Adding upstream version 1:2.3.21+dfsg1.upstream/1%2.3.21+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 231 insertions, 0 deletions

diff --git a/src/doveadm/doveadm-dump-dbox.c b/src/doveadm/doveadm-dump-dbox.c
new file mode 100644
index 0000000..429b4a1
--- /dev/null
+++ b/src/doveadm/doveadm-dump-dbox.c
@@ -0,0 +1,231 @@
+/* Copyright (c) 2011-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "hex-dec.h"
+#include "istream.h"
+#include "index/dbox-common/dbox-file.h"
+#include "doveadm-dump.h"
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+static void
+dump_timestamp(struct istream *input, const char *name, const char *value)
+{
+	time_t t;
+
+	if (strcmp(value, "0") == 0)
+		t = 0;
+	else {
+		t = hex2dec((const void *)value, strlen(value));
+		if (t == 0) {
+			i_fatal("Invalid %s at %"PRIuUOFF_T": %s",
+				name, input->v_offset, value);
+		}
+	}
+	printf("%s = %ld (%s)\n", name, (long)t, unixdate2str(t));
+}
+
+static uoff_t
+dump_size(struct istream *input, const char *name, const char *value)
+{
+	uoff_t size;
+
+	if (strcmp(value, "0") == 0)
+		size = 0;
+	else {
+		size = hex2dec((const void *)value, strlen(value));
+		if (size == 0) {
+			i_fatal("Invalid %s at %"PRIuUOFF_T": %s",
+				name, input->v_offset, value);
+		}
+	}
+	printf("%s = %"PRIuUOFF_T"\n", name, size);
+	return size;
+}
+
+static unsigned int dump_file_hdr(struct istream *input)
+{
+	const char *line, *const *arg, *version;
+	unsigned int msg_hdr_size = 0;
+
+	if ((line = i_stream_read_next_line(input)) == NULL)
+		i_fatal("Empty file");
+	arg = t_strsplit(line, " ");
+
+	/* check version */
+	version = *arg;
+	if (version == NULL || !str_is_numeric(version, ' '))
+		i_fatal("%s is not a dbox file", i_stream_get_name(input));
+	if (strcmp(version, "2") != 0)
+		i_fatal("Unsupported dbox file version %s", version);
+	arg++;
+
+	for (; *arg != NULL; arg++) {
+		switch (**arg) {
+		case DBOX_HEADER_MSG_HEADER_SIZE:
+			msg_hdr_size = hex2dec((const void *)(*arg + 1),
+					       strlen(*arg + 1));
+			if (msg_hdr_size == 0) {
+				i_fatal("Invalid msg_header_size header: %s",
+					*arg + 1);
+			}
+			printf("file.msg_header_size = %u\n", msg_hdr_size);
+			break;
+		case DBOX_HEADER_CREATE_STAMP:
+			dump_timestamp(input, "file.create_stamp", *arg + 1);
+			break;
+		default:
+			printf("file.unknown-%c = %s\n", **arg, *arg + 1);
+			break;
+		}
+	}
+	if (msg_hdr_size == 0)
+		i_fatal("Missing msg_header_size in file header");
+	return msg_hdr_size;
+}
+
+static bool
+dump_msg_hdr(struct istream *input, unsigned int hdr_size, uoff_t *msg_size_r)
+{
+	struct dbox_message_header hdr;
+	const unsigned char *data;
+	size_t size;
+	uoff_t msg_size;
+
+	if (i_stream_read_bytes(input, &data, &size, hdr_size) <= 0) {
+		if (size == 0)
+			return FALSE;
+		i_fatal("Partial message header read at %"PRIuUOFF_T": %zu bytes",
+			input->v_offset, size);
+	}
+	printf("offset %"PRIuUOFF_T":\n", input->v_offset);
+
+	if (hdr_size < sizeof(hdr))
+		i_fatal("file.hdr_size too small: %u", hdr_size);
+	memcpy(&hdr, data, sizeof(hdr));
+
+	if (memcmp(hdr.magic_pre, DBOX_MAGIC_PRE, sizeof(hdr.magic_pre)) != 0)
+		i_fatal("dbox wrong pre-magic at %"PRIuUOFF_T, input->v_offset);
+
+	msg_size = dump_size(input, "msg.size",
+		t_strndup(hdr.message_size_hex, sizeof(hdr.message_size_hex)));
+
+	i_stream_skip(input, hdr_size);
+	*msg_size_r = msg_size;
+	return TRUE;
+}
+
+static void dump_msg_metadata(struct istream *input)
+{
+	struct dbox_metadata_header hdr;
+	const unsigned char *data;
+	size_t size;
+	const char *line;
+
+	/* verify magic */
+	if (i_stream_read_bytes(input, &data, &size, sizeof(hdr)) <= 0) {
+		i_fatal("dbox missing metadata at %"PRIuUOFF_T,
+			input->v_offset);
+	}
+	memcpy(&hdr, data, sizeof(hdr));
+	if (memcmp(hdr.magic_post, DBOX_MAGIC_POST, sizeof(hdr.magic_post)) != 0)
+		i_fatal("dbox wrong post-magic at %"PRIuUOFF_T, input->v_offset);
+	i_stream_skip(input, sizeof(hdr));
+
+	/* dump the metadata */
+	for (;;) {
+		if ((line = i_stream_read_next_line(input)) == NULL)
+			i_fatal("dbox metadata ended unexpectedly at EOF");
+		if (*line == '\0')
+			break;
+
+		switch (*line) {
+		case DBOX_METADATA_GUID:
+			printf("msg.guid = %s\n", line + 1);
+			break;
+		case DBOX_METADATA_POP3_UIDL:
+			printf("msg.pop3-uidl = %s\n", line + 1);
+			break;
+		case DBOX_METADATA_POP3_ORDER:
+			printf("msg.pop3-order = %s\n", line + 1);
+			break;
+		case DBOX_METADATA_RECEIVED_TIME:
+			dump_timestamp(input, "msg.received", line + 1);
+			break;
+		case DBOX_METADATA_PHYSICAL_SIZE:
+			(void)dump_size(input, "msg.physical-size", line + 1);
+			break;
+		case DBOX_METADATA_VIRTUAL_SIZE:
+			(void)dump_size(input, "msg.virtual-size", line + 1);
+			break;
+		case DBOX_METADATA_EXT_REF:
+			printf("msg.ext-ref = %s\n", line + 1);
+			break;
+		case DBOX_METADATA_ORIG_MAILBOX:
+			printf("msg.orig-mailbox = %s\n", line + 1);
+			break;
+
+		case DBOX_METADATA_OLDV1_EXPUNGED:
+		case DBOX_METADATA_OLDV1_FLAGS:
+		case DBOX_METADATA_OLDV1_KEYWORDS:
+		case DBOX_METADATA_OLDV1_SAVE_TIME:
+		case DBOX_METADATA_OLDV1_SPACE:
+			printf("msg.obsolete-%c = %s\n", *line, line + 1);
+			break;
+		}
+	}
+}
+
+static bool dump_msg(struct istream *input, unsigned int hdr_size)
+{
+	uoff_t msg_size;
+
+	if (!dump_msg_hdr(input, hdr_size, &msg_size))
+		return FALSE;
+	i_stream_skip(input, msg_size);
+	dump_msg_metadata(input);
+	return TRUE;
+}
+
+static void cmd_dump_dbox(const char *path, const char *const *args ATTR_UNUSED)
+{
+	struct istream *input;
+	int fd;
+	unsigned int hdr_size;
+	bool ret;
+
+	fd = open(path, O_RDONLY);
+	if (fd < 0)
+		i_fatal("open(%s) failed: %m", path);
+
+	input = i_stream_create_fd_autoclose(&fd, SIZE_MAX);
+	i_stream_set_name(input, path);
+	hdr_size = dump_file_hdr(input);
+	do {
+		printf("\n");
+		T_BEGIN {
+			ret = dump_msg(input, hdr_size);
+		} T_END;
+	} while (ret);
+	i_stream_destroy(&input);
+}
+
+static bool test_dump_dbox(const char *path)
+{
+	const char *p;
+
+	p = strrchr(path, '/');
+	if (p == NULL)
+		p = path;
+	else
+		p++;
+	return str_begins(p, "m.") || str_begins(p, "u.");
+}
+
+struct doveadm_cmd_dump doveadm_cmd_dump_dbox = {
+	"dbox",
+	test_dump_dbox,
+	cmd_dump_dbox
+};