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-rw-r--r--src/plugins/pop3-migration/Makefile.am41
-rw-r--r--src/plugins/pop3-migration/Makefile.in872
-rw-r--r--src/plugins/pop3-migration/pop3-migration-plugin.c1058
-rw-r--r--src/plugins/pop3-migration/pop3-migration-plugin.h13
-rw-r--r--src/plugins/pop3-migration/test-pop3-migration-plugin.c63
5 files changed, 2047 insertions, 0 deletions
diff --git a/src/plugins/pop3-migration/Makefile.am b/src/plugins/pop3-migration/Makefile.am
new file mode 100644
index 0000000..f58d065
--- /dev/null
+++ b/src/plugins/pop3-migration/Makefile.am
@@ -0,0 +1,41 @@
+AM_CPPFLAGS = \
+ -I$(top_srcdir)/src/lib \
+ -I$(top_srcdir)/src/lib-test \
+ -I$(top_srcdir)/src/lib-mail \
+ -I$(top_srcdir)/src/lib-index \
+ -I$(top_srcdir)/src/lib-storage \
+ -I$(top_srcdir)/src/lib-storage/index
+
+NOPLUGIN_LDFLAGS =
+lib05_pop3_migration_plugin_la_LDFLAGS = -module -avoid-version
+
+module_LTLIBRARIES = \
+ lib05_pop3_migration_plugin.la
+
+lib05_pop3_migration_plugin_la_SOURCES = \
+ pop3-migration-plugin.c
+
+noinst_HEADERS = \
+ pop3-migration-plugin.h
+
+noinst_PROGRAMS = $(test_programs)
+
+test_programs = \
+ test-pop3-migration-plugin
+
+test_libs = \
+ $(LIBDOVECOT_STORAGE) \
+ $(LIBDOVECOT)
+test_deps = \
+ $(module_LTLIBRARIES) \
+ $(LIBDOVECOT_STORAGE_DEPS) \
+ $(LIBDOVECOT_DEPS)
+
+test_pop3_migration_plugin_SOURCES = test-pop3-migration-plugin.c
+test_pop3_migration_plugin_LDADD = pop3-migration-plugin.lo $(test_libs)
+test_pop3_migration_plugin_DEPENDENCIES = $(test_deps)
+
+check-local:
+ for bin in $(test_programs); do \
+ if ! $(RUN_TEST) ./$$bin; then exit 1; fi; \
+ done
diff --git a/src/plugins/pop3-migration/Makefile.in b/src/plugins/pop3-migration/Makefile.in
new file mode 100644
index 0000000..70a8e00
--- /dev/null
+++ b/src/plugins/pop3-migration/Makefile.in
@@ -0,0 +1,872 @@
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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diff --git a/src/plugins/pop3-migration/pop3-migration-plugin.c b/src/plugins/pop3-migration/pop3-migration-plugin.c
new file mode 100644
index 0000000..362597a
--- /dev/null
+++ b/src/plugins/pop3-migration/pop3-migration-plugin.c
@@ -0,0 +1,1058 @@
+/* Copyright (c) 2007-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "array.h"
+#include "istream.h"
+#include "istream-header-filter.h"
+#include "str.h"
+#include "sha1.h"
+#include "message-size.h"
+#include "message-header-hash.h"
+#include "message-header-parser.h"
+#include "mail-cache.h"
+#include "mail-namespace.h"
+#include "mail-search-build.h"
+#include "index-storage.h"
+#include "index-mail.h"
+#include "pop3-migration-plugin.h"
+
+#define POP3_MIGRATION_CONTEXT(obj) \
+ MODULE_CONTEXT(obj, pop3_migration_storage_module)
+#define POP3_MIGRATION_CONTEXT_REQUIRE(obj) \
+ MODULE_CONTEXT_REQUIRE(obj, pop3_migration_storage_module)
+#define POP3_MIGRATION_MAIL_CONTEXT(obj) \
+ MODULE_CONTEXT_REQUIRE(obj, pop3_migration_mail_module)
+
+struct msg_map_common {
+ /* sha1(header) - set only when needed */
+ unsigned char hdr_sha1[SHA1_RESULTLEN];
+ bool hdr_sha1_set:1;
+};
+
+struct pop3_uidl_map {
+ struct msg_map_common common;
+
+ uint32_t pop3_seq;
+ uint32_t imap_uid;
+
+ /* UIDL */
+ const char *pop3_uidl;
+ /* LIST size */
+ uoff_t size;
+};
+
+struct imap_msg_map {
+ struct msg_map_common common;
+
+ uint32_t uid, pop3_seq;
+ uoff_t psize;
+ const char *pop3_uidl;
+};
+
+struct pop3_migration_mail_storage {
+ union mail_storage_module_context module_ctx;
+
+ const char *pop3_box_vname;
+ ARRAY(struct pop3_uidl_map) pop3_uidl_map;
+
+ bool all_mailboxes:1;
+ bool pop3_all_hdr_sha1_set:1;
+ bool ignore_missing_uidls:1;
+ bool ignore_extra_uidls:1;
+ bool skip_size_check:1;
+ bool skip_uidl_cache:1;
+};
+
+struct pop3_migration_mailbox {
+ union mailbox_module_context module_ctx;
+
+ ARRAY(struct imap_msg_map) imap_msg_map;
+ unsigned int first_unfound_idx;
+
+ struct mail_cache_field cache_field;
+
+ bool cache_field_registered:1;
+ bool uidl_synced:1;
+ bool uidl_sync_failed:1;
+};
+
+/* NOTE: these headers must be sorted */
+static const char *hdr_hash_skip_headers[] = {
+ "Content-Length",
+ "Return-Path", /* Yahoo IMAP has Return-Path, Yahoo POP3 doesn't */
+ "Status",
+ "X-IMAP",
+ "X-IMAPbase",
+ "X-Keywords",
+ "X-Message-Flag",
+ "X-Status",
+ "X-UID",
+ "X-UIDL",
+ "X-Yahoo-Newman-Property"
+};
+const char *pop3_migration_plugin_version = DOVECOT_ABI_VERSION;
+
+static MODULE_CONTEXT_DEFINE_INIT(pop3_migration_storage_module,
+ &mail_storage_module_register);
+static MODULE_CONTEXT_DEFINE_INIT(pop3_migration_mail_module,
+ &mail_module_register);
+
+static int imap_msg_map_uid_cmp(const struct imap_msg_map *map1,
+ const struct imap_msg_map *map2)
+{
+ if (map1->uid < map2->uid)
+ return -1;
+ if (map1->uid > map2->uid)
+ return 1;
+ return 0;
+}
+
+static int pop3_uidl_map_pop3_seq_cmp(const struct pop3_uidl_map *map1,
+ const struct pop3_uidl_map *map2)
+{
+ if (map1->pop3_seq < map2->pop3_seq)
+ return -1;
+ if (map1->pop3_seq > map2->pop3_seq)
+ return 1;
+ return 0;
+}
+
+static int pop3_uidl_map_uidl_cmp(const struct pop3_uidl_map *map1,
+ const struct pop3_uidl_map *map2)
+{
+ return strcmp(map1->pop3_uidl, map2->pop3_uidl);
+}
+
+static int imap_msg_map_uidl_cmp(const struct imap_msg_map *map1,
+ const struct imap_msg_map *map2)
+{
+ return null_strcmp(map1->pop3_uidl, map2->pop3_uidl);
+}
+
+static int pop3_uidl_map_hdr_cmp(const struct pop3_uidl_map *map1,
+ const struct pop3_uidl_map *map2)
+{
+ return memcmp(map1->common.hdr_sha1, map2->common.hdr_sha1,
+ sizeof(map1->common.hdr_sha1));
+}
+
+static int imap_msg_map_hdr_cmp(const struct imap_msg_map *map1,
+ const struct imap_msg_map *map2)
+{
+ return memcmp(map1->common.hdr_sha1, map2->common.hdr_sha1,
+ sizeof(map1->common.hdr_sha1));
+}
+
+struct pop3_hdr_context {
+ bool have_eoh;
+ bool stop;
+};
+
+static bool header_name_is_valid(const char *name)
+{
+ unsigned int i;
+
+ for (i = 0; name[i] != '\0'; i++) {
+ if ((uint8_t)name[i] <= 0x20 || name[i] >= 0x7f)
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static bool header_value_want_skip(const struct message_header_line *hdr)
+{
+ for (size_t i = 0; i < hdr->value_len; i++) {
+ if (hdr->value[i] != ' ' && hdr->value[i] != '\t')
+ return FALSE;
+ }
+ /* "header: \r\n \r\n" - Zimbra's BODY[HEADER] strips this line away. */
+ return TRUE;
+}
+
+static void
+pop3_header_filter_callback(struct header_filter_istream *input ATTR_UNUSED,
+ struct message_header_line *hdr,
+ bool *matched, struct pop3_hdr_context *ctx)
+{
+ if (hdr == NULL)
+ return;
+ if (hdr->eoh) {
+ ctx->have_eoh = TRUE;
+ if (ctx->stop)
+ *matched = TRUE;
+ } else {
+ if (hdr->value_len > 0 && hdr->middle_len == 0 && hdr->name_len == 0 &&
+ i_memspn(hdr->value, hdr->value_len, "\r", 1U) == hdr->value_len) {
+ /* CR+CR+LF - some servers stop the header processing
+ here while others don't. To make sure they can be
+ matched correctly we want to stop here entirely. */
+ ctx->stop = TRUE;
+ } else if (!hdr->continued && hdr->middle_len == 0) {
+ /* not a valid "key: value" header -
+ Zimbra's BODY[HEADER] strips this line away. */
+ *matched = TRUE;
+ } else if (hdr->continued && header_value_want_skip(hdr)) {
+ *matched = TRUE;
+ }
+ if (ctx->stop)
+ *matched = TRUE;
+ else if (!header_name_is_valid(hdr->name)) {
+ /* Yahoo IMAP drops headers with invalid names, while
+ Yahoo POP3 preserves them. Drop them all. */
+ *matched = TRUE;
+ }
+ }
+}
+
+int pop3_migration_get_hdr_sha1(uint32_t mail_seq, struct istream *input,
+ unsigned char sha1_r[STATIC_ARRAY SHA1_RESULTLEN],
+ bool *have_eoh_r)
+{
+ const unsigned char *data;
+ size_t size;
+ struct message_header_hash_context hash_ctx;
+ struct sha1_ctxt sha1_ctx;
+ struct pop3_hdr_context hdr_ctx;
+
+ i_zero(&hdr_ctx);
+ /* hide headers that might change or be different in IMAP vs. POP3 */
+ input = i_stream_create_header_filter(input, HEADER_FILTER_HIDE_BODY |
+ HEADER_FILTER_EXCLUDE | HEADER_FILTER_NO_CR,
+ hdr_hash_skip_headers,
+ N_ELEMENTS(hdr_hash_skip_headers),
+ pop3_header_filter_callback, &hdr_ctx);
+
+ sha1_init(&sha1_ctx);
+ i_zero(&hash_ctx);
+ while (i_stream_read_more(input, &data, &size) > 0) {
+ message_header_hash_more(&hash_ctx, &hash_method_sha1, &sha1_ctx,
+ MESSAGE_HEADER_HASH_MAX_VERSION,
+ data, size);
+ i_stream_skip(input, size);
+ }
+ if (input->stream_errno != 0) {
+ i_error("pop3_migration: Failed to read header for msg %u: %s",
+ mail_seq, i_stream_get_error(input));
+ i_stream_unref(&input);
+ return -1;
+ }
+ sha1_result(&sha1_ctx, sha1_r);
+ i_stream_unref(&input);
+
+ *have_eoh_r = hdr_ctx.have_eoh;
+ return 0;
+}
+
+static unsigned int get_cache_idx(struct mail *mail)
+{
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(mail->box);
+
+ if (mbox->cache_field_registered)
+ return mbox->cache_field.idx;
+
+ mbox->cache_field.name = "pop3-migration.hdr";
+ mbox->cache_field.type = MAIL_CACHE_FIELD_FIXED_SIZE;
+ mbox->cache_field.field_size = SHA1_RESULTLEN;
+ mail_cache_register_fields(mail->box->cache, &mbox->cache_field, 1);
+ mbox->cache_field_registered = TRUE;
+ return mbox->cache_field.idx;
+}
+
+static int
+get_hdr_sha1(struct mail *mail, unsigned char sha1_r[STATIC_ARRAY SHA1_RESULTLEN])
+{
+ struct istream *input;
+ const char *errstr;
+ enum mail_error error;
+ bool have_eoh;
+ int ret;
+
+ if (mail_get_hdr_stream(mail, NULL, &input) < 0) {
+ errstr = mailbox_get_last_internal_error(mail->box, &error);
+ i_error("pop3_migration: Failed to get header for msg %u: %s",
+ mail->seq, errstr);
+ return error == MAIL_ERROR_EXPUNGED ? 0 : -1;
+ }
+ if (pop3_migration_get_hdr_sha1(mail->seq, input, sha1_r, &have_eoh) < 0)
+ return -1;
+ if (have_eoh) {
+ struct index_mail *imail = (struct index_mail *)mail;
+
+ index_mail_cache_add_idx(imail, get_cache_idx(mail),
+ sha1_r, SHA1_RESULTLEN);
+ return 1;
+ }
+
+ /* The empty "end of headers" line is missing. Either this means that
+ the headers ended unexpectedly (which is ok) or that the remote
+ server is buggy. Some servers have problems with
+
+ 1) header line continuations that contain only whitespace and
+ 2) headers that have no ":". The header gets truncated when such
+ line is reached.
+
+ At least Oracle IMS IMAP FETCH BODY[HEADER] handles 1) by not
+ returning the whitespace line and 2) by returning the line but
+ truncating the rest. POP3 TOP instead returns the entire header.
+ This causes the IMAP and POP3 hashes not to match.
+
+ If there's LF+CR+CR+LF in the middle of headers, Courier IMAP's
+ FETCH BODY[HEADER] stops after that, but Courier POP3's TOP doesn't.
+
+ So we'll try to avoid this by falling back to full FETCH BODY[]
+ (and/or RETR) and we'll parse the header ourself from it. This
+ should work around any similar bugs in all IMAP/POP3 servers. */
+ if (mail_get_stream_because(mail, NULL, NULL, "pop3-migration", &input) < 0) {
+ errstr = mailbox_get_last_internal_error(mail->box, &error);
+ i_error("pop3_migration: Failed to get body for msg %u: %s",
+ mail->seq, errstr);
+ return error == MAIL_ERROR_EXPUNGED ? 0 : -1;
+ }
+ ret = pop3_migration_get_hdr_sha1(mail->seq, input, sha1_r, &have_eoh);
+ if (ret == 0) {
+ if (!have_eoh)
+ i_warning("pop3_migration: Truncated email with UID %u stored as truncated", mail->uid);
+ struct index_mail *imail = (struct index_mail *)mail;
+ index_mail_cache_add_idx(imail, get_cache_idx(mail),
+ sha1_r, SHA1_RESULTLEN);
+ return 1;
+ } else {
+ return -1;
+ }
+}
+
+static bool
+get_cached_hdr_sha1(struct mail *mail, buffer_t *cache_buf,
+ unsigned char sha1_r[STATIC_ARRAY SHA1_RESULTLEN])
+{
+ struct index_mail *imail = (struct index_mail *)mail;
+
+ buffer_set_used_size(cache_buf, 0);
+ if (index_mail_cache_lookup_field(imail, cache_buf,
+ get_cache_idx(mail)) > 0 &&
+ cache_buf->used == SHA1_RESULTLEN) {
+ memcpy(sha1_r, cache_buf->data, cache_buf->used);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static struct mailbox *pop3_mailbox_alloc(struct mail_storage *storage)
+{
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(storage);
+ struct mail_namespace *ns;
+ struct mailbox *box;
+
+ ns = mail_namespace_find(storage->user->namespaces,
+ mstorage->pop3_box_vname);
+ i_assert(ns != NULL);
+ box = mailbox_alloc(ns->list, mstorage->pop3_box_vname,
+ MAILBOX_FLAG_READONLY | MAILBOX_FLAG_POP3_SESSION);
+ return box;
+}
+
+static int pop3_map_read(struct mail_storage *storage, struct mailbox *pop3_box)
+{
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(storage);
+ struct mailbox_transaction_context *t;
+ struct mail_search_args *search_args;
+ struct mail_search_context *ctx;
+ struct mail *mail;
+ struct pop3_uidl_map *map;
+ const char *uidl;
+ uoff_t size = UOFF_T_MAX;
+ int ret = 0;
+
+ if (array_is_created(&mstorage->pop3_uidl_map)) {
+ /* already read these, just reset the imap_uids */
+ array_foreach_modifiable(&mstorage->pop3_uidl_map, map)
+ map->imap_uid = 0;
+ return 0;
+ }
+ i_array_init(&mstorage->pop3_uidl_map, 128);
+
+ if (mailbox_sync(pop3_box, 0) < 0) {
+ i_error("pop3_migration: Couldn't sync mailbox %s: %s",
+ pop3_box->vname, mailbox_get_last_internal_error(pop3_box, NULL));
+ return -1;
+ }
+
+ t = mailbox_transaction_begin(pop3_box, 0, __func__);
+ search_args = mail_search_build_init();
+ mail_search_build_add_all(search_args);
+ ctx = mailbox_search_init(t, search_args, NULL,
+ mstorage->skip_size_check ? 0 :
+ MAIL_FETCH_PHYSICAL_SIZE, NULL);
+ mail_search_args_unref(&search_args);
+
+ while (mailbox_search_next(ctx, &mail)) {
+ /* get the size with LIST instead of RETR */
+ mail->lookup_abort = MAIL_LOOKUP_ABORT_READ_MAIL;
+
+ if (mstorage->skip_size_check)
+ ;
+ else if (mail_get_physical_size(mail, &size) < 0) {
+ i_error("pop3_migration: Failed to get size for msg %u: %s",
+ mail->seq,
+ mailbox_get_last_internal_error(pop3_box, NULL));
+ ret = -1;
+ break;
+ }
+ mail->lookup_abort = MAIL_LOOKUP_ABORT_NEVER;
+
+ if (mail_get_special(mail, MAIL_FETCH_UIDL_BACKEND, &uidl) < 0) {
+ i_error("pop3_migration: Failed to get UIDL for msg %u: %s",
+ mail->seq,
+ mailbox_get_last_internal_error(pop3_box, NULL));
+ ret = -1;
+ break;
+ }
+ if (*uidl == '\0') {
+ i_warning("pop3_migration: UIDL for msg %u is empty",
+ mail->seq);
+ continue;
+ }
+
+ map = array_append_space(&mstorage->pop3_uidl_map);
+ map->pop3_seq = mail->seq;
+ map->pop3_uidl = p_strdup(storage->pool, uidl);
+ map->size = size;
+ }
+
+ if (mailbox_search_deinit(&ctx) < 0) {
+ i_error("pop3_migration: Failed to search all POP3 mails: %s",
+ mailbox_get_last_internal_error(pop3_box, NULL));
+ ret = -1;
+ }
+ (void)mailbox_transaction_commit(&t);
+ return ret;
+}
+
+static void
+pop3_map_read_cached_hdr_hashes(struct mailbox_transaction_context *t,
+ struct mail_search_args *search_args,
+ struct array *msg_map)
+{
+ struct mail_search_context *ctx;
+ struct mail *mail;
+ struct msg_map_common *map;
+ buffer_t *cache_buf;
+
+ ctx = mailbox_search_init(t, search_args, NULL, 0, NULL);
+ cache_buf = t_buffer_create(SHA1_RESULTLEN);
+
+ while (mailbox_search_next(ctx, &mail)) {
+ map = array_idx_modifiable_i(msg_map, mail->seq-1);
+
+ if (get_cached_hdr_sha1(mail, cache_buf, map->hdr_sha1))
+ map->hdr_sha1_set = TRUE;
+ }
+
+ if (mailbox_search_deinit(&ctx) < 0) {
+ i_warning("pop3_migration: Failed to search all cached POP3 header hashes: %s - ignoring",
+ mailbox_get_last_internal_error(t->box, NULL));
+ }
+}
+
+static void map_remove_found_seqs(struct mail_search_arg *search_arg,
+ struct array *msg_map, uint32_t seq1)
+{
+ const struct msg_map_common *map;
+ uint32_t seq, count = array_count_i(msg_map);
+
+ i_assert(search_arg->type == SEARCH_SEQSET);
+
+ for (seq = seq1; seq <= count; seq++) {
+ map = array_idx_i(msg_map, seq-1);
+ if (map->hdr_sha1_set)
+ seq_range_array_remove(&search_arg->value.seqset, seq);
+ }
+}
+
+static int
+map_read_hdr_hashes(struct mailbox *box, struct array *msg_map, uint32_t seq1)
+{
+ struct mailbox_transaction_context *t;
+ struct mail_search_args *search_args;
+ struct mail_search_context *ctx;
+ struct mail *mail;
+ struct msg_map_common *map;
+ int ret = 0;
+
+ t = mailbox_transaction_begin(box, 0, __func__);
+ /* get all the cached hashes */
+ search_args = mail_search_build_init();
+ mail_search_build_add_seqset(search_args, seq1, array_count_i(msg_map));
+ pop3_map_read_cached_hdr_hashes(t, search_args, msg_map);
+ /* read all the non-cached hashes. doing this in two passes allows
+ us to set wanted_fields=MAIL_FETCH_STREAM_HEADER, which allows
+ prefetching to work without downloading all the headers even
+ for mails that already are cached. */
+ map_remove_found_seqs(search_args->args, msg_map, seq1);
+ ctx = mailbox_search_init(t, search_args, NULL,
+ MAIL_FETCH_STREAM_HEADER, NULL);
+ mail_search_args_unref(&search_args);
+
+ while (mailbox_search_next(ctx, &mail)) {
+ map = array_idx_modifiable_i(msg_map, mail->seq-1);
+
+ if ((ret = get_hdr_sha1(mail, map->hdr_sha1)) < 0) {
+ ret = -1;
+ break;
+ }
+ if (ret > 0)
+ map->hdr_sha1_set = TRUE;
+ }
+
+ if (mailbox_search_deinit(&ctx) < 0) {
+ i_error("pop3_migration: Failed to search all mail headers: %s",
+ mailbox_get_last_internal_error(box, NULL));
+ ret = -1;
+ }
+ (void)mailbox_transaction_commit(&t);
+ return ret < 0 ? -1 : 0;
+}
+
+static int
+pop3_map_read_hdr_hashes(struct mail_storage *storage, struct mailbox *pop3_box,
+ unsigned first_seq)
+{
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(storage);
+
+ if (mstorage->pop3_all_hdr_sha1_set)
+ return 0;
+ if (mstorage->all_mailboxes) {
+ /* we may be matching against multiple mailboxes.
+ read all the hashes only once. */
+ first_seq = 1;
+ }
+
+ if (map_read_hdr_hashes(pop3_box, &mstorage->pop3_uidl_map.arr,
+ first_seq) < 0)
+ return -1;
+
+ if (first_seq == 1)
+ mstorage->pop3_all_hdr_sha1_set = TRUE;
+ return 0;
+}
+
+static int imap_map_read(struct mailbox *box)
+{
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(box);
+ struct index_mailbox_context *ibox = INDEX_STORAGE_CONTEXT(box);
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(box->storage);
+ const unsigned int uidl_cache_idx =
+ ibox->cache_fields[MAIL_CACHE_POP3_UIDL].idx;
+ struct mailbox_status status;
+ struct mailbox_transaction_context *t;
+ struct mail_search_args *search_args;
+ struct mail_search_context *ctx;
+ struct mail *mail;
+ struct imap_msg_map *map;
+ uoff_t psize = UOFF_T_MAX;
+ string_t *uidl;
+ int ret = 0;
+
+ mailbox_get_open_status(box, STATUS_MESSAGES, &status);
+
+ i_assert(!array_is_created(&mbox->imap_msg_map));
+ p_array_init(&mbox->imap_msg_map, box->pool, status.messages);
+
+ t = mailbox_transaction_begin(box, 0, __func__);
+ search_args = mail_search_build_init();
+ mail_search_build_add_all(search_args);
+ ctx = mailbox_search_init(t, search_args, NULL,
+ mstorage->skip_size_check ? 0 :
+ MAIL_FETCH_PHYSICAL_SIZE, NULL);
+ mail_search_args_unref(&search_args);
+
+ uidl = t_str_new(64);
+ while (mailbox_search_next(ctx, &mail)) {
+ if (mstorage->skip_size_check)
+ ;
+ else if (mail_get_physical_size(mail, &psize) < 0) {
+ i_error("pop3_migration: Failed to get psize for imap uid %u: %s",
+ mail->uid,
+ mailbox_get_last_internal_error(box, NULL));
+ ret = -1;
+ break;
+ }
+
+ if (!mstorage->skip_uidl_cache) {
+ str_truncate(uidl, 0);
+ (void)mail_cache_lookup_field(mail->transaction->cache_view,
+ uidl, mail->seq, uidl_cache_idx);
+ }
+
+ map = array_append_space(&mbox->imap_msg_map);
+ map->uid = mail->uid;
+ map->psize = psize;
+ map->pop3_uidl = p_strdup_empty(box->pool, str_c(uidl));
+ }
+
+ if (mailbox_search_deinit(&ctx) < 0) {
+ i_error("pop3_migration: Failed to search all IMAP mails: %s",
+ mailbox_get_last_internal_error(box, NULL));
+ ret = -1;
+ }
+ (void)mailbox_transaction_commit(&t);
+ return ret;
+}
+
+static int imap_map_read_hdr_hashes(struct mailbox *box)
+{
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(box);
+
+ return map_read_hdr_hashes(box, &mbox->imap_msg_map.arr,
+ mbox->first_unfound_idx+1);
+}
+
+static void pop3_uidl_assign_cached(struct mailbox *box)
+{
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(box);
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(box->storage);
+ struct pop3_uidl_map *pop3_map;
+ struct imap_msg_map *imap_map;
+ unsigned int imap_idx, pop3_idx, pop3_count, imap_count;
+ int ret;
+
+ if (mstorage->skip_uidl_cache)
+ return;
+
+ array_sort(&mstorage->pop3_uidl_map, pop3_uidl_map_uidl_cmp);
+ array_sort(&mbox->imap_msg_map, imap_msg_map_uidl_cmp);
+
+ pop3_map = array_get_modifiable(&mstorage->pop3_uidl_map, &pop3_count);
+ imap_map = array_get_modifiable(&mbox->imap_msg_map, &imap_count);
+
+ /* see if we can match the messages using sizes */
+ for (imap_idx = pop3_idx = 0; imap_idx < imap_count; imap_idx++) {
+ if (imap_map[imap_idx].pop3_uidl == NULL)
+ continue;
+
+ ret = 1;
+ for (; pop3_idx < pop3_count; pop3_idx++) {
+ ret = strcmp(imap_map[imap_idx].pop3_uidl,
+ pop3_map[pop3_idx].pop3_uidl);
+ if (ret >= 0)
+ break;
+ }
+ if (ret == 0) {
+ imap_map[imap_idx].pop3_seq =
+ pop3_map[pop3_idx].pop3_seq;
+ pop3_map[pop3_idx].imap_uid = imap_map[imap_idx].uid;
+ }
+ }
+}
+
+static bool pop3_uidl_assign_by_size(struct mailbox *box)
+{
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(box);
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(box->storage);
+ struct pop3_uidl_map *pop3_map;
+ struct imap_msg_map *imap_map;
+ unsigned int i, pop3_count, imap_count, count;
+ unsigned int size_match = 0, uidl_match = 0;
+
+ pop3_map = array_get_modifiable(&mstorage->pop3_uidl_map, &pop3_count);
+ imap_map = array_get_modifiable(&mbox->imap_msg_map, &imap_count);
+ count = I_MIN(pop3_count, imap_count);
+
+ /* see if we can match the messages using sizes */
+ for (i = 0; i < count; i++) {
+ if (imap_map[i].pop3_uidl != NULL) {
+ /* some of the UIDLs were already found cached. */
+ if (strcmp(pop3_map[i].pop3_uidl, imap_map[i].pop3_uidl) == 0) {
+ uidl_match++;
+ continue;
+ }
+ /* mismatch - can't trust the sizes */
+ break;
+ }
+
+ if (pop3_map[i].size != imap_map[i].psize ||
+ mstorage->skip_size_check)
+ break;
+ if (i+1 < count && pop3_map[i].size == pop3_map[i+1].size) {
+ /* two messages with same size, don't trust them */
+ break;
+ }
+
+ size_match++;
+ pop3_map[i].imap_uid = imap_map[i].uid;
+ imap_map[i].pop3_uidl = pop3_map[i].pop3_uidl;
+ imap_map[i].pop3_seq = pop3_map[i].pop3_seq;
+ }
+ mbox->first_unfound_idx = i;
+ e_debug(box->event, "pop3_migration: cached uidls=%u, size matches=%u, total=%u",
+ uidl_match, size_match, count);
+ return i == count && imap_count == pop3_count;
+}
+
+static int
+pop3_uidl_assign_by_hdr_hash(struct mailbox *box, struct mailbox *pop3_box)
+{
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(box->storage);
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(box);
+ struct pop3_uidl_map *pop3_map;
+ struct imap_msg_map *imap_map;
+ unsigned int pop3_idx, imap_idx, pop3_count, imap_count;
+ unsigned int first_seq, missing_uids_count;
+ uint32_t first_missing_idx = 0, first_missing_seq = (uint32_t)-1;
+ int ret;
+
+ first_seq = mbox->first_unfound_idx+1;
+ if (pop3_map_read_hdr_hashes(box->storage, pop3_box, first_seq) < 0 ||
+ imap_map_read_hdr_hashes(box) < 0)
+ return -1;
+
+ array_sort(&mstorage->pop3_uidl_map, pop3_uidl_map_hdr_cmp);
+ array_sort(&mbox->imap_msg_map, imap_msg_map_hdr_cmp);
+
+ pop3_map = array_get_modifiable(&mstorage->pop3_uidl_map, &pop3_count);
+ imap_map = array_get_modifiable(&mbox->imap_msg_map, &imap_count);
+
+ pop3_idx = imap_idx = 0;
+ while (pop3_idx < pop3_count && imap_idx < imap_count) {
+ if (!pop3_map[pop3_idx].common.hdr_sha1_set ||
+ pop3_map[pop3_idx].imap_uid != 0) {
+ pop3_idx++;
+ continue;
+ }
+ if (!imap_map[imap_idx].common.hdr_sha1_set ||
+ imap_map[imap_idx].pop3_uidl != NULL) {
+ imap_idx++;
+ continue;
+ }
+ ret = memcmp(pop3_map[pop3_idx].common.hdr_sha1,
+ imap_map[imap_idx].common.hdr_sha1,
+ sizeof(pop3_map[pop3_idx].common.hdr_sha1));
+ if (ret < 0)
+ pop3_idx++;
+ else if (ret > 0)
+ imap_idx++;
+ else {
+ pop3_map[pop3_idx].imap_uid = imap_map[imap_idx].uid;
+ imap_map[imap_idx].pop3_uidl =
+ pop3_map[pop3_idx].pop3_uidl;
+ imap_map[imap_idx].pop3_seq =
+ pop3_map[pop3_idx].pop3_seq;
+ }
+ }
+ missing_uids_count = 0;
+ for (pop3_idx = 0; pop3_idx < pop3_count; pop3_idx++) {
+ if (pop3_map[pop3_idx].imap_uid != 0) {
+ /* matched */
+ } else if (!pop3_map[pop3_idx].common.hdr_sha1_set) {
+ /* we treated this mail as expunged - ignore */
+ } else {
+ uint32_t seq = pop3_map[pop3_idx].pop3_seq;
+ if (first_missing_seq > seq) {
+ first_missing_seq = seq;
+ first_missing_idx = pop3_idx;
+ }
+ missing_uids_count++;
+ }
+ }
+ if (missing_uids_count > 0 && !mstorage->all_mailboxes) {
+ string_t *str = t_str_new(128);
+ bool all_imap_mails_found = FALSE;
+
+ str_printfa(str, "pop3_migration: %u POP3 messages have no "
+ "matching IMAP messages (first POP3 msg %u UIDL %s)",
+ missing_uids_count, first_missing_seq,
+ pop3_map[first_missing_idx].pop3_uidl);
+ if (imap_count + missing_uids_count == pop3_count) {
+ str_append(str, " - all IMAP messages were found "
+ "(POP3 contains more than IMAP INBOX - you may want to set pop3_migration_all_mailboxes=yes)");
+ all_imap_mails_found = TRUE;
+ }
+ if (all_imap_mails_found && mstorage->ignore_extra_uidls) {
+ /* pop3 had more mails than imap. maybe it was just
+ that a new mail was just delivered. */
+ } else if (!mstorage->ignore_missing_uidls) {
+ str_append(str, " - set pop3_migration_ignore_missing_uidls=yes");
+ if (all_imap_mails_found)
+ str_append(str, " or pop3_migration_ignore_extra_uidls=yes");
+ i_error("%s to continue anyway", str_c(str));
+ return -1;
+ }
+ i_warning("%s", str_c(str));
+ } else
+ e_debug(box->event, "pop3_migration: %u mails matched by headers", pop3_count);
+ array_sort(&mstorage->pop3_uidl_map, pop3_uidl_map_pop3_seq_cmp);
+ array_sort(&mbox->imap_msg_map, imap_msg_map_uid_cmp);
+ return 0;
+}
+
+static void imap_uidls_add_to_cache(struct mailbox *box)
+{
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(box);
+ struct mailbox_transaction_context *t;
+ struct mail *mail;
+ struct index_mail *imail;
+ struct imap_msg_map *imap_map;
+ unsigned int i, count;
+ unsigned int field_idx;
+
+ t = mailbox_transaction_begin(box, 0, __func__);
+ mail = mail_alloc(t, 0, NULL);
+ imail = INDEX_MAIL(mail);
+ field_idx = imail->ibox->cache_fields[MAIL_CACHE_POP3_UIDL].idx;
+
+ imap_map = array_get_modifiable(&mbox->imap_msg_map, &count);
+ for (i = 0; i < count; i++) {
+ if (imap_map[i].pop3_uidl == NULL)
+ continue;
+
+ if (!mail_set_uid(mail, imap_map[i].uid))
+ i_unreached();
+ if (mail_cache_field_can_add(t->cache_trans, mail->seq, field_idx)) {
+ index_mail_cache_add_idx(imail, field_idx,
+ imap_map[i].pop3_uidl, strlen(imap_map[i].pop3_uidl)+1);
+ }
+ }
+ mail_free(&mail);
+ (void)mailbox_transaction_commit(&t);
+}
+
+static int pop3_migration_uidl_sync(struct mailbox *box)
+{
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(box);
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(box->storage);
+ struct mailbox *pop3_box;
+
+ pop3_box = pop3_mailbox_alloc(box->storage);
+ /* the POP3 server isn't connected to yet. handle all IMAP traffic
+ first before connecting, so POP3 server won't disconnect us due to
+ idling. */
+ if (imap_map_read(box) < 0 ||
+ pop3_map_read(box->storage, pop3_box) < 0) {
+ mailbox_free(&pop3_box);
+ return -1;
+ }
+
+ pop3_uidl_assign_cached(box);
+
+ array_sort(&mstorage->pop3_uidl_map, pop3_uidl_map_pop3_seq_cmp);
+ array_sort(&mbox->imap_msg_map, imap_msg_map_uid_cmp);
+
+ if (!pop3_uidl_assign_by_size(box)) {
+ /* everything wasn't assigned, figure out the rest with
+ header hashes */
+ if (pop3_uidl_assign_by_hdr_hash(box, pop3_box) < 0) {
+ mailbox_free(&pop3_box);
+ return -1;
+ }
+ }
+
+ if (!mstorage->skip_uidl_cache)
+ imap_uidls_add_to_cache(box);
+
+ mbox->uidl_synced = TRUE;
+ mailbox_free(&pop3_box);
+ return 0;
+}
+
+static int pop3_migration_uidl_sync_if_needed(struct mailbox *box)
+{
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(box);
+ int ret = 0;
+
+ if (mbox->uidl_synced)
+ return 0;
+
+ if (mbox->uidl_sync_failed)
+ ret = -1;
+ else {
+ struct event_reason *reason =
+ event_reason_begin("pop3_migration:uidl_sync");
+ ret = pop3_migration_uidl_sync(box);
+ event_reason_end(&reason);
+ }
+ if (ret < 0) {
+ mbox->uidl_sync_failed = TRUE;
+ mail_storage_set_error(box->storage, MAIL_ERROR_TEMP,
+ "POP3 UIDLs couldn't be synced");
+ return -1;
+ }
+ return 0;
+}
+
+static int
+pop3_migration_get_special(struct mail *_mail, enum mail_fetch_field field,
+ const char **value_r)
+{
+ struct mail_private *mail = (struct mail_private *)_mail;
+ union mail_module_context *mmail = POP3_MIGRATION_MAIL_CONTEXT(mail);
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(_mail->box);
+ struct imap_msg_map map_key, *map;
+
+ if (field == MAIL_FETCH_UIDL_BACKEND ||
+ field == MAIL_FETCH_POP3_ORDER) {
+ if (pop3_migration_uidl_sync_if_needed(_mail->box) < 0)
+ return -1;
+
+ i_zero(&map_key);
+ map_key.uid = _mail->uid;
+ map = array_bsearch(&mbox->imap_msg_map, &map_key,
+ imap_msg_map_uid_cmp);
+ if (map != NULL && map->pop3_uidl != NULL) {
+ if (field == MAIL_FETCH_UIDL_BACKEND)
+ *value_r = map->pop3_uidl;
+ else
+ *value_r = t_strdup_printf("%u", map->pop3_seq);
+ return 0;
+ }
+ /* not found from POP3 server, fallback to default */
+ }
+ return mmail->super.get_special(_mail, field, value_r);
+}
+
+static void pop3_migration_mail_allocated(struct mail *_mail)
+{
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT(_mail->box->storage);
+ struct mail_private *mail = (struct mail_private *)_mail;
+ struct mail_vfuncs *v = mail->vlast;
+ union mail_module_context *mmail;
+ struct mail_namespace *ns;
+
+ if (mstorage == NULL ||
+ (!mstorage->all_mailboxes && !_mail->box->inbox_user)) {
+ /* assigns UIDLs only for INBOX */
+ return;
+ }
+
+ ns = mail_namespace_find(_mail->box->storage->user->namespaces,
+ mstorage->pop3_box_vname);
+ if (ns == mailbox_get_namespace(_mail->box)) {
+ /* we're accessing the pop3-migration namespace itself */
+ return;
+ }
+
+ mmail = p_new(mail->pool, union mail_module_context, 1);
+ mmail->super = *v;
+ mail->vlast = &mmail->super;
+
+ v->get_special = pop3_migration_get_special;
+ MODULE_CONTEXT_SET_SELF(mail, pop3_migration_mail_module, mmail);
+}
+
+static struct mail_search_context *
+pop3_migration_mailbox_search_init(struct mailbox_transaction_context *t,
+ struct mail_search_args *args,
+ const enum mail_sort_type *sort_program,
+ enum mail_fetch_field wanted_fields,
+ struct mailbox_header_lookup_ctx *wanted_headers)
+{
+ struct pop3_migration_mailbox *mbox = POP3_MIGRATION_CONTEXT_REQUIRE(t->box);
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(t->box->storage);
+
+ if ((wanted_fields & (MAIL_FETCH_UIDL_BACKEND |
+ MAIL_FETCH_POP3_ORDER)) != 0 &&
+ (mstorage->all_mailboxes || t->box->inbox_user)) {
+ /* Start POP3 UIDL syncing before the search, so we'll do it
+ before we start sending any FETCH BODY[]s to IMAP. It
+ shouldn't matter much, except this works around a bug in
+ Yahoo IMAP where it sometimes breaks its state when doing
+ a FETCH BODY[] followed by FETCH BODY[HEADER].. */
+ (void)pop3_migration_uidl_sync_if_needed(t->box);
+ }
+
+ return mbox->module_ctx.super.search_init(t, args, sort_program,
+ wanted_fields, wanted_headers);
+}
+
+static void pop3_migration_mailbox_allocated(struct mailbox *box)
+{
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT(box->storage);
+ struct mailbox_vfuncs *v = box->vlast;
+ struct pop3_migration_mailbox *mbox;
+
+ if (mstorage == NULL)
+ return;
+
+ mbox = p_new(box->pool, struct pop3_migration_mailbox, 1);
+ mbox->module_ctx.super = *v;
+ box->vlast = &mbox->module_ctx.super;
+
+ v->search_init = pop3_migration_mailbox_search_init;
+
+ MODULE_CONTEXT_SET(box, pop3_migration_storage_module, mbox);
+}
+
+static void pop3_migration_mail_storage_destroy(struct mail_storage *storage)
+{
+ struct pop3_migration_mail_storage *mstorage =
+ POP3_MIGRATION_CONTEXT_REQUIRE(storage);
+
+ if (array_is_created(&mstorage->pop3_uidl_map))
+ array_free(&mstorage->pop3_uidl_map);
+
+ mstorage->module_ctx.super.destroy(storage);
+}
+
+static void pop3_migration_mail_storage_created(struct mail_storage *storage)
+{
+ struct pop3_migration_mail_storage *mstorage;
+ struct mail_storage_vfuncs *v = storage->vlast;
+ const char *pop3_box_vname;
+
+ pop3_box_vname = mail_user_plugin_getenv(storage->user,
+ "pop3_migration_mailbox");
+ if (pop3_box_vname == NULL) {
+ e_debug(storage->user->event, "pop3_migration: No pop3_migration_mailbox setting - disabled");
+ return;
+ }
+
+ mstorage = p_new(storage->pool, struct pop3_migration_mail_storage, 1);
+ mstorage->module_ctx.super = *v;
+ storage->vlast = &mstorage->module_ctx.super;
+ v->destroy = pop3_migration_mail_storage_destroy;
+
+ mstorage->pop3_box_vname = p_strdup(storage->pool, pop3_box_vname);
+ mstorage->all_mailboxes =
+ mail_user_plugin_getenv_bool(storage->user,
+ "pop3_migration_all_mailboxes");
+ mstorage->ignore_missing_uidls =
+ mail_user_plugin_getenv_bool(storage->user,
+ "pop3_migration_ignore_missing_uidls");
+ mstorage->ignore_extra_uidls =
+ mail_user_plugin_getenv_bool(storage->user,
+ "pop3_migration_ignore_extra_uidls");
+ mstorage->skip_size_check =
+ mail_user_plugin_getenv_bool(storage->user,
+ "pop3_migration_skip_size_check");
+ mstorage->skip_uidl_cache =
+ mail_user_plugin_getenv_bool(storage->user,
+ "pop3_migration_skip_uidl_cache");
+
+ MODULE_CONTEXT_SET(storage, pop3_migration_storage_module, mstorage);
+}
+
+static struct mail_storage_hooks pop3_migration_mail_storage_hooks = {
+ .mail_allocated = pop3_migration_mail_allocated,
+ .mailbox_allocated = pop3_migration_mailbox_allocated,
+ .mail_storage_created = pop3_migration_mail_storage_created
+};
+
+void pop3_migration_plugin_init(struct module *module)
+{
+ mail_storage_hooks_add(module, &pop3_migration_mail_storage_hooks);
+}
+
+void pop3_migration_plugin_deinit(void)
+{
+ mail_storage_hooks_remove(&pop3_migration_mail_storage_hooks);
+}
diff --git a/src/plugins/pop3-migration/pop3-migration-plugin.h b/src/plugins/pop3-migration/pop3-migration-plugin.h
new file mode 100644
index 0000000..1dc84e0
--- /dev/null
+++ b/src/plugins/pop3-migration/pop3-migration-plugin.h
@@ -0,0 +1,13 @@
+#ifndef POP3_MIGRATION_PLUGIN_H
+#define POP3_MIGRATION_PLUGIN_H
+
+struct module;
+
+void pop3_migration_plugin_init(struct module *module);
+void pop3_migration_plugin_deinit(void);
+
+int pop3_migration_get_hdr_sha1(uint32_t mail_seq, struct istream *input,
+ unsigned char sha1_r[STATIC_ARRAY SHA1_RESULTLEN],
+ bool *have_eoh_r);
+
+#endif
diff --git a/src/plugins/pop3-migration/test-pop3-migration-plugin.c b/src/plugins/pop3-migration/test-pop3-migration-plugin.c
new file mode 100644
index 0000000..f8e52d8
--- /dev/null
+++ b/src/plugins/pop3-migration/test-pop3-migration-plugin.c
@@ -0,0 +1,63 @@
+/* Copyright (c) 2015-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "sha1.h"
+#include "hex-binary.h"
+#include "istream.h"
+#include "test-common.h"
+#include "pop3-migration-plugin.h"
+
+static void test_pop3_migration_get_hdr_sha1(void)
+{
+ static const struct {
+ const char *input;
+ const char *sha1;
+ bool have_eoh;
+ } tests[] = {
+ { "", "da39a3ee5e6b4b0d3255bfef95601890afd80709", FALSE },
+ { "\n", "adc83b19e793491b1c6ea0fd8b46cd9f32e592fc", TRUE },
+ { "a: \r\n", "a3871371f2d468493005286282ae10549dab2c57", FALSE },
+ { "a: b\r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+ { "a: b \r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+ { "a: b \r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+ { "a: b \r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+ { "a: b\r\n\r\n", "938b96404495cced816e3a4f6031734eab4e71b3", TRUE },
+ { "a: b\r\n\r\r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+ { "a: b\r\n\r\r\nc: d\r\n\r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", TRUE },
+ { "a: b\r\n \r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+ { "a: b\r\n \r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+ { "a: b\r\n\t\r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+ { "a: b\t\t\t\t\r\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+ { "a: b\nfoo\n", "44ef6a20971148dd54a161f79814e22e2d098ddb", FALSE },
+
+ { "a: b\nc: d\n", "4dbea2c1bdd1323e15931382c1835200d9286230", FALSE },
+ { "a:b\nc:d\n", "4dbea2c1bdd1323e15931382c1835200d9286230", FALSE },
+ { "a: b\nfoo\nc: d\n", "4dbea2c1bdd1323e15931382c1835200d9286230", FALSE },
+ };
+ struct istream *input;
+ unsigned char digest[SHA1_RESULTLEN];
+ unsigned int i;
+ bool have_eoh;
+
+ test_begin("pop3 migration get hdr sha1");
+
+ for (i = 0; i < N_ELEMENTS(tests); i++) {
+ input = i_stream_create_from_data(tests[i].input,
+ strlen(tests[i].input));
+ test_assert_idx(pop3_migration_get_hdr_sha1(1, input, digest, &have_eoh) == 0, i);
+ test_assert_idx(strcasecmp(binary_to_hex(digest, sizeof(digest)), tests[i].sha1) == 0, i);
+ test_assert_idx(tests[i].have_eoh == have_eoh, i);
+ i_stream_unref(&input);
+ }
+
+ test_end();
+}
+
+int main(void)
+{
+ static void (*const test_functions[])(void) = {
+ test_pop3_migration_get_hdr_sha1,
+ NULL
+ };
+ return test_run(test_functions);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 02:23:11 +0000