Mercurial > dovecot > core-2.2
view src/doveadm/doveadm-mail-fetch.c @ 13287:957060ca5b69
Moved GUID code to liblib. Use guid_128_t type consistently everywhere.
author | Timo Sirainen <tss@iki.fi> |
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date | Thu, 25 Aug 2011 01:16:11 +0300 |
parents | 24a983a9ff6f |
children | 276a39ebda4d |
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/* Copyright (c) 2010-2011 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "array.h" #include "istream.h" #include "ostream.h" #include "str.h" #include "message-size.h" #include "imap-util.h" #include "mail-user.h" #include "mail-storage.h" #include "mail-search.h" #include "mail-namespace.h" #include "doveadm-print.h" #include "doveadm-mail.h" #include "doveadm-mail-list-iter.h" #include "doveadm-mail-iter.h" #include <stdio.h> struct fetch_cmd_context { struct doveadm_mail_cmd_context ctx; struct ostream *output; struct mail *mail; ARRAY_DEFINE(fields, const struct fetch_field); ARRAY_TYPE(const_string) header_fields; enum mail_fetch_field wanted_fields; const struct fetch_field *cur_field; }; struct fetch_field { const char *name; enum mail_fetch_field wanted_fields; int (*print)(struct fetch_cmd_context *ctx); }; static int fetch_user(struct fetch_cmd_context *ctx) { doveadm_print(ctx->ctx.cur_mail_user->username); return 0; } static int fetch_mailbox(struct fetch_cmd_context *ctx) { const char *value; if (mail_get_special(ctx->mail, MAIL_FETCH_MAILBOX_NAME, &value) < 0) return -1; doveadm_print(value); return 0; } static int fetch_mailbox_guid(struct fetch_cmd_context *ctx) { struct mailbox_metadata metadata; if (mailbox_get_metadata(ctx->mail->box, MAILBOX_METADATA_GUID, &metadata) < 0) return -1; doveadm_print(guid_128_to_string(metadata.guid)); return 0; } static int fetch_seq(struct fetch_cmd_context *ctx) { doveadm_print_num(ctx->mail->seq); return 0; } static int fetch_uid(struct fetch_cmd_context *ctx) { doveadm_print_num(ctx->mail->uid); return 0; } static int fetch_guid(struct fetch_cmd_context *ctx) { const char *value; if (mail_get_special(ctx->mail, MAIL_FETCH_GUID, &value) < 0) return -1; doveadm_print(value); return 0; } static int fetch_flags(struct fetch_cmd_context *ctx) { string_t *str = t_str_new(64); imap_write_flags(str, mail_get_flags(ctx->mail), mail_get_keywords(ctx->mail)); doveadm_print(str_c(str)); return 0; } static int fetch_hdr(struct fetch_cmd_context *ctx) { struct istream *input; struct message_size hdr_size; const unsigned char *data; size_t size; int ret = 0; if (mail_get_stream(ctx->mail, &hdr_size, NULL, &input) < 0) return -1; input = i_stream_create_limit(input, hdr_size.physical_size); while (!i_stream_is_eof(input)) { if (i_stream_read_data(input, &data, &size, 0) == -1) break; if (size == 0) break; doveadm_print_stream(data, size); i_stream_skip(input, size); } if (input->stream_errno != 0) { i_error("read() failed: %m"); ret = -1; } i_stream_unref(&input); doveadm_print_stream(NULL, 0); return ret; } static int fetch_hdr_field(struct fetch_cmd_context *ctx) { const char *const *value; string_t *str = t_str_new(256); bool add_lf = FALSE; if (mail_get_headers(ctx->mail, ctx->cur_field->name, &value) < 0) return -1; for (; *value != NULL; value++) { if (add_lf) str_append_c(str, '\n'); str_append(str, *value); add_lf = TRUE; } doveadm_print(str_c(str)); return 0; } static int fetch_body(struct fetch_cmd_context *ctx) { struct istream *input; struct message_size hdr_size; const unsigned char *data; size_t size; int ret = 0; if (mail_get_stream(ctx->mail, &hdr_size, NULL, &input) < 0) return -1; i_stream_skip(input, hdr_size.physical_size); while (!i_stream_is_eof(input)) { if (i_stream_read_data(input, &data, &size, 0) == -1) break; if (size == 0) break; doveadm_print_stream(data, size); i_stream_skip(input, size); } if (input->stream_errno != 0) { i_error("read() failed: %m"); ret = -1; } doveadm_print_stream(NULL, 0); return ret; } static int fetch_text(struct fetch_cmd_context *ctx) { struct istream *input; const unsigned char *data; size_t size; int ret = 0; if (mail_get_stream(ctx->mail, NULL, NULL, &input) < 0) return -1; while (!i_stream_is_eof(input)) { if (i_stream_read_data(input, &data, &size, 0) == -1) break; if (size == 0) break; doveadm_print_stream(data, size); i_stream_skip(input, size); } if (input->stream_errno != 0) { i_error("read() failed: %m"); ret = -1; } doveadm_print_stream(NULL, 0); return ret; } static int fetch_size_physical(struct fetch_cmd_context *ctx) { uoff_t size; if (mail_get_physical_size(ctx->mail, &size) < 0) return -1; doveadm_print_num(size); return 0; } static int fetch_size_virtual(struct fetch_cmd_context *ctx) { uoff_t size; if (mail_get_virtual_size(ctx->mail, &size) < 0) return -1; doveadm_print_num(size); return 0; } static int fetch_date_received(struct fetch_cmd_context *ctx) { time_t t; if (mail_get_received_date(ctx->mail, &t) < 0) return -1; doveadm_print(unixdate2str(t)); return 0; } static int fetch_date_sent(struct fetch_cmd_context *ctx) { time_t t; int tz; char chr; if (mail_get_date(ctx->mail, &t, &tz) < 0) return -1; chr = tz < 0 ? '-' : '+'; if (tz < 0) tz = -tz; doveadm_print(t_strdup_printf("%s (%c%02u%02u)", unixdate2str(t), chr, tz/60, tz%60)); return 0; } static int fetch_date_saved(struct fetch_cmd_context *ctx) { time_t t; if (mail_get_save_date(ctx->mail, &t) < 0) return -1; doveadm_print(unixdate2str(t)); return 0; } static int fetch_imap_envelope(struct fetch_cmd_context *ctx) { const char *value; if (mail_get_special(ctx->mail, MAIL_FETCH_IMAP_ENVELOPE, &value) < 0) return -1; doveadm_print(value); return 0; } static int fetch_imap_body(struct fetch_cmd_context *ctx) { const char *value; if (mail_get_special(ctx->mail, MAIL_FETCH_IMAP_BODY, &value) < 0) return -1; doveadm_print(value); return 0; } static int fetch_imap_bodystructure(struct fetch_cmd_context *ctx) { const char *value; if (mail_get_special(ctx->mail, MAIL_FETCH_IMAP_BODYSTRUCTURE, &value) < 0) return -1; doveadm_print(value); return 0; } static int fetch_pop3_uidl(struct fetch_cmd_context *ctx) { const char *value; if (mail_get_special(ctx->mail, MAIL_FETCH_UIDL_BACKEND, &value) < 0) return -1; doveadm_print(value); return 0; } static const struct fetch_field fetch_fields[] = { { "user", 0, fetch_user }, { "mailbox", 0, fetch_mailbox }, { "mailbox-guid", 0, fetch_mailbox_guid }, { "seq", 0, fetch_seq }, { "uid", 0, fetch_uid }, { "guid", 0, fetch_guid }, { "flags", MAIL_FETCH_FLAGS, fetch_flags }, { "hdr", MAIL_FETCH_STREAM_HEADER, fetch_hdr }, { "body", MAIL_FETCH_STREAM_BODY, fetch_body }, { "text", MAIL_FETCH_STREAM_HEADER | MAIL_FETCH_STREAM_BODY, fetch_text }, { "size.physical", MAIL_FETCH_PHYSICAL_SIZE, fetch_size_physical }, { "size.virtual", MAIL_FETCH_VIRTUAL_SIZE, fetch_size_virtual }, { "date.received", MAIL_FETCH_RECEIVED_DATE, fetch_date_received }, { "date.sent", MAIL_FETCH_DATE, fetch_date_sent }, { "date.saved", MAIL_FETCH_SAVE_DATE, fetch_date_saved }, { "imap.envelope", MAIL_FETCH_IMAP_ENVELOPE, fetch_imap_envelope }, { "imap.body", MAIL_FETCH_IMAP_BODY, fetch_imap_body }, { "imap.bodystructure", MAIL_FETCH_IMAP_BODYSTRUCTURE, fetch_imap_bodystructure }, { "pop3.uidl", MAIL_FETCH_UIDL_BACKEND, fetch_pop3_uidl } }; static const struct fetch_field *fetch_field_find(const char *name) { unsigned int i; for (i = 0; i < N_ELEMENTS(fetch_fields); i++) { if (strcmp(fetch_fields[i].name, name) == 0) return &fetch_fields[i]; } return NULL; } static void print_fetch_fields(void) { unsigned int i; fprintf(stderr, "Available fetch fields: %s", fetch_fields[0].name); for (i = 1; i < N_ELEMENTS(fetch_fields); i++) fprintf(stderr, " %s", fetch_fields[i].name); fprintf(stderr, "\n"); } static void parse_fetch_fields(struct fetch_cmd_context *ctx, const char *str) { const char *const *fields, *name; const struct fetch_field *field; struct fetch_field hdr_field; memset(&hdr_field, 0, sizeof(hdr_field)); hdr_field.print = fetch_hdr_field; t_array_init(&ctx->fields, 32); t_array_init(&ctx->header_fields, 32); fields = t_strsplit_spaces(str, " "); for (; *fields != NULL; fields++) { name = t_str_lcase(*fields); doveadm_print_header_simple(name); if (strncmp(name, "hdr.", 4) == 0) { name += 4; hdr_field.name = name; array_append(&ctx->fields, &hdr_field, 1); array_append(&ctx->header_fields, &name, 1); } else { field = fetch_field_find(name); if (field == NULL) { print_fetch_fields(); i_fatal("Unknown fetch field: %s", name); } ctx->wanted_fields |= field->wanted_fields; array_append(&ctx->fields, field, 1); } } (void)array_append_space(&ctx->header_fields); } static void cmd_fetch_mail(struct fetch_cmd_context *ctx) { const struct fetch_field *field; struct mail *mail = ctx->mail; array_foreach(&ctx->fields, field) { ctx->cur_field = field; if (field->print(ctx) < 0) { i_error("fetch(%s) failed for box=%s uid=%u: %s", field->name, mailbox_get_vname(mail->box), mail->uid, mailbox_get_last_error(mail->box, NULL)); } } } static int cmd_fetch_box(struct fetch_cmd_context *ctx, const struct mailbox_info *info) { struct doveadm_mail_iter *iter; struct mailbox_transaction_context *trans; if (doveadm_mail_iter_init(info, ctx->ctx.search_args, ctx->wanted_fields, array_idx(&ctx->header_fields, 0), &trans, &iter) < 0) return -1; while (doveadm_mail_iter_next(iter, &ctx->mail)) { T_BEGIN { cmd_fetch_mail(ctx); } T_END; } return doveadm_mail_iter_deinit(&iter); } static void cmd_fetch_run(struct doveadm_mail_cmd_context *_ctx, struct mail_user *user) { struct fetch_cmd_context *ctx = (struct fetch_cmd_context *)_ctx; const enum mailbox_list_iter_flags iter_flags = MAILBOX_LIST_ITER_NO_AUTO_BOXES | MAILBOX_LIST_ITER_RETURN_NO_FLAGS; struct doveadm_mail_list_iter *iter; const struct mailbox_info *info; iter = doveadm_mail_list_iter_init(user, _ctx->search_args, iter_flags); while ((info = doveadm_mail_list_iter_next(iter)) != NULL) T_BEGIN { (void)cmd_fetch_box(ctx, info); } T_END; doveadm_mail_list_iter_deinit(&iter); } static void cmd_fetch_deinit(struct doveadm_mail_cmd_context *_ctx) { struct fetch_cmd_context *ctx = (struct fetch_cmd_context *)_ctx; o_stream_unref(&ctx->output); } static void cmd_fetch_init(struct doveadm_mail_cmd_context *_ctx, const char *const args[]) { struct fetch_cmd_context *ctx = (struct fetch_cmd_context *)_ctx; const char *fetch_fields = args[0]; if (fetch_fields == NULL || args[1] == NULL) doveadm_mail_help_name("fetch"); parse_fetch_fields(ctx, fetch_fields); _ctx->search_args = doveadm_mail_build_search_args(args + 1); ctx->output = o_stream_create_fd(STDOUT_FILENO, 0, FALSE); } static struct doveadm_mail_cmd_context *cmd_fetch_alloc(void) { struct fetch_cmd_context *ctx; ctx = doveadm_mail_cmd_alloc(struct fetch_cmd_context); ctx->ctx.v.init = cmd_fetch_init; ctx->ctx.v.run = cmd_fetch_run; ctx->ctx.v.deinit = cmd_fetch_deinit; doveadm_print_init("pager"); return &ctx->ctx; } struct doveadm_mail_cmd cmd_fetch = { cmd_fetch_alloc, "fetch", "<fields> <search query>" };