Mercurial > dovecot > core-2.2
annotate src/lib-storage/index/index-search.c @ 505:78ae6262d6ca HEAD
More (char *) -> (const char *) fixes
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Fri, 25 Oct 2002 04:57:20 +0300 |
| parents | 00d857873975 |
| children | 2cb2e0a3423b |
| rev | line source |
|---|---|
| 0 | 1 /* Copyright (C) 2002 Timo Sirainen */ |
| 2 | |
| 3 #include "lib.h" | |
|
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4 #include "ibuffer.h" |
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5 #include "obuffer.h" |
| 0 | 6 #include "mmap-util.h" |
| 7 #include "rfc822-tokenize.h" | |
|
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8 #include "rfc822-date.h" |
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9 #include "message-size.h" |
|
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10 #include "imap-date.h" |
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11 #include "imap-envelope.h" |
| 0 | 12 #include "index-storage.h" |
|
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13 #include "mail-index-util.h" |
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14 #include "mail-modifylog.h" |
| 0 | 15 #include "mail-search.h" |
| 16 | |
| 17 #include <stdlib.h> | |
| 18 #include <ctype.h> | |
| 19 | |
| 20 #define ARG_SET_RESULT(arg, res) \ | |
| 21 STMT_START { \ | |
| 22 (arg)->result = !(arg)->not ? (res) : -(res); \ | |
| 23 } STMT_END | |
| 24 | |
| 25 typedef struct { | |
| 26 IndexMailbox *ibox; | |
| 27 MailIndexRecord *rec; | |
|
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28 unsigned int client_seq; |
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29 } SearchIndexContext; |
| 0 | 30 |
| 31 typedef struct { | |
| 32 MailSearchArg *args; | |
| 33 int custom_header; | |
| 34 | |
| 35 const char *name, *value; | |
| 184 | 36 size_t name_len, value_len; |
|
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37 } SearchHeaderContext; |
| 0 | 38 |
| 39 typedef struct { | |
| 40 MailSearchArg *args; | |
| 41 const char *msg; | |
| 42 size_t size; | |
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43 |
| 184 | 44 size_t max_searchword_len; |
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45 } SearchTextContext; |
| 0 | 46 |
| 47 static int msgset_contains(const char *set, unsigned int match_num, | |
| 48 unsigned int max_num) | |
| 49 { | |
| 50 unsigned int num, num2; | |
| 51 | |
| 52 while (*set != '\0') { | |
| 53 if (*set == '*') { | |
| 54 set++; | |
| 55 num = max_num; | |
| 56 } else { | |
| 57 num = 0; | |
| 58 while (*set >= '0' && *set <= '9') { | |
| 59 num = num*10 + (*set-'0'); | |
| 60 set++; | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 if (*set == ',' || *set == '\0') { | |
| 65 if (num == match_num) | |
| 66 return TRUE; | |
| 67 if (*set == '\0') | |
| 68 return FALSE; | |
| 69 } else if (*set == ':') { | |
|
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70 set++; |
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71 |
| 0 | 72 if (*set == '*') { |
| 73 set++; | |
| 74 | |
| 75 if (match_num >= num && num <= max_num) | |
| 76 return TRUE; | |
| 77 } else { | |
| 78 num2 = 0; | |
| 79 while (*set >= '0' && *set <= '9') { | |
| 80 num2 = num2*10 + (*set-'0'); | |
| 81 set++; | |
| 82 } | |
| 83 | |
| 84 if (match_num >= num && match_num <= num2) | |
| 85 return TRUE; | |
| 86 } | |
| 87 | |
| 88 if (*set != ',') | |
| 89 return FALSE; | |
| 90 } | |
| 91 | |
| 92 set++; | |
| 93 } | |
| 94 | |
| 95 return FALSE; | |
| 96 } | |
| 97 | |
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98 static uoff_t str_to_uoff_t(const char *str) |
| 46 | 99 { |
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100 uoff_t num; |
| 46 | 101 |
| 102 num = 0; | |
| 103 while (*str != '\0') { | |
| 104 if (*str < '0' || *str > '9') | |
|
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105 return 0; |
| 46 | 106 |
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107 num = num*10 + (*str - '0'); |
| 46 | 108 } |
| 109 | |
| 110 return num; | |
| 111 } | |
| 112 | |
| 0 | 113 /* Returns >0 = matched, 0 = not matched, -1 = unknown */ |
| 114 static int search_arg_match_index(IndexMailbox *ibox, MailIndexRecord *rec, | |
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115 unsigned int client_seq, |
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116 MailSearchArgType type, const char *value) |
| 0 | 117 { |
| 118 time_t t; | |
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119 uoff_t size, user_size; |
| 0 | 120 |
| 121 switch (type) { | |
| 122 case SEARCH_ALL: | |
| 123 return TRUE; | |
| 124 case SEARCH_SET: | |
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125 return msgset_contains(value, client_seq, |
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126 ibox->synced_messages_count); |
| 0 | 127 case SEARCH_UID: |
| 128 return msgset_contains(value, rec->uid, | |
| 129 ibox->synced_messages_count); | |
| 130 | |
| 131 /* flags */ | |
| 132 case SEARCH_ANSWERED: | |
| 133 return rec->msg_flags & MAIL_ANSWERED; | |
| 134 case SEARCH_DELETED: | |
| 135 return rec->msg_flags & MAIL_DELETED; | |
| 136 case SEARCH_DRAFT: | |
| 137 return rec->msg_flags & MAIL_DRAFT; | |
| 138 case SEARCH_FLAGGED: | |
| 139 return rec->msg_flags & MAIL_FLAGGED; | |
| 140 case SEARCH_SEEN: | |
| 141 return rec->msg_flags & MAIL_SEEN; | |
| 142 case SEARCH_RECENT: | |
| 143 return rec->uid >= ibox->index->first_recent_uid; | |
| 144 case SEARCH_KEYWORD: | |
| 145 return FALSE; | |
| 146 | |
| 147 /* dates */ | |
| 148 case SEARCH_BEFORE: | |
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149 if (!imap_parse_date(value, &t)) |
| 0 | 150 return FALSE; |
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151 return rec->internal_date < t; |
| 0 | 152 case SEARCH_ON: |
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153 if (!imap_parse_date(value, &t)) |
| 0 | 154 return FALSE; |
| 155 return rec->internal_date >= t && | |
| 156 rec->internal_date < t + 3600*24; | |
| 157 case SEARCH_SINCE: | |
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158 if (!imap_parse_date(value, &t)) |
| 0 | 159 return FALSE; |
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160 return rec->internal_date >= t; |
| 0 | 161 |
|
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162 /* sizes, only with fastscanning */ |
| 0 | 163 case SEARCH_SMALLER: |
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164 user_size = str_to_uoff_t(value); |
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165 if (mail_index_get_virtual_size(ibox->index, rec, TRUE, &size)) |
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166 return size > 0 && size < user_size; |
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167 |
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168 /* knowing physical size may be enough */ |
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169 if (rec->header_size + rec->body_size >= user_size) |
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170 return 0; |
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171 return -1; |
| 0 | 172 case SEARCH_LARGER: |
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173 user_size = str_to_uoff_t(value); |
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174 if (mail_index_get_virtual_size(ibox->index, rec, TRUE, &size)) |
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175 return size > user_size; |
| 0 | 176 |
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177 /* knowing physical size may be enough */ |
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178 if (rec->header_size + rec->body_size > user_size) |
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179 return 1; |
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180 return -1; |
| 0 | 181 default: |
| 182 return -1; | |
| 183 } | |
| 184 } | |
| 185 | |
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186 static void search_index_arg(MailSearchArg *arg, void *context) |
| 0 | 187 { |
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188 SearchIndexContext *ctx = context; |
| 0 | 189 |
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190 switch (search_arg_match_index(ctx->ibox, ctx->rec, ctx->client_seq, |
| 0 | 191 arg->type, arg->value.str)) { |
| 192 case -1: | |
| 193 /* unknown */ | |
| 194 break; | |
| 195 case 0: | |
| 196 ARG_SET_RESULT(arg, -1); | |
| 197 break; | |
| 198 default: | |
| 199 ARG_SET_RESULT(arg, 1); | |
| 200 break; | |
| 201 } | |
| 202 } | |
| 203 | |
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204 static int search_sent(MailSearchArgType type, const char *value, |
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205 const char *sent_value) |
| 0 | 206 { |
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207 time_t search_time, sent_time; |
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208 int timezone_offset; |
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209 |
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210 if (!imap_parse_date(value, &search_time)) |
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211 return 0; |
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212 |
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213 /* NOTE: RFC2060 doesn't specify if timezones should affect |
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214 matching, so we ignore them. */ |
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215 if (!rfc822_parse_date(sent_value, &sent_time, &timezone_offset)) |
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216 return 0; |
| 0 | 217 |
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218 switch (type) { |
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219 case SEARCH_SENTBEFORE: |
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220 return sent_time < search_time; |
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221 case SEARCH_SENTON: |
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222 return sent_time >= search_time && |
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223 sent_time < search_time + 3600*24; |
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224 case SEARCH_SENTSINCE: |
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225 return sent_time >= search_time; |
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226 default: |
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227 i_assert(0); |
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228 } |
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229 } |
| 0 | 230 |
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231 static int search_substr(const char *haystack, const char *needle) |
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232 { |
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233 size_t i, needle_len; |
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234 |
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235 /* note: needle is already uppercased */ |
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236 needle_len = strlen(needle); |
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237 for (i = 0; haystack[i] != '\0'; i++) { |
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238 if (needle[0] == i_toupper(haystack[i]) && |
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239 strncasecmp(needle, haystack+i, needle_len) == 0) |
| 0 | 240 return 1; |
| 241 } | |
| 242 | |
| 243 return 0; | |
| 244 } | |
| 245 | |
| 246 /* Returns >0 = matched, 0 = not matched, -1 = unknown */ | |
| 247 static int search_arg_match_cached(MailIndex *index, MailIndexRecord *rec, | |
| 248 MailSearchArgType type, const char *value) | |
| 249 { | |
|
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250 ImapEnvelopeField env_field; |
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251 const char *envelope, *field; |
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252 int ret; |
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253 |
| 0 | 254 switch (type) { |
|
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255 case SEARCH_SENTBEFORE: |
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256 case SEARCH_SENTON: |
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257 case SEARCH_SENTSINCE: |
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258 env_field = IMAP_ENVELOPE_DATE; |
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259 break; |
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260 |
| 0 | 261 case SEARCH_FROM: |
|
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262 env_field = IMAP_ENVELOPE_FROM; |
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263 break; |
| 0 | 264 case SEARCH_TO: |
|
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265 env_field = IMAP_ENVELOPE_TO; |
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266 break; |
| 0 | 267 case SEARCH_CC: |
|
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268 env_field = IMAP_ENVELOPE_CC; |
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269 break; |
| 0 | 270 case SEARCH_BCC: |
|
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271 env_field = IMAP_ENVELOPE_BCC; |
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272 break; |
| 0 | 273 case SEARCH_SUBJECT: |
|
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274 env_field = IMAP_ENVELOPE_SUBJECT; |
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275 break; |
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276 |
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277 case SEARCH_IN_REPLY_TO: |
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278 env_field = IMAP_ENVELOPE_IN_REPLY_TO; |
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279 break; |
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280 case SEARCH_MESSAGE_ID: |
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281 env_field = IMAP_ENVELOPE_MESSAGE_ID; |
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282 break; |
| 0 | 283 default: |
| 284 return -1; | |
| 285 } | |
|
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286 |
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287 t_push(); |
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288 |
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289 /* get field from hopefully cached envelope */ |
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290 envelope = index->lookup_field(index, rec, FIELD_TYPE_ENVELOPE); |
|
458
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291 if (envelope != NULL) |
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292 field = imap_envelope_parse(envelope, env_field); |
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293 else { |
|
461
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294 index->cache_fields_later(index, FIELD_TYPE_ENVELOPE); |
|
458
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295 field = NULL; |
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296 } |
|
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297 |
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298 if (field == NULL) |
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299 ret = -1; |
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300 else { |
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301 switch (type) { |
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302 case SEARCH_SENTBEFORE: |
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303 case SEARCH_SENTON: |
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304 case SEARCH_SENTSINCE: |
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305 ret = search_sent(type, value, field); |
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306 default: |
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307 ret = search_substr(field, value); |
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308 } |
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309 } |
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310 t_pop(); |
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311 return ret; |
| 0 | 312 } |
| 313 | |
|
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314 static void search_cached_arg(MailSearchArg *arg, void *context) |
| 0 | 315 { |
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316 SearchIndexContext *ctx = context; |
| 0 | 317 |
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318 switch (search_arg_match_cached(ctx->ibox->index, ctx->rec, |
| 0 | 319 arg->type, arg->value.str)) { |
| 320 case -1: | |
| 321 /* unknown */ | |
| 322 break; | |
| 323 case 0: | |
| 324 ARG_SET_RESULT(arg, -1); | |
| 325 break; | |
| 326 default: | |
| 327 ARG_SET_RESULT(arg, 1); | |
| 328 break; | |
| 329 } | |
| 330 } | |
| 331 | |
|
160
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332 /* Returns >0 = matched, 0 = not matched, -1 = unknown */ |
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333 static int search_arg_match_slow(MailIndex *index, MailIndexRecord *rec, |
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334 MailSearchArgType type, const char *value) |
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335 { |
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336 uoff_t size; |
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337 |
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338 switch (type) { |
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339 /* sizes, only with fastscanning */ |
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340 case SEARCH_SMALLER: |
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341 if (!mail_index_get_virtual_size(index, rec, FALSE, &size)) |
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342 return -1; |
|
456
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If maildir files are unexpectedly deleted, don't treat it as error, and
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343 return size > 0 && size < str_to_uoff_t(value); |
|
160
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344 case SEARCH_LARGER: |
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345 if (!mail_index_get_virtual_size(index, rec, FALSE, &size)) |
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346 return -1; |
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347 return size > str_to_uoff_t(value); |
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348 |
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349 default: |
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350 return -1; |
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351 } |
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352 } |
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353 |
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354 static void search_slow_arg(MailSearchArg *arg, void *context) |
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355 { |
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356 SearchIndexContext *ctx = context; |
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357 |
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358 switch (search_arg_match_slow(ctx->ibox->index, ctx->rec, |
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359 arg->type, arg->value.str)) { |
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360 case -1: |
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361 /* unknown */ |
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362 break; |
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363 case 0: |
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364 ARG_SET_RESULT(arg, -1); |
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365 break; |
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366 default: |
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367 ARG_SET_RESULT(arg, 1); |
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368 break; |
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369 } |
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370 } |
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371 |
| 0 | 372 /* needle must be uppercased */ |
| 184 | 373 static int header_value_match(const char *haystack, size_t haystack_len, |
| 0 | 374 const char *needle) |
| 375 { | |
| 376 const char *n; | |
| 184 | 377 size_t i, j, needle_len, max; |
| 0 | 378 |
| 379 if (*needle == '\0') | |
| 380 return TRUE; | |
| 381 | |
| 382 needle_len = strlen(needle); | |
| 383 if (haystack_len < needle_len) | |
| 384 return FALSE; | |
| 385 | |
| 386 max = haystack_len - needle_len; | |
| 387 for (i = 0; i <= max; i++) { | |
| 388 if (needle[0] != i_toupper(haystack[i])) | |
| 389 continue; | |
| 390 | |
| 391 for (j = i, n = needle; j < haystack_len; j++) { | |
| 392 if (haystack[j] == '\r') { | |
| 393 if (j+1 != haystack_len) | |
| 394 j++; | |
| 395 } | |
| 396 | |
| 397 if (haystack[j] == '\n' && j+1 < haystack_len && | |
| 398 IS_LWSP(haystack[j+1])) { | |
| 399 /* long header continuation */ | |
| 400 j++; | |
| 401 } | |
| 402 | |
| 403 if (*n++ != i_toupper(haystack[j])) | |
| 404 break; | |
| 405 | |
| 406 if (*n == '\0') | |
| 407 return 1; | |
| 408 } | |
| 409 } | |
| 410 | |
| 411 return -1; | |
| 412 } | |
| 413 | |
|
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414 static void search_header_arg(MailSearchArg *arg, void *context) |
| 0 | 415 { |
|
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|
416 SearchHeaderContext *ctx = context; |
| 0 | 417 const char *value; |
| 184 | 418 size_t len; |
| 0 | 419 int ret; |
| 420 | |
| 421 /* first check that the field name matches to argument. */ | |
| 422 switch (arg->type) { | |
|
408
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423 case SEARCH_SENTBEFORE: |
|
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424 case SEARCH_SENTON: |
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425 case SEARCH_SENTSINCE: |
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|
426 /* date is handled differently than others */ |
|
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|
427 if (ctx->name_len == 4 && |
|
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|
428 strncasecmp(ctx->name, "Date", 4) == 0) { |
|
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|
429 search_sent(arg->type, arg->value.str, |
|
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430 t_strndup(ctx->value, ctx->value_len)); |
|
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431 } |
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432 return; |
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|
433 |
| 0 | 434 case SEARCH_FROM: |
|
10
82b7de533f98
s/user_data/context/ and some s/Data/Context/
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|
435 if (ctx->name_len != 4 || |
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|
436 strncasecmp(ctx->name, "From", 4) != 0) |
| 0 | 437 return; |
| 438 value = arg->value.str; | |
| 439 break; | |
| 440 case SEARCH_TO: | |
|
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441 if (ctx->name_len != 2 || |
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|
442 strncasecmp(ctx->name, "To", 2) != 0) |
| 0 | 443 return; |
| 444 value = arg->value.str; | |
| 445 break; | |
| 446 case SEARCH_CC: | |
|
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447 if (ctx->name_len != 2 || |
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|
448 strncasecmp(ctx->name, "Cc", 2) != 0) |
| 0 | 449 return; |
| 450 value = arg->value.str; | |
| 451 break; | |
| 452 case SEARCH_BCC: | |
|
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453 if (ctx->name_len != 3 || |
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|
454 strncasecmp(ctx->name, "Bcc", 3) != 0) |
| 0 | 455 return; |
| 456 value = arg->value.str; | |
| 457 break; | |
| 458 case SEARCH_SUBJECT: | |
|
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459 if (ctx->name_len != 7 || |
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460 strncasecmp(ctx->name, "Subject", 7) != 0) |
| 0 | 461 return; |
| 462 value = arg->value.str; | |
| 463 break; | |
| 464 case SEARCH_HEADER: | |
|
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465 ctx->custom_header = TRUE; |
| 0 | 466 |
| 467 len = strlen(arg->value.str); | |
|
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468 if (ctx->name_len != len || |
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469 strncasecmp(ctx->name, arg->value.str, len) != 0) |
| 0 | 470 return; |
| 471 | |
| 472 value = arg->hdr_value; | |
| 473 default: | |
| 474 return; | |
| 475 } | |
| 476 | |
| 477 /* then check if the value matches */ | |
|
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478 ret = header_value_match(ctx->value, ctx->value_len, value); |
| 0 | 479 ARG_SET_RESULT(arg, ret); |
| 480 } | |
| 481 | |
| 482 static void search_header(MessagePart *part __attr_unused__, | |
| 184 | 483 const char *name, size_t name_len, |
| 484 const char *value, size_t value_len, | |
|
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485 void *context) |
| 0 | 486 { |
|
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487 SearchHeaderContext *ctx = context; |
| 0 | 488 |
|
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489 if ((name_len > 0 && ctx->custom_header) || |
|
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490 (name_len == 4 && strncasecmp(name, "Date", 4) == 0) || |
| 0 | 491 (name_len == 4 && strncasecmp(name, "From", 4) == 0) || |
| 492 (name_len == 2 && strncasecmp(name, "To", 2) == 0) || | |
| 493 (name_len == 2 && strncasecmp(name, "Cc", 2) == 0) || | |
| 494 (name_len == 3 && strncasecmp(name, "Bcc", 3) == 0) || | |
| 495 (name_len == 7 && strncasecmp(name, "Subject", 7) == 0)) { | |
|
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496 ctx->name = name; |
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497 ctx->value = value; |
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498 ctx->name_len = name_len; |
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499 ctx->value_len = value_len; |
| 0 | 500 |
|
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501 ctx->custom_header = FALSE; |
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502 mail_search_args_foreach(ctx->args, search_header_arg, ctx); |
| 0 | 503 } |
| 504 } | |
| 505 | |
|
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506 static void search_text(MailSearchArg *arg, SearchTextContext *ctx) |
| 0 | 507 { |
| 508 const char *p; | |
| 184 | 509 size_t i, len, max; |
| 0 | 510 |
| 511 if (arg->result != 0) | |
| 512 return; | |
| 513 | |
| 514 len = strlen(arg->value.str); | |
|
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515 if (len > ctx->max_searchword_len) |
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|
516 ctx->max_searchword_len = len; |
|
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517 |
|
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518 if (ctx->size >= len) { |
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|
519 max = ctx->size-len; |
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520 for (i = 0, p = ctx->msg; i <= max; i++, p++) { |
|
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Message data is parsed in blocks (no longer entirely mmap()ed). Several
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|
521 if (i_toupper(*p) == arg->value.str[0] && |
|
1b34ec11fff8
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|
522 strncasecmp(p, arg->value.str, len) == 0) { |
|
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
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523 /* match */ |
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|
524 ARG_SET_RESULT(arg, 1); |
|
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Message data is parsed in blocks (no longer entirely mmap()ed). Several
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|
525 return; |
|
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Message data is parsed in blocks (no longer entirely mmap()ed). Several
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changeset
|
526 } |
| 0 | 527 } |
| 528 } | |
| 529 } | |
| 530 | |
|
10
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s/user_data/context/ and some s/Data/Context/
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diff
changeset
|
531 static void search_text_header(MailSearchArg *arg, void *context) |
| 0 | 532 { |
|
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|
533 SearchTextContext *ctx = context; |
| 0 | 534 |
| 535 if (arg->type == SEARCH_TEXT) | |
|
10
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|
536 search_text(arg, ctx); |
| 0 | 537 } |
| 538 | |
|
10
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diff
changeset
|
539 static void search_text_body(MailSearchArg *arg, void *context) |
| 0 | 540 { |
|
10
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changeset
|
541 SearchTextContext *ctx = context; |
| 0 | 542 |
| 543 if (arg->type == SEARCH_TEXT || arg->type == SEARCH_BODY) | |
|
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diff
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|
544 search_text(arg, ctx); |
| 0 | 545 } |
| 546 | |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
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diff
changeset
|
547 static void search_arg_match_data(IBuffer *inbuf, uoff_t max_size, |
|
5
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
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0
diff
changeset
|
548 MailSearchArg *args, |
|
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
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0
diff
changeset
|
549 MailSearchForeachFunc search_func) |
|
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
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diff
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|
550 { |
|
10
82b7de533f98
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diff
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|
551 SearchTextContext ctx; |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
552 const unsigned char *data; |
|
290
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
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diff
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|
553 size_t size, max_searchword_len; |
|
5
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
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diff
changeset
|
554 |
|
10
82b7de533f98
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parents:
5
diff
changeset
|
555 memset(&ctx, 0, sizeof(ctx)); |
|
82b7de533f98
s/user_data/context/ and some s/Data/Context/
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parents:
5
diff
changeset
|
556 ctx.args = args; |
|
5
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
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0
diff
changeset
|
557 |
|
290
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
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diff
changeset
|
558 /* first get the max. search keyword length */ |
|
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
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diff
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|
559 mail_search_args_foreach(args, search_func, &ctx); |
|
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IOBuffer cleanup, hopefully fixes some mbox problems.
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223
diff
changeset
|
560 max_searchword_len = ctx.max_searchword_len; |
|
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IOBuffer cleanup, hopefully fixes some mbox problems.
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diff
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|
561 |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
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408
diff
changeset
|
562 i_buffer_set_read_limit(inbuf, inbuf->v_offset + max_size); |
|
290
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
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223
diff
changeset
|
563 |
|
5
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
564 /* do this in blocks: read data, compare it for all search words, skip |
|
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
565 for block size - (strlen(largest_searchword)-1) and continue. */ |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
408
diff
changeset
|
566 while (i_buffer_read_data(inbuf, &data, &size, |
|
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
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408
diff
changeset
|
567 max_searchword_len-1) > 0) { |
|
505
78ae6262d6ca
More (char *) -> (const char *) fixes
Timo Sirainen <tss@iki.fi>
parents:
461
diff
changeset
|
568 ctx.msg = (const char *) data; |
|
290
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
569 ctx.size = size; |
|
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
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223
diff
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|
570 mail_search_args_foreach(args, search_func, &ctx); |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
408
diff
changeset
|
571 i_buffer_skip(inbuf, size - (max_searchword_len-1)); |
|
290
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
Timo Sirainen <tss@iki.fi>
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diff
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|
572 } |
|
5
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
573 |
|
290
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
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parents:
223
diff
changeset
|
574 if (size > 0) { |
|
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
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diff
changeset
|
575 /* last block */ |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
408
diff
changeset
|
576 ctx.msg = (const char *) data; |
|
290
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
Timo Sirainen <tss@iki.fi>
parents:
223
diff
changeset
|
577 ctx.size = size; |
|
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
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parents:
223
diff
changeset
|
578 mail_search_args_foreach(args, search_func, &ctx); |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
408
diff
changeset
|
579 i_buffer_skip(inbuf, size); |
|
290
3dcc2275b4ca
IOBuffer cleanup, hopefully fixes some mbox problems.
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parents:
223
diff
changeset
|
580 } |
|
5
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
581 |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
408
diff
changeset
|
582 i_buffer_set_read_limit(inbuf, 0); |
|
5
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
583 } |
|
1b34ec11fff8
Message data is parsed in blocks (no longer entirely mmap()ed). Several
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
584 |
| 0 | 585 static int search_arg_match_text(IndexMailbox *ibox, MailIndexRecord *rec, |
| 586 MailSearchArg *args) | |
| 587 { | |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
408
diff
changeset
|
588 IBuffer *inbuf; |
|
408
e057845d94ca
Dropped sent_time and alignment from MailIndexRecord. SEARCH can now use
Timo Sirainen <tss@iki.fi>
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589 MessageSize hdr_size; |
|
456
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590 int have_headers, have_body, have_text, deleted; |
| 0 | 591 |
| 592 /* first check what we need to use */ | |
| 593 mail_search_args_analyze(args, &have_headers, &have_body, &have_text); | |
| 594 if (!have_headers && !have_body && !have_text) | |
| 595 return TRUE; | |
| 596 | |
|
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597 inbuf = ibox->index->open_mail(ibox->index, rec, &deleted); |
|
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598 if (inbuf == NULL) |
| 0 | 599 return FALSE; |
| 600 | |
|
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601 if (have_headers) { |
|
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602 SearchHeaderContext ctx; |
|
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603 |
|
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604 memset(&ctx, 0, sizeof(ctx)); |
| 0 | 605 |
|
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606 /* header checks */ |
|
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607 ctx.custom_header = TRUE; |
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608 ctx.args = args; |
|
408
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609 message_parse_header(NULL, inbuf, &hdr_size, |
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610 search_header, &ctx); |
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611 |
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612 i_assert(rec->header_size == 0 || |
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613 hdr_size.physical_size == rec->header_size); |
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614 } else if (rec->header_size == 0) { |
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615 message_get_header_size(inbuf, &hdr_size); |
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616 } else { |
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617 hdr_size.physical_size = rec->header_size; |
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618 } |
| 0 | 619 |
|
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620 if (have_text) { |
|
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621 if (inbuf->v_offset != 0) { |
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622 /* need to rewind back to beginning of headers */ |
|
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623 if (!i_buffer_seek(inbuf, 0)) { |
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624 errno = inbuf->buf_errno; |
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625 i_error("i_buffer_seek() failed: %m"); |
|
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626 return FALSE; |
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627 } |
| 0 | 628 } |
| 629 | |
|
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630 search_arg_match_data(inbuf, hdr_size.physical_size, |
|
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|
631 args, search_text_header); |
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632 } |
| 0 | 633 |
|
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|
634 if (have_text || have_body) { |
|
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635 if (inbuf->v_offset == 0) { |
|
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|
636 /* skip over headers */ |
|
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637 i_buffer_skip(inbuf, hdr_size.physical_size); |
| 0 | 638 } |
| 639 | |
|
211
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640 search_arg_match_data(inbuf, rec->body_size, args, |
|
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641 search_text_body); |
| 0 | 642 } |
| 643 | |
|
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644 i_buffer_unref(inbuf); |
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645 return TRUE; |
| 0 | 646 } |
| 647 | |
| 648 static void seq_update(const char *set, unsigned int *first_seq, | |
| 649 unsigned int *last_seq, unsigned int max_value) | |
| 650 { | |
| 651 unsigned int seq; | |
| 652 | |
| 653 while (*set != '\0') { | |
| 654 if (*set == '*') { | |
| 655 seq = max_value; | |
| 656 set++; | |
| 657 } else { | |
| 658 seq = 0; | |
| 659 while (*set >= '0' && *set <= '9') { | |
| 660 seq = seq*10 + (*set-'0'); | |
| 661 set++; | |
| 662 } | |
| 663 } | |
| 664 | |
| 665 if (seq != 0) { | |
| 666 if (*first_seq == 0 || seq < *first_seq) | |
| 667 *first_seq = seq; | |
| 668 if (*last_seq == 0 || seq > *last_seq) | |
| 669 *last_seq = seq; | |
| 670 } | |
| 671 | |
| 46 | 672 set++; |
| 0 | 673 } |
| 674 } | |
| 675 | |
| 676 static void search_get_sequid(IndexMailbox *ibox, MailSearchArg *args, | |
| 677 unsigned int *first_seq, unsigned int *last_seq, | |
| 678 unsigned int *first_uid, unsigned int *last_uid) | |
| 679 { | |
| 680 for (; args != NULL; args = args->next) { | |
| 681 if (args->type == SEARCH_OR || args->type == SEARCH_SUB) { | |
| 682 search_get_sequid(ibox, args->value.subargs, | |
| 683 first_seq, last_seq, | |
| 684 first_uid, last_uid); | |
| 685 } if (args->type == SEARCH_SET) { | |
| 686 seq_update(args->value.str, first_seq, last_seq, | |
| 687 ibox->synced_messages_count); | |
| 688 } else if (args->type == SEARCH_UID) { | |
| 689 seq_update(args->value.str, first_uid, last_uid, | |
| 690 ibox->index->header->next_uid-1); | |
| 691 } else if (args->type == SEARCH_ALL) { | |
| 692 /* go through everything */ | |
| 693 *first_seq = 1; | |
| 694 *last_seq = ibox->synced_messages_count; | |
| 695 return; | |
| 696 } | |
| 697 } | |
| 698 } | |
| 699 | |
|
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700 static int search_limit_by_flags(IndexMailbox *ibox, MailSearchArg *args, |
|
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701 unsigned int *first_uid, |
|
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702 unsigned int *last_uid) |
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703 { |
|
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|
704 MailIndexHeader *hdr; |
|
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705 unsigned int uid; |
|
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|
706 |
|
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|
707 hdr = ibox->index->header; |
|
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|
708 for (; args != NULL; args = args->next) { |
|
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|
709 if (args->type == SEARCH_SEEN) { |
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|
710 /* SEEN with 0 seen? */ |
|
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|
711 if (!args->not && hdr->seen_messages_count == 0) |
|
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|
712 return FALSE; |
|
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|
713 |
|
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441
diff
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|
714 /* UNSEEN with all seen? */ |
|
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|
715 if (args->not && |
|
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|
716 hdr->seen_messages_count == hdr->messages_count) |
|
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|
717 return FALSE; |
|
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|
718 |
|
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|
719 /* UNSEEN with lowwater limiting */ |
|
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|
720 uid = hdr->first_unseen_uid_lowwater; |
|
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|
721 if (args->not && *first_uid < uid) |
|
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|
722 *first_uid = uid; |
|
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|
723 } |
|
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diff
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|
724 |
|
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|
725 if (args->type == SEARCH_DELETED) { |
|
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diff
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|
726 /* DELETED with 0 deleted? */ |
|
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|
727 if (!args->not && hdr->deleted_messages_count == 0) |
|
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|
728 return FALSE; |
|
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|
729 |
|
2a25bf21557b
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|
730 /* UNDELETED with all deleted? */ |
|
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|
731 if (!args->not && |
|
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|
732 hdr->deleted_messages_count == hdr->messages_count) |
|
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|
733 return FALSE; |
|
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|
734 |
|
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|
735 /* DELETED with lowwater limiting */ |
|
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|
736 uid = hdr->first_deleted_uid_lowwater; |
|
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|
737 if (!args->not && *first_uid < uid) |
|
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|
738 *first_uid = uid; |
|
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739 } |
|
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|
740 |
|
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|
741 if (args->type == SEARCH_RECENT) { |
|
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742 uid = ibox->index->first_recent_uid; |
|
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|
743 if (!args->not && *first_uid < uid) |
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|
744 *first_uid = ibox->index->first_recent_uid; |
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745 else if (args->not && *last_uid >= uid) |
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|
746 *last_uid = uid-1; |
|
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747 } |
|
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748 } |
|
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749 |
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750 return *first_uid <= *last_uid; |
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751 } |
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752 |
|
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753 static unsigned int client_seq_to_uid(MailIndex *index, unsigned int seq) |
| 0 | 754 { |
| 755 MailIndexRecord *rec; | |
|
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756 unsigned int expunges_before; |
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757 |
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758 (void)mail_modifylog_seq_get_expunges(index->modifylog, seq, seq, |
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759 &expunges_before); |
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760 seq -= expunges_before; |
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761 |
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762 rec = index->lookup(index, seq); |
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763 return rec == NULL ? 0 : rec->uid; |
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764 } |
| 0 | 765 |
|
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766 static int search_get_uid_range(IndexMailbox *ibox, MailSearchArg *args, |
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767 unsigned int *first_uid, |
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768 unsigned int *last_uid) |
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769 { |
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770 unsigned int first_seq, last_seq, uid; |
| 0 | 771 |
|
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772 *first_uid = *last_uid = 0; |
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773 first_seq = last_seq = 0; |
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774 |
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775 search_get_sequid(ibox, args, &first_seq, &last_seq, |
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776 first_uid, last_uid); |
| 0 | 777 |
| 51 | 778 /* seq_update() should make sure that these can't happen */ |
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779 i_assert(first_seq <= last_seq); |
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780 i_assert(*first_uid <= *last_uid); |
| 51 | 781 |
|
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782 if (first_seq > 1) { |
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783 uid = client_seq_to_uid(ibox->index, first_seq); |
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784 if (uid == 0) |
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785 return FALSE; |
| 0 | 786 |
|
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787 if (*first_uid == 0 || uid < *first_uid) |
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788 *first_uid = uid; |
| 0 | 789 } |
| 790 | |
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791 if (last_seq > 1 && last_seq != ibox->synced_messages_count) { |
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792 uid = client_seq_to_uid(ibox->index, last_seq); |
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793 if (uid == 0) |
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794 return FALSE; |
| 51 | 795 |
|
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796 if (uid > *last_uid) |
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797 *last_uid = uid; |
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798 } |
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799 |
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800 if (*first_uid == 0) |
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801 *first_uid = 1; |
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802 if (*last_uid == 0) |
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803 *last_uid = ibox->index->header->next_uid-1; |
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804 |
|
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805 /* UNSEEN and DELETED in root search level may limit the range */ |
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806 if (!search_limit_by_flags(ibox, args, first_uid, last_uid)) |
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807 return FALSE; |
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|
808 |
|
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809 i_assert(*first_uid <= *last_uid); |
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810 return TRUE; |
| 0 | 811 } |
| 812 | |
|
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813 static int search_messages(IndexMailbox *ibox, MailSearchArg *args, |
|
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814 OBuffer *outbuf, int uid_result) |
| 0 | 815 { |
|
10
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|
816 SearchIndexContext ctx; |
| 0 | 817 MailIndexRecord *rec; |
|
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818 MailSearchArg *arg; |
|
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819 const ModifyLogExpunge *expunges; |
|
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|
820 unsigned int first_uid, last_uid, client_seq, expunges_before; |
|
183
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821 char num[MAX_LARGEST_T_STRLEN+10]; |
|
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822 int found; |
| 0 | 823 |
| 51 | 824 if (ibox->synced_messages_count == 0) |
|
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825 return TRUE; |
| 51 | 826 |
| 0 | 827 /* see if we can limit the records we look at */ |
|
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828 if (!search_get_uid_range(ibox, args, &first_uid, &last_uid)) |
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|
829 return TRUE; |
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|
830 |
|
355
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|
831 rec = ibox->index->lookup_uid_range(ibox->index, first_uid, last_uid, |
|
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832 &client_seq); |
|
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833 if (rec == NULL) |
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|
834 return TRUE; |
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|
835 |
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836 expunges = mail_modifylog_uid_get_expunges(ibox->index->modifylog, |
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837 rec->uid, last_uid, |
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838 &expunges_before); |
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839 client_seq += expunges_before; |
| 0 | 840 |
|
10
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|
841 ctx.ibox = ibox; |
|
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842 for (; rec != NULL && rec->uid <= last_uid; client_seq++) { |
|
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843 while (expunges->uid1 != 0 && expunges->uid1 < rec->uid) { |
|
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|
844 i_assert(expunges->uid2 < rec->uid); |
|
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845 |
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846 expunges++; |
|
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|
847 client_seq += expunges->seq_count; |
|
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|
848 } |
|
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|
849 i_assert(!(expunges->uid1 <= rec->uid && |
|
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|
850 expunges->uid2 >= rec->uid)); |
|
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|
851 |
|
10
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|
852 ctx.rec = rec; |
|
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853 ctx.client_seq = client_seq; |
| 0 | 854 |
| 855 mail_search_args_reset(args); | |
| 856 | |
|
10
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|
857 mail_search_args_foreach(args, search_index_arg, &ctx); |
|
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|
858 mail_search_args_foreach(args, search_cached_arg, &ctx); |
|
160
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|
859 mail_search_args_foreach(args, search_slow_arg, &ctx); |
| 0 | 860 |
|
317
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861 if (search_arg_match_text(ibox, rec, args)) { |
|
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862 found = TRUE; |
|
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|
863 for (arg = args; arg != NULL; arg = arg->next) { |
|
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|
864 if (arg->result != 1) { |
|
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|
865 found = FALSE; |
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|
866 break; |
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|
867 } |
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|
868 } |
|
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|
869 |
|
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|
870 if (found) { |
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|
871 i_snprintf(num, sizeof(num), " %u", |
|
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|
872 uid_result ? rec->uid : client_seq); |
|
410
1f0e7229ee58
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diff
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|
873 o_buffer_send(outbuf, num, strlen(num)); |
|
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|
874 } |
| 0 | 875 } |
|
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|
876 |
| 0 | 877 rec = ibox->index->next(ibox->index, rec); |
| 878 } | |
|
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|
879 |
|
276b7a53c264
Modify log fixes. STORE and SEARCH didn't handle properly message sequence
Timo Sirainen <tss@iki.fi>
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changeset
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880 return TRUE; |
| 0 | 881 } |
| 882 | |
| 883 int index_storage_search(Mailbox *box, MailSearchArg *args, | |
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410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
408
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884 OBuffer *outbuf, int uid_result) |
| 0 | 885 { |
| 886 IndexMailbox *ibox = (IndexMailbox *) box; | |
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327
276b7a53c264
Modify log fixes. STORE and SEARCH didn't handle properly message sequence
Timo Sirainen <tss@iki.fi>
parents:
317
diff
changeset
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887 int failed; |
| 0 | 888 |
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453
0f6fd6802265
Modify log now stores the changes in ranges, so store 1:100 doesn't
Timo Sirainen <tss@iki.fi>
parents:
450
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changeset
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889 if (!index_storage_sync_index_if_possible(ibox, TRUE)) |
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223
ca6967899c05
More cleanups. lib-storage should handle "out of disk space" conditions
Timo Sirainen <tss@iki.fi>
parents:
222
diff
changeset
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890 return FALSE; |
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222
cf4d065f2f85
lots of cleanups. also index/datafile is now capable of staying in memory,
Timo Sirainen <tss@iki.fi>
parents:
216
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changeset
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891 |
| 0 | 892 if (!ibox->index->set_lock(ibox->index, MAIL_LOCK_SHARED)) |
| 51 | 893 return mail_storage_set_index_error(ibox); |
| 894 | |
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410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
408
diff
changeset
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895 o_buffer_send(outbuf, "* SEARCH", 8); |
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327
276b7a53c264
Modify log fixes. STORE and SEARCH didn't handle properly message sequence
Timo Sirainen <tss@iki.fi>
parents:
317
diff
changeset
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896 failed = !search_messages(ibox, args, outbuf, uid_result); |
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410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
408
diff
changeset
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897 o_buffer_send(outbuf, "\r\n", 2); |
| 0 | 898 |
| 51 | 899 if (!ibox->index->set_lock(ibox->index, MAIL_LOCK_UNLOCK)) |
| 900 return mail_storage_set_index_error(ibox); | |
| 0 | 901 |
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327
276b7a53c264
Modify log fixes. STORE and SEARCH didn't handle properly message sequence
Timo Sirainen <tss@iki.fi>
parents:
317
diff
changeset
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902 return !failed; |
| 0 | 903 } |