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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 Simon 'corecode' Schubert <corecode@fs.ei.tum.de> and | |
6 | * Matthias Schmidt <matthias@dragonflybsd.org>. | |
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. | |
86e4d161 MS |
34 | */ |
35 | ||
36 | #ifndef DMA_H | |
37 | #define DMA_H | |
38 | ||
8cbdbd34 | 39 | #include <sys/types.h> |
86e4d161 | 40 | #include <sys/queue.h> |
8cbdbd34 SS |
41 | #include <sys/socket.h> |
42 | #include <arpa/nameser.h> | |
43 | #include <arpa/inet.h> | |
44 | #include <openssl/ssl.h> | |
45 | #include <netdb.h> | |
86e4d161 | 46 | |
d062346c | 47 | #define VERSION "DragonFly Mail Agent " DMA_VERSION |
86e4d161 MS |
48 | |
49 | #define BUF_SIZE 2048 | |
249ee966 SS |
50 | #define ERRMSG_SIZE 200 |
51 | #define USERNAME_SIZE 50 | |
86e4d161 MS |
52 | #define MIN_RETRY 300 /* 5 minutes */ |
53 | #define MAX_RETRY (3*60*60) /* retry at least every 3 hours */ | |
54 | #define MAX_TIMEOUT (5*24*60*60) /* give up after 5 days */ | |
dd475b5e | 55 | #ifndef PATH_MAX |
86e4d161 | 56 | #define PATH_MAX 1024 /* Max path len */ |
dd475b5e | 57 | #endif |
1b00f90e | 58 | #define SMTP_PORT 25 /* Default SMTP port */ |
144941d9 | 59 | #define CON_TIMEOUT (5*60) /* Connection timeout per RFC5321 */ |
86e4d161 | 60 | |
1b00f90e MS |
61 | #define STARTTLS 0x002 /* StartTLS support */ |
62 | #define SECURETRANS 0x004 /* SSL/TLS in general */ | |
50c8e68a | 63 | #define NOSSL 0x008 /* Do not use SSL */ |
1b00f90e MS |
64 | #define DEFER 0x010 /* Defer mails */ |
65 | #define INSECURE 0x020 /* Allow plain login w/o encryption */ | |
8ee63931 | 66 | #define FULLBOUNCE 0x040 /* Bounce the full message */ |
4dea15f5 | 67 | #define TLS_OPP 0x080 /* Opportunistic STARTTLS */ |
1b00f90e | 68 | |
fd1de51a | 69 | #ifndef CONF_PATH |
1b00f90e | 70 | #define CONF_PATH "/etc/dma/dma.conf" /* Default path to dma.conf */ |
fd1de51a | 71 | #endif |
86e4d161 | 72 | |
c1ebccb4 SS |
73 | #ifndef LIBEXEC_PATH |
74 | #error Please define LIBEXEC_PATH | |
75 | #endif | |
76 | ||
77 | #define DMA_ROOT_USER "mail" | |
78 | #define DMA_GROUP "mail" | |
79 | ||
80 | ||
86e4d161 MS |
81 | struct stritem { |
82 | SLIST_ENTRY(stritem) next; | |
83 | char *str; | |
84 | }; | |
85 | SLIST_HEAD(strlist, stritem); | |
86 | ||
87 | struct alias { | |
88 | LIST_ENTRY(alias) next; | |
89 | char *alias; | |
90 | struct strlist dests; | |
91 | }; | |
92 | LIST_HEAD(aliases, alias); | |
93 | ||
94 | struct qitem { | |
95 | LIST_ENTRY(qitem) next; | |
96 | const char *sender; | |
97 | char *addr; | |
98 | char *queuefn; | |
fd1de51a | 99 | char *mailfn; |
86e4d161 | 100 | char *queueid; |
87bdbc01 | 101 | FILE *queuef; |
fd1de51a | 102 | FILE *mailf; |
e0a95d28 | 103 | int remote; |
86e4d161 MS |
104 | }; |
105 | LIST_HEAD(queueh, qitem); | |
106 | ||
107 | struct queue { | |
108 | struct queueh queue; | |
4d5af2b0 | 109 | char *id; |
87bdbc01 | 110 | FILE *mailf; |
86e4d161 | 111 | char *tmpf; |
057afad5 | 112 | const char *sender; |
86e4d161 MS |
113 | }; |
114 | ||
115 | struct config { | |
a0c4afa6 | 116 | const char *smarthost; |
86e4d161 | 117 | int port; |
a0c4afa6 SS |
118 | const char *aliases; |
119 | const char *spooldir; | |
a0c4afa6 SS |
120 | const char *authpath; |
121 | const char *certfile; | |
86e4d161 | 122 | int features; |
a0c4afa6 | 123 | const char *mailname; |
a0c4afa6 SS |
124 | |
125 | /* XXX does not belong into config */ | |
86e4d161 | 126 | SSL *ssl; |
86e4d161 MS |
127 | }; |
128 | ||
129 | ||
86e4d161 MS |
130 | struct authuser { |
131 | SLIST_ENTRY(authuser) next; | |
132 | char *login; | |
133 | char *password; | |
134 | char *host; | |
135 | }; | |
136 | SLIST_HEAD(authusers, authuser); | |
137 | ||
fd1de51a | 138 | |
8cbdbd34 SS |
139 | struct mx_hostentry { |
140 | char host[MAXDNAME]; | |
141 | char addr[INET6_ADDRSTRLEN]; | |
142 | int pref; | |
143 | struct addrinfo ai; | |
144 | struct sockaddr_storage sa; | |
145 | }; | |
146 | ||
147 | ||
fd1de51a | 148 | /* global variables */ |
86e4d161 | 149 | extern struct aliases aliases; |
a0c4afa6 | 150 | extern struct config config; |
fd1de51a | 151 | extern struct strlist tmpfs; |
fd1de51a | 152 | extern struct authusers authusers; |
249ee966 | 153 | extern char username[USERNAME_SIZE]; |
75fdf182 | 154 | extern uid_t useruid; |
de13a881 | 155 | extern const char *logident_base; |
86e4d161 | 156 | |
249ee966 SS |
157 | extern char neterr[ERRMSG_SIZE]; |
158 | extern char errmsg[ERRMSG_SIZE]; | |
7a73c463 | 159 | |
86e4d161 | 160 | /* aliases_parse.y */ |
fd1de51a | 161 | int yyparse(void); |
86e4d161 MS |
162 | extern FILE *yyin; |
163 | ||
164 | /* conf.c */ | |
fd1de51a | 165 | void trim_line(char *); |
a0c4afa6 | 166 | void parse_conf(const char *); |
a0c4afa6 | 167 | void parse_authfile(const char *); |
86e4d161 MS |
168 | |
169 | /* crypto.c */ | |
9b921550 | 170 | void hmac_md5(unsigned char *, int, unsigned char *, int, unsigned char *); |
4d5af2b0 SS |
171 | int smtp_auth_md5(int, char *, char *); |
172 | int smtp_init_crypto(int, int); | |
86e4d161 | 173 | |
8cbdbd34 SS |
174 | /* dns.c */ |
175 | int dns_get_mx_list(const char *, int, struct mx_hostentry **, int); | |
176 | ||
86e4d161 | 177 | /* net.c */ |
fd1de51a SS |
178 | char *ssl_errstr(void); |
179 | int read_remote(int, int, char *); | |
180 | ssize_t send_remote_command(int, const char*, ...); | |
249ee966 | 181 | int deliver_remote(struct qitem *); |
86e4d161 MS |
182 | |
183 | /* base64.c */ | |
fd1de51a SS |
184 | int base64_encode(const void *, int, char **); |
185 | int base64_decode(const char *, void *); | |
86e4d161 MS |
186 | |
187 | /* dma.c */ | |
057afad5 | 188 | int add_recp(struct queue *, const char *, int); |
28be0b96 | 189 | void run_queue(struct queue *); |
fd1de51a SS |
190 | |
191 | /* spool.c */ | |
057afad5 SS |
192 | int newspoolf(struct queue *); |
193 | int linkspool(struct queue *); | |
de13a881 | 194 | int load_queue(struct queue *); |
fd1de51a | 195 | void delqueue(struct qitem *); |
9aec6ad8 | 196 | int acquirespool(struct qitem *); |
87bdbc01 | 197 | void dropspool(struct queue *, struct qitem *); |
fd1de51a SS |
198 | |
199 | /* local.c */ | |
249ee966 | 200 | int deliver_local(struct qitem *); |
de13a881 | 201 | |
28be0b96 SS |
202 | /* mail.c */ |
203 | void bounce(struct qitem *, const char *); | |
f734c0ae | 204 | int readmail(struct queue *, int, int); |
28be0b96 | 205 | |
de13a881 SS |
206 | /* util.c */ |
207 | const char *hostname(void); | |
208 | void setlogident(const char *, ...); | |
209 | void errlog(int, const char *, ...); | |
210 | void errlogx(int, const char *, ...); | |
211 | void set_username(void); | |
212 | void deltmp(void); | |
a71122e7 | 213 | int do_timeout(int, int); |
de13a881 SS |
214 | int open_locked(const char *, int, ...); |
215 | char *rfc822date(void); | |
216 | int strprefixcmp(const char *, const char *); | |
ee613428 | 217 | void init_random(void); |
de13a881 | 218 | |
86e4d161 | 219 | #endif |