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/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "array.h"
#include "net.h"
#include "time-util.h"
#include "master-service.h"
#include "module-dir.h"
#include "doveadm-settings.h"
#include "doveadm-mail.h"
#include "doveadm-util.h"
#include <time.h>
#include <dirent.h>
#include <sys/stat.h>
#include <ctype.h>
#define DOVEADM_TCP_CONNECT_TIMEOUT_SECS 30
bool doveadm_verbose = FALSE, doveadm_debug = FALSE, doveadm_server = FALSE;
static struct module *modules = NULL;
void doveadm_load_modules(void)
{
struct module_dir_load_settings mod_set;
/* some doveadm plugins have dependencies to mail plugins. we can load
only those whose dependencies have been loaded earlier, the rest are
ignored. */
i_zero(&mod_set);
mod_set.abi_version = DOVECOT_ABI_VERSION;
mod_set.require_init_funcs = TRUE;
mod_set.debug = doveadm_debug;
mod_set.ignore_dlopen_errors = TRUE;
modules = module_dir_load_missing(modules, DOVEADM_MODULEDIR,
NULL, &mod_set);
module_dir_init(modules);
}
void doveadm_unload_modules(void)
{
module_dir_unload(&modules);
}
bool doveadm_has_unloaded_plugin(const char *name)
{
struct module *module;
DIR *dir;
struct dirent *d;
const char *plugin_name;
size_t name_len = strlen(name);
bool found = FALSE;
/* first check that it's not actually loaded */
for (module = modules; module != NULL; module = module->next) {
if (strcmp(module_get_plugin_name(module), name) == 0)
return FALSE;
}
dir = opendir(DOVEADM_MODULEDIR);
if (dir == NULL)
return FALSE;
while ((d = readdir(dir)) != NULL) {
plugin_name = module_file_get_name(d->d_name);
if (str_begins(plugin_name, "doveadm_"))
plugin_name += 8;
if (strncmp(plugin_name, name, name_len) == 0 &&
(plugin_name[name_len] == '\0' ||
strcmp(plugin_name + name_len, "_plugin") == 0)) {
found = TRUE;
break;
}
}
(void)closedir(dir);
return found;
}
const char *unixdate2str(time_t timestamp)
{
return t_strflocaltime("%Y-%m-%d %H:%M:%S", timestamp);
}
const char *doveadm_plugin_getenv(const char *name)
{
const char *const *envs;
unsigned int i, count;
if (!array_is_created(&doveadm_settings->plugin_envs))
return NULL;
envs = array_get(&doveadm_settings->plugin_envs, &count);
for (i = 0; i < count; i += 2) {
if (strcmp(envs[i], name) == 0)
return envs[i+1];
}
return NULL;
}
static int
doveadm_tcp_connect_port(const char *host, in_port_t port)
{
struct ip_addr *ips;
unsigned int ips_count;
int ret, fd;
alarm(DOVEADM_TCP_CONNECT_TIMEOUT_SECS);
ret = net_gethostbyname(host, &ips, &ips_count);
if (ret != 0) {
i_fatal("Lookup of host %s failed: %s",
host, net_gethosterror(ret));
}
fd = net_connect_ip_blocking(&ips[0], port, NULL);
if (fd == -1) {
i_fatal("connect(%s:%u) failed: %m",
net_ip2addr(&ips[0]), port);
}
alarm(0);
return fd;
}
int doveadm_tcp_connect(const char *target, in_port_t default_port)
{
const char *host;
in_port_t port;
if (net_str2hostport(target, default_port, &host, &port) < 0) {
i_fatal("Port not known for %s. Either set proxy_port "
"or use %s:port", target, target);
}
return doveadm_tcp_connect_port(host, port);
}
int doveadm_connect_with_default_port(const char *path,
in_port_t default_port)
{
int fd;
/* we'll assume UNIX sockets typically have an absolute path,
or at the very least '/' somewhere. */
if (strchr(path, '/') == NULL)
fd = doveadm_tcp_connect(path, default_port);
else {
fd = net_connect_unix(path);
if (fd == -1)
i_fatal("net_connect_unix(%s) failed: %m", path);
}
return fd;
}
int doveadm_connect(const char *path)
{
return doveadm_connect_with_default_port(path, 0);
}
int i_strccdascmp(const char *a, const char *b)
{
while(*a != '\0' && *b != '\0') {
if ((*a == ' ' || *a == '-') && *a != *b && *b != ' ' && *b != '-') {
if (i_toupper(*(a+1)) == *(b)) a++;
else break;
} else if ((*b == ' ' || *b == '-') && *a != *b && *a != ' ' && *a != '-') {
if (*a == i_toupper(*(b+1))) b++;
else break;
} else if (!((*a == ' ' || *a == '-') &&
(*b == ' ' || *b == '-')) &&
(*a != *b)) break;
a++; b++;
}
return *a-*b;
}
char doveadm_log_type_to_char(enum log_type type)
{
switch(type) {
case LOG_TYPE_DEBUG:
return '\x01';
case LOG_TYPE_INFO:
return '\x02';
case LOG_TYPE_WARNING:
return '\x03';
case LOG_TYPE_ERROR:
return '\x04';
case LOG_TYPE_FATAL:
return '\x05';
case LOG_TYPE_PANIC:
return '\x06';
default:
i_unreached();
}
}
bool doveadm_log_type_from_char(char c, enum log_type *type_r)
{
switch(c) {
case '\x01':
*type_r = LOG_TYPE_DEBUG;
break;
case '\x02':
*type_r = LOG_TYPE_INFO;
break;
case '\x03':
*type_r = LOG_TYPE_WARNING;
break;
case '\x04':
*type_r = LOG_TYPE_ERROR;
break;
case '\x05':
*type_r = LOG_TYPE_FATAL;
break;
case '\x06':
*type_r = LOG_TYPE_PANIC;
break;
default:
*type_r = LOG_TYPE_WARNING;
return FALSE;
}
return TRUE;
}
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