int evtLogon(struct pgEvent *evt){
picosmUI *interface = (picosmUI *)evt->extra;
char *login, *loginT, *passwd, *passwdT, *passwdSys, *salt = NULL, *rcPath;
char *args[3];
struct passwd *userData;
struct spwd *sUserData;
loginT = pgGetString(pgGetWidget(interface->wLogin,PG_WP_TEXT));
login = (char *)malloc(strlen(loginT));
strcpy(login, loginT);
passwdT = pgGetString(pgGetWidget(interface->wPasswd,PG_WP_TEXT));
passwd = (char *)malloc(strlen(passwdT));
strcpy(passwd, passwdT);
if((userData = getpwnam(login)) != NULL){
if((sUserData = getspnam(login)) != NULL){
passwdSys = sUserData->sp_pwdp;
}else{
passwdSys = userData->pw_passwd;
}
if(passwdSys[0] == '$'){
salt = (char *)malloc(13);
strncpy(salt, passwdSys, 12);
}else{
salt = (char *)malloc(3);
strncpy(salt, passwdSys, 2);
}
if(!strcmp(passwdSys, (char *)crypt(passwd, salt))){
if(!fork()){
setuid(userData->pw_uid);
rcPath = (char *)malloc(strlen(userData->pw_dir)+
strlen("/.picoguirc"));
sprintf(rcPath, "%s/.picoguirc", userData->pw_dir);
printf("%s\n", rcPath);
args[0] = "/bin/sh";
args[1] = rcPath;
args[2] = NULL;
execve("/bin/sh", args, NULL);
}else{
exit(0);
}
}
}
pgMessageDialog("Error", "Login failed!", 0);
evtClear(evt);
if(salt)
free(salt);
free(login);
free(passwd);
return 1;
}
void
clear_eis (EIS * n)
{
int i;
for (i = 0; i < n->num_events; i++)
{
evtClear (&(n->events[i]));
}
if (n->num_events)
utlFAN (n->events);
memset (n, 0, sizeof (EIS));
}
int
parse_eis (uint8_t * eis, EIS * p)
{
uint16_t section_length;
uint16_t svid;
uint16_t onid;
uint16_t tsid;
uint32_t crc;
uint8_t version_number;
uint8_t current_next;
uint8_t section_number;
uint8_t last_section_number;
uint8_t segment_last_section_number;
uint8_t last_table_id;
SizeStack s;
uint8_t *ptr;
int i, j, k;
if (sizeStackInit (&s, eis) || sizeStackPush (&s, MAX_SEC_SIZE)) //maximum section size
return 1;
if (sizeStackAdvance (&s, 1, 2))
return 1;
ptr = sizeStackPtr (&s);
section_length = bitsGet (ptr, 0, 4, 12);
if (sizeStackAdvance (&s, 2, 1))
return 1;
if (sizeStackPush (&s, section_length))
return 1;
if (sizeStackAdvance (&s, 0, 11))
return 1;
ptr = sizeStackPtr (&s);
svid = bitsGet (ptr, 0, 0, 16);
version_number = bitsGet (ptr, 2, 2, 5);
current_next = bitsGet (ptr, 2, 7, 1);
section_number = ptr[3];
last_section_number = ptr[4];
tsid = bitsGet (ptr, 5, 0, 16);
onid = bitsGet (ptr, 7, 0, 16);
segment_last_section_number = ptr[9];
last_table_id = ptr[10];
debugPri (1,
"EIS: svid: %u, tsid: %u, onid: %u, slast: %u lastid: %u ver: %u, cur/nxt: %u, secnr: %u, lastnr: %u\n",
svid, tsid, onid, segment_last_section_number, last_table_id,
version_number, current_next, section_number,
last_section_number);
if (sizeStackAdvance (&s, 11, 0))
return 1;
ptr = sizeStackPtr (&s);
section_length -= 11 + 4; //header+crc
//count number of event blocks
p->num_events = 0;
i = section_length;
j = 0;
k = 0;
while (i > 0)
{
j += 10;
k = bitsGet (ptr, j, 4, 12) + 2; //descriptor_loop_length
j += k;
i -= 10;
i -= k;
p->num_events++;
}
if (!p->num_events)
{
debugPri (1, "num_events=0\n");
p->events = NULL;
return 1;
}
p->events = utlCalloc (p->num_events, sizeof (EVT));
if (!p->events)
return 1;
i = 0;
while (p->num_events > i)
{
if (get_event (&s, &(p->events[i])))
{
while (i--)
{
evtClear (&(p->events[i]));
}
utlFAN (p->events);
return 1;
}
i++;
}
sizeStackPop (&s);
if (sizeStackAdvance (&s, 0, 4))
{
while (i--)
{
evtClear (&(p->events[i]));
}
utlFAN (p->events);
debugPri (1, "bound error\n");
return 1;
}
ptr = sizeStackPtr (&s);
crc = bitsGet (ptr, 0, 0, 32);
debugPri (1, "CRC: 0x%X\n", crc);
sizeStackPop (&s);
p->svc_id = svid;
p->onid = onid;
p->tsid = tsid;
p->segment_last_section_number = segment_last_section_number;
p->last_table_id = last_table_id;
p->type = eis[0];
p->c.version = version_number;
p->c.current = current_next;
p->c.section = section_number;
p->c.last_section = last_section_number;
return 0;
}