/****************************************************************************
Create a directory given an absolute path, perms based upon another directory
path
****************************************************************************/
static int make_bak_dir(char *fname,char *bak_path)
{
STRUCT_STAT st;
STRUCT_STAT *st2;
char fullpath[MAXPATHLEN];
extern int orig_umask;
char *p;
char *q;
while(strncmp(bak_path,"./",2)==0) bak_path += 2;
if(bak_path[strlen(bak_path)-1]!='/') {
snprintf(fullpath,sizeof(fullpath),"%s/",bak_path);
} else {
snprintf(fullpath,sizeof(fullpath),"%s",bak_path);
}
p=fullpath;
q=&fullpath[strlen(fullpath)]; /* End of bak_path string */
strcat(fullpath,fname);
/* Make the directories */
while ((p=strchr(p,'/'))) {
*p = 0;
if(do_lstat(fullpath,&st)!=0) {
do_mkdir(fullpath,0777 & ~orig_umask);
if(p>q) {
if(do_lstat(q,&st)!=0) {
rprintf(FERROR,"make_bak_dir stat %s : %s\n",fullpath,strerror(errno));
} else {
st2=&st;
set_modtime(fullpath,st2->st_mtime);
if(do_lchown(fullpath,st2->st_uid,st2->st_gid)!=0) {
rprintf(FERROR,"make_bak_dir chown %s : %s\n",fullpath,strerror(errno));
};
if(do_chmod(fullpath,st2->st_mode)!=0) {
rprintf(FERROR,"make_bak_dir failed to set permissions on %s : %s\n",fullpath,strerror(errno));
};
};
}
};
*p = '/';
p++;
}
return 0;
}
int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
int report)
{
int updated = 0;
STRUCT_STAT st2;
int change_uid, change_gid;
extern int am_daemon;
if (dry_run) return 0;
if (!st) {
if (link_stat(fname,&st2) != 0) {
rprintf(FERROR,"stat %s : %s\n",fname,strerror(errno));
return 0;
}
st = &st2;
}
if (preserve_times && !S_ISLNK(st->st_mode) &&
st->st_mtime != file->modtime) {
/* don't complain about not setting times on directories
because some filesystems can't do it */
if (set_modtime(fname,file->modtime) != 0 &&
!S_ISDIR(st->st_mode)) {
rprintf(FERROR,"failed to set times on %s : %s\n",
fname,strerror(errno));
return 0;
} else {
updated = 1;
}
}
change_uid = am_root && preserve_uid && st->st_uid != file->uid;
change_gid = !am_daemon && preserve_gid && file->gid != (gid_t) -1 && \
st->st_gid != file->gid;
if (change_gid && !am_root) {
/* enforce bsd-style group semantics: non-root can only
change to groups that the user is a member of */
change_gid = is_in_group(file->gid);
}
if (change_uid || change_gid) {
if (do_lchown(fname,
change_uid?file->uid:st->st_uid,
change_gid?file->gid:st->st_gid) != 0) {
/* shouldn't have attempted to change uid or gid
unless have the privilege */
rprintf(FERROR,"chown %s : %s\n", fname,strerror(errno));
return 0;
}
updated = 1;
}
#ifdef HAVE_CHMOD
if (!S_ISLNK(st->st_mode)) {
int file_mode;
if (preserve_perms)
file_mode = file->mode;
else
file_mode = file->mode & ACCESSPERMS;
if (st->st_mode != file->mode) {
updated = 1;
if (do_chmod(fname,file_mode) != 0) {
rprintf(FERROR,"failed to set permissions on %s : %s\n",
fname,strerror(errno));
return 0;
}
}
}
#endif
if (verbose > 1 && report) {
if (updated)
rprintf(FINFO,"%s\n",fname);
else
rprintf(FINFO,"%s is uptodate\n",fname);
}
return updated;
}
/****************************************************************************
Create a directory given an absolute path, perms based upon another directory
path
****************************************************************************/
static int make_bak_dir(char *fullpath)
{
STRUCT_STAT st;
char *rel = fullpath + backup_dir_len;
char *end = rel + strlen(rel);
char *p = end;
while (strncmp(fullpath, "./", 2) == 0)
fullpath += 2;
/* Try to find an existing dir, starting from the deepest dir. */
while (1) {
if (--p == fullpath) {
p += strlen(p);
goto failure;
}
if (*p == '/') {
*p = '\0';
if (mkdir_defmode(fullpath) == 0)
break;
if (errno != ENOENT) {
rsyserr(FERROR, errno,
"make_bak_dir mkdir %s failed",
full_fname(fullpath));
goto failure;
}
}
}
/* Make all the dirs that we didn't find on the way here. */
while (1) {
if (p >= rel) {
/* Try to transfer the directory settings of the
* actual dir that the files are coming from. */
if (do_stat(rel, &st) < 0) {
rsyserr(FERROR, errno,
"make_bak_dir stat %s failed",
full_fname(rel));
} else {
do_lchown(fullpath, st.st_uid, st.st_gid);
#ifdef HAVE_CHMOD
do_chmod(fullpath, st.st_mode);
#endif
}
}
*p = '/';
p += strlen(p);
if (p == end)
break;
if (mkdir_defmode(fullpath) < 0) {
rsyserr(FERROR, errno, "make_bak_dir mkdir %s failed",
full_fname(fullpath));
goto failure;
}
}
return 0;
failure:
while (p != end) {
*p = '/';
p += strlen(p);
}
return -1;
}
