dovecot/original-hg/dovecot-1.2: src/lib-index/mail-index.c annotate

annotate src/lib-index/mail-index.c @ 1942:2b114aa7eeec HEAD

handle losing index file

author	Timo Sirainen <tss@iki.fi>
date	Sat, 01 May 2004 19:08:15 +0300
parents	4698c121bae3
children	e473d2df21be

rev	line source
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	1 /* Copyright (C) 2003-2004 Timo Sirainen */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	2
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	3 #include "lib.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	4 #include "buffer.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	5 #include "file-lock.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	6 #include "mmap-util.h"
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	7 #include "read-full.h"
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	8 #include "write-full.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	9 #include "mail-index-private.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	10 #include "mail-transaction-log.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	11
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	12 #include <stdio.h>
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	13 #include <stddef.h>
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	14 #include <time.h>
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	15 #include <sys/stat.h>
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	16
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	17 struct mail_index mail_index_alloc(const char dir, const char *prefix)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	18 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	19 struct mail_index *index;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	20
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	21 index = i_new(struct mail_index, 1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	22 index->dir = i_strdup(dir);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	23 index->prefix = i_strdup(prefix);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	24 index->fd = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	25
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	26 index->mode = 0600;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	27 index->gid = (gid_t)-1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	28 return index;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	29 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	30
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	31 void mail_index_free(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	32 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	33 i_free(index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	34 i_free(index->dir);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	35 i_free(index->prefix);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	36 i_free(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	37 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	38
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	39 static int mail_index_check_header(struct mail_index *index,
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	40 struct mail_index_map *map)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	41 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	42 const struct mail_index_header *hdr = map->hdr;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	43 unsigned char compat_data[3];
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	44
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	45 #ifndef WORDS_BIGENDIAN
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	46 compat_data[0] = MAIL_INDEX_COMPAT_LITTLE_ENDIAN;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	47 #else
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	48 compat_data[0] = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	49 #endif
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	50 compat_data[1] = sizeof(uoff_t);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	51 compat_data[2] = sizeof(time_t);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	52
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	53 if (hdr->major_version != MAIL_INDEX_MAJOR_VERSION) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	54 /* major version change - handle silently(?) */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	55 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	56 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	57 if (memcmp(hdr->compat_data, compat_data, sizeof(compat_data)) != 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	58 /* architecture change - handle silently(?) */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	59 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	60 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	61
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	62 if ((map->hdr->flags & MAIL_INDEX_HDR_FLAG_CORRUPTED) != 0) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	63 /* either a crash or we've already complained about it */
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	64 return -1;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	65 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	66
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	67 /* following some extra checks that only take a bit of CPU */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	68 if (hdr->uid_validity == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	69 mail_index_set_error(index, "Corrupted index file %s: "
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	70 "uid_validity = 0", index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	71 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	72 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	73
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	74 if (hdr->next_uid == 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	75 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	76
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	77 if (hdr->seen_messages_count > hdr->messages_count \|\|
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	78 hdr->deleted_messages_count > hdr->messages_count)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	79 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	80 if (hdr->first_recent_uid_lowwater > hdr->next_uid \|\|
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	81 hdr->first_unseen_uid_lowwater > hdr->next_uid \|\|
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	82 hdr->first_deleted_uid_lowwater > hdr->next_uid)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	83 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	84
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	85 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	86 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	87
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	88 static void mail_index_map_clear(struct mail_index *index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	89 struct mail_index_map *map)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	90 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	91 if (map->buffer != NULL) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	92 i_assert(map->mmap_base == NULL);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	93 buffer_free(map->buffer);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	94 map->buffer = NULL;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	95 } else if (map->mmap_base != NULL) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	96 i_assert(map->buffer == NULL);
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	97 if (munmap(map->mmap_base, map->mmap_size) < 0)
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	98 mail_index_set_syscall_error(index, "munmap()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	99 map->mmap_base = NULL;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	100 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	101
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	102 if (map->refcount > 0) {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	103 map->mmap_size = 0;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	104 map->mmap_used_size = 0;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	105 map->hdr = NULL;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	106 map->records = NULL;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	107 map->records_count = 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	108 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	109 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	110
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	111 void mail_index_unmap(struct mail_index index, struct mail_index_map map)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	112 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	113 if (--map->refcount > 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	114 return;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	115
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	116 i_assert(map->refcount == 0);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	117 mail_index_map_clear(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	118 i_free(map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	119 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	120
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	121 static void mail_index_unmap_forced(struct mail_index *index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	122 struct mail_index_map *map)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	123 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	124 mail_index_map_clear(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	125 mail_index_unmap(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	126 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	127
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	128 static int mail_index_mmap(struct mail_index index, struct mail_index_map map)
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	129 {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	130 const struct mail_index_header *hdr;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	131 unsigned int records_count;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	132
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	133 map->mmap_base = index->lock_type != F_WRLCK ?
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	134 mmap_ro_file(index->fd, &map->mmap_size) :
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	135 mmap_rw_file(index->fd, &map->mmap_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	136 if (map->mmap_base == MAP_FAILED) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	137 map->mmap_base = NULL;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	138 mail_index_set_syscall_error(index, "mmap()");
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	139 return -1;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	140 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	141
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	142 if (map->mmap_size < MAIL_INDEX_HEADER_MIN_SIZE) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	143 mail_index_set_error(index, "Corrupted index file %s: "
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	144 "File too small (%"PRIuSIZE_T")",
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	145 index->filepath, map->mmap_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	146 return 0;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	147 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	148
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	149 hdr = map->mmap_base;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	150 map->mmap_used_size = hdr->header_size +
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	151 hdr->messages_count * sizeof(struct mail_index_record);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	152
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	153 if (map->mmap_used_size > map->mmap_size) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	154 records_count = (map->mmap_size - hdr->header_size) /
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	155 sizeof(struct mail_index_record);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	156 mail_index_set_error(index, "Corrupted index file %s: "
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	157 "messages_count too large (%u > %u)",
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	158 index->filepath, map->hdr->messages_count,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	159 records_count);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	160 return 0;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	161 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	162
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	163 map->hdr = hdr;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	164 if (map->hdr->header_size < sizeof(*map->hdr)) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	165 /* header smaller than ours, make a copy so our newer headers
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	166 won't have garbage in them */
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	167 memcpy(&map->hdr_copy, map->hdr, map->hdr->header_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	168 map->hdr = &map->hdr_copy;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	169 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	170
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	171 map->records = PTR_OFFSET(map->mmap_base, map->hdr->header_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	172 map->records_count = map->hdr->messages_count;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	173 return 1;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	174 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	175
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	176 static int mail_index_read_map(struct mail_index *index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	177 struct mail_index_map *map)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	178 {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	179 struct mail_index_header hdr;
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	180 void *data = NULL;
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	181 ssize_t ret;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	182 size_t pos, records_size;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	183
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	184 memset(&hdr, 0, sizeof(hdr));
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	185
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	186 ret = 1;
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	187 for (pos = 0; ret > 0 && pos < sizeof(hdr); ) {
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	188 ret = pread(index->fd, PTR_OFFSET(&hdr, pos),
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	189 sizeof(hdr) - pos, pos);
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	190 if (ret > 0)
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	191 pos += ret;
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	192 }
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	193 if (ret >= 0 && pos >= MAIL_INDEX_HEADER_MIN_SIZE) {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	194 records_size = hdr.messages_count *
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	195 sizeof(struct mail_index_record);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	196
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	197 if (map->buffer == NULL) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	198 map->buffer = buffer_create_dynamic(default_pool,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	199 records_size,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	200 (size_t)-1);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	201 }
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	202
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	203 /* @UNSAFE */
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	204 buffer_set_used_size(map->buffer, 0);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	205 data = buffer_append_space_unsafe(map->buffer, records_size);
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	206
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	207 ret = pread_full(index->fd, data, records_size,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	208 hdr.header_size);
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	209 }
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	210
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	211 if (ret < 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	212 if (errno == ESTALE)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	213 return 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	214 mail_index_set_syscall_error(index, "pread_full()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	215 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	216 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	217 if (ret == 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	218 mail_index_set_error(index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	219 "Unexpected EOF while reading index file");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	220 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	221 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	222
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	223 map->records = data;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	224 map->records_count = hdr.messages_count;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	225
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	226 map->hdr_copy = hdr;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	227 map->hdr = &map->hdr_copy;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	228 return 1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	229 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	230
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	231 static int mail_index_read_map_with_retry(struct mail_index *index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	232 struct mail_index_map *map)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	233 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	234 int i, ret;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	235
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	236 for (i = 0; i < INDEX_ESTALE_RETRY_COUNT; i++) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	237 ret = mail_index_read_map(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	238 if (ret != 0)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	239 return ret;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	240
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	241 /* ESTALE - reopen index file */
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	242 if (close(index->fd) < 0)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	243 mail_index_set_syscall_error(index, "close()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	244 index->fd = -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	245
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	246 ret = mail_index_try_open_only(index);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	247 if (ret <= 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	248 if (ret == 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	249 /* the file was lost */
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	250 errno = ENOENT;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	251 mail_index_set_syscall_error(index, "open()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	252 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	253 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	254 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	255 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	256
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	257 /* Too many ESTALE retries */
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	258 mail_index_set_syscall_error(index, "read_map()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	259 return -1;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	260 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	261
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	262 int mail_index_map(struct mail_index *index, int force)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	263 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	264 struct mail_index_map *map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	265 int ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	266
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	267 if (index->map != NULL) {
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	268 map = index->map;
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	269 if (map != NULL && !force)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	270 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	271
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	272 if (map->mmap_base != NULL) {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	273 if (munmap(map->mmap_base, map->mmap_size) < 0)
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	274 mail_index_set_syscall_error(index, "munmap()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	275 map->mmap_base = NULL;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	276 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	277 } else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	278 map = i_new(struct mail_index_map, 1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	279 map->refcount = 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	280 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	281
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	282 index->hdr = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	283 index->map = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	284
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	285 if (!index->mmap_disable) {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	286 if ((ret = mail_index_mmap(index, map)) <= 0) {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	287 mail_index_unmap_forced(index, map);
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	288 return ret;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	289 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	290 } else {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	291 if (mail_index_read_map_with_retry(index, map) < 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	292 mail_index_unmap_forced(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	293 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	294 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	295 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	296
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	297 ret = mail_index_check_header(index, map);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	298 if (ret < 0) {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	299 mail_index_unmap_forced(index, map);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	300 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	301 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	302 if (ret == 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	303 index->fsck = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	304
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	305 map->log_file_seq = map->hdr->log_file_seq;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	306 map->log_file_offset = map->hdr->log_file_offset;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	307
1919 4aeb7357951a locking fixes, mmap_disable=yes fixes Timo Sirainen <tss@iki.fi> parents: 1917 diff changeset	308 index->hdr = map->hdr;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	309 index->map = map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	310 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	311 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	312
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	313 struct mail_index_map mail_index_map_to_memory(struct mail_index_map map)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	314 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	315 const struct mail_index_header *hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	316 struct mail_index_map *mem_map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	317 size_t size;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	318
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	319 if (MAIL_INDEX_MAP_IS_IN_MEMORY(map)) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	320 map->refcount++;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	321 return map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	322 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	323
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	324 size = map->records_count * sizeof(struct mail_index_record);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	325
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	326 mem_map = i_new(struct mail_index_map, 1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	327 mem_map->refcount = 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	328 mem_map->buffer = buffer_create_dynamic(default_pool, size, (size_t)-1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	329 buffer_append(mem_map->buffer, map->records, size);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	330
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	331 mem_map->records = buffer_get_modifyable_data(mem_map->buffer, NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	332 mem_map->records_count = map->records_count;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	333
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	334 hdr = map->mmap_base;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	335 memcpy(&mem_map->hdr_copy, map->mmap_base,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	336 I_MIN(hdr->header_size, sizeof(mem_map->hdr_copy)));
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	337 mem_map->hdr = &mem_map->hdr_copy;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	338 return mem_map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	339 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	340
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	341 void mail_index_header_init(struct mail_index_header *hdr)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	342 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	343 time_t now = time(NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	344
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	345 memset(hdr, 0, sizeof(*hdr));
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	346
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	347 hdr->major_version = MAIL_INDEX_MAJOR_VERSION;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	348 hdr->minor_version = MAIL_INDEX_MINOR_VERSION;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	349 hdr->header_size = sizeof(*hdr);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	350
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	351 #ifndef WORDS_BIGENDIAN
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	352 hdr->compat_data[0] = MAIL_INDEX_COMPAT_LITTLE_ENDIAN;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	353 #endif
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	354 hdr->compat_data[1] = sizeof(uoff_t);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	355 hdr->compat_data[2] = sizeof(time_t);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	356
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	357 hdr->indexid = now;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	358
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	359 hdr->uid_validity = now;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	360 hdr->next_uid = 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	361 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	362
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	363 int mail_index_write_header(struct mail_index *index,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	364 const struct mail_index_header *hdr)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	365 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	366 if (!MAIL_INDEX_MAP_IS_IN_MEMORY(index->map)) {
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	367 memcpy(index->map->mmap_base, hdr, sizeof(*hdr));
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	368 if (msync(index->map->mmap_base, sizeof(*hdr), MS_SYNC) < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	369 return mail_index_set_syscall_error(index, "msync()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	370 } else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	371 if (pwrite_full(index->fd, hdr, sizeof(*hdr), 0) < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	372 mail_index_set_syscall_error(index, "pwrite_full()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	373 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	374 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	375
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	376 index->map->hdr_copy = *hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	377 index->hdr = &index->map->hdr_copy;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	378 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	379
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	380 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	381 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	382
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	383 int mail_index_create_tmp_file(struct mail_index index, const char *path_r)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	384 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	385 const char *path;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	386 int fd;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	387
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	388 path = *path_r = t_strconcat(index->filepath, ".tmp", NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	389 fd = open(path, O_RDWR\|O_CREAT\|O_TRUNC, index->mode);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	390 if (fd == -1)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	391 return mail_index_file_set_syscall_error(index, path, "open()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	392
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	393 if (index->gid != (gid_t)-1 &&
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	394 fchown(index->fd, (uid_t)-1, index->gid) < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	395 mail_index_file_set_syscall_error(index, path, "fchown()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	396 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	397 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	398
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	399 return fd;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	400 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	401
1942 2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	402 static int mail_index_create(struct mail_index *index,
2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	403 struct mail_index_header *hdr)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	404 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	405 const char *path;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	406 uint32_t seq;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	407 uoff_t offset;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	408 int ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	409
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	410 /* log file lock protects index creation */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	411 if (mail_transaction_log_sync_lock(index->log, &seq, &offset) < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	412 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	413
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	414 hdr->log_file_seq = seq;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	415 hdr->log_file_offset = offset;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	416
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	417 ret = mail_index_try_open(index, NULL);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	418 if (ret != 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	419 mail_transaction_log_sync_unlock(index->log);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	420 return ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	421 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	422
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	423 /* create it fully in index.tmp first */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	424 index->fd = mail_index_create_tmp_file(index, &path);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	425 if (index->fd == -1)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	426 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	427 else if (write_full(index->fd, hdr, sizeof(*hdr)) < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	428 mail_index_file_set_syscall_error(index, path, "write_full()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	429 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	430 } else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	431 ret = mail_index_map(index, FALSE);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	432 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	433
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	434 if (ret == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	435 /* it's corrupted even while we just created it,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	436 should never happen unless someone pokes the file directly */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	437 mail_index_set_error(index,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	438 "Newly created index file is corrupted: %s", path);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	439 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	440 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	441
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	442 if (ret < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	443 if (unlink(path) < 0 && errno != ENOENT) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	444 mail_index_file_set_syscall_error(index, path,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	445 "unlink()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	446 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	447 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	448 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	449
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	450 /* make it visible to others */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	451 if (rename(path, index->filepath) < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	452 mail_index_set_error(index, "rename(%s, %s) failed: %m",
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	453 path, index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	454 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	455 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	456
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	457 mail_transaction_log_sync_unlock(index->log);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	458 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	459 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	460
1925 e3fa34df2263 locking fixes, sync fix Timo Sirainen <tss@iki.fi> parents: 1920 diff changeset	461 int mail_index_try_open_only(struct mail_index *index)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	462 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	463 int i;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	464
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	465 for (i = 0; i < 3; i++) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	466 index->fd = open(index->filepath, O_RDWR);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	467 if (index->fd == -1 && errno == EACCES) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	468 index->fd = open(index->filepath, O_RDONLY);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	469 index->readonly = TRUE;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	470 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	471 if (index->fd != -1 \|\| errno != ESTALE)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	472 break;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	473
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	474 /* May happen with some OSes with NFS. Try again, although
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	475 there's still a race condition with another computer
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	476 creating the index file again. However, we can't try forever
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	477 as ESTALE happens also if index directory has been deleted
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	478 from server.. */
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	479 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	480 if (index->fd == -1) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	481 if (errno != ENOENT)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	482 return mail_index_set_syscall_error(index, "open()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	483
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	484 /* have to create it */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	485 return 0;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	486 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	487 return 1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	488 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	489
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	490 int mail_index_try_open(struct mail_index index, unsigned int lock_id_r)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	491 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	492 unsigned int lock_id;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	493 int ret;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	494
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	495 if (lock_id_r != NULL)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	496 *lock_id_r = 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	497
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	498 ret = mail_index_try_open_only(index);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	499 if (ret <= 0)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	500 return ret;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	501
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	502 if (mail_index_lock_shared(index, FALSE, &lock_id) < 0)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	503 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	504 ret = mail_index_map(index, FALSE);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	505 if (ret == 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	506 /* it's corrupted - recreate it */
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	507 mail_index_unlock(index, lock_id);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	508 if (lock_id_r != NULL)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	509 *lock_id_r = 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	510
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	511 (void)close(index->fd);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	512 index->fd = -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	513 } else {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	514 if (lock_id_r != NULL)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	515 *lock_id_r = lock_id;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	516 else
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	517 mail_index_unlock(index, lock_id);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	518 }
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	519 return ret;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	520 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	521
1942 2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	522 static int mail_index_open_files(struct mail_index *index,
2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	523 enum mail_index_open_flags flags)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	524 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	525 struct mail_index_header hdr;
1935 ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	526 unsigned int lock_id = 0;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	527 int ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	528
1935 ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	529 ret = mail_index_try_open(index, &lock_id);
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	530 if (ret > 0)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	531 hdr = *index->hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	532 else if (ret == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	533 /* doesn't exist, or corrupted */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	534 if ((flags & MAIL_INDEX_OPEN_FLAG_CREATE) == 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	535 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	536 mail_index_header_init(&hdr);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	537 index->hdr = &hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	538 } else if (ret < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	539 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	540
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	541 index->indexid = hdr.indexid;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	542
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	543 index->log = mail_transaction_log_open_or_create(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	544 if (index->log == NULL)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	545 return -1;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	546
1935 ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	547 if (lock_id != 0)
ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	548 mail_index_unlock(index, lock_id);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	549 return index->fd != -1 ? 1 : mail_index_create(index, &hdr);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	550 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	551
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	552 int mail_index_open(struct mail_index *index, enum mail_index_open_flags flags)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	553 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	554 int i = 0, ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	555
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	556 if (index->opened)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	557 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	558
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	559 do {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	560 index->shared_lock_count = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	561 index->excl_lock_count = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	562 index->lock_type = F_UNLCK;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	563
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	564 index->nodiskspace = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	565 index->index_lock_timeout = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	566 index->log_locked = FALSE;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	567 index->mmap_disable =
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	568 (flags & MAIL_INDEX_OPEN_FLAG_MMAP_DISABLE) != 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	569 index->mmap_no_write =
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	570 (flags & MAIL_INDEX_OPEN_FLAG_MMAP_NO_WRITE) != 0;
1920 d11efbf1d341 Added fcntl_lock_disable setting to allow indexes to work with NFS. Some Timo Sirainen <tss@iki.fi> parents: 1919 diff changeset	571 index->fcntl_locks_disable =
d11efbf1d341 Added fcntl_lock_disable setting to allow indexes to work with NFS. Some Timo Sirainen <tss@iki.fi> parents: 1919 diff changeset	572 (flags & MAIL_INDEX_OPEN_FLAG_FCNTL_LOCKS_DISABLE) != 0;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	573 index->readonly = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	574
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	575 index->filepath = i_strconcat(index->dir, "/",
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	576 index->prefix, NULL);
1942 2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	577 ret = mail_index_open_files(index, flags);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	578 if (ret <= 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	579 break;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	580
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	581 index->opened = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	582 if (index->fsck) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	583 index->fsck = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	584 ret = mail_index_fsck(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	585 if (ret == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	586 /* completely broken, reopen */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	587 if (i++ < 3)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	588 continue;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	589 /* too many tries */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	590 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	591 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	592 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	593 break;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	594 } while (1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	595
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	596 if (ret <= 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	597 mail_index_close(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	598
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	599 return ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	600 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	601
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	602 void mail_index_close(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	603 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	604 if (index->log != NULL) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	605 mail_transaction_log_close(index->log);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	606 index->log = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	607 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	608
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	609 if (index->map != NULL) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	610 mail_index_unmap(index, index->map);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	611 index->map = NULL;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	612 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	613
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	614 if (index->fd != -1) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	615 if (close(index->fd) < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	616 mail_index_set_syscall_error(index, "close()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	617 index->fd = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	618 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	619
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	620 i_free(index->copy_lock_path);
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	621 index->copy_lock_path = NULL;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	622 i_free(index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	623 index->filepath = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	624
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	625 index->indexid = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	626 index->opened = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	627 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	628
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	629 struct mail_cache mail_index_get_cache(struct mail_index index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	630 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	631 return index->cache;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	632 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	633
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	634 int mail_index_set_error(struct mail_index index, const char fmt, ...)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	635 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	636 va_list va;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	637
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	638 i_free(index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	639
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	640 if (fmt == NULL)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	641 index->error = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	642 else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	643 va_start(va, fmt);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	644 index->error = i_strdup_vprintf(fmt, va);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	645 va_end(va);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	646
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	647 i_error("%s", index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	648 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	649
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	650 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	651 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	652
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	653 void mail_index_set_inconsistent(struct mail_index *index)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	654 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	655 index->indexid = 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	656 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	657
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	658 int mail_index_set_syscall_error(struct mail_index *index,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	659 const char *function)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	660 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	661 i_assert(function != NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	662
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	663 if (ENOSPACE(errno)) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	664 index->nodiskspace = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	665 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	666 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	667
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	668 return mail_index_set_error(index, "%s failed with index file %s: %m",
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	669 function, index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	670 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	671
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	672 int mail_index_file_set_syscall_error(struct mail_index *index,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	673 const char *filepath,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	674 const char *function)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	675 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	676 i_assert(filepath != NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	677 i_assert(function != NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	678
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	679 if (ENOSPACE(errno)) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	680 index->nodiskspace = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	681 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	682 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	683
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	684 return mail_index_set_error(index, "%s failed with file %s: %m",
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	685 function, filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	686 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	687
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	688 enum mail_index_error mail_index_get_last_error(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	689 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	690 if (index->nodiskspace)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	691 return MAIL_INDEX_ERROR_DISKSPACE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	692 if (index->error != NULL)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	693 return MAIL_INDEX_ERROR_INTERNAL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	694
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	695 return MAIL_INDEX_ERROR_NONE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	696 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	697
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	698 const char mail_index_get_error_message(struct mail_index index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	699 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	700 return index->error;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	701 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	702
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	703 void mail_index_reset_error(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	704 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	705 if (index->error != NULL) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	706 i_free(index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	707 index->error = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	708 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	709
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	710 index->nodiskspace = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	711 index->index_lock_timeout = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	712 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	713
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	714 int mail_index_is_in_memory(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	715 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	716 return FALSE; // FIXME
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	717 }

Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/lib-index/mail-index.c @ 1942:2b114aa7eeec HEAD