-/* $Cambridge: exim/src/src/exim_dbutil.c,v 1.2 2004/12/20 12:29:10 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2004 */
+/* Copyright (c) The Exim Maintainers 2020 - 2024 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/* This single source file is used to compile three utility programs for
In all cases, the first argument is the name of the spool directory. The second
argument is the name of the database file. The available names are:
- retry: retry delivery information
- misc: miscellaneous hints data
- wait-<t>: message waiting information; <t> is a transport name
- callout: callout verification cache
+ callout: callout verification cache
+ misc: miscellaneous hints data
+ ratelimit: record for ACL "ratelimit" condition
+ retry: etry delivery information
+ seen: imestamp records for ACL "seen" condition
+ tls: TLS session resumption cache
+ wait-<t>: message waiting information; <t> is a transport name
There are a number of common subroutines, followed by three main programs,
whose inclusion is controlled by -D on the compilation command. */
-/* Standard C headers and Unix headers */
-
-#include <ctype.h>
-#include <signal.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/stat.h>
-
-
-/* These are two values from macros.h which should perhaps be accessible in
-some better way than just repeating them here. */
-
-#define WAIT_NAME_MAX 50
-#define MESSAGE_ID_LENGTH 16
-
-
-/* This selection of Exim headers contains exactly what we need, and hopefully
-not too much extra baggage. */
-
-#include "config.h" /* Needed to get the DB type */
-#include "mytypes.h"
-#include "macros.h"
-#include "dbstuff.h"
-#include "osfunctions.h"
-#include "store.h"
+#include "exim.h"
/* Identifiers for the different database types. */
-#define type_retry 1
-#define type_wait 2
-#define type_misc 3
-#define type_callout 4
+#define type_retry 1
+#define type_wait 2
+#define type_misc 3
+#define type_callout 4
+#define type_ratelimit 5
+#define type_tls 6
+#define type_seen 7
+/* This is used by our cut-down dbfn_open(). */
+uschar *spool_directory;
-/*************************************************
-* Berkeley DB error callback *
-*************************************************/
+BOOL keyonly = FALSE;
+BOOL utc = FALSE;
-/* For Berkeley DB >= 2, we can define a function to be called in case of DB
-errors. This should help with debugging strange DB problems, e.g. getting "File
-exists" when you try to open a db file. */
-#if defined(USE_DB) && defined(DB_VERSION_STRING)
+/******************************************************************************/
+ /* dummies needed by Solaris build */
void
-dbfn_bdb_error_callback(const char *pfx, char *msg)
-{
-pfx = pfx;
-printf("Berkeley DB error: %s\n", msg);
-}
-#endif
+millisleep(int msec)
+{}
+uschar *
+readconf_printtime(int t)
+{ return NULL; }
+gstring *
+string_catn(gstring * g, const uschar * s, int count)
+{ return NULL; }
+gstring *
+string_vformat_trc(gstring * g, const uschar * func, unsigned line,
+ unsigned size_limit, unsigned flags, const char *format, va_list ap)
+{ return NULL; }
+uschar *
+string_sprintf_trc(const char * fmt, const uschar * func, unsigned line, ...)
+{ return NULL; }
+BOOL
+string_format_trc(uschar * buf, int len, const uschar * func, unsigned line,
+ const char * fmt, ...)
+{ return FALSE; }
+
+struct global_flags f;
+unsigned int log_selector[1];
+uschar * queue_name;
+BOOL split_spool_directory;
+/******************************************************************************/
+
/*************************************************
* SIGALRM handler *
*************************************************/
-static int sigalrm_seen;
+SIGNAL_BOOL sigalrm_seen;
void
sigalrm_handler(int sig)
{
-sig = sig; /* Keep picky compilers happy */
sigalrm_seen = 1;
}
usage(uschar *name, uschar *options)
{
printf("Usage: exim_%s%s <spool-directory> <database-name>\n", name, options);
-printf(" <database-name> = retry | misc | wait-<transport-name> | callout\n");
-exit(1);
+printf(" <database-name> = retry | misc | wait-<transport-name> | callout | ratelimit | tls | seen\n");
+exit(EXIT_FAILURE);
}
static int
check_args(int argc, uschar **argv, uschar *name, uschar *options)
{
-if (argc == 3)
+uschar * aname = argv[optind + 1];
+if (argc - optind == 2)
{
- if (Ustrcmp(argv[2], "retry") == 0) return type_retry;
- if (Ustrcmp(argv[2], "misc") == 0) return type_misc;
- if (Ustrncmp(argv[2], "wait-", 5) == 0) return type_wait;
- if (Ustrcmp(argv[2], "callout") == 0) return type_callout;
+ if (Ustrcmp(aname, "retry") == 0) return type_retry;
+ if (Ustrcmp(aname, "misc") == 0) return type_misc;
+ if (Ustrncmp(aname, "wait-", 5) == 0) return type_wait;
+ if (Ustrcmp(aname, "callout") == 0) return type_callout;
+ if (Ustrcmp(aname, "ratelimit") == 0) return type_ratelimit;
+ if (Ustrcmp(aname, "tls") == 0) return type_tls;
+ if (Ustrcmp(aname, "seen") == 0) return type_seen;
}
usage(name, options);
return -1; /* Never obeyed */
}
+FUNC_MAYBE_UNUSED
+static void
+options(int argc, uschar * argv[], uschar * name, const uschar * opts)
+{
+int opt;
+
+opterr = 0;
+while ((opt = getopt(argc, (char * const *)argv, CCS opts)) != -1)
+ switch (opt)
+ {
+ case 'k': keyonly = TRUE; break;
+ case 'z': utc = TRUE; break;
+ default: usage(name, US" [-z] [-k]");
+ }
+}
+
+
+
/*************************************************
* Handle attempts to write the log *
*/
void
-log_write(unsigned int selector, int flags, char *format, ...)
+log_write(unsigned int selector, int flags, const char *format, ...)
{
va_list ap;
va_start(ap, format);
vfprintf(stderr, format, ap);
fprintf(stderr, "\n");
va_end(ap);
-selector = selector; /* Keep picky compilers happy */
-flags = flags;
}
uschar *
print_time(time_t t)
{
-struct tm *tmstr = localtime(&t);
+struct tm *tmstr = utc ? gmtime(&t) : localtime(&t);
Ustrftime(time_buffer, sizeof(time_buffer), "%d-%b-%Y %H:%M:%S", tmstr);
return time_buffer;
}
uschar *
print_cache(int value)
{
-return (value == ccache_accept)? US"accept" :
- (value == ccache_reject)? US"reject" :
+return value == ccache_accept ? US"accept" :
+ value == ccache_reject ? US"reject" :
US"unknown";
}
static time_t
read_time(uschar *s)
{
-uschar *t = s;
int field = 0;
int value;
time_t now = time(NULL);
tm->tm_sec = 0;
tm->tm_isdst = -1;
-for (t = s + Ustrlen(s) - 1; t >= s; t--)
+for (uschar * t = s + Ustrlen(s) - 1; t >= s; t--)
{
if (*t == ':') continue;
if (!isdigit((uschar)*t)) return -1;
the lock file.
Arguments:
- spool The spool directory
name The single-component name of one of Exim's database files.
flags O_RDONLY or O_RDWR
dbblock Points to an open_db block to be filled in.
+ lof Unused.
+ panic Unused
Returns: NULL if the open failed, or the locking failed.
On success, dbblock is returned. This contains the dbm pointer and
the fd of the locked lock file.
*/
-static open_db *
-dbfn_open(uschar *spool, uschar *name, int flags, open_db *dbblock)
+open_db *
+dbfn_open(const uschar * name, int flags, open_db * dbblock,
+ BOOL lof, BOOL panic)
{
int rc;
struct flock lock_data;
-BOOL read_only = flags == O_RDONLY;
-uschar buffer[256];
+BOOL read_only = (flags & (O_WRONLY|O_RDWR)) == O_RDONLY;
+uschar * dirname, * filename;
/* The first thing to do is to open a separate file on which to lock. This
ensures that Exim has exclusive use of the database before it even tries to
-open it. If there is a database, there should be a lock file in existence. */
+open it. If there is a database, there should be a lock file in existence;
+if no lockfile we infer there is no database and error out. We open the
+lockfile using the r/w mode requested for the DB, users lacking permission
+for the DB access mode will error out here. */
-sprintf(CS buffer, "%s/db/%s.lockfile", spool, name);
+if ( asprintf(CSS &dirname, "%s/db", spool_directory) < 0
+ || asprintf(CSS &filename, "%s/%s.lockfile", dirname, name) < 0)
+ return NULL;
-dbblock->lockfd = Uopen(buffer, flags, 0);
-if (dbblock->lockfd < 0)
+dbblock->lockfd = -1;
+if (exim_lockfile_needed())
{
- printf("** Failed to open database lock file %s: %s\n", buffer,
- strerror(errno));
- return NULL;
- }
+ if ((dbblock->lockfd = Uopen(filename, flags, 0)) < 0)
+ {
+ printf("** Failed to open database lock file %s: %s\n", filename,
+ strerror(errno));
+ return NULL;
+ }
-/* Now we must get a lock on the opened lock file; do this with a blocking
-lock that times out. */
+ /* Now we must get a lock on the opened lock file; do this with a blocking
+ lock that times out. */
-lock_data.l_type = read_only? F_RDLCK : F_WRLCK;
-lock_data.l_whence = lock_data.l_start = lock_data.l_len = 0;
+ lock_data.l_type = read_only ? F_RDLCK : F_WRLCK;
+ lock_data.l_whence = lock_data.l_start = lock_data.l_len = 0;
-sigalrm_seen = FALSE;
-os_non_restarting_signal(SIGALRM, sigalrm_handler);
-alarm(EXIMDB_LOCK_TIMEOUT);
-rc = fcntl(dbblock->lockfd, F_SETLKW, &lock_data);
-alarm(0);
+ sigalrm_seen = FALSE;
+ os_non_restarting_signal(SIGALRM, sigalrm_handler);
+ ALARM(EXIMDB_LOCK_TIMEOUT);
+ rc = fcntl(dbblock->lockfd, F_SETLKW, &lock_data);
+ ALARM_CLR(0);
-if (sigalrm_seen) errno = ETIMEDOUT;
-if (rc < 0)
- {
- printf("** Failed to get %s lock for %s: %s",
- ((flags & O_RDONLY) != 0)? "read" : "write", buffer,
- (errno == ETIMEDOUT)? "timed out" : strerror(errno));
- close(dbblock->lockfd);
- return NULL;
+ if (sigalrm_seen) errno = ETIMEDOUT;
+ if (rc < 0)
+ {
+ printf("** Failed to get %s lock for %s: %s",
+ read_only ? "read" : "write",
+ filename,
+ errno == ETIMEDOUT ? "timed out" : strerror(errno));
+ (void)close(dbblock->lockfd);
+ return NULL;
+ }
+
+ /* At this point we have an opened and locked separate lock file, that is,
+ exclusive access to the database, so we can go ahead and open it. */
}
-/* At this point we have an opened and locked separate lock file, that is,
-exclusive access to the database, so we can go ahead and open it. */
+if (asprintf(CSS &filename, "%s/%s", dirname, name) < 0) return NULL;
-sprintf(CS buffer, "%s/db/%s", spool, name);
-EXIM_DBOPEN(buffer, flags, 0, &(dbblock->dbptr));
+if (flags & O_RDWR) flags |= O_CREAT;
-if (dbblock->dbptr == NULL)
+if (!(dbblock->dbptr = exim_dbopen(filename, dirname, flags, 0)))
{
- printf("** Failed to open DBM file %s for %s:\n %s%s\n", buffer,
- read_only? "reading" : "writing", strerror(errno),
- #ifdef USE_DB
+ printf("** Failed to open DBM file %s for %s: %s%s\n", filename,
+ read_only ? "reading" : "writing", strerror(errno),
+#ifdef USE_DB
" (or Berkeley DB error while opening)"
- #else
+#else
""
- #endif
+#endif
);
- close(dbblock->lockfd);
+ if (dbblock->lockfd >= 0) (void)close(dbblock->lockfd);
return NULL;
}
*************************************************/
/* Closing a file automatically unlocks it, so after closing the database, just
-close the lock file.
+close the lock file if there was one.
Argument: a pointer to an open database block
Returns: nothing
*/
-static void
-dbfn_close(open_db *dbblock)
+void
+dbfn_close(open_db * dbp)
{
-EXIM_DBCLOSE(dbblock->dbptr);
-close(dbblock->lockfd);
+exim_dbclose(dbp->dbptr);
+if (dbp->lockfd >= 0) (void) close(dbp->lockfd);
}
Arguments:
dbblock a pointer to an open database block
key the key of the record to be read
- length where to put the length (or NULL if length not wanted)
+ length where to put the length (or NULL if length not wanted). Includes overhead.
Returns: a pointer to the retrieved record, or
NULL if the record is not found
*/
-static void *
-dbfn_read_with_length(open_db *dbblock, uschar *key, int *length)
+void *
+dbfn_read_with_length(open_db * dbblock, const uschar * key, int * length)
{
-void *yield;
+void * yield;
EXIM_DATUM key_datum, result_datum;
+int klen = Ustrlen(key) + 1;
+uschar * key_copy = store_get(klen, key);
+unsigned dlen;
+
+memcpy(key_copy, key, klen);
+
+exim_datum_init(&key_datum); /* Some DBM libraries require the datum */
+exim_datum_init(&result_datum); /* to be cleared before use. */
+exim_datum_data_set(&key_datum, key_copy);
+exim_datum_size_set(&key_datum, klen);
-EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */
-EXIM_DATUM_INIT(result_datum); /* to be cleared before use. */
-EXIM_DATUM_DATA(key_datum) = CS key;
-EXIM_DATUM_SIZE(key_datum) = Ustrlen(key) + 1;
+if (!exim_dbget(dbblock->dbptr, &key_datum, &result_datum)) return NULL;
-if (!EXIM_DBGET(dbblock->dbptr, key_datum, result_datum)) return NULL;
+/* Assume for now that anything stored could have been tainted. Properly
+we should store the taint status along with the data. */
-yield = store_get(EXIM_DATUM_SIZE(result_datum));
-memcpy(yield, EXIM_DATUM_DATA(result_datum), EXIM_DATUM_SIZE(result_datum));
-if (length != NULL) *length = EXIM_DATUM_SIZE(result_datum);
+dlen = exim_datum_size_get(&result_datum);
+yield = store_get(dlen, GET_TAINTED);
+memcpy(yield, exim_datum_data_get(&result_datum), dlen);
+if (length) *length = dlen;
-EXIM_DATUM_FREE(result_datum); /* Some DBM libs require freeing */
+exim_datum_free(&result_datum); /* Some DBM libs require freeing */
return yield;
}
is dbm, the value is zero for OK.
*/
-static int
-dbfn_write(open_db *dbblock, uschar *key, void *ptr, int length)
+int
+dbfn_write(open_db *dbblock, const uschar *key, void *ptr, int length)
{
EXIM_DATUM key_datum, value_datum;
dbdata_generic *gptr = (dbdata_generic *)ptr;
+int klen = Ustrlen(key) + 1;
+uschar * key_copy = store_get(klen, key);
+
+memcpy(key_copy, key, klen);
gptr->time_stamp = time(NULL);
-EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */
-EXIM_DATUM_INIT(value_datum); /* to be cleared before use. */
-EXIM_DATUM_DATA(key_datum) = CS key;
-EXIM_DATUM_SIZE(key_datum) = Ustrlen(key) + 1;
-EXIM_DATUM_DATA(value_datum) = CS ptr;
-EXIM_DATUM_SIZE(value_datum) = length;
-return EXIM_DBPUT(dbblock->dbptr, key_datum, value_datum);
+exim_datum_init(&key_datum); /* Some DBM libraries require the datum */
+exim_datum_init(&value_datum); /* to be cleared before use. */
+exim_datum_data_set(&key_datum, key_copy);
+exim_datum_size_set(&key_datum, klen);
+exim_datum_data_set(&value_datum, ptr);
+exim_datum_size_set(&value_datum, length);
+return exim_dbput(dbblock->dbptr, &key_datum, &value_datum);
}
Returns: the yield of the underlying dbm or db "delete" function.
*/
-static int
-dbfn_delete(open_db *dbblock, uschar *key)
+int
+dbfn_delete(open_db *dbblock, const uschar *key)
{
+int klen = Ustrlen(key) + 1;
+uschar * key_copy = store_get(klen, key);
EXIM_DATUM key_datum;
-EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require clearing */
-EXIM_DATUM_DATA(key_datum) = CS key;
-EXIM_DATUM_SIZE(key_datum) = Ustrlen(key) + 1;
-return EXIM_DBDEL(dbblock->dbptr, key_datum);
+
+memcpy(key_copy, key, klen);
+exim_datum_init(&key_datum); /* Some DBM libraries require clearing */
+exim_datum_data_set(&key_datum, key_copy);
+exim_datum_size_set(&key_datum, klen);
+return exim_dbdel(dbblock->dbptr, &key_datum);
}
#endif /* EXIM_TIDYDB || EXIM_FIXDB */
cursor a pointer to a pointer to a cursor anchor, for those dbm libraries
that use the notion of a cursor
-Returns: the next record from the file, or
+Returns: the next *key* (nul-terminated) from the file, or
NULL if there are no more
*/
-static uschar *
+uschar *
dbfn_scan(open_db *dbblock, BOOL start, EXIM_CURSOR **cursor)
{
EXIM_DATUM key_datum, value_datum;
uschar *yield;
-value_datum = value_datum; /* dummy; not all db libraries use this */
/* Some dbm require an initialization */
-if (start) EXIM_DBCREATE_CURSOR(dbblock->dbptr, cursor);
+if (start) *cursor = exim_dbcreate_cursor(dbblock->dbptr);
-EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */
-EXIM_DATUM_INIT(value_datum); /* to be cleared before use. */
+exim_datum_init(&key_datum); /* Some DBM libraries require the datum */
+exim_datum_init(&value_datum); /* to be cleared before use. */
-yield = (EXIM_DBSCAN(dbblock->dbptr, key_datum, value_datum, start, *cursor))?
- US EXIM_DATUM_DATA(key_datum) : NULL;
+yield = exim_dbscan(dbblock->dbptr, &key_datum, &value_datum, start, *cursor)
+ ? US exim_datum_data_get(&key_datum) : NULL;
/* Some dbm require a termination */
-if (!yield) EXIM_DBDELETE_CURSOR(*cursor);
+if (!yield) exim_dbdelete_cursor(*cursor);
return yield;
}
#endif /* EXIM_DUMPDB || EXIM_TIDYDB */
open_db *dbm;
EXIM_CURSOR *cursor;
uschar **argv = USS cargv;
-uschar *key;
uschar keybuffer[1024];
+store_init();
+options(argc, argv, US"dumpdb", US"kz");
+
/* Check the arguments, and open the database */
-dbdata_type = check_args(argc, argv, US"dumpdb", US"");
-dbm = dbfn_open(argv[1], argv[2], O_RDONLY, &dbblock);
-if (dbm == NULL) exit(1);
+dbdata_type = check_args(argc, argv, US"dumpdb", US" [-z] [-k]");
+argc -= optind; argv += optind;
+spool_directory = argv[0];
+
+if (!(dbm = dbfn_open(argv[1], O_RDONLY, &dbblock, FALSE, TRUE)))
+ exit(EXIT_FAILURE);
/* Scan the file, formatting the information for each entry. Note
that data is returned in a malloc'ed block, in order that it be
correctly aligned. */
-key = dbfn_scan(dbm, TRUE, &cursor);
-while (key != NULL)
+for (uschar * key = dbfn_scan(dbm, TRUE, &cursor);
+ key;
+ key = dbfn_scan(dbm, FALSE, &cursor))
{
dbdata_retry *retry;
dbdata_wait *wait;
dbdata_callout_cache *callout;
+ dbdata_ratelimit *ratelimit;
+ dbdata_ratelimit_unique *rate_unique;
+ dbdata_tls_session *session;
+ dbdata_seen *seen;
int count_bad = 0;
- int i, length;
+ int length;
uschar *t;
uschar name[MESSAGE_ID_LENGTH + 1];
void *value;
+ rmark reset_point = store_mark();
/* Keep a copy of the key separate, as in some DBM's the pointer is into data
which might change. */
return 1;
}
Ustrcpy(keybuffer, key);
- value = dbfn_read_with_length(dbm, keybuffer, &length);
- if (value == NULL)
+ if (keyonly)
+ printf(" %s\n", keybuffer);
+ else if (!(value = dbfn_read_with_length(dbm, keybuffer, &length)))
fprintf(stderr, "**** Entry \"%s\" was in the key scan, but the record "
"was not found in the file - something is wrong!\n",
CS keybuffer);
else
- {
/* Note: don't use print_time more than once in one statement, since
it uses a single buffer. */
switch(dbdata_type)
{
case type_retry:
- retry = (dbdata_retry *)value;
- printf(" %s %d %d %s\n%s ", keybuffer, retry->basic_errno,
- retry->more_errno, retry->text,
- print_time(retry->first_failed));
- printf("%s ", print_time(retry->last_try));
- printf("%s %s\n", print_time(retry->next_try),
- (retry->expired)? "*" : "");
- break;
+ retry = (dbdata_retry *)value;
+ printf(" %s %d %d %s\n%s ", keybuffer, retry->basic_errno,
+ retry->more_errno, retry->text,
+ print_time(retry->first_failed));
+ printf("%s ", print_time(retry->last_try));
+ printf("%s %s\n", print_time(retry->next_try),
+ retry->expired ? "*" : "");
+ break;
case type_wait:
- wait = (dbdata_wait *)value;
- printf("%s ", keybuffer);
- t = wait->text;
- name[MESSAGE_ID_LENGTH] = 0;
+ wait = (dbdata_wait *)value;
+ printf("%s ", keybuffer);
+ t = wait->text;
+ name[MESSAGE_ID_LENGTH] = 0;
- if (wait->count > WAIT_NAME_MAX)
- {
- fprintf(stderr,
- "**** Data for %s corrupted\n count=%d=0x%x max=%d\n",
- CS keybuffer, wait->count, wait->count, WAIT_NAME_MAX);
- wait->count = WAIT_NAME_MAX;
- yield = count_bad = 1;
- }
- for (i = 1; i <= wait->count; i++)
- {
- Ustrncpy(name, t, MESSAGE_ID_LENGTH);
- if (count_bad && name[0] == 0) break;
- if (Ustrlen(name) != MESSAGE_ID_LENGTH ||
- Ustrspn(name, "0123456789"
- "abcdefghijklmnopqrstuvwxyz"
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ-") != MESSAGE_ID_LENGTH)
- {
- int j;
- fprintf(stderr,
- "**** Data for %s corrupted: bad character in message id\n",
- CS keybuffer);
- for (j = 0; j < MESSAGE_ID_LENGTH; j++)
- fprintf(stderr, "%02x ", name[j]);
- fprintf(stderr, "\n");
- yield = 1;
- break;
- }
- printf("%s ", name);
- t += MESSAGE_ID_LENGTH;
- }
- printf("\n");
- break;
+ /* Leave corrupt records alone */
+ if (wait->count > WAIT_NAME_MAX)
+ {
+ fprintf(stderr,
+ "**** Data for %s corrupted\n count=%d=0x%x max=%d\n",
+ CS keybuffer, wait->count, wait->count, WAIT_NAME_MAX);
+ wait->count = WAIT_NAME_MAX;
+ yield = count_bad = 1;
+ }
+ for (int i = 1; i <= wait->count; i++)
+ {
+ Ustrncpy(name, t, MESSAGE_ID_LENGTH);
+ if (count_bad && name[0] == 0) break;
+ if (Ustrlen(name) != MESSAGE_ID_LENGTH ||
+ Ustrspn(name, "0123456789"
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ-") != MESSAGE_ID_LENGTH)
+ {
+ fprintf(stderr,
+ "**** Data for %s corrupted: bad character in message id\n",
+ CS keybuffer);
+ for (int j = 0; j < MESSAGE_ID_LENGTH; j++)
+ fprintf(stderr, "%02x ", name[j]);
+ fprintf(stderr, "\n");
+ yield = 1;
+ break;
+ }
+ printf("%s ", name);
+ t += MESSAGE_ID_LENGTH;
+ }
+ printf("\n");
+ break;
case type_misc:
- printf("%s %s\n", print_time(((dbdata_generic *)value)->time_stamp),
- keybuffer);
- break;
+ printf("%s %s\n", print_time(((dbdata_generic *)value)->time_stamp),
+ keybuffer);
+ break;
case type_callout:
- callout = (dbdata_callout_cache *)value;
-
- /* New-style address record */
-
- if (length == sizeof(dbdata_callout_cache_address))
- {
- printf("%s %s callout=%s\n",
- print_time(((dbdata_generic *)value)->time_stamp),
- keybuffer,
- print_cache(callout->result));
- }
-
- /* New-style domain record */
-
- else if (length == sizeof(dbdata_callout_cache))
- {
- printf("%s %s callout=%s postmaster=%s",
- print_time(((dbdata_generic *)value)->time_stamp),
- keybuffer,
- print_cache(callout->result),
- print_cache(callout->postmaster_result));
- if (callout->postmaster_result != ccache_unknown)
- printf(" (%s)", print_time(callout->postmaster_stamp));
- printf(" random=%s", print_cache(callout->random_result));
- if (callout->random_result != ccache_unknown)
- printf(" (%s)", print_time(callout->random_stamp));
- printf("\n");
- }
-
- /* Old-style domain record, without separate timestamps. This code can
- eventually be thrown away, say in 5 years' time (it's now Feb 2003). */
-
- else
- {
- printf("%s %s callout=%s postmaster=%s random=%s\n",
- print_time(((dbdata_generic *)value)->time_stamp),
- keybuffer,
- print_cache(callout->result),
- print_cache(callout->postmaster_result),
- print_cache(callout->random_result));
- }
-
- break;
+ callout = (dbdata_callout_cache *)value;
+
+ /* New-style address record */
+
+ if (length == sizeof(dbdata_callout_cache_address))
+ {
+ printf("%s %s callout=%s\n",
+ print_time(((dbdata_generic *)value)->time_stamp),
+ keybuffer,
+ print_cache(callout->result));
+ }
+
+ /* New-style domain record */
+
+ else if (length == sizeof(dbdata_callout_cache))
+ {
+ printf("%s %s callout=%s postmaster=%s",
+ print_time(((dbdata_generic *)value)->time_stamp),
+ keybuffer,
+ print_cache(callout->result),
+ print_cache(callout->postmaster_result));
+ if (callout->postmaster_result != ccache_unknown)
+ printf(" (%s)", print_time(callout->postmaster_stamp));
+ printf(" random=%s", print_cache(callout->random_result));
+ if (callout->random_result != ccache_unknown)
+ printf(" (%s)", print_time(callout->random_stamp));
+ printf("\n");
+ }
+
+ break;
+
+ case type_ratelimit:
+ if (Ustrstr(key, "/unique/") != NULL && length >= sizeof(*rate_unique))
+ {
+ ratelimit = (dbdata_ratelimit *)value;
+ rate_unique = (dbdata_ratelimit_unique *)value;
+ printf("%s.%06d rate: %10.3f epoch: %s size: %u key: %s\n",
+ print_time(ratelimit->time_stamp),
+ ratelimit->time_usec, ratelimit->rate,
+ print_time(rate_unique->bloom_epoch), rate_unique->bloom_size,
+ keybuffer);
+ }
+ else
+ {
+ ratelimit = (dbdata_ratelimit *)value;
+ printf("%s.%06d rate: %10.3f key: %s\n",
+ print_time(ratelimit->time_stamp),
+ ratelimit->time_usec, ratelimit->rate,
+ keybuffer);
+ }
+ break;
+
+ case type_tls:
+ session = (dbdata_tls_session *)value;
+ printf(" %s %.*s\n", keybuffer, length, session->session);
+ break;
+
+ case type_seen:
+ seen = (dbdata_seen *)value;
+ printf("%s\t%s\n", keybuffer, print_time(seen->time_stamp));
+ break;
}
- store_reset(value);
- }
- key = dbfn_scan(dbm, FALSE, &cursor);
+ store_reset(reset_point);
}
dbfn_close(dbm);
is re-used. */
-int main(int argc, char **cargv)
+int
+main(int argc, char **cargv)
{
int dbdata_type;
uschar **argv = USS cargv;
uschar buffer[256];
uschar name[256];
-void *reset_point = store_get(0);
+rmark reset_point;
+uschar * aname;
+store_init();
+options(argc, argv, US"fixdb", US"z");
name[0] = 0; /* No name set */
/* Sort out the database type, verify what we are working on and then process
user requests */
-dbdata_type = check_args(argc, argv, US"fixdb", US"");
-printf("Modifying Exim hints database %s/db/%s\n", argv[1], argv[2]);
+dbdata_type = check_args(argc, argv, US"fixdb", US" [-z]");
+argc -= optind; argv += optind;
+spool_directory = argv[0];
+aname = argv[1];
+
+printf("Modifying Exim hints database %s/db/%s\n", spool_directory, aname);
-for(;;)
+for(; (reset_point = store_mark()); store_reset(reset_point))
{
open_db dbblock;
open_db *dbm;
dbdata_retry *retry;
dbdata_wait *wait;
dbdata_callout_cache *callout;
- int i, oldlength;
+ dbdata_ratelimit *ratelimit;
+ dbdata_ratelimit_unique *rate_unique;
+ dbdata_tls_session *session;
+ int oldlength;
uschar *t;
uschar field[256], value[256];
- store_reset(reset_point);
-
printf("> ");
if (Ufgets(buffer, 256, stdin) == NULL) break;
/* If the buffer contains just one digit, or just consists of "d", use the
previous name for an update. */
- if ((isdigit((uschar)buffer[0]) && !isdigit((uschar)buffer[1])) ||
- Ustrcmp(buffer, "d") == 0)
+ if ((isdigit((uschar)buffer[0]) && (buffer[1] == ' ' || buffer[1] == '\0'))
+ || Ustrcmp(buffer, "d") == 0)
{
if (name[0] == 0)
{
printf("No previous record name is set\n");
continue;
}
- sscanf(CS buffer, "%s %s", field, value);
+ (void)sscanf(CS buffer, "%s %s", field, value);
}
else
{
name[0] = 0;
- sscanf(CS buffer, "%s %s %s", name, field, value);
+ (void)sscanf(CS buffer, "%s %s %s", name, field, value);
}
/* Handle an update request */
if (field[0] != 0)
{
int verify = 1;
- dbm = dbfn_open(argv[1], argv[2], O_RDWR, &dbblock);
- if (dbm == NULL) continue;
+
+ if (!(dbm = dbfn_open(aname, O_RDWR, &dbblock, FALSE, TRUE)))
+ continue;
if (Ustrcmp(field, "d") == 0)
{
if (record == NULL) printf("not found\n"); else
{
time_t tt;
- int length = 0; /* Stops compiler warning */
+ /*int length = 0; Stops compiler warning */
switch(dbdata_type)
{
case type_retry:
- retry = (dbdata_retry *)record;
- length = sizeof(dbdata_retry) + Ustrlen(retry->text);
-
- switch(fieldno)
- {
- case 0:
- retry->basic_errno = Uatoi(value);
- break;
-
- case 1:
- retry->more_errno = Uatoi(value);
- break;
-
- case 2:
- if ((tt = read_time(value)) > 0) retry->first_failed = tt;
- else printf("bad time value\n");
- break;
-
- case 3:
- if ((tt = read_time(value)) > 0) retry->last_try = tt;
- else printf("bad time value\n");
- break;
-
- case 4:
- if ((tt = read_time(value)) > 0) retry->next_try = tt;
- else printf("bad time value\n");
- break;
-
- case 5:
- if (Ustrcmp(value, "yes") == 0) retry->expired = TRUE;
- else if (Ustrcmp(value, "no") == 0) retry->expired = FALSE;
- else printf("\"yes\" or \"no\" expected=n");
- break;
-
- default:
- printf("unknown field number\n");
- verify = 0;
- break;
- }
- break;
+ retry = (dbdata_retry *)record;
+ /* length = sizeof(dbdata_retry) + Ustrlen(retry->text); */
+
+ switch(fieldno)
+ {
+ case 0: retry->basic_errno = Uatoi(value);
+ break;
+ case 1: retry->more_errno = Uatoi(value);
+ break;
+ case 2: if ((tt = read_time(value)) > 0) retry->first_failed = tt;
+ else printf("bad time value\n");
+ break;
+ case 3: if ((tt = read_time(value)) > 0) retry->last_try = tt;
+ else printf("bad time value\n");
+ break;
+ case 4: if ((tt = read_time(value)) > 0) retry->next_try = tt;
+ else printf("bad time value\n");
+ break;
+ case 5: if (Ustrcmp(value, "yes") == 0) retry->expired = TRUE;
+ else if (Ustrcmp(value, "no") == 0) retry->expired = FALSE;
+ else printf("\"yes\" or \"no\" expected=n");
+ break;
+ default: printf("unknown field number\n");
+ verify = 0;
+ break;
+ }
+ break;
case type_wait:
- printf("Can't change contents of wait database record\n");
- break;
+ printf("Can't change contents of wait database record\n");
+ break;
case type_misc:
- printf("Can't change contents of misc database record\n");
- break;
+ printf("Can't change contents of misc database record\n");
+ break;
case type_callout:
- callout = (dbdata_callout_cache *)record;
- length = sizeof(dbdata_callout_cache);
- switch(fieldno)
- {
- case 0:
- callout->result = Uatoi(value);
- break;
-
- case 1:
- callout->postmaster_result = Uatoi(value);
- break;
-
- case 2:
- callout->random_result = Uatoi(value);
- break;
-
- default:
- printf("unknown field number\n");
- verify = 0;
- break;
- }
- break;
+ callout = (dbdata_callout_cache *)record;
+ /* length = sizeof(dbdata_callout_cache); */
+ switch(fieldno)
+ {
+ case 0: callout->result = Uatoi(value);
+ break;
+ case 1: callout->postmaster_result = Uatoi(value);
+ break;
+ case 2: callout->random_result = Uatoi(value);
+ break;
+ default: printf("unknown field number\n");
+ verify = 0;
+ break;
+ }
+ break;
+
+ case type_ratelimit:
+ ratelimit = (dbdata_ratelimit *)record;
+ switch(fieldno)
+ {
+ case 0: if ((tt = read_time(value)) > 0) ratelimit->time_stamp = tt;
+ else printf("bad time value\n");
+ break;
+ case 1: ratelimit->time_usec = Uatoi(value);
+ break;
+ case 2: ratelimit->rate = Ustrtod(value, NULL);
+ break;
+ case 3: if (Ustrstr(name, "/unique/") != NULL
+ && oldlength >= sizeof(dbdata_ratelimit_unique))
+ {
+ rate_unique = (dbdata_ratelimit_unique *)record;
+ if ((tt = read_time(value)) > 0) rate_unique->bloom_epoch = tt;
+ else printf("bad time value\n");
+ break;
+ }
+ /* else fall through */
+ case 4:
+ case 5: if (Ustrstr(name, "/unique/") != NULL
+ && oldlength >= sizeof(dbdata_ratelimit_unique))
+ {
+ /* see acl.c */
+ BOOL seen;
+ unsigned hash, hinc;
+ uschar md5sum[16];
+ md5 md5info;
+ md5_start(&md5info);
+ md5_end(&md5info, value, Ustrlen(value), md5sum);
+ hash = md5sum[0] << 0 | md5sum[1] << 8
+ | md5sum[2] << 16 | md5sum[3] << 24;
+ hinc = md5sum[4] << 0 | md5sum[5] << 8
+ | md5sum[6] << 16 | md5sum[7] << 24;
+ rate_unique = (dbdata_ratelimit_unique *)record;
+ seen = TRUE;
+ for (unsigned n = 0; n < 8; n++, hash += hinc)
+ {
+ int bit = 1 << (hash % 8);
+ int byte = (hash / 8) % rate_unique->bloom_size;
+ if ((rate_unique->bloom[byte] & bit) == 0)
+ {
+ seen = FALSE;
+ if (fieldno == 5) rate_unique->bloom[byte] |= bit;
+ }
+ }
+ printf("%s %s\n",
+ seen ? "seen" : fieldno == 5 ? "added" : "unseen", value);
+ break;
+ }
+ /* else fall through */
+ default: printf("unknown field number\n");
+ verify = 0;
+ break;
+ }
+ break;
+
+ case type_tls:
+ printf("Can't change contents of tls database record\n");
+ break;
}
- dbfn_write(dbm, name, record, length);
+ dbfn_write(dbm, name, record, oldlength);
}
}
}
/* Handle a read request, or verify after an update. */
- dbm = dbfn_open(argv[1], argv[2], O_RDONLY, &dbblock);
- if (dbm == NULL) continue;
+ if (!(dbm = dbfn_open(aname, O_RDONLY, &dbblock, FALSE, TRUE)))
+ continue;
- record = dbfn_read_with_length(dbm, name, &oldlength);
- if (record == NULL)
+ if (!(record = dbfn_read_with_length(dbm, name, &oldlength)))
{
printf("record %s not found\n", name);
name[0] = 0;
switch(dbdata_type)
{
case type_retry:
- retry = (dbdata_retry *)record;
- printf("0 error number: %d %s\n", retry->basic_errno, retry->text);
- printf("1 extra data: %d\n", retry->more_errno);
- printf("2 first failed: %s\n", print_time(retry->first_failed));
- printf("3 last try: %s\n", print_time(retry->last_try));
- printf("4 next try: %s\n", print_time(retry->next_try));
- printf("5 expired: %s\n", (retry->expired)? "yes" : "no");
- break;
+ retry = (dbdata_retry *)record;
+ printf("0 error number: %d %s\n", retry->basic_errno, retry->text);
+ printf("1 extra data: %d\n", retry->more_errno);
+ printf("2 first failed: %s\n", print_time(retry->first_failed));
+ printf("3 last try: %s\n", print_time(retry->last_try));
+ printf("4 next try: %s\n", print_time(retry->next_try));
+ printf("5 expired: %s\n", (retry->expired)? "yes" : "no");
+ break;
case type_wait:
- wait = (dbdata_wait *)record;
- t = wait->text;
- printf("Sequence: %d\n", wait->sequence);
- if (wait->count > WAIT_NAME_MAX)
- {
- printf("**** Data corrupted: count=%d=0x%x max=%d ****\n", wait->count,
- wait->count, WAIT_NAME_MAX);
- wait->count = WAIT_NAME_MAX;
- count_bad = 1;
- }
- for (i = 1; i <= wait->count; i++)
- {
- Ustrncpy(value, t, MESSAGE_ID_LENGTH);
- value[MESSAGE_ID_LENGTH] = 0;
- if (count_bad && value[0] == 0) break;
- if (Ustrlen(value) != MESSAGE_ID_LENGTH ||
- Ustrspn(value, "0123456789"
- "abcdefghijklmnopqrstuvwxyz"
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ-") != MESSAGE_ID_LENGTH)
- {
- int j;
- printf("\n**** Data corrupted: bad character in message id ****\n");
- for (j = 0; j < MESSAGE_ID_LENGTH; j++)
- printf("%02x ", value[j]);
- printf("\n");
- break;
- }
- printf("%s ", value);
- t += MESSAGE_ID_LENGTH;
- }
- printf("\n");
- break;
+ wait = (dbdata_wait *)record;
+ t = wait->text;
+ printf("Sequence: %d\n", wait->sequence);
+ if (wait->count > WAIT_NAME_MAX)
+ {
+ printf("**** Data corrupted: count=%d=0x%x max=%d ****\n", wait->count,
+ wait->count, WAIT_NAME_MAX);
+ wait->count = WAIT_NAME_MAX;
+ count_bad = 1;
+ }
+ for (int i = 1; i <= wait->count; i++)
+ {
+ Ustrncpy(value, t, MESSAGE_ID_LENGTH);
+ value[MESSAGE_ID_LENGTH] = 0;
+ if (count_bad && value[0] == 0) break;
+ if (Ustrlen(value) != MESSAGE_ID_LENGTH ||
+ Ustrspn(value, "0123456789"
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ-") != MESSAGE_ID_LENGTH)
+ {
+ printf("\n**** Data corrupted: bad character in message id ****\n");
+ for (int j = 0; j < MESSAGE_ID_LENGTH; j++)
+ printf("%02x ", value[j]);
+ printf("\n");
+ break;
+ }
+ printf("%s ", value);
+ t += MESSAGE_ID_LENGTH;
+ }
+ printf("\n");
+ break;
case type_misc:
- break;
+ break;
case type_callout:
- callout = (dbdata_callout_cache *)record;
- printf("0 callout: %s (%d)\n", print_cache(callout->result),
- callout->result);
- if (oldlength > sizeof(dbdata_callout_cache_address))
- {
- printf("1 postmaster: %s (%d)\n", print_cache(callout->postmaster_result),
- callout->postmaster_result);
- printf("2 random: %s (%d)\n", print_cache(callout->random_result),
- callout->random_result);
- }
- break;
+ callout = (dbdata_callout_cache *)record;
+ printf("0 callout: %s (%d)\n", print_cache(callout->result),
+ callout->result);
+ if (oldlength > sizeof(dbdata_callout_cache_address))
+ {
+ printf("1 postmaster: %s (%d)\n", print_cache(callout->postmaster_result),
+ callout->postmaster_result);
+ printf("2 random: %s (%d)\n", print_cache(callout->random_result),
+ callout->random_result);
+ }
+ break;
+
+ case type_ratelimit:
+ ratelimit = (dbdata_ratelimit *)record;
+ printf("0 time stamp: %s\n", print_time(ratelimit->time_stamp));
+ printf("1 fract. time: .%06d\n", ratelimit->time_usec);
+ printf("2 sender rate: % .3f\n", ratelimit->rate);
+ if (Ustrstr(name, "/unique/") != NULL
+ && oldlength >= sizeof(dbdata_ratelimit_unique))
+ {
+ rate_unique = (dbdata_ratelimit_unique *)record;
+ printf("3 filter epoch: %s\n", print_time(rate_unique->bloom_epoch));
+ printf("4 test filter membership\n");
+ printf("5 add element to filter\n");
+ }
+ break;
+
+ case type_tls:
+ session = (dbdata_tls_session *)value;
+ printf("0 time stamp: %s\n", print_time(session->time_stamp));
+ printf("1 session: .%s\n", session->session);
+ break;
}
}
} key_item;
-int main(int argc, char **cargv)
+int
+main(int argc, char **cargv)
{
struct stat statbuf;
int maxkeep = 30 * 24 * 60 * 60;
int dbdata_type, i, oldest, path_len;
key_item *keychain = NULL;
-void *reset_point;
+rmark reset_point;
open_db dbblock;
open_db *dbm;
EXIM_CURSOR *cursor;
uschar buffer[256];
uschar *key;
+store_init();
+
/* Scan the options */
for (i = 1; i < argc; i++)
oldest = time(NULL) - maxkeep;
printf("Tidying Exim hints database %s/db/%s\n", argv[1], argv[2]);
-dbm = dbfn_open(argv[1], argv[2], O_RDWR, &dbblock);
-if (dbm == NULL) exit(1);
+spool_directory = argv[1];
+if (!(dbm = dbfn_open(argv[2], O_RDWR, &dbblock, FALSE, TRUE)))
+ exit(EXIT_FAILURE);
/* Prepare for building file names */
Therefore, we scan and build a list of all the keys. Then we use that to
read the records and possibly update them. */
-key = dbfn_scan(dbm, TRUE, &cursor);
-while (key != NULL)
+for (key = dbfn_scan(dbm, TRUE, &cursor);
+ key;
+ key = dbfn_scan(dbm, FALSE, &cursor))
{
- key_item *k = store_get(sizeof(key_item) + Ustrlen(key));
+ key_item * k = store_get(sizeof(key_item) + Ustrlen(key), key);
k->next = keychain;
keychain = k;
Ustrcpy(k->key, key);
- key = dbfn_scan(dbm, FALSE, &cursor);
}
/* Now scan the collected keys and operate on the records, resetting
the store each time round. */
-reset_point = store_get(0);
-
-while (keychain != NULL)
+for (; keychain && (reset_point = store_mark()); store_reset(reset_point))
{
dbdata_generic *value;
- store_reset(reset_point);
key = keychain->key;
keychain = keychain->next;
value = dbfn_read_with_length(dbm, key, NULL);
/* A continuation record may have been deleted or renamed already, so
non-existence is not serious. */
- if (value == NULL) continue;
+ if (!value) continue;
/* Delete if too old */
/* Leave corrupt records alone */
+ if (wait->time_stamp > time(NULL))
+ {
+ printf("**** Data for '%s' corrupted\n time in future: %s\n",
+ key, print_time(((dbdata_generic *)value)->time_stamp));
+ continue;
+ }
if (wait->count > WAIT_NAME_MAX)
{
- printf("**** Data for %s corrupted\n count=%d=0x%x max=%d\n",
+ printf("**** Data for '%s' corrupted\n count=%d=0x%x max=%d\n",
key, wait->count, wait->count, WAIT_NAME_MAX);
continue;
}
+ if (wait->sequence > WAIT_CONT_MAX)
+ {
+ printf("**** Data for '%s' corrupted\n sequence=%d=0x%x max=%d\n",
+ key, wait->sequence, wait->sequence, WAIT_CONT_MAX);
+ continue;
+ }
+
+ /* Record over 1 year old; just remove it */
+
+ if (wait->time_stamp < time(NULL) - 365*24*60*60)
+ {
+ dbfn_delete(dbm, key);
+ printf("deleted %s (too old)\n", key);
+ continue;
+ }
/* Loop for renamed continuation records. For each message id,
check to see if the message exists, and if not, remove its entry
for (;;)
{
- int offset;
int length = wait->count * MESSAGE_ID_LENGTH;
- for (offset = length - MESSAGE_ID_LENGTH;
+ for (int offset = length - MESSAGE_ID_LENGTH;
offset >= 0; offset -= MESSAGE_ID_LENGTH)
{
Ustrncpy(buffer+path_len, wait->text + offset, MESSAGE_ID_LENGTH);
if (*id++ != ':') continue;
for (i = 0; i < MESSAGE_ID_LENGTH; i++)
- {
if (i == 6 || i == 13)
{ if (id[i] != '-') break; }
else
{ if (!isalnum(id[i])) break; }
- }
if (i < MESSAGE_ID_LENGTH) continue;
Ustrncpy(buffer + path_len, id, MESSAGE_ID_LENGTH);
#endif /* EXIM_TIDYDB */
/* End of exim_dbutil.c */
+/* vi: aw ai sw=2
+*/
git://git.exim.org / exim.git / blobdiff