tag | line | file | source code |
bprm | 205 | fs/binfmt_aout.c | do_load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) |
bprm | 211 | fs/binfmt_aout.c | unsigned long p = bprm->p; |
bprm | 215 | fs/binfmt_aout.c | ex = *((struct exec *) bprm->buf); /* exec-header */ |
bprm | 219 | fs/binfmt_aout.c | bprm->inode->i_size < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { |
bprm | 233 | fs/binfmt_aout.c | (fd_offset < bprm->inode->i_sb->s_blocksize)) { |
bprm | 250 | fs/binfmt_aout.c | flush_old_exec(bprm); |
bprm | 261 | fs/binfmt_aout.c | current->suid = current->euid = current->fsuid = bprm->e_uid; |
bprm | 262 | fs/binfmt_aout.c | current->sgid = current->egid = current->fsgid = bprm->e_gid; |
bprm | 269 | fs/binfmt_aout.c | read_exec(bprm->inode, fd_offset, (char *) N_TXTADDR(ex), |
bprm | 275 | fs/binfmt_aout.c | read_exec(bprm->inode, 32, (char *) 0, ex.a_text+ex.a_data, 0); |
bprm | 281 | fs/binfmt_aout.c | fd = open_inode(bprm->inode, O_RDONLY); |
bprm | 291 | fs/binfmt_aout.c | read_exec(bprm->inode, fd_offset, |
bprm | 331 | fs/binfmt_aout.c | fd_offset = setup_arg_pages(ex.a_text,bprm->page) - MAX_ARG_PAGES*PAGE_SIZE; |
bprm | 333 | fs/binfmt_aout.c | if (bprm->loader) |
bprm | 334 | fs/binfmt_aout.c | bprm->loader += fd_offset; |
bprm | 335 | fs/binfmt_aout.c | bprm->exec += fd_offset; |
bprm | 337 | fs/binfmt_aout.c | p = (unsigned long)create_tables((char *)p, bprm, |
bprm | 350 | fs/binfmt_aout.c | load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) |
bprm | 355 | fs/binfmt_aout.c | retval = do_load_aout_binary(bprm, regs); |
bprm | 40 | fs/binfmt_elf.c | static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs); |
bprm | 347 | fs/binfmt_elf.c | do_load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) |
bprm | 374 | fs/binfmt_elf.c | elf_ex = *((struct elfhdr *) bprm->buf); /* exec-header */ |
bprm | 386 | fs/binfmt_elf.c | (!bprm->inode->i_op || !bprm->inode->i_op->default_file_ops || |
bprm | 387 | fs/binfmt_elf.c | !bprm->inode->i_op->default_file_ops->mmap)){ |
bprm | 399 | fs/binfmt_elf.c | retval = read_exec(bprm->inode, elf_ex.e_phoff, (char *) elf_phdata, |
bprm | 411 | fs/binfmt_elf.c | elf_exec_fileno = open_inode(bprm->inode, O_RDONLY); |
bprm | 447 | fs/binfmt_elf.c | retval = read_exec(bprm->inode,elf_ppnt->p_offset,elf_interpreter, |
bprm | 466 | fs/binfmt_elf.c | retval = read_exec(interpreter_inode,0,bprm->buf,128, 1); |
bprm | 469 | fs/binfmt_elf.c | interp_ex = *((struct exec *) bprm->buf); /* exec-header */ |
bprm | 470 | fs/binfmt_elf.c | interp_elf_ex = *((struct elfhdr *) bprm->buf); /* exec-header */ |
bprm | 507 | fs/binfmt_elf.c | if (!bprm->sh_bang) { |
bprm | 515 | fs/binfmt_elf.c | bprm->p = copy_strings(1,&passed_p,bprm->page,bprm->p,2); |
bprm | 516 | fs/binfmt_elf.c | bprm->argc++; |
bprm | 519 | fs/binfmt_elf.c | if (!bprm->p) { |
bprm | 529 | fs/binfmt_elf.c | flush_old_exec(bprm); |
bprm | 540 | fs/binfmt_elf.c | bprm->p += setup_arg_pages(0, bprm->page); |
bprm | 541 | fs/binfmt_elf.c | current->mm->start_stack = bprm->p; |
bprm | 634 | fs/binfmt_elf.c | current->executable = bprm->inode; |
bprm | 635 | fs/binfmt_elf.c | bprm->inode->i_count++; |
bprm | 640 | fs/binfmt_elf.c | current->suid = current->euid = current->fsuid = bprm->e_uid; |
bprm | 641 | fs/binfmt_elf.c | current->sgid = current->egid = current->fsgid = bprm->e_gid; |
bprm | 642 | fs/binfmt_elf.c | bprm->p -= MAX_ARG_PAGES*PAGE_SIZE; |
bprm | 643 | fs/binfmt_elf.c | bprm->p = (unsigned long) |
bprm | 644 | fs/binfmt_elf.c | create_elf_tables((char *)bprm->p, |
bprm | 645 | fs/binfmt_elf.c | bprm->argc, |
bprm | 646 | fs/binfmt_elf.c | bprm->envc, |
bprm | 657 | fs/binfmt_elf.c | current->mm->start_stack = bprm->p; |
bprm | 693 | fs/binfmt_elf.c | start_thread(regs, elf_entry, bprm->p); |
bprm | 700 | fs/binfmt_elf.c | load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) |
bprm | 705 | fs/binfmt_elf.c | retval = do_load_elf_binary(bprm, regs); |
bprm | 185 | fs/exec.c | unsigned long * create_tables(char * p, struct linux_binprm * bprm, int ibcs) |
bprm | 190 | fs/exec.c | int argc = bprm->argc; |
bprm | 191 | fs/exec.c | int envc = bprm->envc; |
bprm | 212 | fs/exec.c | if (bprm->loader) { |
bprm | 215 | fs/exec.c | put_user(bprm->loader, --sp); |
bprm | 218 | fs/exec.c | put_user(bprm->exec, --sp); |
bprm | 446 | fs/exec.c | void flush_old_exec(struct linux_binprm * bprm) |
bprm | 454 | fs/exec.c | name = bprm->filename; |
bprm | 469 | fs/exec.c | if (bprm->e_uid != current->euid || bprm->e_gid != current->egid || |
bprm | 470 | fs/exec.c | permission(bprm->inode,MAY_READ)) |
bprm | 493 | fs/exec.c | struct linux_binprm bprm; |
bprm | 503 | fs/exec.c | bprm.p = PAGE_SIZE*MAX_ARG_PAGES-sizeof(void *); |
bprm | 505 | fs/exec.c | bprm.page[i] = 0; |
bprm | 506 | fs/exec.c | retval = open_namei(filename, 0, 0, &bprm.inode, NULL); |
bprm | 509 | fs/exec.c | bprm.filename = filename; |
bprm | 510 | fs/exec.c | bprm.loader = 0; |
bprm | 511 | fs/exec.c | bprm.exec = 0; |
bprm | 512 | fs/exec.c | if ((bprm.argc = count(argv)) < 0) |
bprm | 513 | fs/exec.c | return bprm.argc; |
bprm | 514 | fs/exec.c | if ((bprm.envc = count(envp)) < 0) |
bprm | 515 | fs/exec.c | return bprm.envc; |
bprm | 518 | fs/exec.c | if (!S_ISREG(bprm.inode->i_mode)) { /* must be regular file */ |
bprm | 522 | fs/exec.c | if (IS_NOEXEC(bprm.inode)) { /* FS mustn't be mounted noexec */ |
bprm | 526 | fs/exec.c | if (!bprm.inode->i_sb) { |
bprm | 530 | fs/exec.c | i = bprm.inode->i_mode; |
bprm | 531 | fs/exec.c | if (IS_NOSUID(bprm.inode) && (((i & S_ISUID) && bprm.inode->i_uid != current-> |
bprm | 532 | fs/exec.c | euid) || ((i & S_ISGID) && !in_group_p(bprm.inode->i_gid))) && !suser()) { |
bprm | 538 | fs/exec.c | bprm.e_uid = current->euid; |
bprm | 539 | fs/exec.c | bprm.e_gid = current->egid; |
bprm | 541 | fs/exec.c | bprm.e_uid = (i & S_ISUID) ? bprm.inode->i_uid : current->euid; |
bprm | 542 | fs/exec.c | bprm.e_gid = (i & S_ISGID) ? bprm.inode->i_gid : current->egid; |
bprm | 544 | fs/exec.c | if ((retval = permission(bprm.inode, MAY_EXEC)) != 0) |
bprm | 546 | fs/exec.c | if (!(bprm.inode->i_mode & 0111) && fsuser()) { |
bprm | 551 | fs/exec.c | if (bprm.inode->i_writecount > 0) { |
bprm | 555 | fs/exec.c | memset(bprm.buf,0,sizeof(bprm.buf)); |
bprm | 556 | fs/exec.c | retval = read_exec(bprm.inode,0,bprm.buf,128,1); |
bprm | 559 | fs/exec.c | if ((bprm.buf[0] == '#') && (bprm.buf[1] == '!') && (!sh_bang)) { |
bprm | 567 | fs/exec.c | iput(bprm.inode); |
bprm | 568 | fs/exec.c | bprm.buf[127] = '\0'; |
bprm | 569 | fs/exec.c | if ((cp = strchr(bprm.buf, '\n')) == NULL) |
bprm | 570 | fs/exec.c | cp = bprm.buf+127; |
bprm | 572 | fs/exec.c | while (cp > bprm.buf) { |
bprm | 579 | fs/exec.c | for (cp = bprm.buf+2; (*cp == ' ') || (*cp == '\t'); cp++); |
bprm | 599 | fs/exec.c | bprm.p = copy_strings(bprm.envc, envp, bprm.page, bprm.p, 0); |
bprm | 600 | fs/exec.c | bprm.p = copy_strings(--bprm.argc, argv+1, bprm.page, bprm.p, 0); |
bprm | 610 | fs/exec.c | bprm.p = copy_strings(1, &bprm.filename, bprm.page, bprm.p, 2); |
bprm | 611 | fs/exec.c | bprm.argc++; |
bprm | 613 | fs/exec.c | bprm.p = copy_strings(1, &i_arg, bprm.page, bprm.p, 2); |
bprm | 614 | fs/exec.c | bprm.argc++; |
bprm | 616 | fs/exec.c | bprm.p = copy_strings(1, &i_name, bprm.page, bprm.p, 2); |
bprm | 617 | fs/exec.c | bprm.argc++; |
bprm | 618 | fs/exec.c | if (!bprm.p) { |
bprm | 627 | fs/exec.c | retval = open_namei(interp, 0, 0, &bprm.inode, NULL); |
bprm | 635 | fs/exec.c | struct exec * eh = (struct exec *) bprm.buf; |
bprm | 641 | fs/exec.c | iput(bprm.inode); |
bprm | 643 | fs/exec.c | bprm.p = copy_strings(1, dynloader, bprm.page, bprm.p, 2); |
bprm | 644 | fs/exec.c | bprm.loader = bprm.p; |
bprm | 645 | fs/exec.c | retval = open_namei(dynloader[0], 0, 0, &bprm.inode, NULL); |
bprm | 653 | fs/exec.c | bprm.p = copy_strings(1, &bprm.filename, bprm.page, bprm.p, 2); |
bprm | 654 | fs/exec.c | bprm.exec = bprm.p; |
bprm | 655 | fs/exec.c | bprm.p = copy_strings(bprm.envc,envp,bprm.page,bprm.p,0); |
bprm | 656 | fs/exec.c | bprm.p = copy_strings(bprm.argc,argv,bprm.page,bprm.p,0); |
bprm | 657 | fs/exec.c | if (!bprm.p) { |
bprm | 663 | fs/exec.c | bprm.sh_bang = sh_bang; |
bprm | 669 | fs/exec.c | retval = fn(&bprm, regs); |
bprm | 671 | fs/exec.c | iput(bprm.inode); |
bprm | 684 | fs/exec.c | if (printable(bprm.buf[0]) && |
bprm | 685 | fs/exec.c | printable(bprm.buf[1]) && |
bprm | 686 | fs/exec.c | printable(bprm.buf[2]) && |
bprm | 687 | fs/exec.c | printable(bprm.buf[3])) |
bprm | 689 | fs/exec.c | sprintf(modname, "binfmt-%hd", *(short*)(&bprm.buf)); |
bprm | 695 | fs/exec.c | iput(bprm.inode); |
bprm | 698 | fs/exec.c | free_page(bprm.page[i]); |
bprm | 51 | include/linux/binfmts.h | extern void flush_old_exec(struct linux_binprm * bprm); |
bprm | 53 | include/linux/binfmts.h | extern unsigned long * create_tables(char * p,struct linux_binprm * bprm,int ibcs); |