tag | line | file | source code |
bprm | 25 | fs/binfmt_elf.c | int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) |
bprm | 46 | fs/binfmt_elf.c | elf_ex = *((struct elfhdr *) bprm->buf); /* exec-header */ |
bprm | 56 | fs/binfmt_elf.c | (!bprm->inode->i_op || !bprm->inode->i_op->default_file_ops || |
bprm | 57 | fs/binfmt_elf.c | !bprm->inode->i_op->default_file_ops->mmap)){ |
bprm | 68 | fs/binfmt_elf.c | retval = read_exec(bprm->inode, elf_ex.e_phoff, (char *) elf_phdata, |
bprm | 81 | fs/binfmt_elf.c | elf_exec_fileno = open_inode(bprm->inode, O_RDONLY); |
bprm | 107 | fs/binfmt_elf.c | retval = read_exec(bprm->inode,elf_ppnt->p_offset,elf_interpreter, |
bprm | 113 | fs/binfmt_elf.c | retval = read_exec(interpreter_inode,0,bprm->buf,128); |
bprm | 116 | fs/binfmt_elf.c | ex = *((struct exec *) bprm->buf); /* exec-header */ |
bprm | 145 | fs/binfmt_elf.c | if (!bprm->sh_bang) { |
bprm | 152 | fs/binfmt_elf.c | bprm->p = copy_strings(1,&passed_p,bprm->page,bprm->p,2); |
bprm | 153 | fs/binfmt_elf.c | bprm->argc++; |
bprm | 155 | fs/binfmt_elf.c | if (!bprm->p) { |
bprm | 165 | fs/binfmt_elf.c | flush_old_exec(bprm); |
bprm | 176 | fs/binfmt_elf.c | bprm->p += change_ldt(0, bprm->page); |
bprm | 177 | fs/binfmt_elf.c | current->start_stack = bprm->p; |
bprm | 267 | fs/binfmt_elf.c | current->executable = bprm->inode; |
bprm | 268 | fs/binfmt_elf.c | bprm->inode->i_count++; |
bprm | 272 | fs/binfmt_elf.c | bprm->p -= MAX_ARG_PAGES*PAGE_SIZE; |
bprm | 273 | fs/binfmt_elf.c | bprm->p = (unsigned long) create_tables((char *)bprm->p,bprm->argc,bprm->envc); |
bprm | 278 | fs/binfmt_elf.c | current->start_stack = bprm->p; |
bprm | 279 | fs/binfmt_elf.c | current->suid = current->euid = bprm->e_uid; |
bprm | 280 | fs/binfmt_elf.c | current->sgid = current->egid = bprm->e_gid; |
bprm | 284 | fs/binfmt_elf.c | regs->esp = bprm->p; /* stack pointer */ |
bprm | 436 | fs/exec.c | void flush_old_exec(struct linux_binprm * bprm) |
bprm | 444 | fs/exec.c | name = bprm->filename; |
bprm | 484 | fs/exec.c | if (bprm->e_uid != current->euid || bprm->e_gid != current->egid || |
bprm | 485 | fs/exec.c | !permission(bprm->inode,MAY_READ)) |
bprm | 510 | fs/exec.c | struct linux_binprm bprm; |
bprm | 519 | fs/exec.c | bprm.p = PAGE_SIZE*MAX_ARG_PAGES-4; |
bprm | 521 | fs/exec.c | bprm.page[i] = 0; |
bprm | 522 | fs/exec.c | retval = open_namei(filename, 0, 0, &bprm.inode, NULL); |
bprm | 525 | fs/exec.c | bprm.filename = filename; |
bprm | 526 | fs/exec.c | bprm.argc = count(argv); |
bprm | 527 | fs/exec.c | bprm.envc = count(envp); |
bprm | 530 | fs/exec.c | if (!S_ISREG(bprm.inode->i_mode)) { /* must be regular file */ |
bprm | 534 | fs/exec.c | if (IS_NOEXEC(bprm.inode)) { /* FS mustn't be mounted noexec */ |
bprm | 538 | fs/exec.c | if (!bprm.inode->i_sb) { |
bprm | 542 | fs/exec.c | i = bprm.inode->i_mode; |
bprm | 543 | fs/exec.c | if (IS_NOSUID(bprm.inode) && (((i & S_ISUID) && bprm.inode->i_uid != current-> |
bprm | 544 | fs/exec.c | euid) || ((i & S_ISGID) && !in_group_p(bprm.inode->i_gid))) && |
bprm | 551 | fs/exec.c | bprm.e_uid = current->euid; |
bprm | 552 | fs/exec.c | bprm.e_gid = current->egid; |
bprm | 554 | fs/exec.c | bprm.e_uid = (i & S_ISUID) ? bprm.inode->i_uid : current->euid; |
bprm | 555 | fs/exec.c | bprm.e_gid = (i & S_ISGID) ? bprm.inode->i_gid : current->egid; |
bprm | 557 | fs/exec.c | if (current->euid == bprm.inode->i_uid) |
bprm | 559 | fs/exec.c | else if (in_group_p(bprm.inode->i_gid)) |
bprm | 562 | fs/exec.c | !((bprm.inode->i_mode & 0111) && suser())) { |
bprm | 566 | fs/exec.c | memset(bprm.buf,0,sizeof(bprm.buf)); |
bprm | 569 | fs/exec.c | retval = read_exec(bprm.inode,0,bprm.buf,128); |
bprm | 573 | fs/exec.c | if ((bprm.buf[0] == '#') && (bprm.buf[1] == '!') && (!sh_bang)) { |
bprm | 581 | fs/exec.c | iput(bprm.inode); |
bprm | 582 | fs/exec.c | bprm.buf[127] = '\0'; |
bprm | 583 | fs/exec.c | if ((cp = strchr(bprm.buf, '\n')) == NULL) |
bprm | 584 | fs/exec.c | cp = bprm.buf+127; |
bprm | 586 | fs/exec.c | while (cp > bprm.buf) { |
bprm | 593 | fs/exec.c | for (cp = bprm.buf+2; (*cp == ' ') || (*cp == '\t'); cp++); |
bprm | 613 | fs/exec.c | bprm.p = copy_strings(bprm.envc, envp, bprm.page, bprm.p, 0); |
bprm | 614 | fs/exec.c | bprm.p = copy_strings(--bprm.argc, argv+1, bprm.page, bprm.p, 0); |
bprm | 624 | fs/exec.c | bprm.p = copy_strings(1, &bprm.filename, bprm.page, bprm.p, 2); |
bprm | 625 | fs/exec.c | bprm.argc++; |
bprm | 627 | fs/exec.c | bprm.p = copy_strings(1, &i_arg, bprm.page, bprm.p, 2); |
bprm | 628 | fs/exec.c | bprm.argc++; |
bprm | 630 | fs/exec.c | bprm.p = copy_strings(1, &i_name, bprm.page, bprm.p, 2); |
bprm | 631 | fs/exec.c | bprm.argc++; |
bprm | 632 | fs/exec.c | if (!bprm.p) { |
bprm | 641 | fs/exec.c | retval = open_namei(interp, 0, 0, &bprm.inode, NULL); |
bprm | 647 | fs/exec.c | bprm.p = copy_strings(bprm.envc,envp,bprm.page,bprm.p,0); |
bprm | 648 | fs/exec.c | bprm.p = copy_strings(bprm.argc,argv,bprm.page,bprm.p,0); |
bprm | 649 | fs/exec.c | if (!bprm.p) { |
bprm | 655 | fs/exec.c | bprm.sh_bang = sh_bang; |
bprm | 661 | fs/exec.c | retval = fn(&bprm, regs); |
bprm | 663 | fs/exec.c | iput(bprm.inode); |
bprm | 669 | fs/exec.c | iput(bprm.inode); |
bprm | 672 | fs/exec.c | free_page(bprm.page[i]); |
bprm | 719 | fs/exec.c | int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) |
bprm | 724 | fs/exec.c | unsigned long p = bprm->p; |
bprm | 726 | fs/exec.c | ex = *((struct exec *) bprm->buf); /* exec-header */ |
bprm | 730 | fs/exec.c | bprm->inode->i_size < ex.a_text+ex.a_data+ex.a_syms+N_TXTOFF(ex)) { |
bprm | 735 | fs/exec.c | (N_TXTOFF(ex) < bprm->inode->i_sb->s_blocksize)) { |
bprm | 746 | fs/exec.c | flush_old_exec(bprm); |
bprm | 754 | fs/exec.c | current->suid = current->euid = bprm->e_uid; |
bprm | 757 | fs/exec.c | current->sgid = current->egid = bprm->e_gid; |
bprm | 759 | fs/exec.c | read_exec(bprm->inode, 32, (char *) 0, ex.a_text+ex.a_data); |
bprm | 764 | fs/exec.c | fd = open_inode(bprm->inode, O_RDONLY); |
bprm | 771 | fs/exec.c | read_exec(bprm->inode, N_TXTOFF(ex), |
bprm | 793 | fs/exec.c | current->executable = bprm->inode; |
bprm | 794 | fs/exec.c | bprm->inode->i_count++; |
bprm | 798 | fs/exec.c | p += change_ldt(ex.a_text,bprm->page); |
bprm | 800 | fs/exec.c | p = (unsigned long) create_tables((char *)p,bprm->argc,bprm->envc); |
bprm | 42 | include/linux/binfmts.h | extern void flush_old_exec(struct linux_binprm * bprm); |