+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2000-2008 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
+ License as published by the Free Software Foundation and included
+ in the file LICENSE.
+
+ 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.
+
+ Bacula® is a registered trademark of Kern Sibbald.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
/*
* Miscellaneous Bacula memory and thread safe routines
* Generally, these are interfaces to system or standard
*
* Version $Id$
*/
-/*
- Copyright (C) 2000-2005 Kern Sibbald
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- version 2 as amended with additional clauses defined in the
- file LICENSE in the main source directory.
-
- 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
- the file LICENSE for additional details.
-
- */
-
#include "bacula.h"
#ifdef HAVE_PWD_H
#include <grp.h>
#endif
+#ifdef HAVE_AIX_OS
+extern "C" int initgroups(const char *,int);
+#endif
+
+
static pthread_mutex_t timer_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t timer = PTHREAD_COND_INITIALIZER;
if (stat != 0) {
berrno be;
Dmsg2(200, "pthread_cond_timedwait stat=%d ERR=%s\n", stat,
- be.strerror(stat));
+ be.bstrerror(stat));
}
V(timer_mutex);
return stat;
return dest;
}
+/*
+ * Allows one or both pointers to be NULL
+ */
+bool bstrcmp(const char *s1, const char *s2)
+{
+ if (s1 == s2) return true;
+ if (s1 == NULL || s2 == NULL) return false;
+ return strcmp(s1, s2) == 0;
+}
+
/*
* Get character length of UTF-8 string
*
-#ifndef DEBUG
+#ifndef bmalloc
void *bmalloc(size_t size)
{
void *buf;
+#ifdef SMARTALLOC
+ buf = sm_malloc(file, line, size);
+#else
buf = malloc(size);
+#endif
if (buf == NULL) {
- Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), strerror(errno));
+ berrno be;
+ Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.bstrerror());
}
return buf;
}
buf = malloc(size);
#endif
if (buf == NULL) {
- e_msg(file, line, M_ABORT, 0, _("Out of memory: ERR=%s\n"), strerror(errno));
+ berrno be;
+ e_msg(file, line, M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.bstrerror());
}
return buf;
}
+void bfree(void *buf)
+{
+#ifdef SMARTALLOC
+ sm_free(__FILE__, __LINE__, buf);
+#else
+ free(buf);
+#endif
+}
+
void *brealloc (void *buf, size_t size)
{
+#ifdef SMARTALOC
+ buf = sm_realloc(__FILE__, __LINE__, buf, size);
+#else
buf = realloc(buf, size);
+#endif
if (buf == NULL) {
- Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), strerror(errno));
+ berrno be;
+ Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.bstrerror());
}
return buf;
}
-void *bcalloc (size_t size1, size_t size2)
+void *bcalloc(size_t size1, size_t size2)
{
void *buf;
buf = calloc(size1, size2);
if (buf == NULL) {
- Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), strerror(errno));
+ berrno be;
+ Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.bstrerror());
}
return buf;
}
+/* Code now in src/lib/bsnprintf.c */
+#ifndef USE_BSNPRINTF
#define BIG_BUF 5000
/*
return len;
#endif
}
+#endif /* USE_BSNPRINTF */
#ifndef HAVE_LOCALTIME_R
#endif /* HAVE_READDIR_R */
-int bstrerror(int errnum, char *buf, size_t bufsiz)
+int b_strerror(int errnum, char *buf, size_t bufsiz)
{
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
int stat = 0;
if ((errstat=pthread_mutex_lock(m))) {
berrno be;
e_msg(file, line, M_ABORT, 0, _("Mutex lock failure. ERR=%s\n"),
- be.strerror(errstat));
+ be.bstrerror(errstat));
} else {
e_msg(file, line, M_ERROR, 0, _("Possible mutex deadlock resolved.\n"));
}
{
int errstat;
+ /* Note, this trylock *should* fail if the mutex is locked */
if ((errstat=pthread_mutex_trylock(m)) == 0) {
berrno be;
e_msg(file, line, M_ERROR, 0, _("Mutex unlock not locked. ERR=%s\n"),
- be.strerror(errstat));
+ be.bstrerror(errstat));
}
if ((errstat=pthread_mutex_unlock(m))) {
berrno be;
e_msg(file, line, M_ABORT, 0, _("Mutex unlock failure. ERR=%s\n"),
- be.strerror(errstat));
+ be.bstrerror(errstat));
}
}
if ((errstat=pthread_mutex_lock(m))) {
berrno be;
e_msg(__FILE__, __LINE__, M_ABORT, 0, _("Mutex lock failure. ERR=%s\n"),
- be.strerror(errstat));
+ be.bstrerror(errstat));
}
}
if ((errstat=pthread_mutex_unlock(m))) {
berrno be;
e_msg(__FILE__, __LINE__, M_ABORT, 0, _("Mutex unlock failure. ERR=%s\n"),
- be.strerror(errstat));
+ be.bstrerror(errstat));
}
}
{
/* Testing for 2000 byte zero at beginning of Volume block */
if (num > 1900 && num < 3000) {
- Pmsg3(000, "Memset for %d bytes at %s:%d\n", (int)num, file, line);
+ Pmsg3(000, _("Memset for %d bytes at %s:%d\n"), (int)num, file, line);
}
memset(mem, val, num);
}
#endif
-#if !defined(HAVE_CYGWIN) && !defined(HAVE_WIN32)
+#if !defined(HAVE_WIN32)
static int del_pid_file_ok = FALSE;
#endif
*/
void create_pid_file(char *dir, const char *progname, int port)
{
-#if !defined(HAVE_CYGWIN) && !defined(HAVE_WIN32)
+#if !defined(HAVE_WIN32)
int pidfd, len;
int oldpid;
char pidbuf[20];
if ((pidfd = open(fname, O_RDONLY|O_BINARY, 0)) < 0 ||
read(pidfd, &pidbuf, sizeof(pidbuf)) < 0 ||
sscanf(pidbuf, "%d", &oldpid) != 1) {
- Emsg2(M_ERROR_TERM, 0, _("Cannot open pid file. %s ERR=%s\n"), fname, strerror(errno));
+ berrno be;
+ Emsg2(M_ERROR_TERM, 0, _("Cannot open pid file. %s ERR=%s\n"), fname,
+ be.bstrerror());
}
- /* See if other Bacula is still alive */
- if (kill(oldpid, 0) != -1 || errno != ESRCH) {
+ /* Some OSes (IRIX) don't bother to clean out the old pid files after a crash, and
+ * since they use a deterministic algorithm for assigning PIDs, we can have
+ * pid conflicts with the old PID file after a reboot.
+ * The intent the following code is to check if the oldpid read from the pid
+ * file is the same as the currently executing process's pid,
+ * and if oldpid == getpid(), skip the attempt to
+ * kill(oldpid,0), since the attempt is guaranteed to succeed,
+ * but the success won't actually mean that there is an
+ * another Bacula process already running.
+ * For more details see bug #797.
+ */
+ if ((oldpid != (int)getpid()) && (kill(oldpid, 0) != -1 || errno != ESRCH)) {
Emsg3(M_ERROR_TERM, 0, _("%s is already running. pid=%d\nCheck file %s\n"),
progname, oldpid, fname);
}
close(pidfd);
del_pid_file_ok = TRUE; /* we created it so we can delete it */
} else {
- Emsg2(M_ERROR_TERM, 0, _("Could not open pid file. %s ERR=%s\n"), fname, strerror(errno));
+ berrno be;
+ Emsg2(M_ERROR_TERM, 0, _("Could not open pid file. %s ERR=%s\n"), fname,
+ be.bstrerror());
}
free_pool_memory(fname);
#endif
*/
int delete_pid_file(char *dir, const char *progname, int port)
{
-#if !defined(HAVE_CYGWIN) && !defined(HAVE_WIN32)
+#if !defined(HAVE_WIN32)
POOLMEM *fname = get_pool_memory(PM_FNAME);
if (!del_pid_file_ok) {
{
int sfd;
ssize_t stat;
+ bool ok = false;
POOLMEM *fname = get_pool_memory(PM_FNAME);
struct s_state_hdr hdr;
int hdr_size = sizeof(hdr);
Mmsg(&fname, "%s/%s.%d.state", dir, progname, port);
/* If file exists, see what we have */
// Dmsg1(10, "O_BINARY=%d\n", O_BINARY);
- if ((sfd = open(fname, O_RDONLY|O_BINARY, 0)) < 0) {
+ if ((sfd = open(fname, O_RDONLY|O_BINARY)) < 0) {
+ berrno be;
Dmsg3(010, "Could not open state file. sfd=%d size=%d: ERR=%s\n",
- sfd, sizeof(hdr), strerror(errno));
- goto bail_out;
+ sfd, sizeof(hdr), be.bstrerror());
+ goto bail_out;
}
if ((stat=read(sfd, &hdr, hdr_size)) != hdr_size) {
+ berrno be;
Dmsg4(010, "Could not read state file. sfd=%d stat=%d size=%d: ERR=%s\n",
- sfd, (int)stat, hdr_size, strerror(errno));
+ sfd, (int)stat, hdr_size, be.bstrerror());
goto bail_out;
}
if (hdr.version != state_hdr.version) {
Dmsg2(010, "Bad hdr version. Wanted %d got %d\n",
state_hdr.version, hdr.version);
+ goto bail_out;
}
hdr.id[13] = 0;
if (strcmp(hdr.id, state_hdr.id) != 0) {
goto bail_out;
}
// Dmsg1(010, "Read header of %d bytes.\n", sizeof(hdr));
- read_last_jobs_list(sfd, hdr.last_jobs_addr);
+ if (!read_last_jobs_list(sfd, hdr.last_jobs_addr)) {
+ goto bail_out;
+ }
+ ok = true;
bail_out:
if (sfd >= 0) {
close(sfd);
}
+ if (!ok) {
+ unlink(fname);
+ }
free_pool_memory(fname);
}
void write_state_file(char *dir, const char *progname, int port)
{
int sfd;
+ bool ok = false;
POOLMEM *fname = get_pool_memory(PM_FNAME);
Mmsg(&fname, "%s/%s.%d.state", dir, progname, port);
/* Create new state file */
+ unlink(fname);
if ((sfd = open(fname, O_CREAT|O_WRONLY|O_BINARY, 0640)) < 0) {
- Dmsg2(000, _("Could not create state file. %s ERR=%s\n"), fname, strerror(errno));
- Emsg2(M_ERROR, 0, _("Could not create state file. %s ERR=%s\n"), fname, strerror(errno));
+ berrno be;
+ Dmsg2(000, "Could not create state file. %s ERR=%s\n", fname, be.bstrerror());
+ Emsg2(M_ERROR, 0, _("Could not create state file. %s ERR=%s\n"), fname, be.bstrerror());
goto bail_out;
}
if (write(sfd, &state_hdr, sizeof(state_hdr)) != sizeof(state_hdr)) {
- Dmsg1(000, "Write hdr error: ERR=%s\n", strerror(errno));
+ berrno be;
+ Dmsg1(000, "Write hdr error: ERR=%s\n", be.bstrerror());
goto bail_out;
}
// Dmsg1(010, "Wrote header of %d bytes\n", sizeof(state_hdr));
state_hdr.reserved[0] = write_last_jobs_list(sfd, state_hdr.last_jobs_addr);
// Dmsg1(010, "write last job end = %d\n", (int)state_hdr.reserved[0]);
if (lseek(sfd, 0, SEEK_SET) < 0) {
- Dmsg1(000, "lseek error: ERR=%s\n", strerror(errno));
+ berrno be;
+ Dmsg1(000, "lseek error: ERR=%s\n", be.bstrerror());
goto bail_out;
}
if (write(sfd, &state_hdr, sizeof(state_hdr)) != sizeof(state_hdr)) {
- Pmsg1(000, "Write final hdr error: ERR=%s\n", strerror(errno));
+ berrno be;
+ Pmsg1(000, _("Write final hdr error: ERR=%s\n"), be.bstrerror());
+ goto bail_out;
}
+ ok = true;
// Dmsg1(010, "rewrote header = %d\n", sizeof(state_hdr));
bail_out:
if (sfd >= 0) {
close(sfd);
}
+ if (!ok) {
+ unlink(fname);
+ }
free_pool_memory(fname);
}
/*
* Drop to privilege new userid and new gid if non-NULL
*/
-void drop(char *uid, char *gid)
+void drop(char *uname, char *gname)
{
-#ifdef HAVE_GRP_H
- if (gid) {
- struct group *group;
- gid_t gr_list[1];
+#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 ((group = getgrnam(gid)) == NULL) {
- Emsg1(M_ERROR_TERM, 0, _("Could not find specified group: %s\n"), gid);
+ 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());
}
- if (setgid(group->gr_gid)) {
- Emsg1(M_ERROR_TERM, 0, _("Could not set specified group: %s\n"), gid);
+ } 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;
}
- gr_list[0] = group->gr_gid;
- if (setgroups(1, gr_list)) {
- Emsg1(M_ERROR_TERM, 0, _("Could not set specified group: %s\n"), gid);
+ }
+ /* 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;
}
-#endif
-
-#ifdef HAVE_PWD_H
- if (uid) {
- struct passwd *passw;
- if ((passw = getpwnam(uid)) == NULL) {
- Emsg1(M_ERROR_TERM, 0, _("Could not find specified userid: %s\n"), uid);
+ 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 (setuid(passw->pw_uid)) {
- Emsg1(M_ERROR_TERM, 0, _("Could not set specified userid: %s\n"), uid);
+ }
+ 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
-
}
do {
errno = 0;
ch = fgetc(fd);
- } while (ch == -1 && (errno == EINTR || errno == EAGAIN));
- if (ch == -1) {
+ } while (ch == EOF && ferror(fd) && (errno == EINTR || errno == EAGAIN));
+ if (ch == EOF) {
if (i == 0) {
return NULL;
} else {
*p = 0;
if (ch == '\r') { /* Support for Mac/Windows file format */
ch = fgetc(fd);
- if (ch == '\n') { /* Windows (\r\n) */
- *p++ = ch;
- *p = 0;
- }
- else { /* Mac (\r only) */
- ungetc(ch, fd); /* Push next character back to fd */
+ if (ch != '\n') { /* Mac (\r only) */
+ (void)ungetc(ch, fd); /* Push next character back to fd */
}
+ p[-1] = '\n';
break;
}
if (ch == '\n') {
{
Mmsg(name, "%s/%s.%s.%d.tmp", working_directory, my_name, what, Id);
}
+
+char *escape_filename(const char *file_path)
+{
+ if (file_path == NULL || strpbrk(file_path, "\"\\") == NULL) {
+ return NULL;
+ }
+
+ char *escaped_path = (char *)bmalloc(2 * (strlen(file_path) + 1));
+ char *cur_char = escaped_path;
+
+ while (*file_path) {
+ if (*file_path == '\\' || *file_path == '"') {
+ *cur_char++ = '\\';
+ }
+
+ *cur_char++ = *file_path++;
+ }
+
+ *cur_char = '\0';
+
+ return escaped_path;
+}
projects / bacula / bacula / blobdiff