dovecot/core-2.2: src/lib-index/mail-index.c annotate

annotate src/lib-index/mail-index.c @ 1965:41f6a04154a3 HEAD

INDEX_KEYWORDS_BYTE_COUNT was counted wrong so index files were larger than they needed to be. Added sizeof(keywords_mask_t) to compat_data. Added limit to growing index file exponentially.

author	Timo Sirainen <tss@iki.fi>
date	Mon, 03 May 2004 17:22:24 +0300
parents	dbec6c9dbffa
children	b6d900688c55

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);
1965 41f6a04154a3 INDEX_KEYWORDS_BYTE_COUNT was counted wrong so index files were larger than Timo Sirainen <tss@iki.fi> parents: 1946 diff changeset	52 compat_data[3] = sizeof(keywords_mask_t);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	53
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	54 if (hdr->major_version != MAIL_INDEX_MAJOR_VERSION) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	55 /* major version change - handle silently(?) */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	56 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	57 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	58 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	59 /* architecture change - handle silently(?) */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	60 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	61 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	62
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	63 if ((map->hdr->flags & MAIL_INDEX_HDR_FLAG_CORRUPTED) != 0) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	64 /* either a crash or we've already complained about it */
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	65 return -1;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	66 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	67
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	68 /* 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	69 if (hdr->uid_validity == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	70 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	71 "uid_validity = 0", index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	72 return -1;
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
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	75 if (hdr->next_uid == 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	76 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	77
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	78 if (hdr->seen_messages_count > hdr->messages_count \|\|
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	79 hdr->deleted_messages_count > hdr->messages_count)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	80 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	81 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	82 hdr->first_unseen_uid_lowwater > hdr->next_uid \|\|
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	83 hdr->first_deleted_uid_lowwater > hdr->next_uid)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	84 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	85
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	86 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	87 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	88
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	89 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	90 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	91 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	92 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	93 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	94 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	95 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	96 } 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	97 i_assert(map->buffer == NULL);
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	98 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	99 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	100 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	101 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	102
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	103 if (map->refcount > 0) {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	104 map->mmap_size = 0;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	105 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	106 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	107 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	108 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	109 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	110 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	111
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	112 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	113 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	114 if (--map->refcount > 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	115 return;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	116
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	117 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	118 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	119 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	120 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	121
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	122 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	123 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	124 {
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_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	126 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	127 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	128
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	129 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	130 {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	131 const struct mail_index_header *hdr;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	132 unsigned int records_count;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	133
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	134 map->mmap_base = index->lock_type != F_WRLCK ?
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	135 mmap_ro_file(index->fd, &map->mmap_size) :
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	136 mmap_rw_file(index->fd, &map->mmap_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	137 if (map->mmap_base == MAP_FAILED) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	138 map->mmap_base = NULL;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	139 mail_index_set_syscall_error(index, "mmap()");
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	140 return -1;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	141 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	142
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	143 if (map->mmap_size < MAIL_INDEX_HEADER_MIN_SIZE) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	144 mail_index_set_error(index, "Corrupted index file %s: "
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	145 "File too small (%"PRIuSIZE_T")",
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	146 index->filepath, map->mmap_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	147 return 0;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	148 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	149
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	150 hdr = map->mmap_base;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	151 map->mmap_used_size = hdr->header_size +
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	152 hdr->messages_count * sizeof(struct mail_index_record);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	153
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	154 if (map->mmap_used_size > map->mmap_size) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	155 records_count = (map->mmap_size - hdr->header_size) /
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	156 sizeof(struct mail_index_record);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	157 mail_index_set_error(index, "Corrupted index file %s: "
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	158 "messages_count too large (%u > %u)",
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	159 index->filepath, map->hdr->messages_count,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	160 records_count);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	161 return 0;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	162 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	163
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	164 map->hdr = hdr;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	165 if (map->hdr->header_size < sizeof(*map->hdr)) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	166 /* header smaller than ours, make a copy so our newer headers
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	167 won't have garbage in them */
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	168 memcpy(&map->hdr_copy, map->hdr, map->hdr->header_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	169 map->hdr = &map->hdr_copy;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	170 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	171
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	172 map->records = PTR_OFFSET(map->mmap_base, map->hdr->header_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	173 map->records_count = map->hdr->messages_count;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	174 return 1;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	175 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	176
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	177 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	178 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	179 {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	180 struct mail_index_header hdr;
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	181 void *data = NULL;
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	182 ssize_t ret;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	183 size_t pos, records_size;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	184
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	185 memset(&hdr, 0, sizeof(hdr));
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	186
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	187 ret = 1;
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	188 for (pos = 0; ret > 0 && pos < sizeof(hdr); ) {
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	189 ret = pread(index->fd, PTR_OFFSET(&hdr, pos),
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	190 sizeof(hdr) - pos, pos);
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	191 if (ret > 0)
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	192 pos += ret;
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	193 }
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	194 if (ret >= 0 && pos >= MAIL_INDEX_HEADER_MIN_SIZE) {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	195 records_size = hdr.messages_count *
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	196 sizeof(struct mail_index_record);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	197
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	198 if (map->buffer == NULL) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	199 map->buffer = buffer_create_dynamic(default_pool,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	200 records_size,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	201 (size_t)-1);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	202 }
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	203
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	204 /* @UNSAFE */
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	205 buffer_set_used_size(map->buffer, 0);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	206 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	207
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	208 ret = pread_full(index->fd, data, records_size,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	209 hdr.header_size);
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	210 }
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	211
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	212 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	213 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	214 return 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	215 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	216 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	217 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	218 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	219 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	220 "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	221 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	222 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	223
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	224 map->records = data;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	225 map->records_count = hdr.messages_count;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	226
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	227 map->hdr_copy = hdr;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	228 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	229 return 1;
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
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	232 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	233 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	234 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	235 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	236
1965 41f6a04154a3 INDEX_KEYWORDS_BYTE_COUNT was counted wrong so index files were larger than Timo Sirainen <tss@iki.fi> parents: 1946 diff changeset	237 for (i = 0; i < MAIL_INDEX_ESTALE_RETRY_COUNT; i++) {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	238 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	239 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	240 return ret;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	241
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	242 /* 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	243 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	244 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	245 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	246
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	247 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	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 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	250 /* 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	251 errno = ENOENT;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	252 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	253 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	254 return -1;
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
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	258 /* 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	259 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	260 return -1;
1915 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
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	263 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	264 {
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	265 const struct mail_index_header *hdr;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	266 struct mail_index_map *map;
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	267 size_t used_size;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	268 int ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	269
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	270 map = index->map;
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	271 if (map != NULL && MAIL_INDEX_MAP_IS_IN_MEMORY(map)) {
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	272 /* FIXME: we need to re-read header */
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	273 } else if (map != NULL) {
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	274 /* see if re-mmaping is needed (file has grown) */
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	275 hdr = map->mmap_base;
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	276 used_size = hdr->header_size +
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	277 hdr->messages_count * sizeof(struct mail_index_record);
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	278 if (map->mmap_size >= used_size && !force)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	279 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	280
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	281 if (munmap(map->mmap_base, map->mmap_size) < 0)
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	282 mail_index_set_syscall_error(index, "munmap()");
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	283 map->mmap_base = NULL;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	284 } else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	285 map = i_new(struct mail_index_map, 1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	286 map->refcount = 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	287 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	288
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	289 index->hdr = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	290 index->map = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	291
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	292 if (!index->mmap_disable) {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	293 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	294 mail_index_unmap_forced(index, map);
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	295 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	296 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	297 } else {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	298 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	299 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	300 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	301 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	302 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	303
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	304 ret = mail_index_check_header(index, map);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	305 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	306 mail_index_unmap_forced(index, map);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	307 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	308 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	309 if (ret == 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	310 index->fsck = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	311
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	312 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	313 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	314
1919 4aeb7357951a locking fixes, mmap_disable=yes fixes Timo Sirainen <tss@iki.fi> parents: 1917 diff changeset	315 index->hdr = map->hdr;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	316 index->map = map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	317 return 1;
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
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	320 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	321 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	322 const struct mail_index_header *hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	323 struct mail_index_map *mem_map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	324 size_t size;
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 if (MAIL_INDEX_MAP_IS_IN_MEMORY(map)) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	327 map->refcount++;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	328 return map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	329 }
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 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	332
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	333 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	334 mem_map->refcount = 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	335 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	336 buffer_append(mem_map->buffer, map->records, size);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	337
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	338 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	339 mem_map->records_count = map->records_count;
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 hdr = map->mmap_base;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	342 memcpy(&mem_map->hdr_copy, map->mmap_base,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	343 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	344 mem_map->hdr = &mem_map->hdr_copy;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	345 return mem_map;
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
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	348 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	349 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	350 time_t now = time(NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	351
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	352 memset(hdr, 0, sizeof(*hdr));
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	353
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	354 hdr->major_version = MAIL_INDEX_MAJOR_VERSION;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	355 hdr->minor_version = MAIL_INDEX_MINOR_VERSION;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	356 hdr->header_size = sizeof(*hdr);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	357
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	358 #ifndef WORDS_BIGENDIAN
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	359 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	360 #endif
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	361 hdr->compat_data[1] = sizeof(uoff_t);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	362 hdr->compat_data[2] = sizeof(time_t);
1965 41f6a04154a3 INDEX_KEYWORDS_BYTE_COUNT was counted wrong so index files were larger than Timo Sirainen <tss@iki.fi> parents: 1946 diff changeset	363 hdr->compat_data[3] = sizeof(keywords_mask_t);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	364
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	365 hdr->indexid = now;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	366
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	367 hdr->uid_validity = now;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	368 hdr->next_uid = 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	369 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	370
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	371 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	372 const struct mail_index_header *hdr)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	373 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	374 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	375 memcpy(index->map->mmap_base, hdr, sizeof(*hdr));
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	376 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	377 return mail_index_set_syscall_error(index, "msync()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	378 } else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	379 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	380 mail_index_set_syscall_error(index, "pwrite_full()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	381 return -1;
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
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	384 index->map->hdr_copy = *hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	385 index->hdr = &index->map->hdr_copy;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	386 }
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 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	389 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	390
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	391 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	392 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	393 const char *path;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	394 int fd;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	395
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	396 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	397 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	398 if (fd == -1)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	399 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	400
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	401 if (index->gid != (gid_t)-1 &&
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	402 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	403 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	404 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	405 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	406
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	407 return fd;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	408 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	409
1942 2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	410 static int mail_index_create(struct mail_index *index,
2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	411 struct mail_index_header *hdr)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	412 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	413 const char *path;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	414 uint32_t seq;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	415 uoff_t offset;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	416 int ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	417
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	418 /* log file lock protects index creation */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	419 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	420 return -1;
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 hdr->log_file_seq = seq;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	423 hdr->log_file_offset = offset;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	424
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	425 ret = mail_index_try_open(index, NULL);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	426 if (ret != 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	427 mail_transaction_log_sync_unlock(index->log);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	428 return ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	429 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	430
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	431 /* create it fully in index.tmp first */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	432 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	433 if (index->fd == -1)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	434 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	435 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	436 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	437 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	438 } else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	439 ret = mail_index_map(index, FALSE);
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 /* 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	444 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	445 mail_index_set_error(index,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	446 "Newly created index file is corrupted: %s", path);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	447 ret = -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 if (ret < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	451 if (unlink(path) < 0 && errno != ENOENT) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	452 mail_index_file_set_syscall_error(index, path,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	453 "unlink()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	454 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	455 return -1;
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
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	458 /* make it visible to others */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	459 if (rename(path, index->filepath) < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	460 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	461 path, index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	462 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	463 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	464
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	465 mail_transaction_log_sync_unlock(index->log);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	466 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	467 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	468
1925 e3fa34df2263 locking fixes, sync fix Timo Sirainen <tss@iki.fi> parents: 1920 diff changeset	469 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	470 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	471 int i;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	472
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	473 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	474 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	475 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	476 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	477 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	478 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	479 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	480 break;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	481
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	482 /* 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	483 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	484 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	485 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	486 from server.. */
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	487 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	488 if (index->fd == -1) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	489 if (errno != ENOENT)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	490 return mail_index_set_syscall_error(index, "open()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	491
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	492 /* have to create it */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	493 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	494 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	495 return 1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	496 }
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 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	499 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	500 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	501 int ret;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	502
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	503 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	504 *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	505
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	506 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	507 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	508 return ret;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	509
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	510 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	511 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	512 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	513 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	514 /* 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	515 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	516 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	517 *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	518
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	519 (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	520 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	521 } else {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	522 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	523 *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	524 else
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	525 mail_index_unlock(index, lock_id);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	526 }
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	527 return ret;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	528 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	529
1942 2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	530 static int mail_index_open_files(struct mail_index *index,
2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	531 enum mail_index_open_flags flags)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	532 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	533 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	534 unsigned int lock_id = 0;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	535 int ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	536
1935 ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	537 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	538 if (ret > 0)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	539 hdr = *index->hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	540 else if (ret == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	541 /* doesn't exist, or corrupted */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	542 if ((flags & MAIL_INDEX_OPEN_FLAG_CREATE) == 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	543 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	544 mail_index_header_init(&hdr);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	545 index->hdr = &hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	546 } else if (ret < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	547 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	548
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	549 index->indexid = hdr.indexid;
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 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	552 if (index->log == NULL)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	553 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	554
1935 ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	555 if (lock_id != 0)
ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	556 mail_index_unlock(index, lock_id);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	557 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	558 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	559
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	560 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	561 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	562 int i = 0, ret;
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 if (index->opened)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	565 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	566
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	567 do {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	568 index->shared_lock_count = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	569 index->excl_lock_count = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	570 index->lock_type = F_UNLCK;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	571
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	572 index->nodiskspace = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	573 index->index_lock_timeout = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	574 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	575 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	576 (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	577 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	578 (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	579 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	580 (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	581 index->readonly = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	582
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	583 index->filepath = i_strconcat(index->dir, "/",
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	584 index->prefix, NULL);
1942 2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	585 ret = mail_index_open_files(index, flags);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	586 if (ret <= 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	587 break;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	588
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	589 index->opened = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	590 if (index->fsck) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	591 index->fsck = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	592 ret = mail_index_fsck(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	593 if (ret == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	594 /* completely broken, reopen */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	595 if (i++ < 3)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	596 continue;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	597 /* too many tries */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	598 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	599 }
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 break;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	602 } while (1);
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 (ret <= 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	605 mail_index_close(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	606
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	607 return ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	608 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	609
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	610 void mail_index_close(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	611 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	612 if (index->log != NULL) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	613 mail_transaction_log_close(index->log);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	614 index->log = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	615 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	616
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	617 if (index->map != NULL) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	618 mail_index_unmap(index, index->map);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	619 index->map = NULL;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	620 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	621
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	622 if (index->fd != -1) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	623 if (close(index->fd) < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	624 mail_index_set_syscall_error(index, "close()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	625 index->fd = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	626 }
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 i_free(index->copy_lock_path);
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	629 index->copy_lock_path = NULL;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	630 i_free(index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	631 index->filepath = NULL;
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 index->indexid = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	634 index->opened = FALSE;
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
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	637 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	638 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	639 return index->cache;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	640 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	641
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	642 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	643 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	644 va_list va;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	645
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	646 i_free(index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	647
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	648 if (fmt == NULL)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	649 index->error = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	650 else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	651 va_start(va, fmt);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	652 index->error = i_strdup_vprintf(fmt, va);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	653 va_end(va);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	654
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	655 i_error("%s", index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	656 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	657
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	658 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	659 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	660
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	661 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	662 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	663 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	664 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	665
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	666 void mail_index_mark_corrupted(struct mail_index *index)
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	667 {
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	668 struct mail_index_header hdr;
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	669
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	670 mail_index_set_inconsistent(index);
268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	671
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	672 if (index->readonly)
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	673 return;
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	674
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	675 /* make sure we can write the header */
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	676 if (!MAIL_INDEX_MAP_IS_IN_MEMORY(index->map)) {
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	677 if (mprotect(index->map->mmap_base, sizeof(hdr),
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	678 PROT_READ \| PROT_WRITE) < 0) {
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	679 mail_index_set_syscall_error(index, "mprotect()");
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	680 return;
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	681 }
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	682 }
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	683
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	684 hdr = *index->hdr;
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	685 hdr.flags \|= MAIL_INDEX_HDR_FLAG_CORRUPTED;
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	686 if (mail_index_write_header(index, &hdr) == 0) {
268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	687 if (fsync(index->fd) < 0)
268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	688 mail_index_set_syscall_error(index, "fsync()");
268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	689 }
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	690 }
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	691
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	692 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	693 const char *function)
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 i_assert(function != NULL);
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 if (ENOSPACE(errno)) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	698 index->nodiskspace = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	699 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	700 }
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 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	703 function, index->filepath);
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
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	706 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	707 const char *filepath,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	708 const char *function)
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 i_assert(filepath != NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	711 i_assert(function != NULL);
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 if (ENOSPACE(errno)) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	714 index->nodiskspace = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	715 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	716 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	717
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	718 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	719 function, filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	720 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	721
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	722 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	723 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	724 if (index->nodiskspace)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	725 return MAIL_INDEX_ERROR_DISKSPACE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	726 if (index->error != NULL)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	727 return MAIL_INDEX_ERROR_INTERNAL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	728
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	729 return MAIL_INDEX_ERROR_NONE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	730 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	731
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	732 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	733 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	734 return index->error;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	735 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	736
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	737 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	738 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	739 if (index->error != NULL) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	740 i_free(index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	741 index->error = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	742 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	743
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	744 index->nodiskspace = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	745 index->index_lock_timeout = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	746 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	747
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	748 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	749 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	750 return FALSE; // FIXME
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	751 }

Mercurial > dovecot > core-2.2

annotate src/lib-index/mail-index.c @ 1965:41f6a04154a3 HEAD