/* WARNING: Globals starting with '_' overlap smaller symbols at the same address */
void udhcpc_main(undefined4 param_1,undefined4 param_2)
{
uint uVar1;
int iVar2;
undefined1 uVar3;
long lVar4;
in_addr __in;
undefined4 uVar5;
undefined2 uVar6;
int iVar7;
undefined4 uVar8;
__fd_mask *p_Var9;
int iVar10;
char *pcVar11;
ssize_t sVar12;
int *piVar13;
int iVar14;
in_addr_t *piVar15;
uint uVar16;
char *pcVar17;
size_t __n;
undefined1 *puVar18;
uint uVar19;
byte *pbVar20;
size_t sVar21;
undefined1 uVar22;
uint uVar23;
uint local_398;
int local_394;
in_addr local_390;
in_addr local_38c;
uint local_388;
timeval local_384;
char acStack_37c [16];
char acStack_36c [16];
undefined4 local_35c;
undefined4 local_358;
undefined2 local_354;
undefined2 local_352;
undefined2 local_350;
undefined2 local_34e;
sysinfo local_34c;
__fd_mask local_30c [32];
__fd_mask _Stack_28c;
int local_288;
in_addr local_27c;
byte local_197 [303];
int local_68;
int local_64;
uint local_60;
uint local_5c;
byte *local_58;
uint *local_54;
int *local_50;
in_addr *local_4c;
in_addr *local_48;
uint *local_44;
timeval *local_40;
char *local_3c;
char *local_38;
char *local_34;
sysinfo *local_30;
__fd_mask *local_2c;
DAT_0041b524 = 4;
DAT_0041b52c = 0x3c;
DAT_0041b528 = 5;
local_44 = &local_388;
local_64 = 0;
local_68 = 0;
LAB_0040533c:
local_388 = 0;
iVar7 = getopt_long(param_1,param_2,"c:fbH:h:i:np:qr:s:vdD:R:S:ut",&PTR_s_clientid_0041b530,
local_44) //possible issue identified - semgrep
if (iVar7 != -1) {
switch(iVar7) {
case 0x44:
DAT_0041b524 = atoi(_optarg);
goto LAB_0040533c;
default:
puts(
"Usage: udhcpc [OPTIONS]\n\n -c, --clientid=CLIENTID Client identifier\n -H, --hostname=HOSTNAME Client hostname\n -h Alias for -H\n -f, --foreground Do not fork after getting lease\n -b, --background Fork to background if lease cannot be\n immediately negotiated.\n -i, --interface=INTERFACE Interface to use (default: eth0)\n -n, --now Exit with failure if lease cannot be\n immediately negotiated.\n -p, --pidfile=file Store process ID of daemon in file\n -q, --quit Quit after obtaining lease\n -r, --request=IP IP address to request (default: none)\n -s, --script=file Run file at dhcp events (default:\n /usr/share/udhcpc/default.script)\n -v, --version Display version"
);
/* WARNING: Subroutine does not return */
exit(0);
case 0x48:
case 0x68:
__n = strlen(_optarg);
if (__n < 0x100) {
sVar21 = __n + 2 //possible issue identified - semgrep
uVar22 = (undefined1)__n;
}
else {
sVar21 = 0x101 //possible issue identified - semgrep
uVar22 = 0xff;
__n = 0xff //possible issue identified - semgrep
}
if (DAT_0041b514 != (undefined1 *)0x0) {
free(DAT_0041b514);
}
puVar18 = (undefined1 *)malloc(sVar21) //possible issue identified - semgrep
pcVar11 = _optarg;
puVar18[1] = uVar22;
DAT_0041b514 = puVar18;
*puVar18 = 0xc;
break;
case 0x52:
DAT_0041b528 = atoi(_optarg);
goto LAB_0040533c;
case 0x53:
DAT_0041b52c = atoi(_optarg);
goto LAB_0040533c;
case 0x62:
DAT_0041b503 = '\x01';
goto LAB_0040533c;
case 99:
__n = strlen(_optarg);
if (__n < 0x100) {
sVar21 = __n + 2 //possible issue identified - semgrep
uVar22 = (undefined1)__n;
}
else {
sVar21 = 0x101 //possible issue identified - semgrep
uVar22 = 0xff;
__n = 0xff //possible issue identified - semgrep
}
if (DAT_0041b510 != (undefined1 *)0x0) {
free(DAT_0041b510);
}
puVar18 = (undefined1 *)malloc(sVar21) //possible issue identified - semgrep
pcVar11 = _optarg;
puVar18[1] = uVar22;
DAT_0041b510 = puVar18;
*puVar18 = 0x3d;
puVar18[2] = 0;
break;
case 100:
local_64 = local_64 + 1;
DAT_0041b524 = 2;
DAT_0041b528 = 2;
DAT_0041b52c = 0;
goto LAB_0040533c;
case 0x66:
client_config = '\x01';
goto LAB_0040533c;
case 0x69:
PTR_DAT_0041b504 = _optarg;
goto LAB_0040533c;
case 0x6e:
DAT_0041b502 = '\x01';
goto LAB_0040533c;
case 0x70:
DAT_0041b508 = _optarg;
goto LAB_0040533c;
case 0x71:
DAT_0041b501 = '\x01';
goto LAB_0040533c;
case 0x72:
DAT_0041bc04.s_addr = inet_addr(_optarg);
goto LAB_0040533c;
case 0x73:
PTR_s__usr_share_udhcpc_default_script_0041b50c = _optarg;
goto LAB_0040533c;
case 0x74:
local_68 = local_68 + 1;
DAT_0041b524 = 2;
DAT_0041b528 = 2;
DAT_0041b52c = 0;
goto LAB_0040533c;
case 0x75:
DAT_0041bc00 = 1;
goto LAB_0040533c;
case 0x76:
goto switchD_004053b8_caseD_76;
}
strncpy(puVar18 + 2,pcVar11,__n) //possible issue identified - semgrep
goto LAB_0040533c;
}
uVar8 = pidfile_acquire(DAT_0041b508);
pidfile_write_release(uVar8);
iVar7 = read_interface(PTR_DAT_0041b504,&DAT_0041b518,0,&DAT_0041b51c);
if (iVar7 < 0) {
FUN_004051c0(1);
}
if (DAT_0041b510 == (undefined1 *)0x0) {
DAT_0041b510 = (undefined1 *)malloc(9) //possible issue identified - semgrep
uVar8 = DAT_0041b51c;
*DAT_0041b510 = 0x3d;
DAT_0041b510[2] = 1;
DAT_0041b510[1] = 7;
uVar3 = DAT_0041b521;
uVar22 = DAT_0041b520;
*(undefined4 *)(DAT_0041b510 + 3) = uVar8;
DAT_0041b510[7] = uVar22;
DAT_0041b510[8] = uVar3;
}
iVar7 = fcntl(0,3);
if (iVar7 == -1) {
open("/dev/null",0) //possible issue identified - semgrep
}
iVar7 = fcntl(1,3);
if (iVar7 == -1) {
open("/dev/null",1) //possible issue identified - semgrep
}
iVar7 = fcntl(2,3);
if (iVar7 == -1) {
open("/dev/null",1) //possible issue identified - semgrep
}
pipe((int *)&DAT_0041bc20) //possible issue identified - semgrep
signal(0x10,FUN_00405234) //possible issue identified - semgrep
signal(0x11,FUN_00405234) //possible issue identified - semgrep
signal(0xf,FUN_00405234) //possible issue identified - semgrep
DAT_0041bc10 = 0;
FUN_00404f6c(2);
local_30 = &local_34c;
DAT_0041bc08 = 0;
sysinfo(local_30);
DAT_0041bc18 = local_34c.uptime;
local_2c = local_30c;
local_54 = &local_398;
local_40 = &local_384;
local_58 = local_197;
local_38 = acStack_36c;
local_4c = &local_390;
local_48 = &local_38c;
local_34 = (char *)&local_35c;
local_3c = acStack_37c;
local_50 = &local_394;
local_5c = 0;
local_60 = 0;
iVar7 = 0;
uVar16 = 0;
switchD_00405920_default:
iVar14 = iVar7;
sysinfo(local_30);
local_384.tv_sec = DAT_0041bc18 - local_34c.uptime;
local_384.tv_usec = 0;
p_Var9 = local_2c;
do {
*p_Var9 = 0;
p_Var9 = p_Var9 + 1;
} while (&_Stack_28c != p_Var9);
if (DAT_0041bc28 == 0) {
LAB_00405848:
if (-1 < (int)DAT_0041bc1c) goto LAB_004056ac;
}
else {
if ((int)DAT_0041bc1c < 0) {
if (DAT_0041bc28 == 1) {
DAT_0041bc1c = listen_socket(0,0x44,PTR_DAT_0041b504);
}
else {
DAT_0041bc1c = raw_socket(DAT_0041b518);
}
if ((int)DAT_0041bc1c < 0) {
FUN_004051c0(0);
goto LAB_00405848;
}
}
LAB_004056ac:
local_54[(DAT_0041bc1c >> 5) + 0x23] =
local_54[(DAT_0041bc1c >> 5) + 0x23] | 1 << (DAT_0041bc1c & 0x1f);
}
local_54[(DAT_0041bc20 >> 5) + 0x23] =
local_54[(DAT_0041bc20 >> 5) + 0x23] | 1 << (DAT_0041bc20 & 0x1f);
iVar7 = iVar14;
if (local_384.tv_sec < 1) {
sysinfo(local_30);
goto LAB_004058ec;
}
uVar23 = DAT_0041bc1c;
if ((int)DAT_0041bc1c < (int)DAT_0041bc20) {
uVar23 = DAT_0041bc20;
}
iVar10 = select(uVar23 + 1,(fd_set *)local_2c,(fd_set *)0x0,(fd_set *)0x0,local_40);
sysinfo(local_30);
lVar4 = local_34c.uptime;
uVar23 = local_34c.uptime;
if (iVar10 == 0) goto LAB_004058ec;
if (iVar10 < 1) {
LAB_00405c9c:
if ((iVar10 != -1) || (piVar13 = __errno_location(), *piVar13 != 4))
goto switchD_00405920_default;
LAB_00405cd8:
sVar12 = read(DAT_0041bc20,local_50,4) //possible issue identified - semgrep
if (-1 < sVar12) {
if (local_394 == 0x10) {
FUN_00404fd4();
goto switchD_00405920_default;
}
if (local_394 == 0x11) {
FUN_004050b0();
goto switchD_00405920_default;
}
if (local_394 == 0xf) {
FUN_004050b0();
FUN_004051c0(0);
goto switchD_00405920_default;
}
}
}
else {
if ((DAT_0041bc28 == 0) ||
((local_54[(DAT_0041bc1c >> 5) + 0x23] >> (DAT_0041bc1c & 0x1f) & 1) == 0)) {
if ((local_54[(DAT_0041bc20 >> 5) + 0x23] >> (DAT_0041bc20 & 0x1f) & 1) == 0)
goto LAB_00405c9c;
goto LAB_00405cd8;
}
if (DAT_0041bc28 == 1) {
iVar10 = get_packet(&_Stack_28c);
iVar2 = local_288;
}
else {
iVar10 = get_raw_packet(&_Stack_28c);
iVar2 = local_288;
}
local_288 = iVar2;
if (iVar10 == -1) {
piVar13 = __errno_location();
if (*piVar13 == 4) goto switchD_00405920_caseD_5;
FUN_00404f6c(DAT_0041bc28);
goto switchD_00405920_default;
}
if (iVar10 < 0) goto switchD_00405920_default;
if (iVar2 == iVar14) {
pcVar11 = (char *)get_option(&_Stack_28c,0x35);
__in.s_addr = local_27c.s_addr;
iVar7 = iVar2;
if ((pcVar11 != (char *)0x0) && (DAT_0041bc10 < 7)) {
uVar19 = 1 << (DAT_0041bc10 & 0x1f);
if ((uVar19 & 0x5a) != 0) {
if (*pcVar11 == '\x05') {
if ((DAT_0041bc10 != 1) ||
(iVar10 = arpping(local_27c.s_addr,local_27c.s_addr,&DAT_0041b51c,PTR_DAT_0041b504),
iVar10 != 0)) {
uVar16 = get_option(&_Stack_28c,0x33);
if (uVar16 == 0) {
local_398 = 0xe10;
}
else {
uVar23 = uVar16 + 3 & 3;
uVar19 = uVar16 & 3;
uVar16 = (*(int *)((uVar16 + 3) - uVar23) << (3 - uVar23) * 8 |
uVar16 & 0xffffffffU >> (uVar23 + 1) * 8) & -1 << (4 - uVar19) * 8 |
*(uint *)(uVar16 - uVar19) >> uVar19 * 8;
local_398 = uVar16 << 0x18 | uVar16 >> 0x18 | uVar16 >> 8 & 0xff00 |
(uVar16 & 0xff00) << 8;
}
local_5c = local_398 >> 1;
local_60 = local_398 * 7 >> 3;
pcVar11 = inet_ntoa(DAT_0041bc14);
pcVar11 = strdup(pcVar11) //possible issue identified - semgrep
pcVar17 = inet_ntoa(local_27c);
pcVar17 = strdup(pcVar17) //possible issue identified - semgrep
syslog(0xe5,"DHCP: Client receive ACK from %s, IP=%s, Lease time=%d.",pcVar11,pcVar17,
local_398);
free(pcVar11);
free(pcVar17);
DAT_0041bc18 = lVar4 + local_5c;
DAT_0041bc04.s_addr = local_27c.s_addr;
if (DAT_0041bc10 - 3 < 2) {
pcVar11 = "renew";
}
else {
pcVar11 = "bound";
}
run_script(&_Stack_28c,pcVar11);
DAT_0041bc10 = 2;
FUN_00404f6c(0);
if (DAT_0041b501 != '\0') {
FUN_004051c0(0);
}
uVar16 = lVar4;
if (client_config == '\0') {
FUN_00404f00();
}
goto switchD_00405920_default;
}
pcVar11 = inet_ntoa(__in);
syslog(0xe5,"DHCP: Client receive ACK, but the address (%s) is used by another host.",
pcVar11);
send_decline(iVar14,DAT_0041bc14.s_addr,__in.s_addr);
DAT_0041bc18 = lVar4;
DAT_0041bc10 = 0;
DAT_0041bc04.s_addr = 0;
DAT_0041bc08 = 0;
}
else {
if ((*pcVar11 != '\x06') || (uVar23 = get_option(&_Stack_28c,0x36), uVar23 == 0))
goto switchD_00405920_default;
uVar19 = uVar23 + 3 & 3;
uVar1 = uVar23 & 3;
uVar23 = (*(int *)((uVar23 + 3) - uVar19) << (3 - uVar19) * 8 |
uVar23 & 0xffffffffU >> (uVar19 + 1) * 8) & -1 << (4 - uVar1) * 8 |
*(uint *)(uVar23 - uVar1) >> uVar1 * 8;
*local_44 = uVar23;
if (uVar23 != DAT_0041bc14.s_addr) goto switchD_00405920_default;
syslog(0xe5,"DHCP: Client receive NAK.");
run_script(&_Stack_28c,&DAT_0040a510);
if (DAT_0041bc10 != 1) {
run_script(0,"deconfig");
}
DAT_0041bc18 = lVar4;
DAT_0041bc10 = 0;
DAT_0041bc04.s_addr = 0;
DAT_0041bc08 = 0;
FUN_00404f6c(2);
}
sleep(3);
goto switchD_00405920_default;
}
if ((((uVar19 & 1) != 0) && (*pcVar11 == '\x02')) &&
(piVar15 = (in_addr_t *)get_option(&_Stack_28c,0x36), piVar15 != (in_addr_t *)0x0)) {
if (local_64 != 0) {
puts("yes");
uVar8 = local_35c;
uVar5 = local_358;
uVar6 = local_354;
if (local_68 != 0) {
local_35c = 0x2e302e30;
local_354 = 0x30;
local_358 = 0x35322e30;
local_352 = 0;
local_350 = 0;
local_34e = 0;
DAT_0041bc14.s_addr = *piVar15;
uVar8 = 0x2e302e30;
uVar5 = 0x35322e30;
uVar6 = 0x30;
if (DAT_0041b675 != '\0') {
iVar7 = 1;
pbVar20 = local_58;
do {
if ((pbVar20[-5] == 1) && (pbVar20[-4] == 4)) {
sprintf(local_38,"%d.%d.%d.%d",(uint)pbVar20[-3],(uint)pbVar20[-2],
(uint)pbVar20[-1],(uint)*pbVar20) //possible issue identified - semgrep
if (pbVar20[-3] != 0) {
if (pbVar20[-2] == 0) {
if ((pbVar20[-1] == 0) && (*pbVar20 == 0)) {
printf("%d\n",8);
}
}
else if (pbVar20[-1] == 0) {
if (*pbVar20 == 0) {
printf("%d\n",0x10);
}
}
else if (*pbVar20 == 0) {
printf("%d\n",0x18);
}
else {
printf("%d\n",0x20);
}
}
local_4c->s_addr = 0;
inet_aton(local_38,local_4c);
local_48->s_addr = 0;
inet_aton(local_34,local_48);
DAT_0041bc0c = local_27c.s_addr;
pcVar11 = inet_ntoa((in_addr)(local_27c.s_addr & local_390.s_addr |
local_38c.s_addr));
strcpy(local_3c,pcVar11) //possible issue identified - semgrep
puts(local_3c);
}
iVar14 = iVar7 * 0x16;
iVar7 = iVar7 + 1;
pbVar20 = pbVar20 + 1;
uVar8 = local_35c;
uVar5 = local_358;
uVar6 = local_354;
} while ((&DAT_0041b675)[iVar14] != '\0');
}
}
local_354 = uVar6;
local_358 = uVar5;
local_35c = uVar8;
FUN_004051c0(0);
}
iVar7 = local_288;
DAT_0041bc14.s_addr = *piVar15;
DAT_0041bc04.s_addr = local_27c.s_addr;
pcVar11 = inet_ntoa(DAT_0041bc14);
syslog(0xe5,"DHCP: Client receive OFFER from %s.",pcVar11);
DAT_0041bc10 = 1;
DAT_0041bc08 = 0;
DAT_0041bc18 = uVar23;
}
}
goto switchD_00405920_default;
}
}
goto switchD_00405920_caseD_5;
switchD_004053b8_caseD_76:
printf("udhcpcd, version %s\n\n","0.9.8");
FUN_004051c0(0);
goto LAB_0040533c;
LAB_004058ec:
lVar4 = local_34c.uptime;
switch(DAT_0041bc10) {
case 0:
if ((int)DAT_0041bc08 < DAT_0041b528) {
if (DAT_0041bc08 == 0) {
iVar14 = random_xid();
}
send_discover(iVar14,DAT_0041bc04.s_addr);
syslog(0xe5,"DHCP: Client send DISCOVER.");
DAT_0041bc18 = DAT_0041b524 << (DAT_0041bc08 & 0x1f);
if (0x40 < DAT_0041bc18) {
DAT_0041bc18 = 0x40;
}
DAT_0041bc18 = lVar4 + DAT_0041bc18;
DAT_0041bc08 = DAT_0041bc08 + 1;
iVar7 = iVar14;
}
else {
if (local_64 != 0) {
puts("no");
FUN_004051c0(1);
}
if (DAT_0041b503 == '\0') {
if (DAT_0041b502 != '\0') {
FUN_004051c0(1);
}
}
else {
FUN_00404f00();
}
DAT_0041bc08 = 0;
if (DAT_0041b52c == 0) {
FUN_004051c0(1);
}
DAT_0041bc18 = DAT_0041b52c + lVar4;
}
goto switchD_00405920_default;
case 1:
case 6:
if ((int)DAT_0041bc08 < DAT_0041b528) {
if (DAT_0041bc10 == 6) {
send_renew(iVar14,DAT_0041bc14.s_addr,DAT_0041bc04.s_addr);
}
else {
send_selecting(iVar14,DAT_0041bc14.s_addr,DAT_0041bc04.s_addr);
}
pcVar11 = inet_ntoa(DAT_0041bc04);
pcVar11 = strdup(pcVar11) //possible issue identified - semgrep
pcVar17 = inet_ntoa(DAT_0041bc14);
pcVar17 = strdup(pcVar17) //possible issue identified - semgrep
syslog(0xe5,"DHCP: Client send REQUEST, Request IP %s from %s.",pcVar11,pcVar17);
free(pcVar11);
free(pcVar17);
DAT_0041bc18 = DAT_0041b524 << (DAT_0041bc08 & 0x1f);
if (0x40 < DAT_0041bc18) {
DAT_0041bc18 = 0x40;
}
DAT_0041bc08 = DAT_0041bc08 + 1;
DAT_0041bc18 = lVar4 + DAT_0041bc18;
goto switchD_00405920_default;
}
if (DAT_0041bc10 == 6) {
run_script(0,"deconfig");
}
if (DAT_0041b52c == 0) {
FUN_004051c0(1);
}
DAT_0041bc10 = 0;
break;
case 2:
DAT_0041bc10 = 3;
FUN_00404f6c(1);
case 3:
uVar23 = local_60 - local_5c;
if (local_398 / 0x3840 + 1 < uVar23) {
send_renew(iVar14,DAT_0041bc14.s_addr,DAT_0041bc04.s_addr);
local_5c = local_5c + (uVar23 >> 1);
DAT_0041bc18 = local_5c + uVar16;
}
else {
DAT_0041bc10 = 4;
DAT_0041bc18 = lVar4 + uVar23;
}
goto switchD_00405920_default;
case 4:
if (local_398 / 0x3840 + 1 < local_398 - local_60) {
send_renew(iVar14,0,DAT_0041bc04.s_addr);
local_60 = local_60 + (local_398 - local_60 >> 1);
DAT_0041bc18 = local_60 + uVar16;
goto switchD_00405920_default;
}
DAT_0041bc10 = 0;
run_script(0,"deconfig");
break;
case 5:
switchD_00405920_caseD_5:
goto switchD_00405920_default;
case 7:
DAT_0041bc18 = 0x7fffffff;
default:
goto switchD_00405920_default;
}
DAT_0041bc18 = lVar4;
DAT_0041bc08 = 0;
FUN_00404f6c(2);
goto switchD_00405920_default;
}
