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
|
/*
* ProFTPD - FTP server daemon
* Copyright (c) 2009 The ProFTPD Project team
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* As a special exemption, The ProFTPD Project team and other respective
* copyright holders give permission to link this program with OpenSSL, and
* distribute the resulting executable, without including the source code for
* OpenSSL in the source distribution.
*
* $Id: session.c,v 1.6 2009/09/14 20:44:12 castaglia Exp $
*/
#include "conf.h"
const char *pr_session_get_protocol(int flags) {
const char *sess_proto;
sess_proto = pr_table_get(session.notes, "protocol", NULL);
if (sess_proto == NULL) {
sess_proto = "ftp";
}
if (!(flags & PR_SESS_PROTO_FL_LOGOUT)) {
/* Return the protocol as is. */
return sess_proto;
}
/* Otherwise, we need to return either "FTP" or "SSH2", for consistency. */
if (strcmp(sess_proto, "ftp") == 0 ||
strcmp(sess_proto, "ftps") == 0) {
return "FTP";
} else if (strcmp(sess_proto, "ssh2") == 0 ||
strcmp(sess_proto, "sftp") == 0 ||
strcmp(sess_proto, "scp") == 0 ||
strcmp(sess_proto, "publickey") == 0) {
return "SSH2";
}
/* Should never reach here, but just in case... */
return "unknown";
}
int pr_session_set_idle(void) {
char *user = NULL;
pr_scoreboard_entry_update(session.pid,
PR_SCORE_BEGIN_IDLE, time(NULL),
PR_SCORE_CMD, "%s", "idle", NULL, NULL);
pr_scoreboard_entry_update(session.pid,
PR_SCORE_CMD_ARG, "%s", "", NULL, NULL);
if (session.user) {
user = session.user;
} else {
user = "(authenticating)";
}
pr_proctitle_set("%s - %s: IDLE", user, session.proc_prefix);
return 0;
}
int pr_session_set_protocol(const char *sess_proto) {
int count, res;
if (sess_proto == NULL) {
errno = EINVAL;
return -1;
}
count = pr_table_exists(session.notes, "protocol");
if (count > 0) {
res = pr_table_set(session.notes, pstrdup(session.pool, "protocol"),
pstrdup(session.pool, sess_proto), 0);
if (res == 0) {
/* Update the scoreboard entry for this session with the protocol. */
pr_scoreboard_entry_update(session.pid, PR_SCORE_PROTOCOL, sess_proto,
NULL);
}
return res;
}
res = pr_table_add(session.notes, pstrdup(session.pool, "protocol"),
pstrdup(session.pool, sess_proto), 0);
if (res == 0) {
/* Update the scoreboard entry for this session with the protocol. */
pr_scoreboard_entry_update(session.pid, PR_SCORE_PROTOCOL, sess_proto,
NULL);
}
return res;
}
static const char *sess_ttyname = NULL;
const char *pr_session_get_ttyname(pool *p) {
char ttybuf[32];
const char *sess_proto, *tty_proto = NULL;
if (p == NULL) {
errno = EINVAL;
return NULL;
}
if (sess_ttyname) {
/* Return the cached name. */
return pstrdup(p, sess_ttyname);
}
sess_proto = pr_table_get(session.notes, "protocol", NULL);
if (sess_proto) {
if (strcmp(sess_proto, "ftp") == 0 ||
strcmp(sess_proto, "ftps") == 0) {
#if (defined(BSD) && (BSD >= 199103))
tty_proto = "ftp";
#else
tty_proto = "ftpd";
#endif
} else if (strcmp(sess_proto, "ssh2") == 0 ||
strcmp(sess_proto, "sftp") == 0 ||
strcmp(sess_proto, "scp") == 0 ||
strcmp(sess_proto, "publickey") == 0) {
/* Just use the plain "ssh" string for the tty name for these cases. */
tty_proto = "ssh";
/* Cache the originally constructed tty name for any later retrievals. */
sess_ttyname = pstrdup(session.pool, tty_proto);
return pstrdup(p, sess_ttyname);
}
}
if (tty_proto == NULL) {
#if (defined(BSD) && (BSD >= 199103))
tty_proto = "ftp";
#else
tty_proto = "ftpd";
#endif
}
memset(ttybuf, '\0', sizeof(ttybuf));
#if (defined(BSD) && (BSD >= 199103))
snprintf(ttybuf, sizeof(ttybuf), "%s%ld", tty_proto,
(long) (session.pid ? session.pid : getpid()));
#else
snprintf(ttybuf, sizeof(ttybuf), "%s%d", tty_proto,
(int) (session.pid ? session.pid : getpid()));
#endif
/* Cache the originally constructed tty name for any later retrievals. */
sess_ttyname = pstrdup(session.pool, ttybuf);
return pstrdup(p, sess_ttyname);
}
|
