taglinefilesource code
bprm51fs/binfmt_elf.cstatic int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs);
bprm355fs/binfmt_elf.cload_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs)
bprm384fs/binfmt_elf.celf_ex = *((struct elfhdr *) bprm->buf);    /* exec-header */
bprm397fs/binfmt_elf.c(!bprm->inode->i_op || !bprm->inode->i_op->default_file_ops ||
bprm398fs/binfmt_elf.c!bprm->inode->i_op->default_file_ops->mmap)){
bprm412fs/binfmt_elf.cretval = read_exec(bprm->inode, elf_ex.e_phoff, (char *) elf_phdata,
bprm425fs/binfmt_elf.celf_exec_fileno = open_inode(bprm->inode, O_RDONLY);
bprm464fs/binfmt_elf.cretval = read_exec(bprm->inode,elf_ppnt->p_offset,elf_interpreter,
bprm483fs/binfmt_elf.cretval = read_exec(interpreter_inode,0,bprm->buf,128, 1);
bprm486fs/binfmt_elf.cinterp_ex = *((struct exec *) bprm->buf);    /* exec-header */
bprm487fs/binfmt_elf.cinterp_elf_ex = *((struct elfhdr *) bprm->buf);    /* exec-header */
bprm526fs/binfmt_elf.cif (!bprm->sh_bang) {
bprm534fs/binfmt_elf.cbprm->p = copy_strings(1,&passed_p,bprm->page,bprm->p,2);
bprm535fs/binfmt_elf.cbprm->argc++;
bprm538fs/binfmt_elf.cif (!bprm->p) {
bprm549fs/binfmt_elf.cflush_old_exec(bprm);
bprm560fs/binfmt_elf.cbprm->p += setup_arg_pages(0, bprm->page);
bprm561fs/binfmt_elf.ccurrent->mm->start_stack = bprm->p;
bprm655fs/binfmt_elf.ccurrent->executable = bprm->inode;
bprm656fs/binfmt_elf.cbprm->inode->i_count++;
bprm661fs/binfmt_elf.ccurrent->suid = current->euid = current->fsuid = bprm->e_uid;
bprm662fs/binfmt_elf.ccurrent->sgid = current->egid = current->fsgid = bprm->e_gid;
bprm663fs/binfmt_elf.cbprm->p -= MAX_ARG_PAGES*PAGE_SIZE;
bprm664fs/binfmt_elf.cbprm->p = (unsigned long) 
bprm665fs/binfmt_elf.ccreate_elf_tables((char *)bprm->p,
bprm666fs/binfmt_elf.cbprm->argc,
bprm667fs/binfmt_elf.cbprm->envc,
bprm678fs/binfmt_elf.ccurrent->mm->start_stack = bprm->p;
bprm715fs/binfmt_elf.cstart_thread(regs, elf_entry, bprm->p);
bprm310fs/exec.cunsigned long * create_tables(char * p, struct linux_binprm * bprm, int ibcs)
bprm315fs/exec.cint argc = bprm->argc;
bprm316fs/exec.cint envc = bprm->envc;
bprm336fs/exec.cif (bprm->loader) {
bprm339fs/exec.cput_user(bprm->loader, --sp);
bprm342fs/exec.cput_user(bprm->exec, --sp);
bprm560fs/exec.cvoid flush_old_exec(struct linux_binprm * bprm)
bprm568fs/exec.cname = bprm->filename;
bprm583fs/exec.cif (bprm->e_uid != current->euid || bprm->e_gid != current->egid || 
bprm584fs/exec.cpermission(bprm->inode,MAY_READ))
bprm607fs/exec.cstruct linux_binprm bprm;
bprm616fs/exec.cbprm.p = PAGE_SIZE*MAX_ARG_PAGES-sizeof(void *);
bprm618fs/exec.cbprm.page[i] = 0;
bprm619fs/exec.cretval = open_namei(filename, 0, 0, &bprm.inode, NULL);
bprm622fs/exec.cbprm.filename = filename;
bprm623fs/exec.cbprm.loader = 0;
bprm624fs/exec.cbprm.exec = 0;
bprm625fs/exec.cif ((bprm.argc = count(argv)) < 0)
bprm626fs/exec.creturn bprm.argc;
bprm627fs/exec.cif ((bprm.envc = count(envp)) < 0)
bprm628fs/exec.creturn bprm.envc;
bprm631fs/exec.cif (!S_ISREG(bprm.inode->i_mode)) {  /* must be regular file */
bprm635fs/exec.cif (IS_NOEXEC(bprm.inode)) {    /* FS mustn't be mounted noexec */
bprm639fs/exec.cif (!bprm.inode->i_sb) {
bprm643fs/exec.ci = bprm.inode->i_mode;
bprm644fs/exec.cif (IS_NOSUID(bprm.inode) && (((i & S_ISUID) && bprm.inode->i_uid != current->
bprm645fs/exec.ceuid) || ((i & S_ISGID) && !in_group_p(bprm.inode->i_gid))) && !suser()) {
bprm651fs/exec.cbprm.e_uid = current->euid;
bprm652fs/exec.cbprm.e_gid = current->egid;
bprm654fs/exec.cbprm.e_uid = (i & S_ISUID) ? bprm.inode->i_uid : current->euid;
bprm655fs/exec.cbprm.e_gid = (i & S_ISGID) ? bprm.inode->i_gid : current->egid;
bprm657fs/exec.cif ((retval = permission(bprm.inode, MAY_EXEC)) != 0)
bprm659fs/exec.cif (!(bprm.inode->i_mode & 0111) && fsuser()) {
bprm664fs/exec.cif (bprm.inode->i_wcount > 0) {
bprm668fs/exec.cmemset(bprm.buf,0,sizeof(bprm.buf));
bprm669fs/exec.cretval = read_exec(bprm.inode,0,bprm.buf,128,1);
bprm672fs/exec.cif ((bprm.buf[0] == '#') && (bprm.buf[1] == '!') && (!sh_bang)) {
bprm680fs/exec.ciput(bprm.inode);
bprm681fs/exec.cbprm.buf[127] = '\0';
bprm682fs/exec.cif ((cp = strchr(bprm.buf, '\n')) == NULL)
bprm683fs/exec.ccp = bprm.buf+127;
bprm685fs/exec.cwhile (cp > bprm.buf) {
bprm692fs/exec.cfor (cp = bprm.buf+2; (*cp == ' ') || (*cp == '\t'); cp++);
bprm712fs/exec.cbprm.p = copy_strings(bprm.envc, envp, bprm.page, bprm.p, 0);
bprm713fs/exec.cbprm.p = copy_strings(--bprm.argc, argv+1, bprm.page, bprm.p, 0);
bprm723fs/exec.cbprm.p = copy_strings(1, &bprm.filename, bprm.page, bprm.p, 2);
bprm724fs/exec.cbprm.argc++;
bprm726fs/exec.cbprm.p = copy_strings(1, &i_arg, bprm.page, bprm.p, 2);
bprm727fs/exec.cbprm.argc++;
bprm729fs/exec.cbprm.p = copy_strings(1, &i_name, bprm.page, bprm.p, 2);
bprm730fs/exec.cbprm.argc++;
bprm731fs/exec.cif (!bprm.p) {
bprm740fs/exec.cretval = open_namei(interp, 0, 0, &bprm.inode, NULL);
bprm747fs/exec.cif (!loader && (((struct exec *) bprm.buf)->fh.f_flags & 0x3000)) {
bprm749fs/exec.ciput(bprm.inode);
bprm751fs/exec.cbprm.p = copy_strings(1, dynloader, bprm.page, bprm.p, 2);
bprm752fs/exec.cbprm.loader = bprm.p;
bprm753fs/exec.cretval = open_namei(dynloader[0], 0, 0, &bprm.inode, NULL);
bprm760fs/exec.cbprm.p = copy_strings(1, &bprm.filename, bprm.page, bprm.p, 2);
bprm761fs/exec.cbprm.exec = bprm.p;
bprm762fs/exec.cbprm.p = copy_strings(bprm.envc,envp,bprm.page,bprm.p,0);
bprm763fs/exec.cbprm.p = copy_strings(bprm.argc,argv,bprm.page,bprm.p,0);
bprm764fs/exec.cif (!bprm.p) {
bprm770fs/exec.cbprm.sh_bang = sh_bang;
bprm775fs/exec.cretval = fn(&bprm, regs);
bprm777fs/exec.ciput(bprm.inode);
bprm785fs/exec.ciput(bprm.inode);
bprm788fs/exec.cfree_page(bprm.page[i]);
bprm808fs/exec.cstatic int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
bprm814fs/exec.cunsigned long p = bprm->p;
bprm817fs/exec.cex = *((struct exec *) bprm->buf);    /* exec-header */
bprm821fs/exec.cbprm->inode->i_size < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
bprm835fs/exec.c(fd_offset < bprm->inode->i_sb->s_blocksize)) {
bprm842fs/exec.cflush_old_exec(bprm);
bprm853fs/exec.ccurrent->suid = current->euid = current->fsuid = bprm->e_uid;
bprm854fs/exec.ccurrent->sgid = current->egid = current->fsgid = bprm->e_gid;
bprm859fs/exec.cread_exec(bprm->inode, 32, (char *) 0, ex.a_text+ex.a_data, 0);
bprm864fs/exec.cfd = open_inode(bprm->inode, O_RDONLY);
bprm874fs/exec.cread_exec(bprm->inode, fd_offset,
bprm914fs/exec.cfd_offset = setup_arg_pages(ex.a_text,bprm->page) - MAX_ARG_PAGES*PAGE_SIZE;
bprm916fs/exec.cif (bprm->loader)
bprm917fs/exec.cbprm->loader += fd_offset;
bprm918fs/exec.cbprm->exec += fd_offset;
bprm920fs/exec.cp = (unsigned long)create_tables((char *)p, bprm,
bprm49include/linux/binfmts.hextern void flush_old_exec(struct linux_binprm * bprm);
bprm51include/linux/binfmts.hextern unsigned long * create_tables(char * p,struct linux_binprm * bprm,int ibcs);