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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/* posix-util.c - Utility functions for Posix
Copyright (C) 2001 Werner Koch (dd9jn)
Copyright (C) 2001, 2002, 2004 g10 Code GmbH
This file is part of GPGME.
GPGME is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
GPGME 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "util.h"
#include "sys-util.h"
#include "debug.h"
/* These variables store the malloced name of alternative default
binaries. The are set only once by gpgme_set_global_flag. */
static char *default_gpg_name;
static char *default_gpgconf_name;
/* Set the default name for the gpg binary. This function may only be
called by gpgme_set_global_flag. Returns 0 on success. Leading
directories are removed from NAME. */
int
_gpgme_set_default_gpg_name (const char *name)
{
const char *s;
s = strrchr (name, '/');
if (s)
name = s + 1;
if (!default_gpg_name)
default_gpg_name = strdup (name);
return !default_gpg_name;
}
/* Set the default name for the gpgconf binary. This function may
only be called by gpgme_set_global_flag. Returns 0 on success.
Leading directories are removed from NAME. */
int
_gpgme_set_default_gpgconf_name (const char *name)
{
const char *s;
s = strrchr (name, '/');
if (s)
name = s + 1;
if (!default_gpgconf_name)
default_gpgconf_name = strdup (name);
return !default_gpgconf_name;
}
/* Dummy function - see w32-util.c for the actual code. */
int
_gpgme_set_override_inst_dir (const char *dir)
{
(void)dir;
return 0;
}
/* Find an executable program PGM along the envvar PATH. */
static char *
walk_path (const char *pgm)
{
const char *orig_path, *path, *s;
char *fname, *p;
#ifdef FIXED_SEARCH_PATH
orig_path = FIXED_SEARCH_PATH;
#else
orig_path = getenv ("PATH");
if (!orig_path)
orig_path = "/bin:/usr/bin";
#endif
fname = malloc (strlen (orig_path) + 1 + strlen (pgm) + 1);
if (!fname)
return NULL;
path = orig_path;
for (;;)
{
for (s=path, p=fname; *s && *s != ':'; s++, p++)
*p = *s;
if (p != fname && p[-1] != '/')
*p++ = '/';
strcpy (p, pgm);
if (!access (fname, X_OK))
return fname;
if (!*s)
break;
path = s + 1;
}
_gpgme_debug (DEBUG_ENGINE, "gpgme-walk_path: '%s' not found in '%s'",
pgm, orig_path);
free (fname);
return NULL;
}
/* Return the full file name of the GPG binary. This function is used
if gpgconf was not found and thus it can be assumed that gpg2 is
not installed. This function is only called by get_gpgconf_item
and may not be called concurrently. */
char *
_gpgme_get_gpg_path (void)
{
return walk_path (default_gpg_name? default_gpg_name : "gpg");
}
/* This function is only called by get_gpgconf_item and may not be
called concurrently. */
char *
_gpgme_get_gpgconf_path (void)
{
return walk_path (default_gpgconf_name? default_gpgconf_name : "gpgconf");
}
/* See w32-util.c */
int
_gpgme_get_conf_int (const char *key, int *value)
{
(void)key;
(void)value;
return 0;
}
void
_gpgme_allow_set_foreground_window (pid_t pid)
{
(void)pid;
/* Not needed. */
}
|
