/* WARNING: Globals starting with '_' overlap smaller symbols at the same address */
undefined4 main(undefined4 param_1,undefined4 *param_2)
{
bool bVar1;
void *pvVar2;
passwd *ppVar3;
int iVar4;
__pid_t _Var5;
FILE *pFVar6;
void *pvVar7;
int *piVar8;
id_t __who;
char *pcVar9;
void *pvVar10;
char *__format;
uint uVar11;
__uid_t __uid;
__gid_t __gid;
undefined4 local_38;
sched_param local_34;
undefined4 *local_30;
local_38 = 0;
FUN_00401f3c();
local_30 = &local_38;
__uid = 0;
__gid = 0;
LAB_00405ab4:
do {
iVar4 = getopt_long(param_1,param_2,"fi:d:pPu:vV12",&PTR_s_foreground_0041a014,local_30) //possible issue identified - semgrep
pvVar10 = g_conf;
if (iVar4 == -1) break;
if (iVar4 != 100) {
if (iVar4 < 0x65) {
if (iVar4 == 0x32) {
*(undefined4 *)((int)g_conf + 0x30) = 1;
*(undefined4 *)((int)pvVar10 + 0x2c) = 0;
goto LAB_00405ab4;
}
if (iVar4 < 0x33) {
if (iVar4 == 0) goto LAB_00405ab4;
if (iVar4 == 0x31) {
*(undefined4 *)((int)g_conf + 0x30) = 0;
*(undefined4 *)((int)pvVar10 + 0x2c) = 1;
goto LAB_00405ab4;
}
}
else {
if (iVar4 == 0x50) {
*(undefined4 *)((int)g_conf + 0x34) = 0;
goto LAB_00405ab4;
}
if (iVar4 == 0x56) {
printf("Easy Cast du Multi Hub (ecmh) %s by Jeroen Massar <jeroen@unfix.org>\nThis is ALPHA modified version: %s, build date: %s\n"
,"2005.02.09","2009.09.18","2012-10-10 10:11:46");
return 0;
}
}
}
else {
if (iVar4 == 0x70) {
*(undefined4 *)((int)g_conf + 0x34) = 1;
goto LAB_00405ab4;
}
if (iVar4 < 0x71) {
if (iVar4 == 0x66) {
*(undefined4 *)((int)g_conf + 0x20) = 0;
goto LAB_00405ab4;
}
if (iVar4 == 0x69) {
if (*(char **)((int)g_conf + 0x10) != (char *)0x0) {
__format = "Only one upstream interface (was: %s) can be specified\n";
pcVar9 = *(char **)((int)g_conf + 0x10);
goto LAB_0040598c;
}
pcVar9 = strdup(_optarg) //possible issue identified - semgrep
*(char **)((int)pvVar10 + 0x10) = pcVar9;
goto LAB_00405ab4;
}
}
else {
if (iVar4 == 0x75) {
ppVar3 = getpwnam(_optarg);
if (ppVar3 == (passwd *)0x0) {
__format = "Couldn\'t find user %s, aborting\n";
pcVar9 = _optarg;
LAB_0040598c:
fprintf(_stderr,__format,pcVar9);
return 0xffffffff;
}
__gid = ppVar3->pw_gid;
__uid = ppVar3->pw_uid;
goto LAB_00405ab4;
}
if (iVar4 == 0x76) {
*(undefined4 *)((int)g_conf + 0x24) = 1;
goto LAB_00405ab4;
}
}
}
fprintf(_stderr,
"%s [-f] [-u username] [-i interface] [-v] [-V] [-1|-2] [-p|-P]\n\n-f, --foreground don\'t daemonize\n-u, --user username drop (setuid+setgid) to user after startup\n-i, --upstream interface upstream interface\n-d, --downstream interface downstream interface\n-v, --verbose Verbose Operation\n-V, --version Report version and exit\n-1, --mld1only Act as a MLDv1 only host\n-2, --mld2only Act as a MLDv2 only host (*)\n"
,*param_2);
pcVar9 =
"-p, --promisc Make interfaces promisc\n-P, --nopromisc Don\'t make interfaces promisc (default)\n\nReport bugs to Jeroen Massar <jeroen@unfix.org>.\nAlso see the website at http://unfix.org/projects/ecmh/\n\n* = RFC incompliant as it ignores MLDv1 reports completely\nRecommended is running without the \'only\' options as that is\nthe mode allows fallback from MLDv2 to MLDv1 as per the RFC\n"
;
goto LAB_00405b40;
}
pcVar9 = *(char **)((int)g_conf + 0x14);
if (pcVar9 != (char *)0x0) {
__format = "Only one downstream interface (was: %s) can be specified\n";
goto LAB_0040598c;
}
pcVar9 = strdup(_optarg) //possible issue identified - semgrep
*(char **)((int)pvVar10 + 0x14) = pcVar9;
} while( true );
if (*(int *)((int)g_conf + 0x20) != 0) {
_Var5 = fork() //possible issue identified - semgrep
if (_Var5 < 0) {
pcVar9 = "Couldn\'t fork\n";
LAB_00405b40:
fputs(pcVar9,_stderr);
return 0xffffffff;
}
if (_Var5 != 0) {
return 0;
}
setsid();
freopen("/dev/null","r",_stdin) //possible issue identified - semgrep
}
signal(1,FUN_0040142c) //possible issue identified - semgrep
signal(0xf,cleanpid) //possible issue identified - semgrep
signal(2,cleanpid) //possible issue identified - semgrep
signal(9,cleanpid) //possible issue identified - semgrep
signal(0xe,(__sighandler_t)&LAB_004013ec) //possible issue identified - semgrep
alarm(0x7d);
signal(0x10,FUN_004014fc) //possible issue identified - semgrep
signal(0x11,(__sighandler_t)&LAB_004039e8) //possible issue identified - semgrep
dolog(6,
"Easy Cast du Multi Hub (ecmh) %s by Jeroen Massar <jeroen@unfix.org>\nThis is ALPHA modified version: %s, build date: %s\n"
,"2005.02.09","2009.09.18","2012-10-10 10:11:46");
if ((*(int *)((int)g_conf + 0x10) == 0) || (*(int *)((int)g_conf + 0x14) == 0)) {
pcVar9 = "\n!!! Need specify upstream and downstream !!!\n";
goto LAB_00405ddc;
}
dolog(6,"Using %s as an upstream interface\n");
dolog(6,"Using %s as an downstream interface\n",*(undefined4 *)((int)g_conf + 0x14));
if (*(int *)((int)g_conf + 0x2c) == 0) {
if (*(int *)((int)g_conf + 0x30) != 0) {
pcVar9 = "MLDv2 Only Mode, only MLDv2 Queries will be sent\n";
goto LAB_00405d34;
}
}
else {
pcVar9 = "MLDv1 Only Mode, only MLDv1 Queries and Reports will be sent\n";
LAB_00405d34:
dolog(6,pcVar9);
}
savepid();
pvVar10 = g_conf;
pFVar6 = fopen("/var/run/ecmh.dump","w") //possible issue identified - semgrep
pvVar2 = g_conf;
*(FILE **)((int)pvVar10 + 0x44) = pFVar6;
if (*(int *)((int)pvVar2 + 0x44) == 0) {
dolog(3,"Couldn\'t open dumpfile %s\n","/var/run/ecmh.dump");
return 0xffffffff;
}
iVar4 = socket(0x11,1,0x300);
pvVar10 = g_conf;
*(int *)((int)pvVar2 + 0x40) = iVar4;
if (-1 < *(int *)((int)pvVar10 + 0x40)) {
pvVar7 = malloc(*(size_t *)((int)pvVar10 + 0x3c)) //possible issue identified - semgrep
pvVar2 = g_conf;
*(void **)((int)pvVar10 + 0x38) = pvVar7;
pvVar10 = *(void **)((int)pvVar2 + 0x38);
if (pvVar10 == (void *)0x0) {
piVar8 = __errno_location();
pcVar9 = strerror(*piVar8);
dolog(6,"Couldn\'t allocate memory for buffer: %s (%d)\n",pcVar9,*piVar8);
return 0xffffffff;
}
memset(pvVar10,0,*(size_t *)((int)pvVar2 + 0x3c));
__who = getpid();
iVar4 = setpriority(PRIO_PROCESS,__who,-0xf);
if (iVar4 == -1) {
dolog(4,
"Couldn\'t raise priority to -15, if streams are shaky, upgrade your cpu or fix this\n")
;
}
local_34.__sched_priority = 99;
iVar4 = sched_setscheduler(0,1,&local_34);
if (iVar4 == -1) {
piVar8 = __errno_location();
dolog(4,"Couldn\'t configure the scheduler, errno = %i\n",*piVar8);
}
if (__uid != 0) {
setuid(__uid) //possible issue identified - semgrep
}
if (__gid != 0) {
setgid(__gid) //possible issue identified - semgrep
}
FUN_00402080(0,0);
FUN_00404768();
bVar1 = false;
while (!bVar1 && *(int *)((int)g_conf + 0x28) == 0) {
if (DAT_0041a420 != 0) {
FUN_00404844();
DAT_0041a420 = 0;
signal(0xe,(__sighandler_t)&LAB_004013ec) //possible issue identified - semgrep
alarm(0x7d);
}
iVar4 = FUN_00405608(*(undefined4 *)((int)g_conf + 0x38));
bVar1 = iVar4 == 0;
}
FUN_004014fc(0x10);
dolog(6,"Shutdown, thank you for using ecmh\n");
list_delete_all_node(*(undefined4 *)((int)g_conf + 0xc));
uVar11 = 0;
while( true ) {
iVar4 = uVar11 * 0x90;
bVar1 = *(uint *)((int)g_conf + 4) <= uVar11;
uVar11 = uVar11 + 1;
if (bVar1) break;
if (*(int *)((int)*(void **)((int)g_conf + 8) + iVar4 + 0x18) != 0) {
int_destroy();
}
}
free(*(void **)((int)g_conf + 8));
fclose(*(FILE **)((int)g_conf + 0x44));
close(*(int *)((int)g_conf + 0x40));
free(g_conf);
cleanpid(2);
return 0;
}
pcVar9 = "Couldn\'t allocate a RAW socket\n";
LAB_00405ddc:
dolog(3,pcVar9);
return 0xffffffff;
}
