i < sizeof(sigs) / sizeof(sigs[0]); i++)
+ if (i != SIGALRM) sigaction(i, &sigs[i], NULL);
+
+ if(ret)
+ return -3;
+ if(intr_flag)
+ return -2;
+ if(of)
+ return -1;
+ return 0;
+}
+
+int
+UI_UTIL_read_pw_string(char *buf, int length, const char *prompt, int verify)
+{
+ int ret;
+
+ ret = read_string("", prompt, buf, length, 0);
+ if (ret)
+ return ret;
+
+ if (verify) {
+ char *buf2;
+ buf2 = malloc(length);
+ if (buf2 == NULL)
+ return 1;
+
+ ret = read_string("Verify password - ", prompt, buf2, length, 0);
+ if (ret) {
+ free(buf2);
+ return ret;
+ }
+ if (strcmp(buf2, buf) != 0)
+ ret = 1;
+ free(buf2);
+ }
+ return ret;
+}