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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:51:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:51:24 +0000 |
commit | f7548d6d28c313cf80e6f3ef89aed16a19815df1 (patch) | |
tree | a3f6f2a3f247293bee59ecd28e8cd8ceb6ca064a /src/doveadm/doveadm-dump-log.c | |
parent | Initial commit. (diff) | |
download | dovecot-f7548d6d28c313cf80e6f3ef89aed16a19815df1.tar.xz dovecot-f7548d6d28c313cf80e6f3ef89aed16a19815df1.zip |
Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/doveadm/doveadm-dump-log.c')
-rw-r--r-- | src/doveadm/doveadm-dump-log.c | 568 |
1 files changed, 568 insertions, 0 deletions
diff --git a/src/doveadm/doveadm-dump-log.c b/src/doveadm/doveadm-dump-log.c new file mode 100644 index 0000000..0725b28 --- /dev/null +++ b/src/doveadm/doveadm-dump-log.c @@ -0,0 +1,568 @@ +/* Copyright (c) 2007-2018 Dovecot authors, see the included COPYING file */ + +#include "lib.h" +#include "istream.h" +#include "hex-binary.h" +#include "mail-index-private.h" +#include "mail-transaction-log-private.h" +#include "doveadm-dump.h" + +#include <stdio.h> + +static struct mail_transaction_ext_intro prev_intro; + +static void dump_hdr(struct istream *input, uint64_t *modseq_r, + unsigned int *version_r) +{ + struct mail_transaction_log_header hdr; + const unsigned char *data; + size_t size; + int ret; + + ret = i_stream_read_bytes(input, &data, &size, sizeof(hdr)); + if (ret < 0 && input->stream_errno != 0) + i_fatal("read() failed: %s", i_stream_get_error(input)); + if (ret <= 0) { + i_fatal("file hdr read() %zu != %zu", + size, sizeof(hdr)); + } + memcpy(&hdr, data, sizeof(hdr)); + if (hdr.hdr_size < sizeof(hdr)) { + memset(PTR_OFFSET(&hdr, hdr.hdr_size), 0, + sizeof(hdr) - hdr.hdr_size); + } + i_stream_skip(input, hdr.hdr_size); + + printf("version = %u.%u\n", hdr.major_version, hdr.minor_version); + printf("hdr size = %u\n", hdr.hdr_size); + printf("index id = %u\n", hdr.indexid); + printf("file seq = %u\n", hdr.file_seq); + printf("prev file = %u/%u\n", hdr.prev_file_seq, hdr.prev_file_offset); + printf("create stamp = %u\n", hdr.create_stamp); + printf("initial modseq = %"PRIu64"\n", hdr.initial_modseq); + printf("compat flags = %x\n", hdr.compat_flags); + *modseq_r = hdr.initial_modseq; + *version_r = MAIL_TRANSACTION_LOG_HDR_VERSION(&hdr); +} + +static const char *log_record_type(unsigned int type) +{ + const char *name; + + switch (type & MAIL_TRANSACTION_TYPE_MASK) { + case MAIL_TRANSACTION_EXPUNGE|MAIL_TRANSACTION_EXPUNGE_PROT: + name = "expunge"; + break; + case MAIL_TRANSACTION_EXPUNGE_GUID|MAIL_TRANSACTION_EXPUNGE_PROT: + name = "expunge-guid"; + break; + case MAIL_TRANSACTION_APPEND: + name = "append"; + break; + case MAIL_TRANSACTION_FLAG_UPDATE: + name = "flag-update"; + break; + case MAIL_TRANSACTION_HEADER_UPDATE: + name = "header-update"; + break; + case MAIL_TRANSACTION_EXT_INTRO: + name = "ext-intro"; + break; + case MAIL_TRANSACTION_EXT_RESET: + name = "ext-reset"; + break; + case MAIL_TRANSACTION_EXT_HDR_UPDATE: + name = "ext-hdr"; + break; + case MAIL_TRANSACTION_EXT_HDR_UPDATE32: + name = "ext-hdr32"; + break; + case MAIL_TRANSACTION_EXT_REC_UPDATE: + name = "ext-rec"; + break; + case MAIL_TRANSACTION_KEYWORD_UPDATE: + name = "keyword-update"; + break; + case MAIL_TRANSACTION_KEYWORD_RESET: + name = "keyword-reset"; + break; + case MAIL_TRANSACTION_EXT_ATOMIC_INC: + name = "ext-atomic-inc"; + break; + case MAIL_TRANSACTION_MODSEQ_UPDATE: + name = "modseq-update"; + break; + case MAIL_TRANSACTION_INDEX_DELETED: + name = "index-deleted"; + break; + case MAIL_TRANSACTION_INDEX_UNDELETED: + name = "index-undeleted"; + break; + case MAIL_TRANSACTION_BOUNDARY: + name = "boundary"; + break; + case MAIL_TRANSACTION_ATTRIBUTE_UPDATE: + name = "attribute-update"; + break; + default: + name = t_strdup_printf("unknown: %x", type); + break; + } + + if ((type & MAIL_TRANSACTION_EXTERNAL) != 0) + name = t_strconcat(name, " (ext)", NULL); + if ((type & MAIL_TRANSACTION_SYNC) != 0) + name = t_strconcat(name, " (sync)", NULL); + return name; +} + +static void print_data(const void *data, size_t size) +{ + size_t i; + + for (i = 0; i < size; i++) + printf("%02x", ((const unsigned char *)data)[i]); + if (size == 4) { + const uint32_t *n = (const uint32_t *)data; + + printf(" (dec=%u)", *n); + } +} + +static void print_try_uint(const void *data, size_t size) +{ + size_t i; + + switch (size) { + case 1: { + const uint8_t *n = data; + printf("%u", *n); + break; + } + case 2: { + const uint16_t *n = data; + uint32_t n16; + + memcpy(&n16, n, sizeof(n16)); + printf("%u", n16); + break; + } + case 4: { + const uint32_t *n = data; + uint32_t n32; + + memcpy(&n32, n, sizeof(n32)); + printf("%u", n32); + break; + } + case 8: { + const uint64_t *n = data; + uint64_t n64; + + memcpy(&n64, n, sizeof(n64)); + printf("%"PRIu64, n64); + break; + } + default: + for (i = 0; i < size; i++) + printf("%02x", ((const unsigned char *)data)[i]); + } +} + +#define HDRF(field) { \ + #field, offsetof(struct mail_index_header, field), \ + sizeof(((struct mail_index_header *)0)->field) } + +static struct { + const char *name; + unsigned int offset, size; +} header_fields[] = { + HDRF(minor_version), + HDRF(base_header_size), + HDRF(header_size), + HDRF(record_size), + HDRF(compat_flags), + HDRF(indexid), + HDRF(flags), + HDRF(uid_validity), + HDRF(next_uid), + HDRF(messages_count), + HDRF(unused_old_recent_messages_count), + HDRF(seen_messages_count), + HDRF(deleted_messages_count), + HDRF(first_recent_uid), + HDRF(first_unseen_uid_lowwater), + HDRF(first_deleted_uid_lowwater), + HDRF(log_file_seq), + HDRF(log_file_tail_offset), + HDRF(log_file_head_offset), + HDRF(day_stamp) +}; + +static void log_header_update(const struct mail_transaction_header_update *u, + size_t data_size) +{ + const void *data = u + 1; + unsigned int offset = u->offset, size = u->size; + unsigned int i; + + if (sizeof(*u) + size > data_size) { + printf(" - offset = %u, size = %u (too large)\n", offset, size); + return; + } + + while (size > 0) { + /* don't bother trying to handle header updates that include + unknown/unexpected fields offsets/sizes */ + for (i = 0; i < N_ELEMENTS(header_fields); i++) { + if (header_fields[i].offset == offset && + header_fields[i].size <= size) + break; + } + + if (i == N_ELEMENTS(header_fields)) { + printf(" - offset = %u, size = %u: ", offset, size); + print_data(data, size); + printf("\n"); + break; + } + + printf(" - %s = ", header_fields[i].name); + print_try_uint(data, header_fields[i].size); + printf("\n"); + + data = CONST_PTR_OFFSET(data, header_fields[i].size); + offset += header_fields[i].size; + size -= header_fields[i].size; + } +} + +static void log_record_print(const struct mail_transaction_header *hdr, + const void *data, size_t data_size, + uint64_t *modseq) +{ + unsigned int size = mail_index_offset_to_uint32(hdr->size) - sizeof(*hdr); + + switch (hdr->type & MAIL_TRANSACTION_TYPE_MASK) { + case MAIL_TRANSACTION_EXPUNGE|MAIL_TRANSACTION_EXPUNGE_PROT: { + const struct mail_transaction_expunge *exp = data; + + printf(" - uids="); + for (; size > 0; size -= sizeof(*exp), exp++) { + printf("%u-%u,", exp->uid1, exp->uid2); + } + printf("\n"); + break; + } + case MAIL_TRANSACTION_EXPUNGE_GUID|MAIL_TRANSACTION_EXPUNGE_PROT: { + const struct mail_transaction_expunge_guid *exp = data; + + for (; size > 0; size -= sizeof(*exp), exp++) { + printf(" - uid=%u (guid ", exp->uid); + print_data(exp->guid_128, sizeof(exp->guid_128)); + printf(")\n"); + } + break; + } + case MAIL_TRANSACTION_APPEND: { + const struct mail_index_record *rec = data; + + printf(" - uids="); + for (; size > 0; size -= sizeof(*rec), rec++) { + printf("%u", rec->uid); + if (rec->flags != 0) + printf(" (flags=%x)", rec->flags); + printf(","); + } + printf("\n"); + break; + } + case MAIL_TRANSACTION_FLAG_UPDATE: { + const struct mail_transaction_flag_update *u = data; + + for (; size > 0; size -= sizeof(*u), u++) { + printf(" - uids=%u-%u (flags +%x-%x, modseq_inc_flag=%d)\n", + u->uid1, u->uid2, u->add_flags, u->remove_flags, u->modseq_inc_flag); + } + break; + } + case MAIL_TRANSACTION_HEADER_UPDATE: { + const struct mail_transaction_header_update *u = data; + + log_header_update(u, data_size); + break; + } + case MAIL_TRANSACTION_EXT_INTRO: { + const struct mail_transaction_ext_intro *intro = data; + + prev_intro = *intro; + printf(" - ext_id = %u\n", intro->ext_id); + printf(" - reset_id = %u\n", intro->reset_id); + printf(" - hdr_size = %u\n", intro->hdr_size); + printf(" - record_size = %u\n", intro->record_size); + printf(" - record_align = %u\n", intro->record_align); + printf(" - flags = %u\n", intro->flags); + printf(" - name_size = %u\n", intro->name_size); + if (intro->name_size > 0) { + const char *name = (const char *)(intro+1); + + printf(" - name = '%.*s'\n", intro->name_size, name); + if (*modseq == 0 && intro->name_size == 6 && + memcmp(name, "modseq", 6) == 0) + *modseq = 1; + } + break; + } + case MAIL_TRANSACTION_EXT_RESET: { + const struct mail_transaction_ext_reset *reset = data; + + printf(" - new_reset_id = %u\n", reset->new_reset_id); + printf(" - preserve_data = %u\n", reset->preserve_data); + break; + } + case MAIL_TRANSACTION_EXT_HDR_UPDATE: { + const struct mail_transaction_ext_hdr_update *u = data; + + printf(" - offset = %u, size = %u", u->offset, u->size); + if (sizeof(*u) + u->size <= data_size) { + printf(": "); + print_data(u + 1, u->size); + } else { + printf(" (too large)"); + } + printf("\n"); + break; + } + case MAIL_TRANSACTION_EXT_HDR_UPDATE32: { + const struct mail_transaction_ext_hdr_update32 *u = data; + + printf(" - offset = %u, size = %u", u->offset, u->size); + if (sizeof(*u) + u->size <= data_size) { + printf(": "); + print_data(u + 1, u->size); + } else { + printf(" (too large)"); + } + printf("\n"); + break; + } + case MAIL_TRANSACTION_EXT_REC_UPDATE: { + const struct mail_transaction_ext_rec_update *rec = data, *end; + size_t record_size; + + end = CONST_PTR_OFFSET(data, size); + record_size = (sizeof(*rec) + prev_intro.record_size + 3) & ~3U; + while (rec < end) { + printf(" - uid=%u: ", rec->uid); + size_t bytes_left = (const char *)end - (const char *)(rec + 1); + if (prev_intro.record_size <= bytes_left) + print_data(rec + 1, prev_intro.record_size); + else + printf("(record_size too large)"); + printf("\n"); + rec = CONST_PTR_OFFSET(rec, record_size); + } + break; + } + case MAIL_TRANSACTION_EXT_ATOMIC_INC: { + const struct mail_transaction_ext_atomic_inc *rec = data, *end; + + end = CONST_PTR_OFFSET(data, size); + for (; rec < end; rec++) { + printf(" - uid=%u: ", rec->uid); + if (rec->diff > 0) + printf("+%d\n", rec->diff); + else + printf("%d\n", rec->diff); + } + break; + } + case MAIL_TRANSACTION_KEYWORD_UPDATE: { + const struct mail_transaction_keyword_update *u = data; + const uint32_t *uid; + unsigned int uid_offset; + + printf(" - modify=%d, name=%.*s, uids=", + u->modify_type, u->name_size, (const char *)(u+1)); + + uid_offset = sizeof(*u) + u->name_size + + ((u->name_size % 4) == 0 ? 0 : 4 - (u->name_size%4)); + uid = (const uint32_t *)((const char *)u + uid_offset); + size -= uid_offset; + + for (; size > 0; size -= sizeof(*uid)*2, uid += 2) { + printf("%u-%u,", uid[0], uid[1]); + } + printf("\n"); + break; + } + case MAIL_TRANSACTION_KEYWORD_RESET: { + const struct mail_transaction_keyword_reset *u = data; + + printf(" - uids="); + for (; size > 0; size -= sizeof(*u), u++) { + printf("%u-%u, ", u->uid1, u->uid2); + } + printf("\n"); + break; + } + case MAIL_TRANSACTION_MODSEQ_UPDATE: { + const struct mail_transaction_modseq_update *rec, *end; + + end = CONST_PTR_OFFSET(data, size); + for (rec = data; rec < end; rec++) { + printf(" - uid=%u modseq=%"PRIu64"\n", rec->uid, + ((uint64_t)rec->modseq_high32 << 32) | + rec->modseq_low32); + } + break; + } + case MAIL_TRANSACTION_INDEX_DELETED: + case MAIL_TRANSACTION_INDEX_UNDELETED: + break; + case MAIL_TRANSACTION_BOUNDARY: { + const struct mail_transaction_boundary *rec = data; + + printf(" - size=%u\n", rec->size); + break; + } + case MAIL_TRANSACTION_ATTRIBUTE_UPDATE: { + const char *keys = data; + const uint32_t *extra; + unsigned int i, extra_pos, extra_count = 0; + + for (i = 0; i < size && keys[i] != '\0'; ) { + if (keys[i] == '+') + extra_count++; + extra_count++; + i += strlen(keys+i) + 1; + } + if (i % sizeof(uint32_t) != 0) + i += sizeof(uint32_t) - i%sizeof(uint32_t); + extra = (const void *)(keys+i); + + if ((size-i) != extra_count*sizeof(uint32_t)) { + printf(" - broken entry\n"); + break; + } + + extra_pos = 0; + for (i = 0; i < size && keys[i] != '\0'; ) { + printf(" - %s: %s/%s : timestamp=%s", + keys[i] == '+' ? "add" : keys[i] == '-' ? "remove" : "?", + keys[i+1] == 'p' ? "private" : + keys[i+1] == 's' ? "shared" : "?error?", + keys+i+2, unixdate2str(extra[extra_pos++])); + if (keys[i] == '+') + printf(" value_len=%u", extra[extra_pos++]); + printf("\n"); + i += strlen(keys+i) + 1; + } + + break; + } + default: + break; + } +} + +static int dump_record(struct istream *input, uint64_t *modseq, + unsigned int version) +{ + struct mail_transaction_header hdr; + unsigned int hdr_size; + const unsigned char *data; + size_t size; + int ret; + + ret = i_stream_read_bytes(input, &data, &size, sizeof(hdr)); + if (ret < 0 && input->stream_errno != 0) + i_fatal("read() failed: %s", i_stream_get_error(input)); + if (ret <= 0) { + if (size == 0) + return 0; + i_fatal("rec hdr read() %zu != %zu", + size, sizeof(hdr)); + } + memcpy(&hdr, data, sizeof(hdr)); + + hdr_size = mail_index_offset_to_uint32(hdr.size); + if (hdr_size < sizeof(hdr)) { + printf("record: offset=%"PRIuUOFF_T", " + "type=%s, size=broken (%x)\n", + input->v_offset, log_record_type(hdr.type), hdr.size); + return 0; + } + + printf("record: offset=%"PRIuUOFF_T", type=%s, size=%u", + input->v_offset, log_record_type(hdr.type), hdr_size); + + i_stream_skip(input, sizeof(hdr)); + size_t data_size = hdr_size - sizeof(hdr); + ret = i_stream_read_bytes(input, &data, &size, data_size); + if (ret < 0 && input->stream_errno != 0) + i_fatal("read() failed: %s", i_stream_get_error(input)); + if (ret <= 0) { + i_fatal("rec data read() %zu != %zu", + size, data_size); + } + + uint64_t prev_modseq = *modseq; + mail_transaction_update_modseq(&hdr, data, modseq, version); + if (*modseq > prev_modseq) + printf(", modseq=%"PRIu64, *modseq); + printf("\n"); + + log_record_print(&hdr, data, data_size, modseq); + i_stream_skip(input, data_size); + return 1; +} + +static void cmd_dump_log(const char *path, const char *const *args ATTR_UNUSED) +{ + struct istream *input; + uint64_t modseq; + unsigned int version; + int ret; + + input = i_stream_create_file(path, SIZE_MAX); + dump_hdr(input, &modseq, &version); + do { + T_BEGIN { + ret = dump_record(input, &modseq, version); + } T_END; + } while (ret > 0); + i_stream_unref(&input); +} + +static bool test_dump_log(const char *path) +{ + struct mail_transaction_log_header hdr; + const char *p; + bool ret = FALSE; + int fd; + + p = strrchr(path, '/'); + if (p == NULL) + p = path; + p = strstr(p, ".log"); + if (p == NULL || !(p[4] == '\0' || p[4] == '.')) + return FALSE; + + fd = open(path, O_RDONLY); + if (fd == -1) + return FALSE; + + if (read(fd, &hdr, sizeof(hdr)) >= MAIL_TRANSACTION_LOG_HEADER_MIN_SIZE && + hdr.major_version == MAIL_TRANSACTION_LOG_MAJOR_VERSION && + hdr.hdr_size >= MAIL_TRANSACTION_LOG_HEADER_MIN_SIZE) + ret = TRUE; + i_close_fd(&fd); + return ret; +} + +struct doveadm_cmd_dump doveadm_cmd_dump_log = { + "log", + test_dump_log, + cmd_dump_log +}; |