/*
- Copyright (C) Andrew Tridgell 1996
- Copyright (C) Paul Mackerras 1996
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/* handle the mapping of uid/gid and user/group names between systems.
- If the source username/group does not exist on the target then use
- the numeric IDs. Never do any mapping for uid=0 or gid=0 as these
- are special.
-*/
+ * Handle the mapping of uid/gid and user/group names between systems.
+ *
+ * Copyright (C) 1996 Andrew Tridgell
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2004, 2005, 2006 Wayne Davison
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/* If the source username/group does not exist on the target then use
+ * the numeric IDs. Never do any mapping for uid=0 or gid=0 as these
+ * are special. */
#include "rsync.h"
#ifdef HAVE_GETGROUPS
-# if !defined(GETGROUPS_T)
+# ifndef GETGROUPS_T
# define GETGROUPS_T gid_t
# endif
-# ifndef NGROUPS_MAX
-/* It ought to be defined, but just in case. */
-# define NGROUPS_MAX 32
-# endif
#endif
extern int verbose;
static int map_uid(int id, char *name)
{
uid_t uid;
- if (uid != 0 && name_to_uid(name, &uid))
+ if (id != 0 && name_to_uid(name, &uid))
return uid;
return id;
}
static int map_gid(int id, char *name)
{
gid_t gid;
- if (gid != 0 && name_to_gid(name, &gid))
+ if (id != 0 && name_to_gid(name, &gid))
return gid;
return id;
}
return last_out;
if (ngroups < -1) {
gid_t mygid = MY_GID();
- if ((ngroups = getgroups(0, 0)) < 0)
+ if ((ngroups = getgroups(0, NULL)) < 0)
ngroups = 0;
gidset = new_array(GETGROUPS_T, ngroups+1);
+ if (!gidset)
+ out_of_memory("is_in_group");
if (ngroups > 0)
ngroups = getgroups(ngroups, gidset);
/* The default gid might not be in the list on some systems. */
if (n == ngroups)
gidset[ngroups++] = mygid;
if (verbose > 3) {
- char gidbuf[NGROUPS_MAX*16+32];
int pos;
- sprintf(gidbuf, "process has %d gid%s: ",
- ngroups, ngroups == 1? "" : "s");
- pos = strlen(gidbuf);
+ char *gidbuf = new_array(char, ngroups*21+32);
+ if (!gidbuf)
+ out_of_memory("is_in_group");
+ pos = snprintf(gidbuf, 32, "process has %d gid%s: ",
+ ngroups, ngroups == 1? "" : "s");
for (n = 0; n < ngroups; n++) {
- sprintf(gidbuf+pos, " %d", (int)gidset[n]);
- pos += strlen(gidbuf+pos);
+ pos += snprintf(gidbuf+pos, 21, " %d", (int)gidset[n]);
}
rprintf(FINFO, "%s\n", gidbuf);
+ free(gidbuf);
}
}
int id2 = name ? map_uid(id, name) : id;
struct idlist *node;
- node = add_to_list(&uidlist, id, name, map_uid(id, name));
+ node = add_to_list(&uidlist, id, name, id2);
if (verbose > 3) {
rprintf(FINFO, "uid %d(%s) maps to %d\n",
}
}
-
if (preserve_gid && !numeric_ids) {
/* read the gid list */
while ((id = read_int(f)) != 0) {
}
}
- /* now convert the uid/gid of all files in the list to the mapped
- * uid/gid */
+ /* Now convert all the uids/gids from sender values to our values. */
if (am_root && preserve_uid && !numeric_ids) {
for (i = 0; i < flist->count; i++)
flist->files[i]->uid = match_uid(flist->files[i]->uid);