annotate src/lda/main.c @ 9159:6324a79d3ee1 HEAD

Initial commit for v2.0 master rewrite. Several features are still missing.
author Timo Sirainen <tss@iki.fi>
date Thu, 23 Apr 2009 19:53:44 -0400
parents bf448752f6c4
children 5d0a69504867
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Copyright (c) 2005-2009 Dovecot authors, see the included COPYING file */
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2
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3 #include "lib.h"
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4 #include "lib-signals.h"
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5 #include "env-util.h"
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6 #include "fd-set-nonblock.h"
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7 #include "istream.h"
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8 #include "istream-seekable.h"
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9 #include "str.h"
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10 #include "str-sanitize.h"
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11 #include "strescape.h"
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12 #include "rfc822-parser.h"
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13 #include "message-address.h"
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14 #include "imap-utf7.h"
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15 #include "settings-parser.h"
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16 #include "master-service.h"
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17 #include "master-service-settings.h"
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18 #include "mail-storage-service.h"
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19 #include "mail-namespace.h"
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20 #include "raw-storage.h"
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21 #include "mail-deliver.h"
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22 #include "mail-send.h"
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23 #include "duplicate.h"
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24 #include "mbox-from.h"
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25 #include "lda-settings.h"
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26
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27 #include <stdio.h>
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28 #include <stdlib.h>
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29 #include <pwd.h>
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30 #include <sysexits.h>
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31
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32 #ifndef EX_CONFIG
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33 # define EX_CONFIG 78 /* for HP-UX */
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34 #endif
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35
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36 #define DEFAULT_ENVELOPE_SENDER "MAILER-DAEMON"
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37
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38 /* After buffer grows larger than this, create a temporary file to /tmp
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39 where to read the mail. */
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40 #define MAIL_MAX_MEMORY_BUFFER (1024*128)
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41
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42 static const char *wanted_headers[] = {
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43 "From", "To", "Message-ID", "Subject", "Return-Path",
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44 NULL
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45 };
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46
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47 static struct master_service *service;
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48
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49 static const char *escape_local_part(const char *local_part)
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50 {
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51 const char *p;
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52
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53 /* if there are non-atext chars, we need to return quoted-string */
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54 for (p = local_part; *p != '\0'; p++) {
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55 if (!IS_ATEXT(*p)) {
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56 return t_strdup_printf("\"%s\"",
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57 str_escape(local_part));
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58 }
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59 }
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60 return local_part;
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61 }
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62
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63 static const char *address_sanitize(const char *address)
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64 {
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65 struct message_address *addr;
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66 const char *ret, *mailbox;
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67 pool_t pool;
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68
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69 pool = pool_alloconly_create("address sanitizer", 256);
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70 addr = message_address_parse(pool, (const unsigned char *)address,
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71 strlen(address), 1, FALSE);
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72
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73 if (addr == NULL || addr->mailbox == NULL || addr->domain == NULL ||
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74 *addr->mailbox == '\0')
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75 ret = DEFAULT_ENVELOPE_SENDER;
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76 else {
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77 mailbox = escape_local_part(addr->mailbox);
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78 if (*addr->domain == '\0')
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79 ret = t_strdup(mailbox);
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80 else
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81 ret = t_strdup_printf("%s@%s", mailbox, addr->domain);
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82 }
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83 pool_unref(&pool);
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84 return ret;
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85 }
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86
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87
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88 static struct istream *
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89 create_raw_stream(struct mail_deliver_context *ctx,
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90 const char *temp_path_prefix, int fd, time_t *mtime_r)
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91 {
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92 struct istream *input, *input2, *input_list[2];
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93 const unsigned char *data;
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94 char *sender = NULL;
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95 size_t i, size;
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96 int ret, tz;
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97
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98 *mtime_r = (time_t)-1;
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99 fd_set_nonblock(fd, FALSE);
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100
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101 input = i_stream_create_fd(fd, 4096, FALSE);
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102 input->blocking = TRUE;
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103 /* If input begins with a From-line, drop it */
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104 ret = i_stream_read_data(input, &data, &size, 5);
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105 if (ret > 0 && size >= 5 && memcmp(data, "From ", 5) == 0) {
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106 /* skip until the first LF */
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107 i_stream_skip(input, 5);
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108 while ((ret = i_stream_read_data(input, &data, &size, 0)) > 0) {
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109 for (i = 0; i < size; i++) {
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110 if (data[i] == '\n')
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111 break;
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112 }
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113 if (i != size) {
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114 (void)mbox_from_parse(data, i, mtime_r, &tz,
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115 &sender);
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116 i_stream_skip(input, i + 1);
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117 break;
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118 }
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119 i_stream_skip(input, size);
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120 }
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121 }
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122
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123 if (sender != NULL && ctx->src_envelope_sender == NULL) {
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diff changeset
124 /* use the envelope sender from From_-line, but only if it
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
125 hasn't been specified with -f already. */
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
126 ctx->src_envelope_sender = p_strdup(ctx->pool, sender);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
127 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
128 i_free(sender);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
129
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
130 if (input->v_offset == 0) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
131 input2 = input;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
132 i_stream_ref(input2);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
133 } else {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
134 input2 = i_stream_create_limit(input, (uoff_t)-1);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
135 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
136 i_stream_unref(&input);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
137
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
138 input_list[0] = input2; input_list[1] = NULL;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
139 input = i_stream_create_seekable(input_list, MAIL_MAX_MEMORY_BUFFER,
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
140 temp_path_prefix);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
141 i_stream_unref(&input2);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
142 return input;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
143 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
144
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
145 static void failure_exit_callback(int *status)
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
146 {
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
147 /* we want all our exit codes to be sysexits.h compatible.
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
148 if we failed because of a logging related error, we most likely
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
149 aren't writing to stderr, so try writing there to give some kind of
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
150 a clue what's wrong. FATAL_LOGOPEN failure already wrote to
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
151 stderr, so don't duplicate it. */
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
152 switch (*status) {
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
153 case FATAL_LOGWRITE:
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
154 fputs("Failed to write to log file", stderr);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
155 break;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
156 case FATAL_LOGERROR:
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
157 fputs("Internal logging error", stderr);
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
158 break;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
159 case FATAL_LOGOPEN:
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
160 case FATAL_OUTOFMEM:
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
161 case FATAL_EXEC:
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
162 case FATAL_DEFAULT:
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
163 break;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
164 default:
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
165 return;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
166 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
167 *status = EX_TEMPFAIL;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
168 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
169
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
170 static void print_help(void)
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
171 {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
172 printf(
9103
5c12eac2c3ca s/deliver/lda/
Timo Sirainen <tss@iki.fi>
parents: 9092
diff changeset
173 "Usage: dovecot-lda [-c <config file>] [-a <address>] [-d <username>] [-p <path>]\n"
5c12eac2c3ca s/deliver/lda/
Timo Sirainen <tss@iki.fi>
parents: 9092
diff changeset
174 " [-f <envelope sender>] [-m <mailbox>] [-e] [-k]\n");
9092
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
175 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
176
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
177 int main(int argc, char *argv[])
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
178 {
9106
fce3926fe910 mail_storage_service_init*() can now take multiple set_roots.
Timo Sirainen <tss@iki.fi>
parents: 9103
diff changeset
179 const struct setting_parser_info *set_roots[] = {
fce3926fe910 mail_storage_service_init*() can now take multiple set_roots.
Timo Sirainen <tss@iki.fi>
parents: 9103
diff changeset
180 &lda_setting_parser_info,
fce3926fe910 mail_storage_service_init*() can now take multiple set_roots.
Timo Sirainen <tss@iki.fi>
parents: 9103
diff changeset
181 NULL
fce3926fe910 mail_storage_service_init*() can now take multiple set_roots.
Timo Sirainen <tss@iki.fi>
parents: 9103
diff changeset
182 };
9092
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
183 struct mail_deliver_context ctx;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
184 enum mail_storage_service_flags service_flags = 0;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
185 const char *user, *errstr, *path, *getopt_str;
9147
bf448752f6c4 Pass remote/local IPs to mail_users. Standalone mail programs now log with mail_log_prefix.
Timo Sirainen <tss@iki.fi>
parents: 9117
diff changeset
186 struct mail_storage_service_input service_input;
9092
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
187 struct mail_user *raw_mail_user;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
188 struct mail_namespace *raw_ns;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
189 struct mail_namespace_settings raw_ns_set;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
190 struct mail_storage *storage;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
191 struct mailbox *box;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
192 struct raw_mailbox *raw_box;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
193 struct istream *input;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
194 struct mailbox_transaction_context *t;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
195 struct mailbox_header_lookup_ctx *headers_ctx;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
196 char cwd[PATH_MAX];
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
197 void **sets;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
198 uid_t process_euid;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
199 bool stderr_rejection = FALSE;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
200 time_t mtime;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
201 int ret, c;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
202 string_t *str;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
203 enum mail_error error;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
204
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
205 if (getuid() != geteuid() && geteuid() == 0) {
9103
5c12eac2c3ca s/deliver/lda/
Timo Sirainen <tss@iki.fi>
parents: 9092
diff changeset
206 /* running setuid - don't allow this if the binary is
9092
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
207 executable by anyone */
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
208 struct stat st;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
209
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
210 if (stat(argv[0], &st) < 0) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
211 fprintf(stderr, "stat(%s) failed: %s\n",
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
212 argv[0], strerror(errno));
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
213 return EX_CONFIG;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
214 } else if ((st.st_mode & 1) != 0) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
215 fprintf(stderr, "%s must not be both world-executable "
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
216 "and setuid-root. This allows root exploits. "
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
217 "See http://wiki.dovecot.org/LDA#multipleuids\n",
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
218 argv[0]);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
219 return EX_CONFIG;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
220 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
221 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
222
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
223 i_set_failure_exit_callback(failure_exit_callback);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
224
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
225 service = master_service_init("lda", MASTER_SERVICE_FLAG_STANDALONE,
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
226 argc, argv);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
227
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
228 memset(&ctx, 0, sizeof(ctx));
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
229 ctx.pool = pool_alloconly_create("mail deliver context", 256);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
230 ctx.dest_mailbox_name = "INBOX";
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
231 path = NULL;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
232
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
233 user = getenv("USER");
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
234 getopt_str = t_strconcat("a:d:p:ekm:nsf:",
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
235 master_service_getopt_string(), NULL);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
236 while ((c = getopt(argc, argv, getopt_str)) > 0) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
237 switch (c) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
238 case 'a':
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
239 /* destination address */
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
240 ctx.dest_addr = optarg;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
241 break;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
242 case 'd':
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
243 /* destination user */
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
244 user = optarg;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
245 service_flags |= MAIL_STORAGE_SERVICE_FLAG_USERDB_LOOKUP;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
246 break;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
247 case 'p':
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
248 /* input path */
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
249 path = optarg;
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parents:
diff changeset
250 if (*path != '/') {
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parents:
diff changeset
251 /* expand relative paths before we chdir */
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diff changeset
252 if (getcwd(cwd, sizeof(cwd)) == NULL)
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parents:
diff changeset
253 i_fatal("getcwd() failed: %m");
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diff changeset
254 path = t_strconcat(cwd, "/", path, NULL);
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diff changeset
255 }
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parents:
diff changeset
256 break;
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parents:
diff changeset
257 case 'e':
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parents:
diff changeset
258 stderr_rejection = TRUE;
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parents:
diff changeset
259 break;
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diff changeset
260 case 'm':
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
261 /* destination mailbox.
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
262 Ignore -m "". This allows doing -m ${extension}
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
263 in Postfix to handle user+mailbox */
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parents:
diff changeset
264 if (*optarg != '\0') T_BEGIN {
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parents:
diff changeset
265 str = t_str_new(256);
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parents:
diff changeset
266 if (imap_utf8_to_utf7(optarg, str) < 0) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
267 i_fatal("Mailbox name not UTF-8: %s",
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parents:
diff changeset
268 optarg);
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parents:
diff changeset
269 }
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parents:
diff changeset
270 ctx.dest_mailbox_name =
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parents:
diff changeset
271 p_strdup(ctx.pool, str_c(str));
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parents:
diff changeset
272 } T_END;
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diff changeset
273 break;
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parents:
diff changeset
274 case 'f':
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parents:
diff changeset
275 /* envelope sender address */
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diff changeset
276 ctx.src_envelope_sender =
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diff changeset
277 p_strdup(ctx.pool, address_sanitize(optarg));
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parents:
diff changeset
278 break;
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diff changeset
279 default:
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diff changeset
280 if (!master_service_parse_option(service, c, optarg)) {
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diff changeset
281 print_help();
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diff changeset
282 exit(EX_USAGE);
9092
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diff changeset
283 }
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diff changeset
284 break;
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diff changeset
285 }
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diff changeset
286 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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diff changeset
287 if (optind != argc) {
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parents:
diff changeset
288 print_help();
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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diff changeset
289 i_fatal_status(EX_USAGE, "Unknown argument: %s", argv[optind]);
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diff changeset
290 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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diff changeset
291
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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diff changeset
292 process_euid = geteuid();
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
293 if ((service_flags & MAIL_STORAGE_SERVICE_FLAG_USERDB_LOOKUP) != 0)
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
294 ;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
295 else if (process_euid != 0) {
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parents:
diff changeset
296 /* we're non-root. get our username and possibly our home. */
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parents:
diff changeset
297 struct passwd *pw;
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diff changeset
298 const char *home;
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diff changeset
299
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Timo Sirainen <tss@iki.fi>
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diff changeset
300 home = getenv("HOME");
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parents:
diff changeset
301 if (user != NULL && home != NULL) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
302 /* no need for a pw lookup */
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
303 } else if ((pw = getpwuid(process_euid)) != NULL) {
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parents:
diff changeset
304 user = t_strdup(pw->pw_name);
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parents:
diff changeset
305 if (home == NULL)
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
306 env_put(t_strconcat("HOME=", pw->pw_dir, NULL));
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
307 } else if (user == NULL) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
308 i_fatal_status(EX_USAGE,
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
309 "Couldn't lookup our username (uid=%s)",
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parents:
diff changeset
310 dec2str(process_euid));
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parents:
diff changeset
311 }
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
312 } else {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
313 i_fatal_status(EX_USAGE,
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
314 "destination user parameter (-d user) not given");
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parents:
diff changeset
315 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
316
9147
bf448752f6c4 Pass remote/local IPs to mail_users. Standalone mail programs now log with mail_log_prefix.
Timo Sirainen <tss@iki.fi>
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diff changeset
317 memset(&service_input, 0, sizeof(service_input));
bf448752f6c4 Pass remote/local IPs to mail_users. Standalone mail programs now log with mail_log_prefix.
Timo Sirainen <tss@iki.fi>
parents: 9117
diff changeset
318 service_input.username = user;
bf448752f6c4 Pass remote/local IPs to mail_users. Standalone mail programs now log with mail_log_prefix.
Timo Sirainen <tss@iki.fi>
parents: 9117
diff changeset
319
9092
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
320 service_flags |= MAIL_STORAGE_SERVICE_FLAG_DISALLOW_ROOT;
9147
bf448752f6c4 Pass remote/local IPs to mail_users. Standalone mail programs now log with mail_log_prefix.
Timo Sirainen <tss@iki.fi>
parents: 9117
diff changeset
321 ctx.dest_user = mail_storage_service_init_user(service, &service_input,
bf448752f6c4 Pass remote/local IPs to mail_users. Standalone mail programs now log with mail_log_prefix.
Timo Sirainen <tss@iki.fi>
parents: 9117
diff changeset
322 set_roots,
9106
fce3926fe910 mail_storage_service_init*() can now take multiple set_roots.
Timo Sirainen <tss@iki.fi>
parents: 9103
diff changeset
323 service_flags);
9159
6324a79d3ee1 Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents: 9147
diff changeset
324 #ifdef SIGXFSZ
6324a79d3ee1 Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents: 9147
diff changeset
325 lib_signals_ignore(SIGXFSZ, TRUE);
6324a79d3ee1 Initial commit for v2.0 master rewrite. Several features are still missing.
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parents: 9147
diff changeset
326 #endif
9092
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
327 ctx.set = mail_storage_service_get_settings(service);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
328 duplicate_init(mail_user_set_get_storage_set(ctx.dest_user->set));
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
329
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
330 /* create a separate mail user for the internal namespace */
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
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parents:
diff changeset
331 if (master_service_set(service, "mail_full_filesystem_access=yes") < 0)
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
332 i_unreached();
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
333 sets = master_service_settings_get_others(service);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
334 raw_mail_user = mail_user_alloc(user, sets[0]);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
335 mail_user_set_home(raw_mail_user, "/");
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
336 if (mail_user_init(raw_mail_user, &errstr) < 0)
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
337 i_fatal("Raw user initialization failed: %s", errstr);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
338
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
339 memset(&raw_ns_set, 0, sizeof(raw_ns_set));
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
340 raw_ns_set.location = "/tmp";
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
341
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
342 raw_ns = mail_namespaces_init_empty(raw_mail_user);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
343 raw_ns->flags |= NAMESPACE_FLAG_INTERNAL;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
344 raw_ns->set = &raw_ns_set;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
345 if (mail_storage_create(raw_ns, "raw", 0, &errstr) < 0)
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
346 i_fatal("Couldn't create internal raw storage: %s", errstr);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
347 if (path == NULL) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
348 const char *prefix = mail_user_get_temp_prefix(ctx.dest_user);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
349 input = create_raw_stream(&ctx, prefix, 0, &mtime);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
350 box = mailbox_open(&raw_ns->storage, "Dovecot Delivery Mail",
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
351 input, MAILBOX_OPEN_NO_INDEX_FILES);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
352 i_stream_unref(&input);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
353 } else {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
354 mtime = (time_t)-1;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
355 box = mailbox_open(&raw_ns->storage, path, NULL,
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
356 MAILBOX_OPEN_NO_INDEX_FILES);
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
357 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
358 if (box == NULL) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
359 i_fatal("Can't open delivery mail as raw: %s",
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
360 mail_storage_get_last_error(raw_ns->storage, &error));
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
361 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
362 if (mailbox_sync(box, 0, 0, NULL) < 0) {
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
363 i_fatal("Can't sync delivery mail: %s",
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
364 mail_storage_get_last_error(raw_ns->storage, &error));
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
365 }
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
366 raw_box = (struct raw_mailbox *)box;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
367 raw_box->envelope_sender = ctx.src_envelope_sender != NULL ?
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
368 ctx.src_envelope_sender : DEFAULT_ENVELOPE_SENDER;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
369 raw_box->mtime = mtime;
e4832f128738 Renamed deliver to dovecot-lda and moved most of its code to lib-lda.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
370
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371 t = mailbox_transaction_begin(box, 0);
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372 headers_ctx = mailbox_header_lookup_init(box, wanted_headers);
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373 ctx.src_mail = mail_alloc(t, 0, headers_ctx);
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374 mailbox_header_lookup_unref(&headers_ctx);
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375 mail_set_seq(ctx.src_mail, 1);
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376
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377 if (ctx.dest_addr == NULL) {
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378 ctx.dest_addr = mail_deliver_get_address(&ctx, "Envelope-To");
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379 if (ctx.dest_addr == NULL) {
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380 ctx.dest_addr = strchr(user, '@') != NULL ? user :
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381 t_strconcat(user, "@", ctx.set->hostname, NULL);
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382 }
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383 }
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384
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385 if (mail_deliver(&ctx, &storage) < 0) {
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386 if (storage == NULL) {
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387 /* This shouldn't happen */
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388 i_error("BUG: Saving failed to unknown storage");
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389 return EX_TEMPFAIL;
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390 }
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391
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392 errstr = mail_storage_get_last_error(storage, &error);
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393
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394 if (stderr_rejection) {
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395 /* write to stderr also for tempfails so that MTA
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396 can log the reason if it wants to. */
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397 fprintf(stderr, "%s\n", errstr);
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398 }
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399
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400 if (error != MAIL_ERROR_NOSPACE ||
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401 ctx.set->quota_full_tempfail) {
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402 /* Saving to INBOX should always work unless
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403 we're over quota. If it didn't, it's probably a
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diff changeset
404 configuration problem. */
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405 return EX_TEMPFAIL;
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406 }
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407
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408 /* we'll have to reply with permanent failure */
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409 mail_deliver_log(&ctx, "rejected: %s",
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diff changeset
410 str_sanitize(errstr, 512));
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411
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diff changeset
412 if (stderr_rejection)
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413 return EX_NOPERM;
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414 ret = mail_send_rejection(&ctx, user, errstr);
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diff changeset
415 if (ret != 0)
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416 return ret < 0 ? EX_TEMPFAIL : ret;
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parents:
diff changeset
417 /* ok, rejection sent */
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418 }
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parents:
diff changeset
419
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diff changeset
420 mail_free(&ctx.src_mail);
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diff changeset
421 mailbox_transaction_rollback(&t);
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diff changeset
422 mailbox_close(&box);
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parents:
diff changeset
423
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diff changeset
424 mail_user_unref(&ctx.dest_user);
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diff changeset
425 mail_user_unref(&raw_mail_user);
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diff changeset
426 duplicate_deinit();
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diff changeset
427 pool_unref(&ctx.pool);
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diff changeset
428
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parents:
diff changeset
429 mail_storage_service_deinit_user();
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parents:
diff changeset
430 master_service_deinit(&service);
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parents:
diff changeset
431 return EX_OK;
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parents:
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432 }