/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2011 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 plus additions
- that are listed in the file LICENSE.
+ 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.
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
+ 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® is a registered trademark of John Walker.
+ 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.
*
* 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
+
static pthread_mutex_t timer_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t timer = PTHREAD_COND_INITIALIZER;
* to recall this routine if he/she REALLY wants to sleep the
* requested time.
*/
-int bmicrosleep(time_t sec, long usec)
+int bmicrosleep(int32_t sec, int32_t usec)
{
struct timespec timeout;
struct timeval tv;
timeout.tv_sec++;
}
- Dmsg2(200, "pthread_cond_timedwait sec=%d usec=%d\n", sec, usec);
+ Dmsg2(200, "pthread_cond_timedwait sec=%lld usec=%d\n", sec, usec);
/* Note, this unlocks mutex during the sleep */
P(timer_mutex);
stat = pthread_cond_timedwait(&timer, &timer_mutex, &timeout);
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;
}
-
+/*
+ * 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++;
#endif
if (buf == NULL) {
berrno be;
- Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.strerror());
+ Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.bstrerror());
}
return buf;
}
#endif
if (buf == NULL) {
berrno be;
- e_msg(file, line, M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.strerror());
+ e_msg(file, line, M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.bstrerror());
}
return buf;
}
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) {
berrno be;
- Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.strerror());
+ 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) {
berrno be;
- Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.strerror());
+ Emsg1(M_ABORT, 0, _("Out of memory: ERR=%s\n"), be.bstrerror());
}
return buf;
}
return stat;
}
-/*
- * These are mutex routines that do error checking
- * for deadlock and such. Normally not turned on.
- */
-#ifdef DEBUG_MUTEX
-void _p(char *file, int line, pthread_mutex_t *m)
-{
- int errstat;
- if ((errstat = pthread_mutex_trylock(m))) {
- e_msg(file, line, M_ERROR, 0, _("Possible mutex deadlock.\n"));
- /* We didn't get the lock, so do it definitely now */
- if ((errstat=pthread_mutex_lock(m))) {
- berrno be;
- e_msg(file, line, M_ABORT, 0, _("Mutex lock failure. ERR=%s\n"),
- be.strerror(errstat));
- } else {
- e_msg(file, line, M_ERROR, 0, _("Possible mutex deadlock resolved.\n"));
- }
-
- }
-}
-
-void _v(char *file, int line, pthread_mutex_t *m)
-{
- 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));
- }
- if ((errstat=pthread_mutex_unlock(m))) {
- berrno be;
- e_msg(file, line, M_ABORT, 0, _("Mutex unlock failure. ERR=%s\n"),
- be.strerror(errstat));
- }
-}
-
-#else
-
-void _p(pthread_mutex_t *m)
-{
- int 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));
- }
-}
-
-void _v(pthread_mutex_t *m)
-{
- int 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));
- }
-}
-
-#endif /* DEBUG_MUTEX */
-
#ifdef DEBUG_MEMSET
/* These routines are not normally turned on */
#undef memset
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());
}
/* 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
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
static struct s_state_hdr state_hdr = {
"Bacula State\n",
- 3,
+ 4,
0
};
/* If file exists, see what we have */
// Dmsg1(10, "O_BINARY=%d\n", O_BINARY);
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));
+ 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) {
/*
* Write the state file
*/
+static pthread_mutex_t state_mutex = PTHREAD_MUTEX_INITIALIZER;
+
void write_state_file(char *dir, const char *progname, int port)
{
int sfd;
bool ok = false;
POOLMEM *fname = get_pool_memory(PM_FNAME);
-
+
+ P(state_mutex); /* Only one job at a time can call here */
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) {
berrno be;
- Dmsg2(000, "Could not create state file. %s ERR=%s\n", fname, be.strerror());
- Emsg2(M_ERROR, 0, _("Could not create state file. %s ERR=%s\n"), fname, be.strerror());
+ 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)) {
berrno be;
- Dmsg1(000, "Write hdr error: ERR=%s\n", be.strerror());
+ Dmsg1(000, "Write hdr error: ERR=%s\n", be.bstrerror());
goto bail_out;
}
// Dmsg1(010, "Wrote header of %d bytes\n", sizeof(state_hdr));
// Dmsg1(010, "write last job end = %d\n", (int)state_hdr.reserved[0]);
if (lseek(sfd, 0, SEEK_SET) < 0) {
berrno be;
- Dmsg1(000, "lseek error: ERR=%s\n", be.strerror());
+ Dmsg1(000, "lseek error: ERR=%s\n", be.bstrerror());
goto bail_out;
}
if (write(sfd, &state_hdr, sizeof(state_hdr)) != sizeof(state_hdr)) {
berrno be;
- Pmsg1(000, _("Write final hdr error: ERR=%s\n"), be.strerror());
+ Pmsg1(000, _("Write final hdr error: ERR=%s\n"), be.bstrerror());
goto bail_out;
}
ok = true;
if (!ok) {
unlink(fname);
}
+ V(state_mutex);
free_pool_memory(fname);
}
-/*
- * 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.strerror());
- }
- } else {
- if ((passw = getpwuid(getuid())) == NULL) {
- berrno be;
- Emsg1(M_ERROR_TERM, 0, _("Could not find password entry. ERR=%s\n"),
- be.strerror());
- } 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.strerror());
- }
- 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.strerror());
- } else {
- Emsg2(M_ERROR_TERM, 0, _("Could not initgroups for userid=%s: ERR=%s\n"),
- username, be.strerror());
- }
- }
- if (gname) {
- if (setgid(gid)) {
- berrno be;
- Emsg2(M_ERROR_TERM, 0, _("Could not set group=%s: ERR=%s\n"), gname,
- be.strerror());
- }
- }
- 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;
}
+
+#if HAVE_BACKTRACE && HAVE_GCC
+#include <cxxabi.h>
+#include <execinfo.h>
+void stack_trace()
+{
+ const size_t max_depth = 100;
+ size_t stack_depth;
+ void *stack_addrs[max_depth];
+ char **stack_strings;
+
+ stack_depth = backtrace(stack_addrs, max_depth);
+ stack_strings = backtrace_symbols(stack_addrs, stack_depth);
+
+ for (size_t i = 3; i < stack_depth; i++) {
+ size_t sz = 200; /* just a guess, template names will go much wider */
+ char *function = (char *)actuallymalloc(sz);
+ char *begin = 0, *end = 0;
+ /* find the parentheses and address offset surrounding the mangled name */
+ for (char *j = stack_strings[i]; *j; ++j) {
+ if (*j == '(') {
+ begin = j;
+ } else if (*j == '+') {
+ end = j;
+ }
+ }
+ if (begin && end) {
+ *begin++ = '\0';
+ *end = '\0';
+ /* found our mangled name, now in [begin, end] */
+
+ int status;
+ char *ret = abi::__cxa_demangle(begin, function, &sz, &status);
+ if (ret) {
+ /* return value may be a realloc() of the input */
+ function = ret;
+ } else {
+ /* demangling failed, just pretend it's a C function with no args */
+ strncpy(function, begin, sz);
+ strncat(function, "()", sz);
+ function[sz-1] = '\0';
+ }
+ Pmsg2(000, " %s:%s\n", stack_strings[i], function);
+
+ } else {
+ /* didn't find the mangled name, just print the whole line */
+ Pmsg1(000, " %s\n", stack_strings[i]);
+ }
+ actuallyfree(function);
+ }
+ actuallyfree(stack_strings); /* malloc()ed by backtrace_symbols */
+}
+#else /* HAVE_BACKTRACE && HAVE_GCC */
+void stack_trace() {}
+#endif /* HAVE_BACKTRACE && HAVE_GCC */