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
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
/*
* XMail by Davide Libenzi ( Intranet and Internet mail server )
* Copyright (C) 1999,..,2004 Davide Libenzi
*
* 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
*
* Davide Libenzi <davidel@xmailserver.org>
*
*/
#include "SysInclude.h"
#include "SysDep.h"
#include "SvrDefines.h"
#include "ShBlocks.h"
#include "ResLocks.h"
#include "StrUtils.h"
#include "SList.h"
#include "BuffSock.h"
#include "MailConfig.h"
#include "SvrUtils.h"
#include "UsrUtils.h"
#include "MessQueue.h"
#include "SMAILUtils.h"
#include "QueueUtils.h"
#include "MailSvr.h"
#include "MiscUtils.h"
#include "UsrAuth.h"
#define USER_AUTH_DIR "userauth"
#define AUTH_LINE_MAX 1024
#define AUTH_AUTHENTICATE_CONFIG "userauth"
#define AUTH_ADD_CONFIG "useradd"
#define AUTH_MODIFY_CONFIG "useredit"
#define AUTH_DEL_CONFIG "userdel"
#define AUTH_DROPDOMAIN_CONFIG "domaindrop"
#define USER_AUTH_TIMEOUT 60
#define USER_AUTH_PRIORITY SYS_PRIORITY_NORMAL
#define AUTH_SUCCESS_CODE 0
static int UAthGetConfigPath(char const *pszService, char const *pszDomain, char *pszConfigPath);
static int UAthExecAuthOp(char const *pszService, char const *pszAuthOp,
char const *pszDomain, char const *pszUsername, UserInfo * pUI);
static int UAthMacroSubstitutes(char **ppszCmdTokens, char const *pszDomain,
char const *pszUsername, char const *pszPassword, UserInfo * pUI);
char *UAthGetRootPath(char const *pszService, char *pszAuthPath, int iMaxPath)
{
CfgGetRootPath(pszAuthPath, iMaxPath);
StrNCat(pszAuthPath, USER_AUTH_DIR, iMaxPath);
AppendSlash(pszAuthPath);
StrNCat(pszAuthPath, pszService, iMaxPath);
AppendSlash(pszAuthPath);
return (pszAuthPath);
}
static int UAthGetConfigPath(char const *pszService, char const *pszDomain, char *pszConfigPath)
{
char szAuthPath[SYS_MAX_PATH] = "";
UAthGetRootPath(pszService, szAuthPath, sizeof(szAuthPath));
///////////////////////////////////////////////////////////////////////////////
// Check domain specific config
///////////////////////////////////////////////////////////////////////////////
sprintf(pszConfigPath, "%s%s.tab", szAuthPath, pszDomain);
if (SysExistFile(pszConfigPath))
return (0);
///////////////////////////////////////////////////////////////////////////////
// Check default config
///////////////////////////////////////////////////////////////////////////////
sprintf(pszConfigPath, "%s.tab", szAuthPath);
if (SysExistFile(pszConfigPath))
return (0);
ErrSetErrorCode(ERR_NO_EXTERNAL_AUTH_DEFINED);
return (ERR_NO_EXTERNAL_AUTH_DEFINED);
}
static int UAthExecAuthOp(char const *pszService, char const *pszAuthOp,
char const *pszDomain, char const *pszUsername,
char const *pszPassword, UserInfo * pUI)
{
char szAuthConfigPath[SYS_MAX_PATH] = "";
if (UAthGetConfigPath(pszService, pszDomain, szAuthConfigPath) < 0)
return (ErrGetErrorCode());
FILE *pAuthFile = fopen(szAuthConfigPath, "rt");
if (pAuthFile == NULL) {
ErrSetErrorCode(ERR_FILE_OPEN, szAuthConfigPath);
return (ERR_FILE_OPEN);
}
char szAuthLine[AUTH_LINE_MAX] = "";
while (MscGetConfigLine(szAuthLine, sizeof(szAuthLine) - 1, pAuthFile) != NULL) {
char **ppszCmdTokens = StrGetTabLineStrings(szAuthLine);
if (ppszCmdTokens == NULL)
continue;
int iFieldsCount = StrStringsCount(ppszCmdTokens);
if ((iFieldsCount > 1) && (stricmp(ppszCmdTokens[0], pszAuthOp) == 0)) {
///////////////////////////////////////////////////////////////////////////////
// Do auth line macro substitution
///////////////////////////////////////////////////////////////////////////////
UAthMacroSubstitutes(ppszCmdTokens, pszDomain, pszUsername, pszPassword,
pUI);
int iExitCode = 0;
if (SysExec(ppszCmdTokens[1], &ppszCmdTokens[1], USER_AUTH_TIMEOUT,
USER_AUTH_PRIORITY, &iExitCode) == 0) {
if (iExitCode != AUTH_SUCCESS_CODE) {
StrFreeStrings(ppszCmdTokens);
fclose(pAuthFile);
ErrSetErrorCode(ERR_EXTERNAL_AUTH_FAILURE);
return (ERR_EXTERNAL_AUTH_FAILURE);
}
StrFreeStrings(ppszCmdTokens);
fclose(pAuthFile);
return (0);
} else {
StrFreeStrings(ppszCmdTokens);
fclose(pAuthFile);
SysLogMessage(LOG_LEV_MESSAGE,
"Execution error in authentication file \"%s\"\n",
szAuthConfigPath);
ErrSetErrorCode(ERR_EXTERNAL_AUTH_FAILURE);
return (ERR_EXTERNAL_AUTH_FAILURE);
}
}
StrFreeStrings(ppszCmdTokens);
}
fclose(pAuthFile);
ErrSetErrorCode(ERR_NO_EXTERNAL_AUTH_DEFINED);
return (ERR_NO_EXTERNAL_AUTH_DEFINED);
}
int UAthAuthenticateUser(char const *pszService, char const *pszDomain,
char const *pszUsername, char const *pszPassword)
{
return (UAthExecAuthOp(pszService, AUTH_AUTHENTICATE_CONFIG, pszDomain, pszUsername,
pszPassword, NULL));
}
int UAthAddUser(char const *pszService, UserInfo * pUI)
{
return (UAthExecAuthOp(pszService, AUTH_ADD_CONFIG, pUI->pszDomain, pUI->pszName,
pUI->pszPassword, pUI));
}
int UAthModifyUser(char const *pszService, UserInfo * pUI)
{
return (UAthExecAuthOp(pszService, AUTH_MODIFY_CONFIG, pUI->pszDomain, pUI->pszName,
pUI->pszPassword, pUI));
}
int UAthDelUser(char const *pszService, UserInfo * pUI)
{
return (UAthExecAuthOp(pszService, AUTH_DEL_CONFIG, pUI->pszDomain, pUI->pszName,
pUI->pszPassword, pUI));
}
int UAthDropDomain(char const *pszService, char const *pszDomain)
{
return (UAthExecAuthOp(pszService, AUTH_DROPDOMAIN_CONFIG, pszDomain, NULL, NULL, NULL));
}
static int UAthMacroSubstitutes(char **ppszCmdTokens, char const *pszDomain,
char const *pszUsername, char const *pszPassword, UserInfo * pUI)
{
for (int ii = 0; ppszCmdTokens[ii] != NULL; ii++) {
if ((pszDomain != NULL) && (strcmp(ppszCmdTokens[ii], "@@DOMAIN") == 0)) {
char *pszNewValue = SysStrDup(pszDomain);
if (pszNewValue == NULL)
return (ErrGetErrorCode());
SysFree(ppszCmdTokens[ii]);
ppszCmdTokens[ii] = pszNewValue;
} else if ((pszUsername != NULL) && (strcmp(ppszCmdTokens[ii], "@@USER") == 0)) {
char *pszNewValue = SysStrDup(pszUsername);
if (pszNewValue == NULL)
return (ErrGetErrorCode());
SysFree(ppszCmdTokens[ii]);
ppszCmdTokens[ii] = pszNewValue;
} else if ((pszPassword != NULL) && (strcmp(ppszCmdTokens[ii], "@@PASSWD") == 0)) {
char *pszNewValue = SysStrDup(pszPassword);
if (pszNewValue == NULL)
return (ErrGetErrorCode());
SysFree(ppszCmdTokens[ii]);
ppszCmdTokens[ii] = pszNewValue;
} else if ((pUI != NULL) && (strcmp(ppszCmdTokens[ii], "@@PATH") == 0)) {
char szUserPath[SYS_MAX_PATH] = "";
UsrGetUserPath(pUI, szUserPath, sizeof(szUserPath), 0);
char *pszNewValue = SysStrDup(szUserPath);
if (pszNewValue == NULL)
return (ErrGetErrorCode());
SysFree(ppszCmdTokens[ii]);
ppszCmdTokens[ii] = pszNewValue;
}
}
return (0);
}
|
