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146 lines
3.7 KiB
146 lines
3.7 KiB
#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/acl.h>
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#include <dirent.h>
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#include <pwd.h>
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#include <fcntl.h>
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#include "addhomedir.h"
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#include "util.h"
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#include "config.h"
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int ceo_create_home(char *homedir, uid_t uid, gid_t gid, acl_t acl, acl_t dacl) {
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int mask;
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DIR *skel;
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struct dirent *skelent;
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mask = umask(0);
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if (mkdir(homedir, 0755)) {
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errorpe("failed to create %s", homedir);
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return -1;
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}
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skel = opendir(skeleton_dir);
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if (!skel) {
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errorpe("failed to open %s", skeleton_dir);
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return -1;
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}
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while ((skelent = readdir(skel))) {
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struct stat sb;
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char src[PATH_MAX], dest[PATH_MAX];
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if (!strcmp(skelent->d_name, ".") || !strcmp(skelent->d_name, ".."))
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continue;
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snprintf(src, sizeof(src), "%s/%s", skeleton_dir, skelent->d_name);
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snprintf(dest, sizeof(dest), "%s/%s", homedir, skelent->d_name);
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lstat(src, &sb);
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if (sb.st_uid || sb.st_gid) {
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warn("not creating %s due to ownership", dest);
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continue;
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}
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if (S_ISREG(sb.st_mode)) {
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int bytes;
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char buf[4096];
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int srcfd = open(src, O_RDONLY);
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if (srcfd == -1) {
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warnpe("open: %s", src);
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continue;
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}
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int destfd = open(dest, O_WRONLY|O_CREAT|O_EXCL, sb.st_mode & 0777);
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if (destfd == -1) {
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warnpe("open: %s", dest);
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close(srcfd);
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continue;
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}
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for (;;) {
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bytes = read(srcfd, buf, sizeof(buf));
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if (!bytes)
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break;
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if (bytes < 0) {
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warnpe("read");
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break;
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}
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if (write(destfd, buf, bytes) < 0) {
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warnpe("write");
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break;
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}
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}
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if (fchown(destfd, uid, gid))
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errorpe("chown: %s", dest);
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close(srcfd);
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close(destfd);
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} else if (S_ISDIR(sb.st_mode)) {
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if (mkdir(dest, sb.st_mode & 0777)) {
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warnpe("mkdir: %s", dest);
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continue;
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}
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if (chown(dest, uid, gid))
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errorpe("chown: %s", dest);
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} else if (S_ISLNK(sb.st_mode)) {
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char lnkdest[PATH_MAX];
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int bytes;
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bytes = readlink(src, lnkdest, sizeof(lnkdest));
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lnkdest[bytes] = '\0';
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if (bytes == -1) {
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warnpe("readlink: %s", src);
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continue;
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}
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if (symlink(lnkdest, dest)) {
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warnpe("symlink: %s", dest);
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continue;
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}
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if (lchown(dest, uid, gid))
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errorpe("lchown: %s", dest);
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} else {
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warn("not creating %s", dest);
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}
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}
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closedir(skel);
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if (chown(homedir, uid, gid)) {
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errorpe("failed to chown %s", homedir);
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return -1;
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}
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if (acl && acl_set_file(homedir, ACL_TYPE_ACCESS, acl)) {
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errorpe("failed to set acl for %s", homedir);
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return -1;
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}
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if (dacl && acl_set_file(homedir, ACL_TYPE_DEFAULT, dacl)) {
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errorpe("failed to set default acl for %s", homedir);
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return -1;
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}
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umask(mask);
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return 0;
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}
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int ceo_set_quota(char *proto, int id) {
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char user[128];
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char *sqargs[] = { "setquota", "-a", "-p", proto, NULL, NULL };
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snprintf(user, sizeof(user), "%d", id);
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sqargs[4] = user;
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if (spawnv("/usr/sbin/setquota", sqargs)) {
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error("failed to set quota for %s", user);
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return -1;
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}
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return 0;
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}
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