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control.c
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/*
* Copyright (C) 2006 BATMAN contributors:
* 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 "batman.h"
#include "os.h"
#include "originator.h"
#include "metrics.h"
#include "plugin.h"
#include "schedule.h"
static char run_dir[MAX_PATH_SIZE] = DEF_RUN_DIR;
static int32_t debug_level = -1;
static int32_t dbg_mute_to;
#define MIN_LOOP_PERIOD 100
#define MAX_LOOP_PERIOD 10000
#define DEF_LOOP_PERIOD 1000
static int32_t loop_period = DEF_LOOP_PERIOD;
static int32_t loop_mode;
#define MIN_PEDANT_CHK NO
#define MAX_PEDANT_CHK YES
#define DEF_PEDANT_CHK NO
static int32_t pedantic_check = DEF_PEDANT_CHK;
int unix_sock = 0;
SIMPEL_LIST( ctrl_list );
struct list_head_first 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;
char *prog_name;
struct opt_type Patch_opt;
SIMPEL_LIST( opt_list ); // global opt_list
int32_t Client_mode = NO; //this one must be initialized manually!
static void remove_dbgl_node( struct ctrl_node *cn ) {
int8_t i;
struct dbgl_node *dn;
struct list_head *list_pos, *list_tmp, *list_prev;
for ( i = DBGL_MIN; i <= DBGL_MAX; i++ ) {
list_prev = (struct list_head *)&dbgl_clients[i];
list_for_each_safe( list_pos, list_tmp, (struct list_head *)&dbgl_clients[i] ) {
dn = list_entry(list_pos, struct dbgl_node, list);
if ( dn->cn == cn ) {
list_del( list_prev, list_pos, &dbgl_clients[i] );
debugFree( list_pos, 1218 );
} else {
list_prev = &dn->list;
}
}
}
cn->dbgl = -1;
}
static void add_dbgl_node( struct ctrl_node *cn, int dbgl ) {
if ( !cn || dbgl < DBGL_MIN || dbgl > DBGL_MAX )
return;
struct dbgl_node *dn = debugMalloc( sizeof( struct dbgl_node ), 218 );
memset( dn, 0, sizeof( struct dbgl_node ) );
INIT_LIST_HEAD( &dn->list );
dn->cn = cn;
cn->dbgl = dbgl;
list_add_tail( &dn->list, &dbgl_clients[dbgl] );
if ( dbgl == DBGL_SYS || dbgl == DBGL_CHANGES ) {
dbg( DBGL_CHANGES, 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( DBGL_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 int update_pid_file( void ) {
char tmp_path[MAX_PATH_SIZE+20] = "";
int tmp_fd = 0;
My_pid = getpid();
sprintf( tmp_path, "%s/pid", run_dir );
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( DBGL_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 void activate_debug_system( void ) {
if ( !debug_system_active ) {
/* daemonize */
if ( debug_level == -1 ) {
if ( daemonize() < 0 ) {
dbg( DBGL_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 level %d", debug_level);
dbg( DBGL_CHANGES, DBGT_INFO, "BMX %s%s (compatibility version %d): %s",
SOURCE_VERSION,
strncmp( REVISION_VERSION, "0", 1 ) != 0 ? REVISION_VERSION : "",
COMPAT_VERSION, init_string);
}
}
struct ctrl_node *create_ctrl_node( int fd, void (*cn_fd_handler) (struct ctrl_node *), uint8_t authorized ) {
struct ctrl_node *cn = debugMalloc( sizeof(struct ctrl_node), 201 );
memset( cn, 0, sizeof(struct ctrl_node) );
INIT_LIST_HEAD( &cn->list );
list_add_tail( &cn->list, &ctrl_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 *ctrl_node ) {
struct list_head* list_pos, *list_prev, *list_tmp;
int trash;
list_prev = (struct list_head *)&ctrl_list;
list_for_each_safe( list_pos, list_tmp, &ctrl_list ) {
struct ctrl_node *cn = list_entry(list_pos, struct ctrl_node, list);
if ( ( cmd == CTRL_CLOSE_ERROR || cmd == CTRL_CLOSE_SUCCESS || cmd == CTRL_CLOSE_DELAY ) && cn == ctrl_node ) {
if ( cn->fd > 0 && cn->fd != STDOUT_FILENO ) {
cn->closing_stamp = MAX(batman_time,1);
remove_dbgl_node( cn );
//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->fd, cmd );
if ( cmd == CTRL_CLOSE_SUCCESS )
trash=write( cn->fd, CONNECTION_END_STR, strlen(CONNECTION_END_STR) );
if ( cmd != CTRL_CLOSE_DELAY ) {
close( cn->fd );
cn->fd = 0;
change_selects();
}
}
return;
} else if ( ( cmd == CTRL_CLOSE_STRAIGHT && cn == ctrl_node ) ||
( cmd == CTRL_PURGE_ALL ) ||
( cmd == CTRL_CLEANUP && cn->closing_stamp &&/* cn->fd <= 0 && */
GREAT_U32( batman_time, cn->closing_stamp + CTRL_CLOSING_TIMEOUT ) ) )
{
if ( cn->fd > 0 && cn->fd != STDOUT_FILENO ) {
remove_dbgl_node( cn );
//leaving this after remove_dbgl_node() prevents debugging via broken -d4 pipe
dbgf_all( DBGT_INFO, "closed ctrl node fd %d", cn->fd );
close( cn->fd );
cn->fd = 0;
change_selects();
}
list_del( list_prev, list_pos, &ctrl_list );
debugFree( cn, 1201 );
} else {
list_prev = (struct list_head *)&cn->list;
}
}
}
void accept_ctrl_node( void ) {
struct sockaddr addr;
socklen_t addr_size = sizeof(struct sockaddr);
int32_t unix_opts;
int fd = accept( unix_sock, (struct sockaddr *)&addr, &addr_size);
if ( fd < 0 ) {
dbg( DBGL_SYS, DBGT_ERR, "can't accept unix client: %s", strerror(errno) );
return;
}
/* make unix socket non blocking */
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" );
}
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 ( (apply_stream_opts( buff, NULL, OPT_CHECK, NO/*no cfg by default*/, cn ) == FAILURE) ||
(apply_stream_opts( buff, NULL, OPT_APPLY, NO/*no cfg by default*/, cn ) == FAILURE) )
{
dbg( DBGL_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( NULL, PLUGIN_CB_CONF );
} 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 TESTDEBUG
// returns DBG_HIST_NEW, DBG_HIST_MUTING, or DBG_HIST_MUTED
static uint8_t check_dbg_history ( int8_t dbgl, char *s, uint32_t expire, uint16_t check_len ) {
static int r=0;
int i, unused_i, h;
check_len = MIN(check_len, DBG_HIST_TEXT_SIZE);
if ( !strlen(s) || !expire || !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 == expire &&
!memcmp( s, dbgl_history[h][i].text, MIN(check_len, strlen(s)) ) ) {
if ( LESS_U32( batman_time, dbgl_history[h][i].print_stamp + expire ) &&
GRTEQ_U32( batman_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 = batman_time;
dbgl_history[h][i].catched = 1;
return DBG_HIST_NEW;
}
if ( unused_i == -1 &&
( dbgl_history[h][i].catched == 0 ||
!( LESS_U32( batman_time, dbgl_history[h][i].print_stamp + expire ) &&
GRTEQ_U32( batman_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 = expire;
dbgl_history[h][unused_i].check_len = check_len;
dbgl_history[h][unused_i].print_stamp = batman_time;
dbgl_history[h][unused_i].catched = 1;
memcpy( dbgl_history[h][unused_i].text, s, MIN( check_len, strlen(s) ) );
return DBG_HIST_NEW;
}
#define MAX_DBG_WRITES 4
void dbg_printf( struct ctrl_node *cn, char *last, ... ) {
if ( !cn || cn->fd <= 0 )
return;
static char s[ MAX_DBG_STR_SIZE + 1 ];
ssize_t w, out=0;
int i = 1;
va_list ap;
va_start( ap, last );
vsnprintf( s, MAX_DBG_STR_SIZE, last, ap );
va_end( ap );
// CONNECTION_END_CHR is reserved for signaling connection end
paranoia( -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 || i >= 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",
i, (int)w, (int)strlen(s+out), (int)strlen(s), strerror(errno), s+out );
}
break;
}
i++;
bat_wait( 0, 10 );
if( w > 0 )
out+=w;
errno=0;
}
}
static void debug_output ( uint32_t check_len, uint32_t expire, struct ctrl_node *cn, int8_t dbgl, int8_t dbgt, char const *f, char *s ) {
static uint16_t dbgl_all_msg_num = 0;
static char *dbgt2str[] = {"", "INFO ", "WARN ", "ERROR "};
struct list_head *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%s\n", dbgt2str[dbgt], f?f:"", f?"(): ":"", s );
if ( !debug_system_active ) {
if ( dbgl == DBGL_SYS || debug_level == DBGL_ALL || debug_level == dbgl )
printf( "[%d %8u] %s%s%s%s\n", My_pid, batman_time, dbgt2str[dbgt], f?f:"", f?"(): ":"", s );
if ( dbgl == DBGL_SYS )
syslog( LOG_ERR, "%s%s%s%s\n", dbgt2str[dbgt], f?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_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, expire, check_len );
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, expire/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, expire, 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_PROFILE ||
level == DBGL_SYS )
dbg_printf( dn->cn, "[%d %8u] ", My_pid, batman_time );
if ( level == DBGL_ALL )
dbg_printf( dn->cn, "[%d %8u %5u] ", My_pid, batman_time, dbgl_all_msg_num );
dbg_printf( dn->cn, "%s%s%s%s\n", dbgt2str[dbgt], f?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, batman_time, dbgt2str[DBGT_WARN], check_len, expire/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, 0, dbgl, dbgt, 0, dbg_string_out );
}
void _dbgf ( int8_t dbgl, int8_t dbgt, char const *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, 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, 0, cn, dbgl, dbgt, 0, dbg_string_out );
}
void _dbgf_cn ( struct ctrl_node *cn, int8_t dbgl, int8_t dbgt, char const *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, 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, dbg_mute_to, 0, dbgl, dbgt, 0, dbg_string_out );
}
void _dbgf_all ( int8_t dbgt, char const *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, 0, DBGL_ALL, dbgt, f, dbg_string_out );
}
uint8_t __dbgf_all( void ) {
if ( debug_level != DBGL_ALL && list_empty( &dbgl_clients[DBGL_ALL] ) )
return NO;
return YES;
}
#endif
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, 127 );
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 void free_init_string ( void ) {
if ( init_string )
debugFree( init_string, 1127 );
init_string = NULL;
}
#ifndef NODEPRECATED
static int32_t opt_deprecated ( uint8_t cmd, uint8_t _save, struct opt_type *opt, struct opt_parent *patch, struct ctrl_node *cn ) {
char c = opt->short_name;
if ( cmd == OPT_ADJUST )
dbg( DBGL_SYS, DBGT_WARN, "option --%s%s%c%sis DEPRECATED and ignored!",
opt->long_name, c?", -":"", c?c:' ', c?" ":"" );
return SUCCESS;
}
#endif
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_NETW), p) ) || !nc->c_val )
return FAILURE;
if ( !p || !(mc = get_opt_child(get_option(opt,0,ARG_MASK), 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;
}
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 and /%s MUST NOT be named with special characters or a leading number",
opt->long_name, patch->p_val, ARG_MASK, ARG_NETW );
return FAILURE;
}
p = get_opt_parent_val( opt, patch->p_val );
if ( (mc = get_opt_child( get_option(opt,0,ARG_MASK), patch ) ) && mc->c_val ) {
if ( str2netw( mc->c_val, ip, '/', cn, 0,0 ) == SUCCESS ) {
if ( *ip == htonl( 0xFFFFFFFF<<( 32 - (*mask=get_set_bits( *ip )) ) ) ) {
sprintf( out, "%d", *mask );
set_opt_child_val( mc, out );
} else {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "invalid %s %s /%s %s",
opt->long_name, patch->p_val, ARG_MASK, mc->c_val );
return FAILURE;
}
} else if ( (*mask=strtol(mc->c_val, NULL, 10)) ) {
if ( *mask < MIN_MASK || *mask > MAX_MASK ) {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "invalid prefix-length %s %s /%s %s",
opt->long_name, patch->p_val, ARG_MASK, mc->c_val );
return FAILURE;
}
} else {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "missing prefix-length %s %s /%s %s",
opt->long_name, patch->p_val, ARG_MASK, mc->c_val );
return FAILURE;
}
} else if ( p && (mc = get_opt_child(get_option(opt,0,ARG_MASK), p) ) && mc->c_val ) {
*mask = strtol( mc->c_val , NULL , 10 );
} else {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "missing %s %s /%s",
opt->long_name, patch->p_val, ARG_MASK );
return FAILURE;
}
if ( (nc=get_opt_child( get_option(opt,0,ARG_NETW), patch )) && nc->c_val ) {
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",
opt->long_name, patch->p_val, ARG_NETW, mc->c_val );
return FAILURE;
}
set_opt_child_val( nc, ipStr( validate_net_mask( *ip, *mask, 0 ) ) );
} else if ( p && (nc=get_opt_child( get_option(opt,0,ARG_NETW), p )) && nc->c_val ) {
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",
opt->long_name, patch->p_val, ARG_NETW, mc->c_val );
return FAILURE;
}
} else {
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "missing %s %s /%s",
opt->long_name, patch->p_val, ARG_NETW );
return FAILURE;
}
sprintf( out, "%s/%d", nc->c_val, *mask );
return SUCCESS;
}
static 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 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 void strchange( char *s, char i, char o ) {
char *p;
while ( s && (p=strchr( s, i )) )
p[0] = o;
}
static int32_t 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->long_name, wordlen(opt->long_name) ) )
s = nextword(s);
else if ( wordlen(s)>1 )
s = s+1;
else
s = nextword(s);
if ( s && ( s[0] != EOS_DELIMITER || wordlen(s)>1 ) )
return NO;
return YES;
}
static int8_t is_valid_opt_ival( struct opt_type *opt, char *s, struct ctrl_node *cn ) {
if ( opt->imin == opt->imax )
return SUCCESS;
char* invalids = NULL;
errno=0;
int ival = strtol(s, &invalids , 10);
if ( wordlen(s) < 1 ||
ival < opt->imin || ival > opt->imax ||
invalids!=(s+wordlen(s)) ||
errno == ERANGE || errno == EINVAL )
{
dbg_cn( cn, DBGL_SYS, DBGT_ERR, "--%s value %d is invalid! Must be %d <= <value> <= %d !",
opt->long_name, ival, opt->imin, opt->imax );
return FAILURE;
}
return SUCCESS;
}
/*
* call given function for each applied option
* thus: if several hna are active func() is called once for each
*/
int8_t func_for_each_opt( struct ctrl_node *cn, void *data, char* func_name,
int8_t (*func) ( struct ctrl_node *cn, void *data, struct opt_type *opt, struct opt_parent *p, struct opt_child *c ) )
{
struct list_head *list_pos;
list_for_each( list_pos, &opt_list ) {
struct opt_type *opt = (struct opt_type *)list_entry( list_pos, struct opt_data, list );
if ( /* !opt->help || we are also interested in uncommented configurations*/ !opt->long_name )
continue;
struct list_head *p_pos;
list_for_each( p_pos, &(opt->d.parents_instance_list) ) {
struct opt_parent *p = (struct opt_parent*)list_entry( p_pos, struct opt_parent, list );
if ( (*func)( cn, data, opt, p, NULL ) == FAILURE ) {
dbgf_cn( cn, DBGL_SYS, DBGT_ERR,
"func()=%s with %s %s failed",
func_name, opt->long_name, p->p_val );
return FAILURE;
}
struct list_head *c_pos;
list_for_each( c_pos, &p->childs_instance_list ) {
struct opt_child *c = (struct opt_child*)list_entry( c_pos, struct opt_child, list );
if ( (*func)( cn, data, opt, p, c ) == FAILURE ) {
dbgf_cn( cn, DBGL_SYS, DBGT_ERR,
"func()=%s with %s %s %s %s failed",
func_name, opt->long_name, p->p_val, c->c_opt->long_name, c->c_val );
return FAILURE;
}
}
}
}
return SUCCESS;
}
static void show_opts_help( uint8_t all_opts, uint8_t verbose, struct ctrl_node *cn ) {
if ( !cn )