summaryrefslogtreecommitdiff
path: root/src/settings.c
blob: 971b50935172342bf87184669aca76bc528db63b (plain)
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
159
160
161
162
/*
 * Copyright (C) the libgit2 contributors. All rights reserved.
 *
 * This file is part of libgit2, distributed under the GNU GPL v2 with
 * a Linking Exception. For full terms see the included COPYING file.
 */

#ifdef GIT_SSL
# include <openssl/err.h>
#endif

#include <git2.h>
#include "common.h"
#include "sysdir.h"
#include "cache.h"
#include "global.h"

void git_libgit2_version(int *major, int *minor, int *rev)
{
	*major = LIBGIT2_VER_MAJOR;
	*minor = LIBGIT2_VER_MINOR;
	*rev = LIBGIT2_VER_REVISION;
}

int git_libgit2_features()
{
	return 0
#ifdef GIT_THREADS
		| GIT_FEATURE_THREADS
#endif
#if defined(GIT_SSL) || defined(GIT_WINHTTP)
		| GIT_FEATURE_HTTPS
#endif
#if defined(GIT_SSH)
		| GIT_FEATURE_SSH
#endif
	;
}

/* Declarations for tuneable settings */
extern size_t git_mwindow__window_size;
extern size_t git_mwindow__mapped_limit;

static int config_level_to_sysdir(int config_level)
{
	int val = -1;

	switch (config_level) {
	case GIT_CONFIG_LEVEL_SYSTEM: val = GIT_SYSDIR_SYSTEM; break;
	case GIT_CONFIG_LEVEL_XDG:    val = GIT_SYSDIR_XDG; break;
	case GIT_CONFIG_LEVEL_GLOBAL: val = GIT_SYSDIR_GLOBAL; break;
	default:
		giterr_set(
			GITERR_INVALID, "Invalid config path selector %d", config_level);
	}

	return val;
}

int git_libgit2_opts(int key, ...)
{
	int error = 0;
	va_list ap;

	va_start(ap, key);

	switch (key) {
	case GIT_OPT_SET_MWINDOW_SIZE:
		git_mwindow__window_size = va_arg(ap, size_t);
		break;

	case GIT_OPT_GET_MWINDOW_SIZE:
		*(va_arg(ap, size_t *)) = git_mwindow__window_size;
		break;

	case GIT_OPT_SET_MWINDOW_MAPPED_LIMIT:
		git_mwindow__mapped_limit = va_arg(ap, size_t);
		break;

	case GIT_OPT_GET_MWINDOW_MAPPED_LIMIT:
		*(va_arg(ap, size_t *)) = git_mwindow__mapped_limit;
		break;

	case GIT_OPT_GET_SEARCH_PATH:
		if ((error = config_level_to_sysdir(va_arg(ap, int))) >= 0) {
			git_buf *out = va_arg(ap, git_buf *);
			const git_buf *tmp;

			git_buf_sanitize(out);
			if ((error = git_sysdir_get(&tmp, error)) < 0)
				break;

			error = git_buf_sets(out, tmp->ptr);
		}
		break;

	case GIT_OPT_SET_SEARCH_PATH:
		if ((error = config_level_to_sysdir(va_arg(ap, int))) >= 0)
			error = git_sysdir_set(error, va_arg(ap, const char *));
		break;

	case GIT_OPT_SET_CACHE_OBJECT_LIMIT:
		{
			git_otype type = (git_otype)va_arg(ap, int);
			size_t size = va_arg(ap, size_t);
			error = git_cache_set_max_object_size(type, size);
			break;
		}

	case GIT_OPT_SET_CACHE_MAX_SIZE:
		git_cache__max_storage = va_arg(ap, ssize_t);
		break;

	case GIT_OPT_ENABLE_CACHING:
		git_cache__enabled = (va_arg(ap, int) != 0);
		break;

	case GIT_OPT_GET_CACHED_MEMORY:
		*(va_arg(ap, ssize_t *)) = git_cache__current_storage.val;
		*(va_arg(ap, ssize_t *)) = git_cache__max_storage;
		break;

	case GIT_OPT_GET_TEMPLATE_PATH:
		{
			git_buf *out = va_arg(ap, git_buf *);
			const git_buf *tmp;

			git_buf_sanitize(out);
			if ((error = git_sysdir_get(&tmp, GIT_SYSDIR_TEMPLATE)) < 0)
				break;

			error = git_buf_sets(out, tmp->ptr);
		}
		break;

	case GIT_OPT_SET_TEMPLATE_PATH:
		error = git_sysdir_set(GIT_SYSDIR_TEMPLATE, va_arg(ap, const char *));
		break;

	case GIT_OPT_SET_SSL_CERT_LOCATIONS:
#ifdef GIT_SSL
		{
			const char *file = va_arg(ap, const char *);
			const char *path = va_arg(ap, const char *);
			if (!SSL_CTX_load_verify_locations(git__ssl_ctx, file, path)) {
				giterr_set(GITERR_NET, "SSL error: %s",
					ERR_error_string(ERR_get_error(), NULL));
				error = -1;
			}
		}
#else
		giterr_set(GITERR_NET, "Cannot set certificate locations: OpenSSL is not enabled");
		error = -1;
#endif
		break;
	}

	va_end(ap);

	return error;
}