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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
/**********************************************************
* cvsfs.c
*
* Copyright 2004, Stefan Siegl <ssiegl@gmx.de>, Germany
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Publice License,
* version 2 or any later. The license is contained in the COPYING
* file that comes with the cvsfs4hurd distribution.
*
* translator startup code (netfs startup & argp handling)
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define PACKAGE "cvsfs"
#define VERSION "0.1"
#include <stdio.h>
#include <argp.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <error.h>
#include <netdb.h>
#include <sys/stat.h>
#include <hurd/netfs.h>
#include "cvsfs.h"
#include "cvs_connect.h"
#include "cvs_tree.h"
#include "node.h"
/* cvsfs configuration: cvs pserver hostname, rootdir, modulename, etc. */
cvsfs_config config;
/* cvsfs entry stat template */
cvsfs_stat_template stat_template;
/* global variables, needed for netfs */
char *netfs_server_name = PACKAGE;
char *netfs_server_version = VERSION;
int netfs_maxsymlinks = 12;
static error_t parse_cvsfs_opt(int key, char *arg, struct argp_state *state);
static const struct argp_child argp_children[] =
{
{&netfs_std_startup_argp, 0, NULL, 0},
{NULL, 0, NULL, 0}
};
/* documentation, written out when called with either --usage or --help */
const char *argp_program_version = VERSION;
static char *args_doc = "HOSTNAME CVSROOT MODULE";
static char *doc = "cvs filesystem translator for the Hurd.\v"
"Please mind the cvsfs is currently very much alpha-state code, therefore "
"please do not expect a translator working perfectly from the first "
"second on.";
/* options our translator understands, to be used by libc argp */
enum
{
OPT_PORT = 'p',
OPT_USER = 'u',
OPT_HOMEDIR = 'h',
OPT_REMOTE = 'r',
};
static const struct argp_option cvsfs_options[] =
{
{ "port", OPT_PORT, "PORT", 0,
"port to connect to on given host (if not using standard port)", 0 },
{ "user", OPT_USER, "USERNAME", 0,
"username to supply to cvs host, when logging in", 0 },
{ "homedir", OPT_HOMEDIR, "PATH", 0,
"path of your home directory (= path to .cvspass file)", 0 },
{ "remote", OPT_REMOTE, "CLIENT", OPTION_ARG_OPTIONAL,
"connect through :ext: remote shell client CLIENT to cvs host", 0 },
/* terminate list */
{ NULL, 0, NULL, 0, NULL, 0 }
};
volatile struct mapped_time_value *cvsfs_maptime;
/* pointer to root netnode */
struct netnode *rootdir = NULL;
int
main(int argc, char **argv)
{
io_statbuf_t ul_stat;
mach_port_t bootstrap, ul_node;
struct argp argp =
{
cvsfs_options, parse_cvsfs_opt,
args_doc, doc, argp_children,
NULL, NULL
};
cvs_connect_init();
/* stderr = fopen("cvsfs.log", "w");
* setvbuf(stderr, NULL, _IONBF, 0);
*/
/* reset configuration structure to sane defaults */
memset(&config, 0, sizeof(config));
config.cvs_mode = PSERVER;
config.cvs_port = 2401;
config.cvs_username = "anonymous";
config.cvs_password = NULL;
/* parse command line parameters, first things first. */
argp_parse(&argp, argc, argv, 0, 0, 0);
/* set up our translator now ... */
task_get_bootstrap_port(mach_task_self(), &bootstrap);
netfs_init();
/* download initial root directory */
if(cvs_tree_read(&rootdir))
{
fprintf(stderr, PACKAGE ": unable to get initial cvs tree, stop.\n");
return 1;
}
/* map time */
if(maptime_map(0, 0, &cvsfs_maptime))
{
perror(PACKAGE ": cannot map time");
return 1;
}
/* start up netfs stuff */
ul_node = netfs_startup(bootstrap, 0);
if(io_stat(ul_node, &ul_stat))
{
perror(PACKAGE ": cannot stat underlying node");
return 1;
}
/* initialize our stat_template structure */
stat_template.uid = ul_stat.st_uid;
stat_template.gid = ul_stat.st_gid;
stat_template.author = ul_stat.st_author;
stat_template.fsid = getpid();
stat_template.mode = ul_stat.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
/* create our root node */
netfs_root_node = cvsfs_make_node(rootdir);
if(! netfs_root_node)
{
perror(PACKAGE ": cannot create rootnode");
return 1;
}
netfs_server_loop();
return 1; /* netfs_server_loop doesn't return, exit with status 1, if
* it returns anyways ...
*/
}
/* parse_cvsfs_opt
*
* argp parser function for cvsfs'es command line args
*/
static error_t
parse_cvsfs_opt(int key, char *arg, struct argp_state *state)
{
switch(key)
{
case OPT_PORT:
config.cvs_port = atoi(arg);
break;
case OPT_USER:
config.cvs_username = strdup(arg);
break;
case OPT_HOMEDIR:
config.homedir = strdup(arg);
break;
case OPT_REMOTE:
config.cvs_mode = EXT;
if(arg)
config.cvs_shell_client = strdup(arg);
else
{
const char *rsh = getenv("CVS_RSH");
if(rsh)
config.cvs_shell_client = strdup(arg);
else
config.cvs_shell_client = "rsh";
}
break;
case ARGP_KEY_ARGS:
if(state->argc - state->next != 3)
argp_usage(state);
else
{
config.cvs_hostname = strdup(state->argv[state->next ++]);
config.cvs_root = strdup(state->argv[state->next ++]);
config.cvs_module = strdup(state->argv[state->next ++]);
}
break;
case ARGP_KEY_NO_ARGS:
argp_usage(state);
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
|
