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control.c
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control.c
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/*
* Copyright (c) 2010 Axel Neumann
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdarg.h>
#include <syslog.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/un.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <paths.h>
#include "bmx.h"
#include "ip.h"
#include "plugin.h"
#include "schedule.h"
#include "tools.h"
#include "hna.h"
#define CODE_CATEGORY_NAME "control"
char run_dir[MAX_PATH_SIZE] = DEF_RUN_DIR;
static int32_t debug_level = -1;
static int32_t dbg_mute_to;
#define MIN_LOOP_INTERVAL 100
#define MAX_LOOP_INTERVAL 10000
#define DEF_LOOP_INTERVAL 1000
static int32_t loop_interval = DEF_LOOP_INTERVAL;
static int32_t loop_mode;
int unix_sock = 0;
uint32_t My_pid = 0;
LIST_SIMPEL( ctrl_list, struct ctrl_node, list, list );
struct list_head dbgl_clients[DBGL_MAX+1];
static struct dbg_histogram dbgl_history[2][DBG_HIST_SIZE];
static uint8_t debug_system_active = NO;
static char *init_string = NULL;
static int32_t Testing = NO;
int32_t Load_config;
static int32_t dbg_syslog = DEF_DBG_SYSLOG;
char *prog_name;
struct opt_type Patch_opt;
LIST_SIMPEL( opt_list, struct opt_data, list, list ); // global opt_list
int32_t Client_mode = NO; //this one must be initialized manually!
STATIC_FUNC
void remove_dbgl_node(struct ctrl_node *cn)
{
int8_t i;
struct dbgl_node *dn;
struct list_node *list_pos, *list_tmp, *list_prev;
for ( i = DBGL_MIN; i <= DBGL_MAX; i++ ) {
list_prev = (struct list_node *)&dbgl_clients[i];
list_for_each_safe( list_pos, list_tmp, /*(struct list_node *)*/(&dbgl_clients[i]) ) {
dn = list_entry(list_pos, struct dbgl_node, list);
if ( dn->cn == cn ) {
list_del_next(&dbgl_clients[i], list_prev);
debugFree( list_pos, -300049 );
} else {
list_prev = &dn->list;
}
}
}
cn->dbgl = -1;
}
STATIC_FUNC
void add_dbgl_node(struct ctrl_node *cn, int dbgl)
{
if ( !cn || dbgl < DBGL_MIN || dbgl > DBGL_MAX )
return;
struct dbgl_node *dn = debugMallocReset( sizeof( struct dbgl_node ), -300009 );
dn->cn = cn;
cn->dbgl = dbgl;
list_add_tail(&dbgl_clients[dbgl], &dn->list);
if ( dbgl == DBGL_SYS || dbgl == DBGL_CHANGES ) {
dbgf_all(DBGT_INFO, "resetting muted dbg history");
memset( dbgl_history, 0, sizeof( dbgl_history ) );
}
}
static int daemonize()
{
int fd;
switch( fork() ) {
case -1:
return -1;
case 0:
break;
default:
exit(EXIT_SUCCESS);
}
if ( setsid() == -1 )
return -1;
/* Ensure we are no session leader */
if ( fork() )
exit(EXIT_SUCCESS);
errno=0;
if ( chdir( "/" ) < 0 ) {
dbg_sys(DBGT_ERR, "could not chdir to /: %s", strerror(errno) );
}
if ( ( fd = open( _PATH_DEVNULL, O_RDWR, 0) ) != -1 ) {
dup2(fd, STDIN_FILENO);
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
if ( fd > 2 )
close(fd);
}
return 0;
}
STATIC_FUNC
int update_pid_file(void)
{
char tmp_path[MAX_PATH_SIZE+20] = "";
int tmp_fd = 0;
My_pid = getpid();
sprintf( tmp_path, "%s/%s", run_dir, BMX_PID_FILE );
if ( (tmp_fd = open( tmp_path, O_CREAT|O_WRONLY|O_TRUNC, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH )) < 0 ) { //check permissions of generated file
dbgf_sys(DBGT_ERR, "could not open %s - %s", tmp_path, strerror(errno) );
return FAILURE;
}
dprintf( tmp_fd, "%d\n", My_pid );
close ( tmp_fd );
return SUCCESS;
}
STATIC_FUNC
void activate_debug_system(void)
{
if ( !debug_system_active ) {
/* daemonize */
if ( debug_level == -1 ) {
if ( daemonize() < 0 ) {
dbg_sys(DBGT_ERR, "can't fork to background: %s", strerror(errno) );
cleanup_all( -500093 );
}
// fork will result in a new pid
if ( update_pid_file() == FAILURE )
cleanup_all( -500132 );
} else {
struct ctrl_node *cn = create_ctrl_node( STDOUT_FILENO, NULL, NO/*admin rights not necessary*/ );
add_dbgl_node( cn, debug_level );
}
//dbg( DBGL_CHANGES, DBGT_INFO, "resetting muted dbg history" );
memset( dbgl_history, 0, sizeof( dbgl_history ) );
debug_system_active = YES;
dbgf_all( DBGT_INFO, "activated debug_level=%d", debug_level);
}
}
struct ctrl_node *create_ctrl_node(int fd, void (*cn_fd_handler) (struct ctrl_node *), uint8_t authorized)
{
TRACE_FUNCTION_CALL;
struct ctrl_node *cn = debugMallocReset( sizeof(struct ctrl_node), -300010 );
list_add_tail(&ctrl_list, &cn->list);
cn->fd = fd;
cn->cn_fd_handler = cn_fd_handler;
cn->dbgl = -1;
cn->authorized = authorized;
return cn;
}
void close_ctrl_node(uint8_t cmd, struct ctrl_node *cn)
{
struct list_node* list_pos, *list_prev, *list_tmp;
list_prev = (struct list_node *)&ctrl_list;
list_for_each_safe( list_pos, list_tmp, &ctrl_list ) {
struct ctrl_node *cn_tmp = list_entry(list_pos, struct ctrl_node, list);
if ( ( cmd == CTRL_CLOSE_ERROR || cmd == CTRL_CLOSE_SUCCESS || cmd == CTRL_CLOSE_DELAY ) && cn_tmp == cn ) {
if ( cn_tmp->fd > 0 && cn_tmp->fd != STDOUT_FILENO ) {
cn_tmp->closing_stamp = XMAX(bmx_time,1);
remove_dbgl_node( cn_tmp );
//leaving this after remove_dbgl_node() prevents debugging via broken -d4 pipe
dbgf_all(DBGT_INFO, "closed ctrl node fd %d with cmd %d", cn_tmp->fd, cmd);
if ( cmd == CTRL_CLOSE_SUCCESS ) {
if (write(cn_tmp->fd, CONNECTION_END_STR, strlen(CONNECTION_END_STR)) < 0) {
dbgf_track(DBGT_WARN, "%s", strerror(errno));
}
}
if ( cmd != CTRL_CLOSE_DELAY ) {
close( cn_tmp->fd );
cn_tmp->fd = 0;
change_selects();
}
}
return;
} else if ( ( cmd == CTRL_CLOSE_STRAIGHT && cn_tmp == cn ) ||
( cmd == CTRL_PURGE_ALL ) ||
( cmd == CTRL_CLEANUP && cn_tmp->closing_stamp &&/* cn_tmp->fd <= 0 && */
U32_GT( bmx_time, cn_tmp->closing_stamp + CTRL_CLOSING_TIMEOUT ) ) )
{
if ( cn_tmp->fd > 0 && cn_tmp->fd != STDOUT_FILENO ) {
remove_dbgl_node( cn_tmp );
//leaving this after remove_dbgl_node() prevents debugging via broken -d4 pipe
dbgf_all(DBGT_INFO, "closed ctrl node fd %d", cn_tmp->fd);
close( cn_tmp->fd );
cn_tmp->fd = 0;
change_selects();
}
list_del_next(&ctrl_list, list_prev);
debugFree( cn_tmp, -300050 );
} else {
list_prev = (struct list_node *)&cn_tmp->list;
}
}
}
void accept_ctrl_node(void)
{
struct sockaddr addr;
socklen_t addr_size = sizeof(struct sockaddr);
int fd = accept( unix_sock, (struct sockaddr *)&addr, &addr_size);
if ( fd < 0 ) {
dbg_sys(DBGT_ERR, "can't accept unix client: %s", strerror(errno) );
return;
}
/* make unix socket non blocking */
// int32_t unix_opts = fcntl(fd, F_GETFL, 0);
// fcntl( fd, F_SETFL, unix_opts | O_NONBLOCK );
create_ctrl_node( fd, NULL, YES );
change_selects();
dbgf_all( DBGT_INFO, "got unix control connection via fd=%d", fd );
}
void handle_ctrl_node(struct ctrl_node *cn)
{
char buff[MAX_UNIX_MSG_SIZE+1];
if ( cn->cn_fd_handler ) {
(cn->cn_fd_handler) (cn);
return;
}
errno=0;
int input = read( cn->fd, buff, MAX_UNIX_MSG_SIZE );
buff[input]='\0';
if (input > 0 && input < MAX_UNIX_MSG_SIZE) {
dbgf_all( DBGT_INFO, "rcvd ctrl stream via fd %d, %d bytes, auth %d: %s",
cn->fd, input, cn->authorized, buff );
if (validate_char_string(buff, input) != SUCCESS ||
(apply_stream_opts(buff, OPT_CHECK, NO/*no cfg by default*/, cn) == FAILURE) ||
(apply_stream_opts(buff, OPT_APPLY, NO/*no cfg by default*/, cn) == FAILURE))
{
dbg_sys(DBGT_ERR, "invalid ctrl stream via fd %d, %d bytes, auth %d: %s",
cn->fd, input, cn->authorized, buff );
close_ctrl_node( CTRL_CLOSE_ERROR, cn );
return;
}
respect_opt_order( OPT_APPLY, 0, 99, NULL, NO/*load_cofig*/, OPT_POST, 0/*probably closed*/ );
cb_plugin_hooks(PLUGIN_CB_CONF, NULL);
} else {
close_ctrl_node( CTRL_CLOSE_STRAIGHT, cn );
//leaving this after close_ctrl_node() -> remove_dbgl_node() prevents debugging via broken -d4 pipe
dbgf_all( DBGT_INFO, "closed fd %d, rcvd %d bytes, auth %d: %s",
cn->fd, input, cn->authorized, buff );
}
return;
}
#ifndef TEST_DEBUG
// returns DBG_HIST_NEW, DBG_HIST_MUTING, or DBG_HIST_MUTED
STATIC_FUNC
uint8_t check_dbg_history(int8_t dbgl, char *s, uint16_t check_len)
{
static int r=0;
int i, unused_i, h;
check_len = XMIN(check_len, DBG_HIST_TEXT_SIZE);
if ( !strlen(s) || !dbg_mute_to || !check_len )
return DBG_HIST_NEW;
if ( dbgl == DBGL_SYS )
h=0;
else if ( dbgl == DBGL_CHANGES )
h=1;
else
return DBG_HIST_NEW;
unused_i = -1;
i = r = (r+1) % DBG_HIST_SIZE;
do {
if ( dbgl_history[h][i].check_len == check_len &&
dbgl_history[h][i].expire == dbg_mute_to &&
!memcmp( s, dbgl_history[h][i].text, XMIN(check_len, strlen(s)) ) ) {
if ( U32_LT( bmx_time, dbgl_history[h][i].print_stamp + dbg_mute_to ) &&
U32_GE( bmx_time, dbgl_history[h][i].print_stamp ) )
{
dbgl_history[h][i].catched++;
if ( dbgl_history[h][i].catched == 2 )
return DBG_HIST_MUTING;
else
return DBG_HIST_MUTED;
}
dbgl_history[h][i].print_stamp = bmx_time;
dbgl_history[h][i].catched = 1;
return DBG_HIST_NEW;
}
if ( unused_i == -1 &&
( dbgl_history[h][i].catched == 0 ||
!( U32_LT( bmx_time, dbgl_history[h][i].print_stamp + dbg_mute_to ) &&
U32_GE( bmx_time, dbgl_history[h][i].print_stamp ) ) ) )
{
unused_i = i;
}
i = ( (i+1) % DBG_HIST_SIZE );
} while ( i != r );
if ( unused_i == -1 )
unused_i = r;
dbgl_history[h][unused_i].expire = dbg_mute_to;
dbgl_history[h][unused_i].check_len = check_len;
dbgl_history[h][unused_i].print_stamp = bmx_time;
dbgl_history[h][unused_i].catched = 1;
memcpy( dbgl_history[h][unused_i].text, s, XMIN( check_len, strlen(s) ) );
return DBG_HIST_NEW;
}
STATIC_FUNC
void debug_output(uint32_t check_len, struct ctrl_node *cn, int8_t dbgl, int8_t dbgt, const char *f, char *s)
{
static uint16_t dbgl_all_msg_num = 0;
static char *dbgt2str[] = {"", "INFO ", "WARN ", "ERROR "};
struct list_node *list_pos;
int16_t dbgl_out[DBGL_MAX+1];
int i = 0, j;
uint8_t mute_dbgl_sys = DBG_HIST_NEW;
uint8_t mute_dbgl_changes = DBG_HIST_NEW;
if ( cn && cn->fd != STDOUT_FILENO )
dbg_printf( cn, "%s%s: %s\n", dbgt2str[dbgt], f?f:"", s );
if ( !debug_system_active ) {
if ( dbgl == DBGL_SYS || debug_level == DBGL_ALL || debug_level == dbgl)
printf("[%d %8u] %s%s: %s\n", My_pid, bmx_time, dbgt2str[dbgt], f ? f : "", s);
if ( (dbg_syslog||initializing||terminating) && dbgl == DBGL_SYS )
syslog( LOG_ERR, "%s%s: %s\n", dbgt2str[dbgt], f?f:"", s );
return;
}
if ( dbgl == DBGL_ALL ) {
if ( !LIST_EMPTY( &dbgl_clients[DBGL_ALL ] ) ) dbgl_out[i++] = DBGL_ALL;
} else if ( dbgl == DBGL_CHANGES ) {
if ( !LIST_EMPTY( &dbgl_clients[DBGL_CHANGES ] ) ) dbgl_out[i++] = DBGL_CHANGES;
if ( !LIST_EMPTY( &dbgl_clients[DBGL_ALL ] ) ) dbgl_out[i++] = DBGL_ALL;
} else if ( dbgl == DBGL_TEST ) {
if ( !LIST_EMPTY( &dbgl_clients[DBGL_TEST ] ) ) dbgl_out[i++] = DBGL_TEST;
if ( !LIST_EMPTY( &dbgl_clients[DBGL_ALL ] ) ) dbgl_out[i++] = DBGL_ALL;
} else if ( dbgl == DBGL_DUMP ) {
if ( !LIST_EMPTY( &dbgl_clients[DBGL_DUMP ] ) ) dbgl_out[i++] = DBGL_DUMP;
if ( !LIST_EMPTY( &dbgl_clients[DBGL_ALL ] ) ) dbgl_out[i++] = DBGL_ALL;
} else if ( dbgl == DBGL_PROFILE ) {
if ( !LIST_EMPTY( &dbgl_clients[DBGL_PROFILE ] ) ) dbgl_out[i++] = DBGL_PROFILE;
} else if ( dbgl == DBGL_SYS ) {
if ( !LIST_EMPTY( &dbgl_clients[DBGL_SYS ] ) ) dbgl_out[i++] = DBGL_SYS;
if ( !LIST_EMPTY( &dbgl_clients[DBGL_CHANGES ] ) ) dbgl_out[i++] = DBGL_CHANGES;
if ( !LIST_EMPTY( &dbgl_clients[DBGL_ALL ] ) ) dbgl_out[i++] = DBGL_ALL;
if ( check_len )
mute_dbgl_sys = check_dbg_history( DBGL_SYS, s, check_len );
if (dbg_syslog||initializing||terminating) {
if ( mute_dbgl_sys != DBG_HIST_MUTED )
syslog( LOG_ERR, "%s%s%s%s\n", dbgt2str[dbgt], f?f:"", f?"(): ":"", s );
if ( mute_dbgl_sys == DBG_HIST_MUTING )
syslog( LOG_ERR, "%smuting further messages (with equal first %d bytes) for at most %d seconds\n",
dbgt2str[DBGT_WARN], check_len, dbg_mute_to/1000 );
}
}
for ( j = 0; j < i; j++ ) {
int level = dbgl_out[j];
if ( level == DBGL_ALL )
dbgl_all_msg_num++;
if ( level == DBGL_CHANGES && check_len &&
(mute_dbgl_changes = check_dbg_history( DBGL_CHANGES, s, check_len )) == DBG_HIST_MUTED )
continue;
if ( level == DBGL_SYS && mute_dbgl_sys == DBG_HIST_MUTED )
continue;
list_for_each ( list_pos, /*(struct list_head *)*/&(dbgl_clients[level]) ) {
struct dbgl_node *dn = list_entry(list_pos, struct dbgl_node, list);
if ( !dn->cn || dn->cn->fd <= 0 )
continue;
if ( level == DBGL_CHANGES ||
level == DBGL_TEST ||
level == DBGL_DUMP ||
level == DBGL_PROFILE ||
level == DBGL_SYS )
dbg_printf( dn->cn, "[%d %8u] ", My_pid, bmx_time );
if ( level == DBGL_ALL )
dbg_printf( dn->cn, "[%d %8u %5u] ", My_pid, bmx_time, dbgl_all_msg_num );
dbg_printf(dn->cn, "%s%s: %s\n", dbgt2str[dbgt], f ? f : "", s);
if ( ( level == DBGL_SYS && mute_dbgl_sys == DBG_HIST_MUTING ) ||
( level == DBGL_CHANGES && mute_dbgl_changes == DBG_HIST_MUTING ) )
dbg_printf( dn->cn,
"[%d %8u] %smuting further messages (with equal first %d bytes) for at most %d seconds\n",
My_pid, bmx_time, dbgt2str[DBGT_WARN], check_len, dbg_mute_to/1000 );
}
}
}
// this static array of char is used by all following dbg functions.
static char dbg_string_out[ MAX_DBG_STR_SIZE + 1 ];
void dbg ( int8_t dbgl, int8_t dbgt, char *last, ... ) {
va_list ap;
va_start( ap, last );
vsnprintf( dbg_string_out, MAX_DBG_STR_SIZE, last, ap );
va_end( ap );
debug_output ( 0, 0, dbgl, dbgt, 0, dbg_string_out );
}
void _dbgf ( int8_t dbgl, int8_t dbgt, const char *f, char *last, ... ) {
va_list ap;
va_start( ap, last );
vsnprintf( dbg_string_out, MAX_DBG_STR_SIZE, last, ap );
va_end( ap );
debug_output ( 0, 0, dbgl, dbgt, f, dbg_string_out );
}
void dbg_cn ( struct ctrl_node *cn, int8_t dbgl, int8_t dbgt, char *last, ... ) {
va_list ap;
va_start( ap, last );
vsnprintf( dbg_string_out, MAX_DBG_STR_SIZE, last, ap );
va_end( ap );
debug_output ( 0, cn, dbgl, dbgt, 0, dbg_string_out );
}
void _dbgf_cn ( struct ctrl_node *cn, int8_t dbgl, int8_t dbgt, const char *f, char *last, ... ) {
va_list ap;
va_start( ap, last );
vsnprintf( dbg_string_out, MAX_DBG_STR_SIZE, last, ap );
va_end( ap );
debug_output ( 0, cn, dbgl, dbgt, f, dbg_string_out );
}
void dbg_mute ( uint32_t check_len, int8_t dbgl, int8_t dbgt, char *last, ... ) {
va_list ap;
va_start( ap, last );
vsnprintf( dbg_string_out, MAX_DBG_STR_SIZE, last, ap );
va_end( ap );
debug_output ( check_len, 0, dbgl, dbgt, 0, dbg_string_out );
}
void _dbgf_mute(uint32_t check_len, int8_t dbgl, int8_t dbgt, const char *f, char *last, ...)
{
va_list ap;
va_start( ap, last );
vsnprintf( dbg_string_out, MAX_DBG_STR_SIZE, last, ap );
va_end( ap );
debug_output ( check_len, 0, dbgl, dbgt, f, dbg_string_out );
}
void _dbgf_all ( int8_t dbgt, const char *f, char *last, ... ) {
va_list ap;
va_start( ap, last );
vsnprintf( dbg_string_out, MAX_DBG_STR_SIZE, last, ap );
va_end( ap );
debug_output ( 0, 0, DBGL_ALL, dbgt, f, dbg_string_out );
}
void dbg_spaces(struct ctrl_node *cn, uint16_t spaces)
{
uint16_t i;
for (i = 0; i < spaces; i++)
dbg_printf(cn, " ");
}
void dbg_printf(struct ctrl_node *cn, char *last, ...)
{
#define MAX_DBG_WRITES 4
if (!cn || cn->fd <= 0)
return;
/*
static char s[ MAX_DBG_STR_SIZE + 1 ];
ssize_t w, out = 0;
int tries = 1;
*/
errno = 0;
va_list ap;
va_start(ap, last);
// vsnprintf(s, MAX_DBG_STR_SIZE, last, ap);
if (vdprintf(cn->fd, last, ap) < 0) {
int err = errno;
wait_sec_usec(0, 100000);
dprintf(cn->fd, "\nERROR: %s !\n", strerror(err));
}
va_end(ap);
/*
// CONNECTION_END_CHR is reserved for signaling connection end
assertion(-500146, (!strchr(s, CONNECTION_END_CHR)));
errno = 0;
while ((w = write(cn->fd, s + out, strlen(s + out))) != (ssize_t) strlen(s + out)) {
if (errno == EPIPE || tries >= MAX_DBG_WRITES || cn->dbgl == DBGL_ALL) {
if (cn->dbgl != DBGL_ALL) {
syslog(LOG_ERR, "failed %d times writing %d instead of %d/%d bytes (%s)! Giving up: %s\n",
tries, (int) w, (int) strlen(s + out), (int) strlen(s), strerror(errno), s + out);
}
break;
}
tries++;
wait_sec_usec(0, 10000);
if (w > 0)
out += w;
errno = 0;
}
*/
}
#endif
uint8_t __dbgf_all( void ) {
if ( debug_level != DBGL_ALL && LIST_EMPTY( &dbgl_clients[DBGL_ALL] ) )
return NO;
return YES;
}
uint8_t __dbgf_track( void ) {
if ( debug_level != DBGL_CHANGES && LIST_EMPTY( &dbgl_clients[DBGL_CHANGES] ) &&
debug_level != DBGL_ALL && LIST_EMPTY( &dbgl_clients[DBGL_ALL] ) )
return NO;
return YES;
}
int (*load_config_cb) ( uint8_t test, struct opt_type *opt, struct ctrl_node *cn ) = NULL;
int (*save_config_cb) ( uint8_t del, struct opt_type *opt, char *parent, char *val, struct ctrl_node *cn ) = NULL;
int (*derive_config) ( char *reference, char *derivation, struct ctrl_node *cn ) = NULL;
void get_init_string(int g_argc, char **g_argv)
{
uint32_t size = 1, dbg_init_out = 0;
int i;
char *dbg_init_str;
for (i=0; i < g_argc; i++)
size+=( 1 + strlen( g_argv[i]) );
dbg_init_str = debugMalloc( size, -300012 );
for (i=0; i < g_argc; i++)
dbg_init_out = dbg_init_out + sprintf( (dbg_init_str + dbg_init_out), "%s ", g_argv[i] );
init_string = dbg_init_str;
}
STATIC_FUNC
void free_init_string(void)
{
if ( init_string )
debugFree( init_string, -300052 );
init_string = NULL;
}
#ifdef ADJ_PATCHED_NETW
int32_t get_tracked_network( struct opt_type *opt, struct opt_parent *patch, char *out, uint32_t *ip, int32_t *mask, struct ctrl_node *cn ) {
struct opt_child *nc, *mc;
struct opt_parent *p = get_opt_parent_val( opt, patch->p_val );
if ( !p || !(nc = get_opt_child(get_option(opt,0,ARG_UHNA_NETWORK), p) ) || !nc->c_val )
return FAILURE;
if ( !p || !(mc = get_opt_child(get_option(opt,0,ARG_UHNA_PREFIXLEN), p) ) || !mc->c_val )
return FAILURE;
sprintf( out, "%s/%s", nc->c_val, mc->c_val );
if ( str2netw( out, ip, '/', cn, mask, 32 ) == FAILURE )
return FAILURE;
return SUCCESS;
}
#endif
#ifdef ADJ_PATCHED_NETW
int32_t adj_patched_network( struct opt_type *opt, struct opt_parent *patch, char *out, uint32_t *ip, int32_t *mask, struct ctrl_node *cn ) {
struct opt_child *nc, *mc;
struct opt_parent *p;
if ( strpbrk( patch->p_val, "*'\"#\\/~?^°,;|<>()[]{}$%&=`´" ) ) {
dbg_cn( cn, DBGL_SYS, DBGT_ERR,
"%s %s with %s%s and %s%s MUST NOT be named with special characters or a leading number",
opt->long_name, patch->p_val, LONG_OPT_ARG_DELIMITER_STR, ARG_UHNA_PREFIXLEN, LONG_OPT_ARG_DELIMITER_STR, ARG_UHNA_NETWORK);
return FAILURE;
}
// obtain netmask:
p = get_opt_parent_val( opt, patch->p_val );
if ( (mc = get_opt_child( get_option(opt,0,ARG_UHNA_PREFIXLEN), patch ) ) && mc->c_val ) {
// obtain the just-given netmask:
if ( str2netw( mc->c_val, ip, '/', cn, 0,0 ) == SUCCESS ) {
// the 255.255.255.0 notation:
if ( *ip == htonl( 0xFFFFFFFF<<( 32 - (*mask=bits_count( *ip )) ) ) ) {
sprintf( out, "%d", *mask );
set_opt_child_val( mc, out );
} else {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "invalid %s %s %s%s %s",
opt->long_name, patch->p_val, LONG_OPT_ARG_DELIMITER_STR, ARG_UHNA_PREFIXLEN, mc->c_val);
return FAILURE;
}
} else if ( (*mask=strtol(mc->c_val, NULL, 10)) ) {
// the prefix_len /24 notation:
if ( *mask < MIN_MASK || *mask > MAX_MASK ) {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "invalid prefix-length %s %s %s%s %s",
opt->long_name, patch->p_val, LONG_OPT_ARG_DELIMITER_STR, ARG_UHNA_PREFIXLEN, mc->c_val );
return FAILURE;
}
} else {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "missing prefix-length %s %s %s%s %s",
opt->long_name, patch->p_val, LONG_OPT_ARG_DELIMITER_STR, ARG_UHNA_PREFIXLEN, mc->c_val );
return FAILURE;
}
} else if ( p && (mc = get_opt_child(get_option(opt,0,ARG_UHNA_PREFIXLEN), p) ) && mc->c_val ) {
// obtain the already-configured netmask:
*mask = strtol( mc->c_val , NULL , 10 );
} else {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "missing %s %s %s%s",
opt->long_name, patch->p_val, LONG_OPT_ARG_DELIMITER_STR, ARG_UHNA_PREFIXLEN );
return FAILURE;
}
// obtain the network:
if ((nc = get_opt_child(get_option(opt, 0, ARG_UHNA_NETWORK), patch)) && nc->c_val) {
// obtain the just-given network:
sprintf( out, "%s/%d", nc->c_val, *mask );
if ( str2netw( out, ip, '/', cn, mask, 32 ) == FAILURE ) {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "invalid patch %s %s %s%s %s",
opt->long_name, patch->p_val, LONG_OPT_ARG_DELIMITER_STR, ARG_UHNA_NETWORK, mc->c_val );
return FAILURE;
}
if (ip_netmask_validate(ipX, mask, family) == FAILURE) {
dbg_cn(cn, DBGL_SYS, DBGT_ERR, "invalid prefix");
return FAILURE;
}
set_opt_child_val(nc, ipXAsStr(family, ipX));
} else if ( p && (nc=get_opt_child( get_option(opt,0,ARG_UHNA_NETWORK), p )) && nc->c_val ) {
// obtain the already-configured network:
sprintf( out, "%s/%d", nc->c_val, *mask );
if ( str2netw( out, ip, '/', cn, mask, 32 ) == FAILURE ) {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "invalid trac %s %s %s%s %s",
opt->long_name, patch->p_val, LONG_OPT_ARG_DELIMITER_STR, ARG_UHNA_NETWORK, mc->c_val );
return FAILURE;
}
} else {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "missing %s %s %s%s",
opt->long_name, patch->p_val, LONG_OPT_ARG_DELIMITER_STR, ARG_UHNA_NETWORK );
return FAILURE;
}
sprintf( out, "%s/%d", nc->c_val, *mask );
return SUCCESS;
}
#endif
STATIC_FUNC
char* nextword(char *s)
{
uint32_t i = 0;
uint8_t found_gap = NO;
if ( !s )
return NULL;
for( i=0; i<strlen(s); i++ ) {
if ( s[i] == '\0' || s[i] == '\n' )
return NULL;
if ( !found_gap && ( s[i]==' ' || s[i]=='\t' ))
found_gap = YES;
if ( found_gap && ( s[i]!=' ' && s[i]!='\t' ) )
return &(s[i]);
}
return NULL;
}
STATIC_FUNC
char *debugWordDup(char* word, int32_t tag)
{
if ( !word )
return NULL;
char *ret = debugMalloc( wordlen(word)+1, tag );
snprintf( ret, wordlen(word)+1, "%s", word );
return ret;
}
STATIC_FUNC
void strchange(char *s, char i, char o)
{
char *p;
while ( s && (p=strchr( s, i )) )
p[0] = o;
}
STATIC_FUNC
int32_t is_end_of_cmd_stream(struct opt_type *opt, char *s)
{
char test[MAX_ARG_SIZE]="";
snprintf( test, wordlen(s)+1, "%s", s );
strchange( test, '-', '_' );
if ( opt->opt_t != A_PS0 )
s = nextword(s);
else if ( wordlen(s)>1 && !strncasecmp( test, opt->name, wordlen(opt->name) ) )
s = nextword(s);
else if ( wordlen(s)>1 )
s = s+1;
else
s = nextword(s);
if ( s && ( s[0] != CHR_QUIT || wordlen(s)>1 ) )
return NO;
return YES;
}
STATIC_FUNC
int8_t is_valid_opt_ival(struct opt_type *opt, char *s, struct ctrl_node *cn)
{
if ( opt->imin == opt->imax )
return SUCCESS;