dma: add TODO
[dragonfly.git] / libexec / dma / conf.c
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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.
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34 */
35
36#include <err.h>
e2c88018 37#include <errno.h>
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38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41#include <syslog.h>
42#include <stdarg.h>
43
44#include "dma.h"
45
46#define DP ": \t\n"
47#define EQS " \t\n"
48
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49
50/*
51 * Remove trailing \n's
52 */
53void
54trim_line(char *line)
55{
56 size_t linelen;
57 char *p;
58
59 p = line;
60
61 if ((p = strchr(line, '\n')))
62 *p = (char)0;
63
64 /* Escape leading dot in every case */
65 linelen = strlen(line);
66 if (line[0] == '.') {
67 if ((linelen + 2) > 1000) {
68 syslog(LOG_CRIT, "Cannot escape leading dot. Buffer overflow");
69 exit(1);
70 }
71 memmove((line + 1), line, (linelen + 1));
72 line[0] = '.';
73 }
74}
75
76/*
77 * Add a virtual user entry to the list of virtual users
78 */
79static void
80add_virtuser(char *login, char *address)
81{
82 struct virtuser *v;
83
84 v = malloc(sizeof(struct virtuser));
85 v->login = strdup(login);
86 v->address = strdup(address);
87 SLIST_INSERT_HEAD(&virtusers, v, next);
88}
89
90/*
91 * Read the virtual user table
92 */
93int
94parse_virtuser(const char *path)
95{
96 FILE *v;
97 char *word;
98 char *data;
99 char line[2048];
100
101 v = fopen(path, "r");
102 if (v == NULL)
103 return (-1);
104
105 while (!feof(v)) {
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106 if (fgets(line, sizeof(line), v) == NULL)
107 break;
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108 /* We hit a comment */
109 if (strchr(line, '#'))
110 *strchr(line, '#') = 0;
111 if ((word = strtok(line, DP)) != NULL) {
112 data = strtok(NULL, DP);
113 if (data != NULL) {
114 add_virtuser(word, data);
115 }
116 }
117 }
118
119 fclose(v);
120 return (0);
121}
122
123/*
124 * Add entry to the SMTP auth user list
125 */
1da0a9f2 126static int
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127add_smtp_auth_user(char *userstring, char *password)
128{
129 struct authuser *a;
130 char *temp;
131
132 a = malloc(sizeof(struct virtuser));
133 a->password= strdup(password);
134
135 temp = strrchr(userstring, '|');
136 if (temp == NULL)
1da0a9f2 137 return (-1);
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138
139 a->host = strdup(temp+1);
140 a->login = strdup(strtok(userstring, "|"));
141 if (a->login == NULL)
1da0a9f2 142 return (-1);
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143
144 SLIST_INSERT_HEAD(&authusers, a, next);
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145
146 return (0);
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147}
148
149/*
150 * Read the SMTP authentication config file
151 */
152int
153parse_authfile(const char *path)
154{
155 FILE *a;
156 char *word;
157 char *data;
158 char line[2048];
159
160 a = fopen(path, "r");
161 if (a == NULL)
e2c88018 162 return (-1);
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163
164 while (!feof(a)) {
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165 if (fgets(line, sizeof(line), a) == NULL)
166 break;
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167 /* We hit a comment */
168 if (strchr(line, '#'))
169 *strchr(line, '#') = 0;
170 if ((word = strtok(line, DP)) != NULL) {
171 data = strtok(NULL, DP);
172 if (data != NULL) {
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173 if (add_smtp_auth_user(word, data) < 0)
174 return (-1);
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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 */
188int
f4e61a9f 189parse_conf(const char *config_path)
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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)) {
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204 if (fgets(line, sizeof(line), conf) == NULL)
205 break;
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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 }
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239 else if (strcmp(word, "MAILNAME") == 0) {
240 if (data != NULL)
241 config->mailname = strdup(data);
242 }
243 else if (strcmp(word, "MAILNAMEFILE") == 0) {
244 if (data != NULL)
245 config->mailnamefile = strdup(data);
246 }
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247 else if (strcmp(word, "VIRTUAL") == 0)
248 config->features |= VIRTUAL;
249 else if (strcmp(word, "STARTTLS") == 0)
250 config->features |= STARTTLS;
251 else if (strcmp(word, "SECURETRANSFER") == 0)
252 config->features |= SECURETRANS;
253 else if (strcmp(word, "DEFER") == 0)
254 config->features |= DEFER;
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255 else if (strcmp(word, "INSECURE") == 0)
256 config->features |= INSECURE;
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257 else if (strcmp(word, "FULLBOUNCE") == 0)
258 config->features |= FULLBOUNCE;
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259 else {
260 errno = EINVAL;
261 return (-1);
262 }
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263 }
264 }
265
266 fclose(conf);
267 return (0);
268}
269