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86e4d161 MS |
1 | /* |
2 | * Copyright (c) 2008 The DragonFly Project. All rights reserved. | |
3 | * | |
4 | * This code is derived from software contributed to The DragonFly Project | |
5 | * by Matthias Schmidt <matthias@dragonflybsd.org>, University of Marburg, | |
6 | * Germany. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * 2. Redistributions in binary form must reproduce the above copyright | |
15 | * notice, this list of conditions and the following disclaimer in | |
16 | * the documentation and/or other materials provided with the | |
17 | * distribution. | |
18 | * 3. Neither the name of The DragonFly Project nor the names of its | |
19 | * contributors may be used to endorse or promote products derived | |
20 | * from this software without specific, prior written permission. | |
21 | * | |
22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
23 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
24 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
25 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
26 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
27 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
28 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
29 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
30 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
31 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
32 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
33 | * SUCH DAMAGE. | |
34 | * | |
dfce7456 | 35 | * $DragonFly: src/libexec/dma/conf.c,v 1.2 2008/02/04 10:11:41 matthias Exp $ |
86e4d161 MS |
36 | */ |
37 | ||
38 | #include <err.h> | |
53885e5a | 39 | #include <errno.h> |
86e4d161 MS |
40 | #include <stdio.h> |
41 | #include <stdlib.h> | |
42 | #include <string.h> | |
43 | #include <syslog.h> | |
44 | #include <stdarg.h> | |
45 | ||
46 | #include "dma.h" | |
47 | ||
48 | #define DP ": \t\n" | |
49 | #define EQS " \t\n" | |
50 | ||
51 | extern struct virtusers virtusers; | |
52 | extern struct authusers authusers; | |
53 | ||
54 | /* | |
55 | * Remove trailing \n's | |
56 | */ | |
57 | void | |
58 | trim_line(char *line) | |
59 | { | |
60 | size_t linelen; | |
61 | char *p; | |
62 | ||
63 | p = line; | |
64 | ||
65 | if ((p = strchr(line, '\n'))) | |
66 | *p = (char)0; | |
67 | ||
68 | /* Escape leading dot in every case */ | |
69 | linelen = strlen(line); | |
70 | if (line[0] == '.') { | |
71 | if ((linelen + 2) > 1000) { | |
72 | syslog(LOG_CRIT, "Cannot escape leading dot. Buffer overflow"); | |
73 | exit(1); | |
74 | } | |
75 | memmove((line + 1), line, (linelen + 1)); | |
76 | line[0] = '.'; | |
77 | } | |
78 | } | |
79 | ||
80 | /* | |
81 | * Add a virtual user entry to the list of virtual users | |
82 | */ | |
83 | static void | |
84 | add_virtuser(char *login, char *address) | |
85 | { | |
86 | struct virtuser *v; | |
87 | ||
88 | v = malloc(sizeof(struct virtuser)); | |
89 | v->login = strdup(login); | |
90 | v->address = strdup(address); | |
91 | SLIST_INSERT_HEAD(&virtusers, v, next); | |
92 | } | |
93 | ||
94 | /* | |
95 | * Read the virtual user table | |
96 | */ | |
97 | int | |
98 | parse_virtuser(const char *path) | |
99 | { | |
100 | FILE *v; | |
101 | char *word; | |
102 | char *data; | |
103 | char line[2048]; | |
104 | ||
105 | v = fopen(path, "r"); | |
106 | if (v == NULL) | |
107 | return (-1); | |
108 | ||
109 | while (!feof(v)) { | |
5b84c25b SS |
110 | if (fgets(line, sizeof(line), v) == NULL) |
111 | break; | |
86e4d161 MS |
112 | /* We hit a comment */ |
113 | if (strchr(line, '#')) | |
114 | *strchr(line, '#') = 0; | |
115 | if ((word = strtok(line, DP)) != NULL) { | |
116 | data = strtok(NULL, DP); | |
117 | if (data != NULL) { | |
118 | add_virtuser(word, data); | |
119 | } | |
120 | } | |
121 | } | |
122 | ||
123 | fclose(v); | |
124 | return (0); | |
125 | } | |
126 | ||
127 | /* | |
128 | * Add entry to the SMTP auth user list | |
129 | */ | |
130 | static void | |
131 | add_smtp_auth_user(char *userstring, char *password) | |
132 | { | |
133 | struct authuser *a; | |
134 | char *temp; | |
135 | ||
136 | a = malloc(sizeof(struct virtuser)); | |
137 | a->password= strdup(password); | |
138 | ||
139 | temp = strrchr(userstring, '|'); | |
140 | if (temp == NULL) | |
141 | errx(1, "auth.conf file in wrong format"); | |
53885e5a | 142 | /* XXX don't use errx */ |
86e4d161 MS |
143 | |
144 | a->host = strdup(temp+1); | |
145 | a->login = strdup(strtok(userstring, "|")); | |
146 | if (a->login == NULL) | |
147 | errx(1, "auth.conf file in wrong format"); | |
148 | ||
149 | SLIST_INSERT_HEAD(&authusers, a, next); | |
150 | } | |
151 | ||
152 | /* | |
153 | * Read the SMTP authentication config file | |
154 | */ | |
155 | int | |
156 | parse_authfile(const char *path) | |
157 | { | |
158 | FILE *a; | |
159 | char *word; | |
160 | char *data; | |
161 | char line[2048]; | |
162 | ||
163 | a = fopen(path, "r"); | |
164 | if (a == NULL) | |
53885e5a | 165 | return (-1); |
86e4d161 MS |
166 | |
167 | while (!feof(a)) { | |
5b84c25b SS |
168 | if (fgets(line, sizeof(line), a) == NULL) |
169 | break; | |
86e4d161 MS |
170 | /* We hit a comment */ |
171 | if (strchr(line, '#')) | |
172 | *strchr(line, '#') = 0; | |
173 | if ((word = strtok(line, DP)) != NULL) { | |
174 | data = strtok(NULL, DP); | |
175 | if (data != NULL) { | |
176 | add_smtp_auth_user(word, data); | |
177 | } | |
178 | } | |
179 | } | |
180 | ||
181 | fclose(a); | |
182 | return (0); | |
183 | } | |
184 | ||
185 | /* | |
186 | * XXX TODO | |
187 | * Check if the user supplied a value. If not, fill in default | |
188 | * Check for bad things[TM] | |
189 | */ | |
190 | int | |
191 | parse_conf(const char *config_path, struct config *config) | |
192 | { | |
193 | char *word; | |
194 | char *data; | |
195 | FILE *conf; | |
196 | char line[2048]; | |
197 | ||
198 | conf = fopen(config_path, "r"); | |
199 | if (conf == NULL) | |
200 | return (-1); | |
201 | ||
202 | /* Reset features */ | |
203 | config->features = 0; | |
204 | ||
205 | while (!feof(conf)) { | |
5b84c25b SS |
206 | if (fgets(line, sizeof(line), conf) == NULL) |
207 | break; | |
86e4d161 MS |
208 | /* We hit a comment */ |
209 | if (strchr(line, '#')) | |
210 | *strchr(line, '#') = 0; | |
211 | if ((word = strtok(line, EQS)) != NULL) { | |
212 | data = strtok(NULL, EQS); | |
213 | if (strcmp(word, "SMARTHOST") == 0) { | |
214 | if (data != NULL) | |
215 | config->smarthost = strdup(data); | |
216 | } | |
217 | else if (strcmp(word, "PORT") == 0) { | |
218 | if (data != NULL) | |
219 | config->port = atoi(strdup(data)); | |
220 | } | |
221 | else if (strcmp(word, "ALIASES") == 0) { | |
222 | if (data != NULL) | |
223 | config->aliases = strdup(data); | |
224 | } | |
225 | else if (strcmp(word, "SPOOLDIR") == 0) { | |
226 | if (data != NULL) | |
227 | config->spooldir = strdup(data); | |
228 | } | |
229 | else if (strcmp(word, "VIRTPATH") == 0) { | |
230 | if (data != NULL) | |
231 | config->virtualpath = strdup(data); | |
232 | } | |
233 | else if (strcmp(word, "AUTHPATH") == 0) { | |
234 | if (data != NULL) | |
235 | config->authpath= strdup(data); | |
236 | } | |
237 | else if (strcmp(word, "CERTFILE") == 0) { | |
238 | if (data != NULL) | |
239 | config->certfile = strdup(data); | |
240 | } | |
ebe7ade7 SS |
241 | else if (strcmp(word, "MAILNAME") == 0) { |
242 | if (data != NULL) | |
243 | config->mailname = strdup(data); | |
244 | } | |
245 | else if (strcmp(word, "MAILNAMEFILE") == 0) { | |
246 | if (data != NULL) | |
247 | config->mailnamefile = strdup(data); | |
248 | } | |
86e4d161 MS |
249 | else if (strcmp(word, "VIRTUAL") == 0) |
250 | config->features |= VIRTUAL; | |
251 | else if (strcmp(word, "STARTTLS") == 0) | |
252 | config->features |= STARTTLS; | |
253 | else if (strcmp(word, "SECURETRANSFER") == 0) | |
254 | config->features |= SECURETRANS; | |
255 | else if (strcmp(word, "DEFER") == 0) | |
256 | config->features |= DEFER; | |
dfce7456 MS |
257 | else if (strcmp(word, "INSECURE") == 0) |
258 | config->features |= INSECURE; | |
8ee63931 SS |
259 | else if (strcmp(word, "FULLBOUNCE") == 0) |
260 | config->features |= FULLBOUNCE; | |
53885e5a SS |
261 | else { |
262 | errno = EINVAL; | |
263 | return (-1); | |
264 | } | |
86e4d161 MS |
265 | } |
266 | } | |
267 | ||
268 | fclose(conf); | |
269 | return (0); | |
270 | } | |
271 |