annotate src/lib-storage/index/dbox-common/dbox-file.c @ 10683:9c68c8d42ff2 HEAD

mdbox: Saving now closes newly created files if they become full. Newly created files also aren't locked anymore, they're not visible to others anyway until map index is updated.
author Timo Sirainen <tss@iki.fi>
date Tue, 09 Feb 2010 18:54:34 +0200
parents c60910419861
children 19df4309e389
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10582
615eef3139c2 Updated copyright notices to include year 2010.
Timo Sirainen <tss@iki.fi>
parents: 10524
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1 /* Copyright (c) 2007-2010 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 "ioloop.h"
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5 #include "array.h"
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6 #include "hex-dec.h"
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7 #include "hex-binary.h"
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8 #include "hostpid.h"
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9 #include "istream.h"
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10 #include "ostream.h"
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11 #include "file-lock.h"
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12 #include "mkdir-parents.h"
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13 #include "fdatasync-path.h"
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14 #include "eacces-error.h"
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15 #include "str.h"
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16 #include "dbox-storage.h"
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17 #include "dbox-file.h"
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18
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19 #include <stdio.h>
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20 #include <stdlib.h>
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21 #include <unistd.h>
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22 #include <ctype.h>
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23 #include <fcntl.h>
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24
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25 #define DBOX_READ_BLOCK_SIZE 4096
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26
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27 const char *dbox_generate_tmp_filename(void)
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28 {
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29 static unsigned int create_count = 0;
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30
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31 return t_strdup_printf("temp.%lu.P%sQ%uM%u.%s",
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32 (unsigned long)ioloop_timeval.tv_sec, my_pid,
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33 create_count++,
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34 (unsigned int)ioloop_timeval.tv_usec,
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35 my_hostname);
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36 }
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37
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38 void dbox_file_set_syscall_error(struct dbox_file *file, const char *function)
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39 {
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40 mail_storage_set_critical(&file->storage->storage,
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41 "%s failed for file %s: %m",
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42 function, file->cur_path);
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43 }
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44
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45 void dbox_file_set_corrupted(struct dbox_file *file, const char *reason, ...)
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46 {
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47 va_list args;
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48
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49 file->storage->files_corrupted = TRUE;
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50
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51 va_start(args, reason);
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52 mail_storage_set_critical(&file->storage->storage,
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53 "Corrupted dbox file %s (around offset=%"PRIuUOFF_T"): %s",
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54 file->cur_path, file->input == NULL ? 0 : file->input->v_offset,
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55 t_strdup_vprintf(reason, args));
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56 va_end(args);
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57 }
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58
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59 void dbox_file_init(struct dbox_file *file)
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60 {
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61 file->refcount = 1;
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62 file->fd = -1;
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63 file->cur_offset = (uoff_t)-1;
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64 file->cur_path = file->primary_path;
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65 }
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66
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67 void dbox_file_free(struct dbox_file *file)
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68 {
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69 i_assert(file->refcount == 0);
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70
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71 if (file->metadata_pool != NULL)
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72 pool_unref(&file->metadata_pool);
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73 dbox_file_close(file);
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74 i_free(file->primary_path);
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75 i_free(file->alt_path);
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76 i_free(file);
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77 }
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78
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79 void dbox_file_unref(struct dbox_file **_file)
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80 {
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81 struct dbox_file *file = *_file;
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82
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83 *_file = NULL;
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84
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85 i_assert(file->refcount > 0);
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86 if (--file->refcount == 0)
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87 file->storage->v.file_unrefed(file);
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88 }
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89
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90 static int dbox_file_parse_header(struct dbox_file *file, const char *line)
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91 {
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92 const char *const *tmp, *value;
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93 unsigned int pos;
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94 enum dbox_header_key key;
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95
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96 file->file_version = *line - '0';
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97 if (!i_isdigit(line[0]) || line[1] != ' ' ||
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98 (file->file_version != 1 && file->file_version != DBOX_VERSION)) {
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99 dbox_file_set_corrupted(file, "Invalid dbox version");
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100 return -1;
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101 }
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102 line += 2;
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103 pos = 2;
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104
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105 file->msg_header_size = 0;
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106
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107 for (tmp = t_strsplit(line, " "); *tmp != NULL; tmp++) {
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108 key = **tmp;
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109 value = *tmp + 1;
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110
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111 switch (key) {
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112 case DBOX_HEADER_OLDV1_APPEND_OFFSET:
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113 break;
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114 case DBOX_HEADER_MSG_HEADER_SIZE:
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115 file->msg_header_size = strtoul(value, NULL, 16);
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116 break;
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117 case DBOX_HEADER_CREATE_STAMP:
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118 file->create_time = strtoul(value, NULL, 16);
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119 break;
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120 }
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121 pos += strlen(value) + 2;
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122 }
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parents:
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123
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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diff changeset
124 if (file->msg_header_size == 0) {
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125 dbox_file_set_corrupted(file, "Missing message header size");
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126 return -1;
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127 }
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128 return 0;
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129 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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130
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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131 static int dbox_file_read_header(struct dbox_file *file)
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132 {
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133 const char *line;
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Timo Sirainen <tss@iki.fi>
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diff changeset
134 unsigned int hdr_size;
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135 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
136
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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diff changeset
137 i_stream_seek(file->input, 0);
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138 line = i_stream_read_next_line(file->input);
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139 if (line == NULL) {
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diff changeset
140 if (file->input->stream_errno == 0) {
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
141 dbox_file_set_corrupted(file,
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142 "EOF while reading file header");
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143 return 0;
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144 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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145
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
146 dbox_file_set_syscall_error(file, "read()");
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147 return -1;
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148 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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149 hdr_size = file->input->v_offset;
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diff changeset
150 T_BEGIN {
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diff changeset
151 ret = dbox_file_parse_header(file, line) < 0 ? 0 : 1;
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152 } T_END;
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Timo Sirainen <tss@iki.fi>
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153 if (ret > 0)
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Timo Sirainen <tss@iki.fi>
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diff changeset
154 file->file_header_size = hdr_size;
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155 return ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
156 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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157
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158 static int dbox_file_open_fd(struct dbox_file *file, bool try_altpath)
9977
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159 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
160 const char *path;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
161 bool alt = FALSE;
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Timo Sirainen <tss@iki.fi>
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diff changeset
162
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
163 /* try the primary path first */
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164 path = file->primary_path;
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diff changeset
165 while ((file->fd = open(path, O_RDWR)) == -1) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
166 if (errno != ENOENT) {
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
167 mail_storage_set_critical(&file->storage->storage,
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Timo Sirainen <tss@iki.fi>
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diff changeset
168 "open(%s) failed: %m", path);
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diff changeset
169 return -1;
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diff changeset
170 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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diff changeset
171
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172 if (file->alt_path == NULL || alt || !try_altpath) {
9977
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Timo Sirainen <tss@iki.fi>
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diff changeset
173 /* not found */
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Timo Sirainen <tss@iki.fi>
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diff changeset
174 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
175 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
176
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
177 /* try the alternative path */
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diff changeset
178 path = file->alt_path;
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diff changeset
179 alt = TRUE;
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diff changeset
180 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
181 file->cur_path = path;
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parents:
diff changeset
182 return 1;
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Timo Sirainen <tss@iki.fi>
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diff changeset
183 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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diff changeset
184
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diff changeset
185 static int dbox_file_open_full(struct dbox_file *file, bool try_altpath,
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diff changeset
186 bool *notfound_r)
9977
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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diff changeset
187 {
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diff changeset
188 int ret;
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diff changeset
189
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diff changeset
190 *notfound_r = FALSE;
9977
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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diff changeset
191 if (file->input != NULL)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
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parents:
diff changeset
192 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
193
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
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diff changeset
194 if (file->fd == -1) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
195 T_BEGIN {
10635
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diff changeset
196 ret = dbox_file_open_fd(file, try_altpath);
9977
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
197 } T_END;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
198 if (ret <= 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
199 if (ret < 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
200 return -1;
10635
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diff changeset
201 *notfound_r = TRUE;
9977
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
202 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
203 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
204 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
205
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
206 file->input = i_stream_create_fd(file->fd, 0, FALSE);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
207 i_stream_set_init_buffer_size(file->input, DBOX_READ_BLOCK_SIZE);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
208 return dbox_file_read_header(file);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
209 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
210
10635
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parents: 10582
diff changeset
211 int dbox_file_open(struct dbox_file *file, bool *deleted_r)
c60910419861 mdbox: Purging now also moves mails to alt storage (if it's used).
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parents: 10582
diff changeset
212 {
c60910419861 mdbox: Purging now also moves mails to alt storage (if it's used).
Timo Sirainen <tss@iki.fi>
parents: 10582
diff changeset
213 return dbox_file_open_full(file, TRUE, deleted_r);
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diff changeset
214 }
c60910419861 mdbox: Purging now also moves mails to alt storage (if it's used).
Timo Sirainen <tss@iki.fi>
parents: 10582
diff changeset
215
c60910419861 mdbox: Purging now also moves mails to alt storage (if it's used).
Timo Sirainen <tss@iki.fi>
parents: 10582
diff changeset
216 int dbox_file_open_primary(struct dbox_file *file, bool *notfound_r)
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diff changeset
217 {
c60910419861 mdbox: Purging now also moves mails to alt storage (if it's used).
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parents: 10582
diff changeset
218 return dbox_file_open_full(file, FALSE, notfound_r);
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diff changeset
219 }
c60910419861 mdbox: Purging now also moves mails to alt storage (if it's used).
Timo Sirainen <tss@iki.fi>
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diff changeset
220
9977
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
221 int dbox_file_header_write(struct dbox_file *file, struct ostream *output)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
222 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
223 string_t *hdr;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
224
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
225 hdr = t_str_new(128);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
226 str_printfa(hdr, "%u %c%x %c%x\n", DBOX_VERSION,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
227 DBOX_HEADER_MSG_HEADER_SIZE,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
228 (unsigned int)sizeof(struct dbox_message_header),
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
229 DBOX_HEADER_CREATE_STAMP, (unsigned int)ioloop_time);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
230
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
231 file->file_version = DBOX_VERSION;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
232 file->file_header_size = str_len(hdr);
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
233 file->msg_header_size = sizeof(struct dbox_message_header);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
234 return o_stream_send(output, str_data(hdr), str_len(hdr));
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
235 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
236
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
237 void dbox_file_close(struct dbox_file *file)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
238 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
239 dbox_file_unlock(file);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
240 if (file->input != NULL)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
241 i_stream_unref(&file->input);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
242 if (file->fd != -1) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
243 if (close(file->fd) < 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
244 dbox_file_set_syscall_error(file, "close()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
245 file->fd = -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
246 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
247 file->cur_offset = (uoff_t)-1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
248 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
249
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
250 int dbox_file_try_lock(struct dbox_file *file)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
251 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
252 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
253
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
254 i_assert(file->fd != -1);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
255
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
256 ret = file_try_lock(file->fd, file->cur_path, F_WRLCK,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
257 FILE_LOCK_METHOD_FCNTL, &file->lock);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
258 if (ret < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
259 mail_storage_set_critical(&file->storage->storage,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
260 "file_try_lock(%s) failed: %m", file->cur_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
261 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
262 return ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
263 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
264
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
265 void dbox_file_unlock(struct dbox_file *file)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
266 {
10683
9c68c8d42ff2 mdbox: Saving now closes newly created files if they become full.
Timo Sirainen <tss@iki.fi>
parents: 10635
diff changeset
267 i_assert(!file->appending || file->lock == NULL);
9977
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
268
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
269 if (file->lock != NULL)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
270 file_unlock(&file->lock);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
271 if (file->input != NULL)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
272 i_stream_sync(file->input);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
273 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
274
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
275 int dbox_file_read_mail_header(struct dbox_file *file, uoff_t *physical_size_r)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
276 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
277 struct dbox_message_header hdr;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
278 const unsigned char *data;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
279 size_t size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
280 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
281
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
282 ret = i_stream_read_data(file->input, &data, &size,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
283 file->msg_header_size - 1);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
284 if (ret <= 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
285 if (file->input->stream_errno == 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
286 /* EOF, broken offset or file truncated */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
287 dbox_file_set_corrupted(file, "EOF reading msg header "
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
288 "(got %"PRIuSIZE_T"/%u bytes)",
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
289 size, file->msg_header_size);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
290 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
291 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
292 dbox_file_set_syscall_error(file, "read()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
293 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
294 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
295 memcpy(&hdr, data, I_MIN(sizeof(hdr), file->msg_header_size));
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
296 if (memcmp(hdr.magic_pre, DBOX_MAGIC_PRE, sizeof(hdr.magic_pre)) != 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
297 /* probably broken offset */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
298 dbox_file_set_corrupted(file, "msg header has bad magic value");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
299 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
300 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
301
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
302 if (data[file->msg_header_size-1] != '\n') {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
303 dbox_file_set_corrupted(file, "msg header doesn't end with LF");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
304 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
305 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
306
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
307 *physical_size_r = hex2dec(hdr.message_size_hex,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
308 sizeof(hdr.message_size_hex));
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
309 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
310 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
311
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
312 int dbox_file_get_mail_stream(struct dbox_file *file, uoff_t offset,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
313 uoff_t *physical_size_r,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
314 struct istream **stream_r)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
315 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
316 uoff_t size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
317 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
318
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
319 i_assert(file->input != NULL);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
320
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
321 if (offset == 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
322 offset = file->file_header_size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
323
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
324 if (offset != file->cur_offset) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
325 i_stream_seek(file->input, offset);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
326 ret = dbox_file_read_mail_header(file, &size);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
327 if (ret <= 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
328 return ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
329 file->cur_offset = offset;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
330 file->cur_physical_size = size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
331 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
332 i_stream_seek(file->input, offset + file->msg_header_size);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
333 if (stream_r != NULL) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
334 *stream_r = i_stream_create_limit(file->input,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
335 file->cur_physical_size);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
336 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
337 *physical_size_r = file->cur_physical_size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
338 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
339 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
340
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
341 static int
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
342 dbox_file_seek_next_at_metadata(struct dbox_file *file, uoff_t *offset)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
343 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
344 const char *line;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
345 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
346
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
347 i_stream_seek(file->input, *offset);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
348 if ((ret = dbox_file_metadata_skip_header(file)) <= 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
349 return ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
350
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
351 /* skip over the actual metadata */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
352 while ((line = i_stream_read_next_line(file->input)) != NULL) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
353 if (*line == DBOX_METADATA_OLDV1_SPACE || *line == '\0') {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
354 /* end of metadata */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
355 break;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
356 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
357 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
358 *offset = file->input->v_offset;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
359 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
360 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
361
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
362 void dbox_file_seek_rewind(struct dbox_file *file)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
363 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
364 file->cur_offset = (uoff_t)-1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
365 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
366
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
367 int dbox_file_seek_next(struct dbox_file *file, uoff_t *offset_r, bool *last_r)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
368 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
369 uoff_t offset, size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
370 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
371
10524
824b7072c6d9 dbox: Added assert.
Timo Sirainen <tss@iki.fi>
parents: 9977
diff changeset
372 i_assert(file->input != NULL);
824b7072c6d9 dbox: Added assert.
Timo Sirainen <tss@iki.fi>
parents: 9977
diff changeset
373
9977
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
374 if (file->cur_offset == (uoff_t)-1) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
375 /* first mail. we may not have read the file at all yet,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
376 so set the offset afterwards. */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
377 offset = 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
378 } else {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
379 offset = file->cur_offset + file->msg_header_size +
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
380 file->cur_physical_size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
381 if ((ret = dbox_file_seek_next_at_metadata(file, &offset)) <= 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
382 *offset_r = file->cur_offset;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
383 return ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
384 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
385 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
386 *offset_r = offset;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
387
10524
824b7072c6d9 dbox: Added assert.
Timo Sirainen <tss@iki.fi>
parents: 9977
diff changeset
388 if (i_stream_is_eof(file->input)) {
9977
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
389 *last_r = TRUE;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
390 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
391 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
392 *last_r = FALSE;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
393
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
394 ret = dbox_file_get_mail_stream(file, offset, &size, NULL);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
395 if (*offset_r == 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
396 *offset_r = file->file_header_size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
397 return ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
398 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
399
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
400 struct dbox_file_append_context *dbox_file_append_init(struct dbox_file *file)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
401 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
402 struct dbox_file_append_context *ctx;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
403
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
404 i_assert(!file->appending);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
405
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
406 file->appending = TRUE;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
407
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
408 ctx = i_new(struct dbox_file_append_context, 1);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
409 ctx->file = file;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
410 if (file->fd != -1) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
411 ctx->output = o_stream_create_fd_file(file->fd, 0, FALSE);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
412 o_stream_cork(ctx->output);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
413 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
414 return ctx;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
415 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
416
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
417 int dbox_file_append_commit(struct dbox_file_append_context **_ctx)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
418 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
419 struct dbox_file_append_context *ctx = *_ctx;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
420 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
421
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
422 i_assert(ctx->file->appending);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
423
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
424 *_ctx = NULL;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
425
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
426 ret = dbox_file_append_flush(ctx);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
427 o_stream_unref(&ctx->output);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
428 ctx->file->appending = FALSE;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
429 i_free(ctx);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
430 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
431 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
432
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
433 void dbox_file_append_rollback(struct dbox_file_append_context **_ctx)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
434 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
435 struct dbox_file_append_context *ctx = *_ctx;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
436 struct dbox_file *file = ctx->file;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
437 bool close_file = FALSE;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
438
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
439 i_assert(ctx->file->appending);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
440
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
441 *_ctx = NULL;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
442 if (ctx->first_append_offset == 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
443 /* nothing changed */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
444 } else if (ctx->first_append_offset == file->file_header_size) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
445 /* rollbacking everything */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
446 if (unlink(file->cur_path) < 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
447 dbox_file_set_syscall_error(file, "unlink()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
448 close_file = TRUE;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
449 } else {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
450 /* truncating only some mails */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
451 o_stream_close(ctx->output);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
452 if (ftruncate(file->fd, ctx->first_append_offset) < 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
453 dbox_file_set_syscall_error(file, "ftruncate()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
454 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
455 if (ctx->output != NULL)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
456 o_stream_unref(&ctx->output);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
457 i_free(ctx);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
458
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
459 if (close_file)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
460 dbox_file_close(file);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
461 file->appending = FALSE;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
462 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
463
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
464 int dbox_file_append_flush(struct dbox_file_append_context *ctx)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
465 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
466 if (ctx->last_flush_offset == ctx->output->offset)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
467 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
468
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
469 if (o_stream_flush(ctx->output) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
470 dbox_file_set_syscall_error(ctx->file, "write()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
471 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
472 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
473
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
474 if (!ctx->file->storage->storage.set->fsync_disable) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
475 if (fdatasync(ctx->file->fd) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
476 dbox_file_set_syscall_error(ctx->file, "fdatasync()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
477 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
478 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
479 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
480 ctx->last_flush_offset = ctx->output->offset;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
481 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
482 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
483
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
484 int dbox_file_get_append_stream(struct dbox_file_append_context *ctx,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
485 struct ostream **output_r)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
486 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
487 struct dbox_file *file = ctx->file;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
488 struct stat st;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
489
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
490 if (ctx->output == NULL) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
491 /* file creation had failed */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
492 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
493 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
494
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
495 if (file->file_version == 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
496 /* newly created file, write the file header */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
497 if (dbox_file_header_write(file, ctx->output) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
498 dbox_file_set_syscall_error(file, "write()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
499 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
500 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
501 *output_r = ctx->output;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
502 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
503 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
504
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
505 /* file has existing mails */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
506 if (file->file_version != DBOX_VERSION ||
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
507 file->msg_header_size != sizeof(struct dbox_message_header)) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
508 /* created by an incompatible version, can't append */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
509 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
510 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
511
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
512 if (ctx->output->offset == 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
513 /* first append to existing file. seek to eof first. */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
514 if (fstat(file->fd, &st) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
515 dbox_file_set_syscall_error(file, "fstat()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
516 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
517 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
518 o_stream_seek(ctx->output, st.st_size);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
519 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
520 *output_r = ctx->output;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
521 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
522 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
523
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
524 int dbox_file_metadata_skip_header(struct dbox_file *file)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
525 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
526 struct dbox_metadata_header metadata_hdr;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
527 const unsigned char *data;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
528 size_t size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
529 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
530
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
531 ret = i_stream_read_data(file->input, &data, &size,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
532 sizeof(metadata_hdr) - 1);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
533 if (ret <= 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
534 if (file->input->stream_errno == 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
535 /* EOF, broken offset */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
536 dbox_file_set_corrupted(file,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
537 "Unexpected EOF while reading metadata header");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
538 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
539 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
540 dbox_file_set_syscall_error(file, "read()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
541 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
542 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
543 memcpy(&metadata_hdr, data, sizeof(metadata_hdr));
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
544 if (memcmp(metadata_hdr.magic_post, DBOX_MAGIC_POST,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
545 sizeof(metadata_hdr.magic_post)) != 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
546 /* probably broken offset */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
547 dbox_file_set_corrupted(file,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
548 "metadata header has bad magic value");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
549 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
550 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
551 i_stream_skip(file->input, sizeof(metadata_hdr));
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
552 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
553 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
554
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
555 static int
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
556 dbox_file_metadata_read_at(struct dbox_file *file, uoff_t metadata_offset)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
557 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
558 const char *line;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
559 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
560
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
561 if (file->metadata_pool != NULL)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
562 p_clear(file->metadata_pool);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
563 else {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
564 file->metadata_pool =
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
565 pool_alloconly_create("dbox metadata", 1024);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
566 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
567 p_array_init(&file->metadata, file->metadata_pool, 16);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
568
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
569 i_stream_seek(file->input, metadata_offset);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
570 if ((ret = dbox_file_metadata_skip_header(file)) <= 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
571 return ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
572
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
573 ret = 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
574 while ((line = i_stream_read_next_line(file->input)) != NULL) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
575 if (*line == DBOX_METADATA_OLDV1_SPACE || *line == '\0') {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
576 /* end of metadata */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
577 ret = 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
578 break;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
579 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
580 line = p_strdup(file->metadata_pool, line);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
581 array_append(&file->metadata, &line, 1);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
582 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
583 if (ret == 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
584 dbox_file_set_corrupted(file, "missing end-of-metadata line");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
585 return ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
586 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
587
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
588 int dbox_file_metadata_read(struct dbox_file *file)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
589 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
590 uoff_t metadata_offset;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
591 int ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
592
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
593 i_assert(file->cur_offset != (uoff_t)-1);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
594
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
595 if (file->metadata_read_offset == file->cur_offset)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
596 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
597
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
598 metadata_offset = file->cur_offset + file->msg_header_size +
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
599 file->cur_physical_size;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
600 ret = dbox_file_metadata_read_at(file, metadata_offset);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
601 if (ret <= 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
602 return ret;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
603
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
604 file->metadata_read_offset = file->cur_offset;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
605 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
606 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
607
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
608 const char *dbox_file_metadata_get(struct dbox_file *file,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
609 enum dbox_metadata_key key)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
610 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
611 const char *const *metadata;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
612 unsigned int i, count;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
613
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
614 metadata = array_get(&file->metadata, &count);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
615 for (i = 0; i < count; i++) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
616 if (*metadata[i] == (char)key)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
617 return metadata[i] + 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
618 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
619 return NULL;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
620 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
621
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
622 int dbox_file_move(struct dbox_file *file, bool alt_path)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
623 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
624 struct ostream *output;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
625 const char *dest_dir, *temp_path, *dest_path, *p;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
626 struct stat st;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
627 bool deleted;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
628 int out_fd, ret = 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
629
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
630 i_assert(file->input != NULL);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
631 i_assert(file->lock != NULL);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
632
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
633 if (dbox_file_is_in_alt(file) == alt_path)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
634 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
635
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
636 if (stat(file->cur_path, &st) < 0 && errno == ENOENT) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
637 /* already expunged/moved by another session */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
638 dbox_file_unlock(file);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
639 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
640 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
641
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
642 dest_path = !alt_path ? file->primary_path : file->alt_path;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
643 p = strrchr(dest_path, '/');
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
644 i_assert(p != NULL);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
645 dest_dir = t_strdup_until(dest_path, p);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
646 temp_path = t_strdup_printf("%s/%s", dest_dir,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
647 dbox_generate_tmp_filename());
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
648
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
649 /* first copy the file. make sure to catch every possible error
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
650 since we really don't want to break the file. */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
651 out_fd = file->storage->v.file_create_fd(file, temp_path, TRUE);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
652 if (out_fd == -1)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
653 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
654
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
655 output = o_stream_create_fd_file(out_fd, 0, FALSE);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
656 i_stream_seek(file->input, 0);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
657 while ((ret = o_stream_send_istream(output, file->input)) > 0) ;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
658 if (ret == 0)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
659 ret = o_stream_flush(output);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
660 if (output->stream_errno != 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
661 errno = output->stream_errno;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
662 mail_storage_set_critical(&file->storage->storage,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
663 "write(%s) failed: %m", temp_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
664 ret = -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
665 } else if (file->input->stream_errno != 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
666 errno = file->input->stream_errno;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
667 dbox_file_set_syscall_error(file, "ftruncate()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
668 ret = -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
669 } else if (ret < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
670 mail_storage_set_critical(&file->storage->storage,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
671 "o_stream_send_istream(%s, %s) "
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
672 "failed with unknown error",
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
673 temp_path, file->cur_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
674 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
675 o_stream_unref(&output);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
676
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
677 if (!file->storage->storage.set->fsync_disable && ret == 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
678 if (fsync(out_fd) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
679 mail_storage_set_critical(&file->storage->storage,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
680 "fsync(%s) failed: %m", temp_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
681 ret = -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
682 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
683 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
684 if (close(out_fd) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
685 mail_storage_set_critical(&file->storage->storage,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
686 "close(%s) failed: %m", temp_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
687 ret = -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
688 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
689 if (ret < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
690 (void)unlink(temp_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
691 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
692 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
693
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
694 /* the temp file was successfully written. rename it now to the
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
695 destination file. the destination shouldn't exist, but if it does
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
696 its contents should be the same (except for maybe older metadata) */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
697 if (rename(temp_path, dest_path) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
698 mail_storage_set_critical(&file->storage->storage,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
699 "rename(%s, %s) failed: %m", temp_path, dest_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
700 (void)unlink(temp_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
701 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
702 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
703 if (!file->storage->storage.set->fsync_disable) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
704 if (fdatasync_path(dest_dir) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
705 mail_storage_set_critical(&file->storage->storage,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
706 "fdatasync(%s) failed: %m", dest_dir);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
707 (void)unlink(dest_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
708 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
709 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
710 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
711 if (unlink(file->cur_path) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
712 dbox_file_set_syscall_error(file, "unlink()");
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
713 if (errno == EACCES) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
714 /* configuration problem? revert the write */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
715 (void)unlink(dest_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
716 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
717 /* who knows what happened to the file. keep both just to be
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
718 sure both won't get deleted. */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
719 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
720 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
721
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
722 /* file was successfully moved - reopen it */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
723 dbox_file_close(file);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
724 if (dbox_file_open(file, &deleted) <= 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
725 mail_storage_set_critical(&file->storage->storage,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
726 "dbox_file_move(%s): reopening file failed", dest_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
727 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
728 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
729 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
730 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
731
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
732 void dbox_msg_header_fill(struct dbox_message_header *dbox_msg_hdr,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
733 uoff_t message_size)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
734 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
735 memset(dbox_msg_hdr, ' ', sizeof(*dbox_msg_hdr));
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
736 memcpy(dbox_msg_hdr->magic_pre, DBOX_MAGIC_PRE,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
737 sizeof(dbox_msg_hdr->magic_pre));
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
738 dbox_msg_hdr->type = DBOX_MESSAGE_TYPE_NORMAL;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
739 dec2hex(dbox_msg_hdr->message_size_hex, message_size,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
740 sizeof(dbox_msg_hdr->message_size_hex));
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
741 dbox_msg_hdr->save_lf = '\n';
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
742 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
743
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
744 int dbox_file_unlink(struct dbox_file *file)
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
745 {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
746 const char *path;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
747 bool alt = FALSE;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
748
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
749 path = file->primary_path;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
750 while (unlink(path) < 0) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
751 if (errno != ENOENT) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
752 mail_storage_set_critical(&file->storage->storage,
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
753 "unlink(%s) failed: %m", path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
754 return -1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
755 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
756 if (file->alt_path == NULL || alt) {
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
757 /* not found */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
758 i_warning("dbox: File unexpectedly lost: %s",
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
759 file->primary_path);
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
760 return 0;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
761 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
762
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
763 /* try the alternative path */
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
764 path = file->alt_path;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
765 alt = TRUE;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
766 }
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
767 return 1;
0bb321c347ae Split dbox (single-dbox) and mdbox (multi-dbox) into separate storage backends.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
768 }