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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> | |
39 | #include <stdio.h> | |
40 | #include <stdlib.h> | |
41 | #include <string.h> | |
42 | #include <syslog.h> | |
43 | #include <stdarg.h> | |
44 | ||
45 | #include "dma.h" | |
46 | ||
47 | #define DP ": \t\n" | |
48 | #define EQS " \t\n" | |
49 | ||
50 | extern struct virtusers virtusers; | |
51 | extern struct authusers authusers; | |
52 | ||
53 | /* | |
54 | * Remove trailing \n's | |
55 | */ | |
56 | void | |
57 | trim_line(char *line) | |
58 | { | |
59 | size_t linelen; | |
60 | char *p; | |
61 | ||
62 | p = line; | |
63 | ||
64 | if ((p = strchr(line, '\n'))) | |
65 | *p = (char)0; | |
66 | ||
67 | /* Escape leading dot in every case */ | |
68 | linelen = strlen(line); | |
69 | if (line[0] == '.') { | |
70 | if ((linelen + 2) > 1000) { | |
71 | syslog(LOG_CRIT, "Cannot escape leading dot. Buffer overflow"); | |
72 | exit(1); | |
73 | } | |
74 | memmove((line + 1), line, (linelen + 1)); | |
75 | line[0] = '.'; | |
76 | } | |
77 | } | |
78 | ||
79 | /* | |
80 | * Add a virtual user entry to the list of virtual users | |
81 | */ | |
82 | static void | |
83 | add_virtuser(char *login, char *address) | |
84 | { | |
85 | struct virtuser *v; | |
86 | ||
87 | v = malloc(sizeof(struct virtuser)); | |
88 | v->login = strdup(login); | |
89 | v->address = strdup(address); | |
90 | SLIST_INSERT_HEAD(&virtusers, v, next); | |
91 | } | |
92 | ||
93 | /* | |
94 | * Read the virtual user table | |
95 | */ | |
96 | int | |
97 | parse_virtuser(const char *path) | |
98 | { | |
99 | FILE *v; | |
100 | char *word; | |
101 | char *data; | |
102 | char line[2048]; | |
103 | ||
104 | v = fopen(path, "r"); | |
105 | if (v == NULL) | |
106 | return (-1); | |
107 | ||
108 | while (!feof(v)) { | |
5b84c25b SS |
109 | if (fgets(line, sizeof(line), v) == NULL) |
110 | break; | |
86e4d161 MS |
111 | /* We hit a comment */ |
112 | if (strchr(line, '#')) | |
113 | *strchr(line, '#') = 0; | |
114 | if ((word = strtok(line, DP)) != NULL) { | |
115 | data = strtok(NULL, DP); | |
116 | if (data != NULL) { | |
117 | add_virtuser(word, data); | |
118 | } | |
119 | } | |
120 | } | |
121 | ||
122 | fclose(v); | |
123 | return (0); | |
124 | } | |
125 | ||
126 | /* | |
127 | * Add entry to the SMTP auth user list | |
128 | */ | |
129 | static void | |
130 | add_smtp_auth_user(char *userstring, char *password) | |
131 | { | |
132 | struct authuser *a; | |
133 | char *temp; | |
134 | ||
135 | a = malloc(sizeof(struct virtuser)); | |
136 | a->password= strdup(password); | |
137 | ||
138 | temp = strrchr(userstring, '|'); | |
139 | if (temp == NULL) | |
140 | errx(1, "auth.conf file in wrong format"); | |
141 | ||
142 | a->host = strdup(temp+1); | |
143 | a->login = strdup(strtok(userstring, "|")); | |
144 | if (a->login == NULL) | |
145 | errx(1, "auth.conf file in wrong format"); | |
146 | ||
147 | SLIST_INSERT_HEAD(&authusers, a, next); | |
148 | } | |
149 | ||
150 | /* | |
151 | * Read the SMTP authentication config file | |
152 | */ | |
153 | int | |
154 | parse_authfile(const char *path) | |
155 | { | |
156 | FILE *a; | |
157 | char *word; | |
158 | char *data; | |
159 | char line[2048]; | |
160 | ||
161 | a = fopen(path, "r"); | |
162 | if (a == NULL) | |
163 | return (1); | |
164 | ||
165 | while (!feof(a)) { | |
5b84c25b SS |
166 | if (fgets(line, sizeof(line), a) == NULL) |
167 | break; | |
86e4d161 MS |
168 | /* We hit a comment */ |
169 | if (strchr(line, '#')) | |
170 | *strchr(line, '#') = 0; | |
171 | if ((word = strtok(line, DP)) != NULL) { | |
172 | data = strtok(NULL, DP); | |
173 | if (data != NULL) { | |
174 | add_smtp_auth_user(word, data); | |
175 | } | |
176 | } | |
177 | } | |
178 | ||
179 | fclose(a); | |
180 | return (0); | |
181 | } | |
182 | ||
183 | /* | |
184 | * XXX TODO | |
185 | * Check if the user supplied a value. If not, fill in default | |
186 | * Check for bad things[TM] | |
187 | */ | |
188 | int | |
189 | parse_conf(const char *config_path, struct config *config) | |
190 | { | |
191 | char *word; | |
192 | char *data; | |
193 | FILE *conf; | |
194 | char line[2048]; | |
195 | ||
196 | conf = fopen(config_path, "r"); | |
197 | if (conf == NULL) | |
198 | return (-1); | |
199 | ||
200 | /* Reset features */ | |
201 | config->features = 0; | |
202 | ||
203 | while (!feof(conf)) { | |
5b84c25b SS |
204 | if (fgets(line, sizeof(line), conf) == NULL) |
205 | break; | |
86e4d161 MS |
206 | /* We hit a comment */ |
207 | if (strchr(line, '#')) | |
208 | *strchr(line, '#') = 0; | |
209 | if ((word = strtok(line, EQS)) != NULL) { | |
210 | data = strtok(NULL, EQS); | |
211 | if (strcmp(word, "SMARTHOST") == 0) { | |
212 | if (data != NULL) | |
213 | config->smarthost = strdup(data); | |
214 | } | |
215 | else if (strcmp(word, "PORT") == 0) { | |
216 | if (data != NULL) | |
217 | config->port = atoi(strdup(data)); | |
218 | } | |
219 | else if (strcmp(word, "ALIASES") == 0) { | |
220 | if (data != NULL) | |
221 | config->aliases = strdup(data); | |
222 | } | |
223 | else if (strcmp(word, "SPOOLDIR") == 0) { | |
224 | if (data != NULL) | |
225 | config->spooldir = strdup(data); | |
226 | } | |
227 | else if (strcmp(word, "VIRTPATH") == 0) { | |
228 | if (data != NULL) | |
229 | config->virtualpath = strdup(data); | |
230 | } | |
231 | else if (strcmp(word, "AUTHPATH") == 0) { | |
232 | if (data != NULL) | |
233 | config->authpath= strdup(data); | |
234 | } | |
235 | else if (strcmp(word, "CERTFILE") == 0) { | |
236 | if (data != NULL) | |
237 | config->certfile = strdup(data); | |
238 | } | |
239 | else if (strcmp(word, "VIRTUAL") == 0) | |
240 | config->features |= VIRTUAL; | |
241 | else if (strcmp(word, "STARTTLS") == 0) | |
242 | config->features |= STARTTLS; | |
243 | else if (strcmp(word, "SECURETRANSFER") == 0) | |
244 | config->features |= SECURETRANS; | |
245 | else if (strcmp(word, "DEFER") == 0) | |
246 | config->features |= DEFER; | |
dfce7456 MS |
247 | else if (strcmp(word, "INSECURE") == 0) |
248 | config->features |= INSECURE; | |
86e4d161 MS |
249 | } |
250 | } | |
251 | ||
252 | fclose(conf); | |
253 | return (0); | |
254 | } | |
255 |