/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2010 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
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
+ You should have received a copy of the GNU Affero 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.
*
* Bacula utility functions are in util.c
*
- * Version $Id$
*/
#include "bacula.h"
-#ifdef HAVE_PWD_H
-#include <pwd.h>
-#endif
-#ifdef HAVE_GRP_H
-#include <grp.h>
-#endif
-
-#ifdef HAVE_AIX_OS
-extern "C" int initgroups(const char *,int);
+#ifdef HAVE_LIBZ
+#include <zlib.h>
#endif
return dest;
}
-
+/*
+ * Note: Here the maxlen is the maximum length permitted
+ * stored in dest, while on Unix systems, it is the maximum characters
+ * that may be copied from src.
+ */
char *bstrncat(char *dest, const char *src, int maxlen)
{
- strncat(dest, src, maxlen-1);
+ int len = strlen(dest);
+ if (len < maxlen-1) {
+ strncpy(dest+len, src, maxlen-len-1);
+ }
dest[maxlen-1] = 0;
return dest;
}
+/*
+ * Note: Here the maxlen is the maximum length permitted
+ * stored in dest, while on Unix systems, it is the maximum characters
+ * that may be copied from src.
+ */
char *bstrncat(char *dest, POOL_MEM &src, int maxlen)
{
- strncat(dest, src.c_str(), maxlen-1);
+ int len = strlen(dest);
+ if (len < maxlen-1) {
+ strncpy(dest+len, src.c_str(), maxlen-len-1);
+ }
dest[maxlen-1] = 0;
return dest;
}
{
uint8_t *p = (uint8_t *)str;
int len = 0;
+ if (str == NULL) {
+ return 0;
+ }
while (*p) {
if ((*p & 0xC0) != 0xC0) {
p++;
static struct s_state_hdr state_hdr = {
"Bacula State\n",
- 3,
+ 4,
0
};
}
-/*
- * Drop to privilege new userid and new gid if non-NULL
- */
-void drop(char *uname, char *gname)
-{
-#if defined(HAVE_PWD_H) && defined(HAVE_GRP_H)
- struct passwd *passw = NULL;
- struct group *group = NULL;
- gid_t gid;
- uid_t uid;
- char username[1000];
-
- Dmsg2(900, "uname=%s gname=%s\n", uname?uname:"NONE", gname?gname:"NONE");
- if (!uname && !gname) {
- return; /* Nothing to do */
- }
-
- if (uname) {
- if ((passw = getpwnam(uname)) == NULL) {
- berrno be;
- Emsg2(M_ERROR_TERM, 0, _("Could not find userid=%s: ERR=%s\n"), uname,
- be.bstrerror());
- }
- } else {
- if ((passw = getpwuid(getuid())) == NULL) {
- berrno be;
- Emsg1(M_ERROR_TERM, 0, _("Could not find password entry. ERR=%s\n"),
- be.bstrerror());
- } else {
- uname = passw->pw_name;
- }
- }
- /* Any OS uname pointer may get overwritten, so save name, uid, and gid */
- bstrncpy(username, uname, sizeof(username));
- uid = passw->pw_uid;
- gid = passw->pw_gid;
- if (gname) {
- if ((group = getgrnam(gname)) == NULL) {
- berrno be;
- Emsg2(M_ERROR_TERM, 0, _("Could not find group=%s: ERR=%s\n"), gname,
- be.bstrerror());
- }
- gid = group->gr_gid;
- }
- if (initgroups(username, gid)) {
- berrno be;
- if (gname) {
- Emsg3(M_ERROR_TERM, 0, _("Could not initgroups for group=%s, userid=%s: ERR=%s\n"),
- gname, username, be.bstrerror());
- } else {
- Emsg2(M_ERROR_TERM, 0, _("Could not initgroups for userid=%s: ERR=%s\n"),
- username, be.bstrerror());
- }
- }
- if (gname) {
- if (setgid(gid)) {
- berrno be;
- Emsg2(M_ERROR_TERM, 0, _("Could not set group=%s: ERR=%s\n"), gname,
- be.bstrerror());
- }
- }
- if (setuid(uid)) {
- berrno be;
- Emsg1(M_ERROR_TERM, 0, _("Could not set specified userid: %s\n"), username);
- }
-#endif
-}
-
-
/* BSDI does not have this. This is a *poor* simulation */
#ifndef HAVE_STRTOLL
long long int
return escaped_path;
}
+
+/*
+ * Deflate or compress and input buffer. You must supply an
+ * output buffer sufficiently long and the length of the
+ * output buffer. Generally, if the output buffer is the
+ * same size as the input buffer, it should work (at least
+ * for text).
+ */
+int Zdeflate(char *in, int in_len, char *out, int &out_len)
+{
+#ifdef HAVE_LIBZ
+ z_stream strm;
+ int ret;
+
+ /* allocate deflate state */
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ ret = deflateInit(&strm, 9);
+ if (ret != Z_OK) {
+ Dmsg0(200, "deflateInit error\n");
+ (void)deflateEnd(&strm);
+ return ret;
+ }
+
+ strm.next_in = (Bytef *)in;
+ strm.avail_in = in_len;
+ Dmsg1(200, "In: %d bytes\n", strm.avail_in);
+ strm.avail_out = out_len;
+ strm.next_out = (Bytef *)out;
+ ret = deflate(&strm, Z_FINISH);
+ out_len = out_len - strm.avail_out;
+ Dmsg1(200, "compressed=%d\n", out_len);
+ (void)deflateEnd(&strm);
+ return ret;
+#else
+ return 1;
+#endif
+}
+
+/*
+ * Inflate or uncompress an input buffer. You must supply
+ * and output buffer and an output length sufficiently long
+ * or there will be an error. This uncompresses in one call.
+ */
+int Zinflate(char *in, int in_len, char *out, int &out_len)
+{
+#ifdef HAVE_LIBZ
+ z_stream strm;
+ int ret;
+
+ /* allocate deflate state */
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ strm.next_in = (Bytef *)in;
+ strm.avail_in = in_len;
+ ret = inflateInit(&strm);
+ if (ret != Z_OK) {
+ Dmsg0(200, "inflateInit error\n");
+ (void)inflateEnd(&strm);
+ return ret;
+ }
+
+ Dmsg1(200, "In len: %d bytes\n", strm.avail_in);
+ strm.avail_out = out_len;
+ strm.next_out = (Bytef *)out;
+ ret = inflate(&strm, Z_FINISH);
+ out_len -= strm.avail_out;
+ Dmsg1(200, "Uncompressed=%d\n", out_len);
+ (void)inflateEnd(&strm);
+ return ret;
+#else
+ return 1;
+#endif
+}
projects / bacula / bacula / blobdiff