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doveadm-dict.c
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doveadm-dict.c
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/* Copyright (c) 2014-2017 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "dict.h"
#include "doveadm.h"
#include "doveadm-print.h"
#include <stdio.h>
#include <unistd.h>
static void dict_cmd_help(doveadm_command_t *cmd);
static int
cmd_dict_init_full(int *argc, char **argv[], int own_arg_count, int key_arg_idx,
doveadm_command_t *cmd, enum dict_iterate_flags *iter_flags,
struct dict **dict_r)
{
const char *getopt_args = iter_flags == NULL ? "u:" : "1Ru:V";
struct dict_settings dict_set;
struct dict *dict;
const char *dict_uri, *error, *username = "";
int c;
while ((c = getopt(*argc, *argv, getopt_args)) > 0) {
switch (c) {
case '1':
i_assert(iter_flags != NULL);
*iter_flags |= DICT_ITERATE_FLAG_EXACT_KEY;
break;
case 'R':
i_assert(iter_flags != NULL);
*iter_flags |= DICT_ITERATE_FLAG_RECURSE;
break;
case 'V':
i_assert(iter_flags != NULL);
*iter_flags |= DICT_ITERATE_FLAG_NO_VALUE;
break;
case 'u':
username = optarg;
break;
default:
dict_cmd_help(cmd);
}
}
*argc -= optind;
*argv += optind;
if (*argc != 1 + own_arg_count)
dict_cmd_help(cmd);
dict_uri = (*argv)[0];
*argc += 1;
*argv += 1;
if (key_arg_idx >= 0) {
const char *key = (*argv)[key_arg_idx];
if (strncmp(key, DICT_PATH_PRIVATE, strlen(DICT_PATH_PRIVATE)) != 0 &&
strncmp(key, DICT_PATH_SHARED, strlen(DICT_PATH_SHARED)) != 0) {
i_error("Key must begin with '"DICT_PATH_PRIVATE
"' or '"DICT_PATH_SHARED"': %s", key);
doveadm_exit_code = EX_USAGE;
return -1;
}
if (username[0] == '\0' &&
strncmp(key, DICT_PATH_PRIVATE, strlen(DICT_PATH_PRIVATE)) == 0) {
i_error("-u must be specified for "DICT_PATH_PRIVATE" keys");
doveadm_exit_code = EX_USAGE;
return -1;
}
}
dict_drivers_register_builtin();
i_zero(&dict_set);
dict_set.username = username;
dict_set.base_dir = doveadm_settings->base_dir;
if (dict_init(dict_uri, &dict_set, &dict, &error) < 0) {
i_error("dict_init(%s) failed: %s", dict_uri, error);
doveadm_exit_code = EX_TEMPFAIL;
return -1;
}
*dict_r = dict;
return 0;
}
static int
cmd_dict_init(int *argc, char **argv[],
int own_arg_count, int key_arg_idx,
doveadm_command_t *cmd, struct dict **dict_r)
{
return cmd_dict_init_full(argc, argv, own_arg_count,
key_arg_idx, cmd, NULL, dict_r);
}
struct doveadm_dict_ctx {
pool_t pool;
int ret;
const char *const *values;
const char *error;
};
static void dict_lookup_callback(const struct dict_lookup_result *result,
void *context)
{
struct doveadm_dict_ctx *ctx = context;
ctx->ret = result->ret;
ctx->values = result->values == NULL ? NULL :
p_strarray_dup(ctx->pool, result->values);
ctx->error = p_strdup(ctx->pool, result->error);
}
static void cmd_dict_get(int argc, char *argv[])
{
struct doveadm_dict_ctx ctx;
struct dict *dict;
if (cmd_dict_init(&argc, &argv, 1, 0, cmd_dict_get, &dict) < 0)
return;
doveadm_print_init(DOVEADM_PRINT_TYPE_TABLE);
doveadm_print_header("value", "", DOVEADM_PRINT_HEADER_FLAG_HIDE_TITLE);
i_zero(&ctx);
ctx.pool = pool_alloconly_create("doveadm dict lookup", 512);
ctx.ret = -2;
dict_lookup_async(dict, argv[0], dict_lookup_callback, &ctx);
while (ctx.ret == -2)
dict_wait(dict);
if (ctx.ret < 0) {
i_error("dict_lookup(%s) failed: %s", argv[0], ctx.error);
doveadm_exit_code = EX_TEMPFAIL;
} else if (ctx.ret == 0) {
i_error("%s doesn't exist", argv[0]);
doveadm_exit_code = DOVEADM_EX_NOTFOUND;
} else {
unsigned int i, values_count = str_array_length(ctx.values);
for (i = 1; i < values_count; i++)
doveadm_print_header("value", "", DOVEADM_PRINT_HEADER_FLAG_HIDE_TITLE);
for (i = 0; i < values_count; i++)
doveadm_print(ctx.values[i]);
}
pool_unref(&ctx.pool);
dict_deinit(&dict);
}
static void cmd_dict_set(int argc, char *argv[])
{
struct dict *dict;
struct dict_transaction_context *trans;
const char *error;
if (cmd_dict_init(&argc, &argv, 2, 0, cmd_dict_set, &dict) < 0)
return;
trans = dict_transaction_begin(dict);
dict_set(trans, argv[0], argv[1]);
if (dict_transaction_commit(&trans, &error) <= 0) {
i_error("dict_transaction_commit() failed: %s", error);
doveadm_exit_code = EX_TEMPFAIL;
}
dict_deinit(&dict);
}
static void cmd_dict_unset(int argc, char *argv[])
{
struct dict *dict;
struct dict_transaction_context *trans;
const char *error;
if (cmd_dict_init(&argc, &argv, 1, 0, cmd_dict_unset, &dict) < 0)
return;
trans = dict_transaction_begin(dict);
dict_unset(trans, argv[0]);
if (dict_transaction_commit(&trans, &error) <= 0) {
i_error("dict_transaction_commit() failed: %s", error);
doveadm_exit_code = EX_TEMPFAIL;
}
dict_deinit(&dict);
}
static void cmd_dict_inc(int argc, char *argv[])
{
struct dict *dict;
struct dict_transaction_context *trans;
const char *error;
long long diff;
int ret;
if (cmd_dict_init(&argc, &argv, 2, 0, cmd_dict_inc, &dict) < 0)
return;
if (str_to_llong(argv[1], &diff) < 0) {
i_error("Invalid diff: %s", argv[1]);
doveadm_exit_code = EX_USAGE;
dict_deinit(&dict);
return;
}
trans = dict_transaction_begin(dict);
dict_atomic_inc(trans, argv[0], diff);
ret = dict_transaction_commit(&trans, &error);
if (ret < 0) {
i_error("dict_transaction_commit() failed: %s", error);
doveadm_exit_code = EX_TEMPFAIL;
} else if (ret == 0) {
i_error("%s doesn't exist", argv[0]);
doveadm_exit_code = DOVEADM_EX_NOTFOUND;
}
dict_deinit(&dict);
}
static void cmd_dict_iter(int argc, char *argv[])
{
struct dict *dict;
struct dict_iterate_context *iter;
enum dict_iterate_flags iter_flags = 0;
const char *key, *value, *error;
if (cmd_dict_init_full(&argc, &argv, 1, 0, cmd_dict_iter, &iter_flags, &dict) < 0)
return;
doveadm_print_init(DOVEADM_PRINT_TYPE_TAB);
doveadm_print_header_simple("key");
if ((iter_flags & DICT_ITERATE_FLAG_NO_VALUE) == 0)
doveadm_print_header_simple("value");
iter = dict_iterate_init(dict, argv[0], iter_flags);
while (dict_iterate(iter, &key, &value)) {
doveadm_print(key);
if ((iter_flags & DICT_ITERATE_FLAG_NO_VALUE) == 0)
doveadm_print(value);
}
if (dict_iterate_deinit(&iter, &error) < 0) {
i_error("dict_iterate_deinit(%s) failed: %s", argv[0], error);
doveadm_exit_code = EX_TEMPFAIL;
}
dict_deinit(&dict);
}
static struct doveadm_cmd_ver2 doveadm_cmd_dict[] = {
{
.name = "dict get",
.old_cmd = cmd_dict_get,
.usage = "[-u <user>] <dict uri> <key>",
DOVEADM_CMD_PARAMS_START
DOVEADM_CMD_PARAM('u', "user", CMD_PARAM_STR, 0)
DOVEADM_CMD_PARAM('\0', "dict-uri", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAM('\0', "key", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAMS_END
},
{
.name = "dict set",
.old_cmd = cmd_dict_set,
.usage = "[-u <user>] <dict uri> <key> <value>",
DOVEADM_CMD_PARAMS_START
DOVEADM_CMD_PARAM('u', "user", CMD_PARAM_STR, 0)
DOVEADM_CMD_PARAM('\0', "dict-uri", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAM('\0', "key", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAM('\0', "value", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAMS_END
},
{
.name = "dict unset",
.old_cmd = cmd_dict_unset,
.usage = "[-u <user>] <dict uri> <key>",
DOVEADM_CMD_PARAMS_START
DOVEADM_CMD_PARAM('u', "user", CMD_PARAM_STR, 0)
DOVEADM_CMD_PARAM('\0', "dict-uri", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAM('\0', "key", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAMS_END
},
{
.name = "dict inc",
.old_cmd = cmd_dict_inc,
.usage = "[-u <user>] <dict uri> <key> <diff>",
DOVEADM_CMD_PARAMS_START
DOVEADM_CMD_PARAM('u', "user", CMD_PARAM_STR, 0)
DOVEADM_CMD_PARAM('\0', "dict-uri", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAM('\0', "key", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAM('\0', "difference", CMD_PARAM_INT64, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAMS_END
},
{
.name = "dict iter",
.old_cmd = cmd_dict_iter,
.usage = "[-u <user>] [-1RV] <dict uri> <prefix>",
DOVEADM_CMD_PARAMS_START
DOVEADM_CMD_PARAM('u', "user", CMD_PARAM_STR, 0)
DOVEADM_CMD_PARAM('1', "exact", CMD_PARAM_BOOL, 0)
DOVEADM_CMD_PARAM('R', "recurse", CMD_PARAM_BOOL, 0)
DOVEADM_CMD_PARAM('V', "no-value", CMD_PARAM_BOOL, 0)
DOVEADM_CMD_PARAM('\0', "dict-uri", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAM('\0', "prefix", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAMS_END
}
};
static void dict_cmd_help(doveadm_command_t *cmd)
{
unsigned int i;
for (i = 0; i < N_ELEMENTS(doveadm_cmd_dict); i++) {
if (doveadm_cmd_dict[i].old_cmd == cmd)
help_ver2(&doveadm_cmd_dict[i]);
}
i_unreached();
}
void doveadm_register_dict_commands(void)
{
unsigned int i;
for (i = 0; i < N_ELEMENTS(doveadm_cmd_dict); i++)
doveadm_cmd_register_ver2(&doveadm_cmd_dict[i]);
}