+++ /dev/null
-/*
- * Copyright (c) 2002 Michal Moskal <malekith@pld-linux.org>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by Michal Moskal.
- * 4. Neither the name of the author nor the names of any co-contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY MICHAL MOSKAL AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/*
- * Usage
- * ~~~~~
- *
- * This simple program is aimed to be used as script interpreter in rpm
- * %post scriptlets and the like. It opens file passed as first argument
- * and executes commands found there. Only linear execution is supported.
- * For example, in glibc.spec:
- *
- * %post -p /sbin/postshell
- * ldconfig
- * -telinit q
- *
- * (full patch like /sbin/ldconfig or -/sbin/tellinit will also work).
- *
- * If command starts with - its exit status is ignored. Otherwise last
- * non-zero exit status is returned.
- *
- * There are no builtin commands (yet :).
- *
- * Following commands *will* work as expected (as in Bourne shell):
- *
- * /bin/echo "Foo bar baz"
- * insmod foobar options="foo bar 'qux'"
- * false
- *
- * Following *won't*:
- *
- * exit 1
- * echo foo || echo baz
- * set -x
- *
- * Patches and bugreports are welcome, direct them to Michal Moskal
- * <malekith@pld-linux.org>.
- */
-
-#define _GNU_SOURCE
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-
-#define MAX_LINE 1024
-#define MAX_ARGS 32
-#define SEARCH_PATH { "/sbin/", "/bin/", "/usr/sbin/", "/usr/bin/", NULL }
-
-int exit_status;
-int ignore_status;
-
-void do_execve(char **argv)
-{
- char *path[] = SEARCH_PATH;
- char file[MAX_LINE + 100];
- int i;
-
- if (**argv == '.' || **argv == '/')
- execve(argv[0], argv, environ);
- else
- for (i = 0; path[i]; i++) {
- strcpy(file, path[i]);
- strcat(file, argv[0]);
- execve(file, argv, environ);
- }
-}
-
-int exec_and_wait(char **argv)
-{
- pid_t pid;
-
- pid = fork();
-
- if (pid == -1) {
- perror("fork");
- return -1;
- } else if (pid == 0) {
- /* child. */
- do_execve(argv);
- if (!ignore_status)
- perror(argv[0]);
- exit(127);
- } else {
- int status, err;
-
- err = waitpid(pid, &status, 0);
- if (err < 0) {
- perror("waitpid");
- return -1;
- } else
- return WEXITSTATUS(status);
- }
-}
-
-void split_argv(char **argv, char *s)
-{
- char *dst;
- int argc, delim;
-
- for (argc = 0; argc < MAX_ARGS; argc++) {
- while (*s == ' ' || *s == '\t')
- s++;
-
- if (*s == 0)
- break;
-
- argv[argc] = s;
- dst = s;
-
- while (*s && *s != ' ' && *s != '\t') {
- if (*s == '\'' || *s == '"') {
- delim = *s++;
- while (*s && *s != delim)
- *dst++ = *s++;
- if (*s)
- s++;
- } else {
- *dst++ = *s++;
- }
- }
-
- if (*dst) {
- if (s == dst)
- s++;
- *dst++ = 0;
- }
- }
-
- argv[argc] = NULL;
-}
-
-void exec_line(char *s)
-{
- char *argv[MAX_ARGS + 1];
- int ret;
-
- split_argv(argv, s);
-
- ignore_status = 0;
-
- if (**argv == '-') {
- ignore_status++;
- (*argv)++;
- }
-
- ret = exec_and_wait(argv);
-
- if (ret && !ignore_status)
- exit_status = ret;
-}
-
-void exec_file(int fd)
-{
- char line[MAX_LINE];
- struct stat sbuf;
- char *p, *s, *a;
-
- if (fstat(fd, &sbuf) < 0) {
- perror("fstat()");
- exit(1);
- }
-
- if ((p = mmap(0, sbuf.st_size, PROT_READ, MAP_PRIVATE, fd, 0)) < 0) {
- perror("mmap()");
- exit(1);
- }
-
- for (a = s = p; s < p + sbuf.st_size; s++) {
- if (*s == '\n') {
- memcpy(line, a, s - a);
- line[s - a] = '\0';
- exec_line(line);
- a = ++s;
- }
- }
-
- // last line was not terminated.
- if (s == p + sbuf.st_size) {
- memcpy(line, a, s - a);
- line[s - a] = '\0';
- exec_line(line);
- }
-
- if (munmap(p, sbuf.st_size) < 0) {
- perror("munmap()");
- exit(1);
- }
-}
-
-#define error(msg) write(2, msg, strlen(msg))
-int main(int argc, char **argv)
-{
- int fd;
-
- if (argc < 2) {
- error("USAGE: ");
- error(argv[0]);
- error(" filename\n");
- exit(1);
- }
-
- fd = open(argv[1], O_RDONLY);
-
- if (fd == -1) {
- perror(argv[1]);
- exit(1);
- }
-
- exec_file(fd);
- close(fd);
- exit(exit_status);
-}
+++ /dev/null
-/*
- * $Id$
- * adds devmode and devgid to usbfs in fstab
- *
- */
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <signal.h>
-
-void eputs(const char *msg)
-{
- write(2, msg, strlen(msg));
-}
-
-int main()
-{
- char *name = "/etc/fstab";
- char *backup_name = "/etc/fstab.bak";
- char *add = ",devgid=78,devmode=0664";
-
- char *old;
- int i, fd;
- int old_sz;
- struct stat st;
-
- eputs("Updating /etc/fstab...");
- fd = open(name, O_RDONLY);
- if (fd < 0) {
- eputs("\nError: can't open file\n");
- return 1;
- }
- fstat(fd, &st);
- old = (char *) malloc(st.st_size);
- if (old == NULL) {
- eputs("\nError: malloc failure\n");
- return 1;
- }
- read(fd, old, st.st_size);
- close(fd);
- old_sz = st.st_size;
-
- fd = open(backup_name, O_WRONLY|O_CREAT|O_TRUNC, 0600);
- if (fd < 0) {
- eputs("\nError: can't make backup\n");
- return 2;
- }
- write(fd, old, old_sz);
- close(fd);
-
- // find usbfs
- for (i = 0; i < old_sz; i++) {
- if ( old[i] == 'u' && old[i+1] == 's' && old[i+2] == 'b'
- && old[i+3] == 'f' && old[i+4] == 's')
- break;
- }
- // find defau(lts)
- for (;i < old_sz; i++) {
- if ( old[i] == 'd' && old[i+1] == 'e' && old[i+2] == 'f' && old[i+3] == 'a' && old[i+4] == 'u' )
- break;
- }
- // find first space
- for (;i < old_sz; i++) {
- if ( old[i] == ' ' || old[i] == '\t' )
- break;
- }
- if ( i >= old_sz ) {
- eputs("\nError: can't find correct usbfs entry\n");
- return 0;
- }
-
- fd = open(name, O_WRONLY|O_CREAT|O_TRUNC);
- if (fd < 0) {
- eputs("\nError: can't open file for writing\n");
- return 4;
- }
- write(fd, old, i);
- write(fd, add, strlen(add));
- write(fd, old + i, old_sz - i);
- close(fd);
- eputs("OK\n");
-
- return 0;
-}
-
projects / packages / setup.git / commitdiff