1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* Samba Unix/Linux SMB client library
*
* Copyright (C) Gregor Beck 2011
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @brief Functions to interact with an user.
* @author Gregor Beck <gb@sernet.de>
* @date Aug 2011
*
*/
#include "includes.h"
#include "interact.h"
#include <termios.h>
static const char* get_editor(void) {
static const char* editor = NULL;
if (editor == NULL) {
editor = getenv("VISUAL");
if (editor == NULL) {
editor = getenv("EDITOR");
}
if (editor == NULL) {
editor = "vi";
}
}
return editor;
}
int interact_prompt(const char* msg, const char* acc, char def) {
struct termios old_tio, new_tio;
int c;
tcgetattr(STDIN_FILENO, &old_tio);
new_tio=old_tio;
new_tio.c_lflag &=(~ICANON & ~ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &new_tio);
do {
d_printf("%s? [%c]\n", msg, def);
fflush(stdout);
c = getchar();
if (c == '\n') {
c = def;
break;
}
else if (strchr(acc, tolower(c)) != NULL) {
break;
}
d_printf("Invalid input '%c'\n", c);
} while(c != EOF);
tcsetattr(STDIN_FILENO, TCSANOW, &old_tio);
return c;
}
char* interact_edit(TALLOC_CTX* mem_ctx, const char* str) {
char fname[] = "/tmp/net_idmap_check.XXXXXX";
char buf[128];
char* ret = NULL;
FILE* file;
int fd = mkstemp(fname);
if (fd == -1) {
DEBUG(0, ("failed to mkstemp %s: %s\n", fname,
strerror(errno)));
return NULL;
}
file = fdopen(fd, "w");
if (!file) {
DEBUG(0, ("failed to open %s for writing: %s\n", fname,
strerror(errno)));
close(fd);
unlink(fname);
return NULL;
}
fprintf(file, "%s", str);
fclose(file);
snprintf(buf, sizeof(buf), "%s %s\n", get_editor(), fname);
if (system(buf) != 0) {
DEBUG(0, ("failed to start editor %s: %s\n", buf,
strerror(errno)));
unlink(fname);
return NULL;
}
file = fopen(fname, "r");
if (!file) {
DEBUG(0, ("failed to open %s for reading: %s\n", fname,
strerror(errno)));
unlink(fname);
return NULL;
}
while ( fgets(buf, sizeof(buf), file) ) {
ret = talloc_strdup_append(ret, buf);
}
fclose(file);
unlink(fname);
return talloc_steal(mem_ctx, ret);
}
/*Local Variables:*/
/*mode: c*/
/*End:*/
|
