Copyright (C) Jeremy Allison 2001-2002
Copyright (C) Simo Sorce 2001
Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
-
+ Copyright (C) James Peach 2006
+
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
#include "includes.h"
+extern fstring local_machine;
+extern char *global_clobber_region_function;
+extern unsigned int global_clobber_region_line;
+extern fstring remote_arch;
+
+/* Max allowable allococation - 256mb - 0x10000000 */
+#define MAX_ALLOC_SIZE (1024*1024*256)
+
#if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
#ifdef WITH_NISPLUS_HOME
#ifdef BROKEN_NISPLUS_INCLUDE_FILES
#endif /* WITH_NISPLUS_HOME */
#endif /* HAVE_NETGROUP && WITH_AUTOMOUNT */
-int Protocol = PROTOCOL_COREPLUS;
+enum protocol_types Protocol = PROTOCOL_COREPLUS;
/* a default finfo structure to ensure all fields are sensible */
-file_info def_finfo = {-1,0,0,0,0,0,0,"",""};
+file_info def_finfo;
/* this is used by the chaining code */
int chain_size = 0;
BOOL set_global_myname(const char *myname)
{
SAFE_FREE(smb_myname);
- smb_myname = strdup(myname);
+ smb_myname = SMB_STRDUP(myname);
if (!smb_myname)
return False;
strupper_m(smb_myname);
BOOL set_global_myworkgroup(const char *myworkgroup)
{
SAFE_FREE(smb_myworkgroup);
- smb_myworkgroup = strdup(myworkgroup);
+ smb_myworkgroup = SMB_STRDUP(myworkgroup);
if (!smb_myworkgroup)
return False;
strupper_m(smb_myworkgroup);
BOOL set_global_scope(const char *scope)
{
SAFE_FREE(smb_scope);
- smb_scope = strdup(scope);
+ smb_scope = SMB_STRDUP(scope);
if (!smb_scope)
return False;
strupper_m(smb_scope);
free_netbios_names_array();
smb_num_netbios_names = number + 1;
- smb_my_netbios_names = (char **)malloc( sizeof(char *) * smb_num_netbios_names );
+ smb_my_netbios_names = SMB_MALLOC_ARRAY( char *, smb_num_netbios_names );
if (!smb_my_netbios_names)
return False;
{
SAFE_FREE(smb_my_netbios_names[i]);
- smb_my_netbios_names[i] = strdup(name);
+ smb_my_netbios_names[i] = SMB_STRDUP(name);
if (!smb_my_netbios_names[i])
return False;
strupper_m(smb_my_netbios_names[i]);
return True;
}
+/***********************************************************************
+ Free memory allocated to global objects
+***********************************************************************/
+
+void gfree_names(void)
+{
+ SAFE_FREE( smb_myname );
+ SAFE_FREE( smb_myworkgroup );
+ SAFE_FREE( smb_scope );
+ free_netbios_names_array();
+}
+
+void gfree_all( void )
+{
+ gfree_names();
+ gfree_loadparm();
+ gfree_case_tables();
+ gfree_debugsyms();
+ gfree_charcnv();
+ gfree_messages();
+
+ /* release the talloc null_context memory last */
+ talloc_disable_null_tracking();
+}
+
const char *my_netbios_names(int i)
{
return smb_my_netbios_names[i];
BOOL init_names(void)
{
- extern fstring local_machine;
char *p;
int n;
return "/tmp";
}
-/****************************************************************************
- Determine whether we are in the specified group.
-****************************************************************************/
-
-BOOL in_group(gid_t group, gid_t current_gid, int ngroups, const gid_t *groups)
-{
- int i;
-
- if (group == current_gid)
- return(True);
-
- for (i=0;i<ngroups;i++)
- if (group == groups[i])
- return(True);
-
- return(False);
-}
-
/****************************************************************************
Add a gid to an array of gids if it's not already there.
****************************************************************************/
-void add_gid_to_array_unique(gid_t gid, gid_t **gids, int *num)
+void add_gid_to_array_unique(TALLOC_CTX *mem_ctx, gid_t gid,
+ gid_t **gids, size_t *num_gids)
{
int i;
- for (i=0; i<*num; i++) {
+ for (i=0; i<*num_gids; i++) {
if ((*gids)[i] == gid)
return;
}
-
- *gids = Realloc(*gids, (*num+1) * sizeof(gid_t));
- if (*gids == NULL)
+ if (mem_ctx != NULL) {
+ *gids = TALLOC_REALLOC_ARRAY(mem_ctx, *gids, gid_t, *num_gids+1);
+ } else {
+ *gids = SMB_REALLOC_ARRAY(*gids, gid_t, *num_gids+1);
+ }
+
+ if (*gids == NULL) {
return;
+ }
- (*gids)[*num] = gid;
- *num += 1;
+ (*gids)[*num_gids] = gid;
+ *num_gids += 1;
}
/****************************************************************************
(*num ) = NULL;
while ((p = Atoic(p, &val, ":,")) != NULL && (*p) != ':') {
- uint32 *tn;
-
- tn = Realloc((*num), ((*count)+1) * sizeof(uint32));
- if (tn == NULL) {
- SAFE_FREE(*num);
+ *num = SMB_REALLOC_ARRAY((*num), uint32, (*count)+1);
+ if (!(*num)) {
return NULL;
- } else
- (*num) = tn;
+ }
(*num)[(*count)] = val;
(*count)++;
p++;
int set_message(char *buf,int num_words,int num_bytes,BOOL zero)
{
- if (zero)
+ if (zero && (num_words || num_bytes)) {
memset(buf + smb_size,'\0',num_words*2 + num_bytes);
+ }
SCVAL(buf,smb_wct,num_words);
SSVAL(buf,smb_vwv + num_words*SIZEOFWORD,num_bytes);
smb_setlen(buf,smb_size + num_words*2 + num_bytes - 4);
trim_string(s,NULL,"/..");
}
-/****************************************************************************
- Make a dir struct.
-****************************************************************************/
-
-void make_dir_struct(char *buf, const char *mask, const char *fname,SMB_OFF_T size,int mode,time_t date, BOOL case_sensitive)
-{
- char *p;
- pstring mask2;
-
- pstrcpy(mask2,mask);
-
- if ((mode & aDIR) != 0)
- size = 0;
-
- memset(buf+1,' ',11);
- if ((p = strchr_m(mask2,'.')) != NULL) {
- *p = 0;
- push_ascii(buf+1,mask2,8, 0);
- push_ascii(buf+9,p+1,3, 0);
- *p = '.';
- } else
- push_ascii(buf+1,mask2,11, 0);
-
- memset(buf+21,'\0',DIR_STRUCT_SIZE-21);
- SCVAL(buf,21,mode);
- put_dos_date(buf,22,date);
- SSVAL(buf,26,size & 0xFFFF);
- SSVAL(buf,28,(size >> 16)&0xFFFF);
- push_ascii(buf+30,fname,12, case_sensitive ? 0 : STR_UPPER);
- DEBUG(8,("put name [%s] from [%s] into dir struct\n",buf+30, fname));
-}
-
/*******************************************************************
Close the low 3 fd's and open dev/null in their place.
********************************************************************/
#endif
}
+/*******************************************************************
+ Write data into an fd at a given offset. Ignore seek errors.
+********************************************************************/
+
+ssize_t write_data_at_offset(int fd, const char *buffer, size_t N, SMB_OFF_T pos)
+{
+ size_t total=0;
+ ssize_t ret;
+
+ if (pos == (SMB_OFF_T)-1) {
+ return write_data(fd, buffer, N);
+ }
+#if defined(HAVE_PWRITE) || defined(HAVE_PRWITE64)
+ while (total < N) {
+ ret = sys_pwrite(fd,buffer + total,N - total, pos);
+ if (ret == -1 && errno == ESPIPE) {
+ return write_data(fd, buffer + total,N - total);
+ }
+ if (ret == -1) {
+ DEBUG(0,("write_data_at_offset: write failure. Error = %s\n", strerror(errno) ));
+ return -1;
+ }
+ if (ret == 0) {
+ return total;
+ }
+ total += ret;
+ pos += ret;
+ }
+ return (ssize_t)total;
+#else
+ /* Use lseek and write_data. */
+ if (sys_lseek(fd, pos, SEEK_SET) == -1) {
+ if (errno != ESPIPE) {
+ return -1;
+ }
+ }
+ return write_data(fd, buffer, N);
+#endif
+}
+
/****************************************************************************
Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
else
size_t num_to_read_thistime;
size_t num_written = 0;
- if ((buf = malloc(TRANSFER_BUF_SIZE)) == NULL)
+ if ((buf = SMB_MALLOC_ARRAY(char, TRANSFER_BUF_SIZE)) == NULL)
return -1;
while (total < n) {
void smb_msleep(unsigned int t)
{
+#if defined(HAVE_NANOSLEEP)
+ struct timespec tval;
+ int ret;
+
+ tval.tv_sec = t/1000;
+ tval.tv_nsec = 1000000*(t%1000);
+
+ do {
+ errno = 0;
+ ret = nanosleep(&tval, &tval);
+ } while (ret < 0 && errno == EINTR && (tval.tv_sec > 0 || tval.tv_nsec > 0));
+#else
unsigned int tdiff=0;
struct timeval tval,t1,t2;
fd_set fds;
GetTimeOfDay(&t1);
- GetTimeOfDay(&t2);
+ t2 = t1;
while (tdiff < t) {
tval.tv_sec = (t-tdiff)/1000;
tdiff = TvalDiff(&t1,&t2);
}
+#endif
}
/****************************************************************************
Become a daemon, discarding the controlling terminal.
****************************************************************************/
-void become_daemon(BOOL Fork)
+void become_daemon(BOOL Fork, BOOL no_process_group)
{
if (Fork) {
if (sys_fork()) {
/* detach from the terminal */
#ifdef HAVE_SETSID
- setsid();
+ if (!no_process_group) setsid();
#elif defined(TIOCNOTTY)
- {
+ if (!no_process_group) {
int i = sys_open("/dev/tty", O_RDWR, 0);
if (i != -1) {
ioctl(i, (int) TIOCNOTTY, (char *)0);
return(False);
}
+#if defined(PARANOID_MALLOC_CHECKER)
+
+/****************************************************************************
+ Internal malloc wrapper. Externally visible.
+****************************************************************************/
+
+void *malloc_(size_t size)
+{
+#undef malloc
+ return malloc(size);
+#define malloc(s) __ERROR_DONT_USE_MALLOC_DIRECTLY
+}
+
+/****************************************************************************
+ Internal calloc wrapper. Not externally visible.
+****************************************************************************/
+
+static void *calloc_(size_t count, size_t size)
+{
+#undef calloc
+ return calloc(count, size);
+#define calloc(n,s) __ERROR_DONT_USE_CALLOC_DIRECTLY
+}
+
+/****************************************************************************
+ Internal realloc wrapper. Not externally visible.
+****************************************************************************/
+
+static void *realloc_(void *ptr, size_t size)
+{
+#undef realloc
+ return realloc(ptr, size);
+#define realloc(p,s) __ERROR_DONT_USE_RELLOC_DIRECTLY
+}
+
+#endif /* PARANOID_MALLOC_CHECKER */
+
+/****************************************************************************
+ Type-safe malloc.
+****************************************************************************/
+
+void *malloc_array(size_t el_size, unsigned int count)
+{
+ if (count >= MAX_ALLOC_SIZE/el_size) {
+ return NULL;
+ }
+
+#if defined(PARANOID_MALLOC_CHECKER)
+ return malloc_(el_size*count);
+#else
+ return malloc(el_size*count);
+#endif
+}
+
+/****************************************************************************
+ Type-safe calloc.
+****************************************************************************/
+
+void *calloc_array(size_t size, size_t nmemb)
+{
+ if (nmemb >= MAX_ALLOC_SIZE/size) {
+ return NULL;
+ }
+#if defined(PARANOID_MALLOC_CHECKER)
+ return calloc_(nmemb, size);
+#else
+ return calloc(nmemb, size);
+#endif
+}
+
/****************************************************************************
Expand a pointer to be a particular size.
+ Note that this version of Realloc has an extra parameter that decides
+ whether to free the passed in storage on allocation failure or if the
+ new size is zero.
+
+ This is designed for use in the typical idiom of :
+
+ p = SMB_REALLOC(p, size)
+ if (!p) {
+ return error;
+ }
+
+ and not to have to keep track of the old 'p' contents to free later, nor
+ to worry if the size parameter was zero. In the case where NULL is returned
+ we guarentee that p has been freed.
+
+ If free later semantics are desired, then pass 'free_old_on_error' as False which
+ guarentees that the old contents are not freed on error, even if size == 0. To use
+ this idiom use :
+
+ tmp = SMB_REALLOC_KEEP_OLD_ON_ERROR(p, size);
+ if (!tmp) {
+ SAFE_FREE(p);
+ return error;
+ } else {
+ p = tmp;
+ }
+
+ Changes were instigated by Coverity error checking. JRA.
****************************************************************************/
-void *Realloc(void *p,size_t size)
+void *Realloc(void *p, size_t size, BOOL free_old_on_error)
{
void *ret=NULL;
if (size == 0) {
- SAFE_FREE(p);
- DEBUG(5,("Realloc asked for 0 bytes\n"));
+ if (free_old_on_error) {
+ SAFE_FREE(p);
+ }
+ DEBUG(2,("Realloc asked for 0 bytes\n"));
return NULL;
}
- if (!p)
+#if defined(PARANOID_MALLOC_CHECKER)
+ if (!p) {
+ ret = (void *)malloc_(size);
+ } else {
+ ret = (void *)realloc_(p,size);
+ }
+#else
+ if (!p) {
ret = (void *)malloc(size);
- else
+ } else {
ret = (void *)realloc(p,size);
+ }
+#endif
- if (!ret)
+ if (!ret) {
+ if (free_old_on_error && p) {
+ SAFE_FREE(p);
+ }
DEBUG(0,("Memory allocation error: failed to expand to %d bytes\n",(int)size));
+ }
return(ret);
}
-void *Realloc_zero(void *ptr, size_t size)
+/****************************************************************************
+ Type-safe realloc.
+****************************************************************************/
+
+void *realloc_array(void *p, size_t el_size, unsigned int count, BOOL free_old_on_error)
{
- void *tptr = NULL;
-
- tptr = Realloc(ptr, size);
- if(tptr == NULL)
+ if (count >= MAX_ALLOC_SIZE/el_size) {
+ if (free_old_on_error) {
+ SAFE_FREE(p);
+ }
return NULL;
+ }
+ return Realloc(p, el_size*count, free_old_on_error);
+}
- memset((char *)tptr,'\0',size);
+/****************************************************************************
+ (Hopefully) efficient array append.
+****************************************************************************/
- return tptr;
+void add_to_large_array(TALLOC_CTX *mem_ctx, size_t element_size,
+ void *element, void *_array, uint32 *num_elements,
+ ssize_t *array_size)
+{
+ void **array = (void **)_array;
+
+ if (*array_size < 0) {
+ return;
+ }
+
+ if (*array == NULL) {
+ if (*array_size == 0) {
+ *array_size = 128;
+ }
+
+ if (*array_size >= MAX_ALLOC_SIZE/element_size) {
+ goto error;
+ }
+
+ if (mem_ctx != NULL) {
+ *array = TALLOC(mem_ctx, element_size * (*array_size));
+ } else {
+ *array = SMB_MALLOC(element_size * (*array_size));
+ }
+
+ if (*array == NULL) {
+ goto error;
+ }
+ }
+
+ if (*num_elements == *array_size) {
+ *array_size *= 2;
+
+ if (*array_size >= MAX_ALLOC_SIZE/element_size) {
+ goto error;
+ }
+
+ if (mem_ctx != NULL) {
+ *array = TALLOC_REALLOC(mem_ctx, *array,
+ element_size * (*array_size));
+ } else {
+ *array = SMB_REALLOC(*array,
+ element_size * (*array_size));
+ }
+
+ if (*array == NULL) {
+ goto error;
+ }
+ }
+
+ memcpy((char *)(*array) + element_size*(*num_elements),
+ element, element_size);
+ *num_elements += 1;
+
+ return;
+
+ error:
+ *num_elements = 0;
+ *array_size = -1;
}
/****************************************************************************
*******************************************************************/
#ifdef WITH_NISPLUS_HOME
-char *automount_lookup( char *user_name)
+char *automount_lookup(const char *user_name)
{
static fstring last_key = "";
static pstring last_value = "";
}
#else /* WITH_NISPLUS_HOME */
-char *automount_lookup( char *user_name)
+char *automount_lookup(const char *user_name)
{
static fstring last_key = "";
static pstring last_value = "";
} else {
if ((nis_error = yp_match(nis_domain, nis_map, user_name, strlen(user_name),
&nis_result, &nis_result_len)) == 0) {
- if (!nis_error && nis_result_len >= sizeof(pstring)) {
- nis_result_len = sizeof(pstring)-1;
- }
fstrcpy(last_key, user_name);
- strncpy(last_value, nis_result, nis_result_len);
- last_value[nis_result_len] = '\0';
+ pstrcpy(last_value, nis_result);
strip_mount_options(&last_value);
} else if(nis_error == YPERR_KEY) {
Check if a process exists. Does this work on all unixes?
****************************************************************************/
-BOOL process_exists(pid_t pid)
+BOOL process_exists(const struct process_id pid)
{
+ if (procid_is_me(&pid)) {
+ return True;
+ }
+
+ if (!procid_is_local(&pid)) {
+ /* This *SEVERELY* needs fixing. */
+ return True;
+ }
+
/* Doing kill with a non-positive pid causes messages to be
* sent to places we don't want. */
- SMB_ASSERT(pid > 0);
- return(kill(pid,0) == 0 || errno != ESRCH);
+ SMB_ASSERT(pid.pid > 0);
+ return(kill(pid.pid,0) == 0 || errno != ESRCH);
+}
+
+BOOL process_exists_by_pid(pid_t pid)
+{
+ return process_exists(pid_to_procid(pid));
}
/*******************************************************************
static fstring name;
struct passwd *pass;
- pass = getpwuid_alloc(uid);
+ pass = getpwuid_alloc(NULL, uid);
if (pass) {
fstrcpy(name, pass->pw_name);
- passwd_free(&pass);
+ TALLOC_FREE(pass);
} else {
slprintf(name, sizeof(name) - 1, "%ld",(long int)uid);
}
char *p;
uid_t u;
- pass = getpwnam_alloc(name);
+ pass = getpwnam_alloc(NULL, name);
if (pass) {
u = pass->pw_uid;
- passwd_free(&pass);
+ TALLOC_FREE(pass);
return u;
}
return (gid_t)-1;
}
-/*******************************************************************
- legacy wrapper for smb_panic2()
-********************************************************************/
-void smb_panic( const char *why )
-{
- smb_panic2( why, True );
-}
-
/*******************************************************************
Something really nasty happened - panic !
********************************************************************/
-#ifdef HAVE_LIBEXC_H
-#include <libexc.h>
-#endif
-
-void smb_panic2(const char *why, BOOL decrement_pid_count )
+void smb_panic(const char *const why)
{
char *cmd;
int result;
-#ifdef HAVE_BACKTRACE_SYMBOLS
- void *backtrace_stack[BACKTRACE_STACK_SIZE];
- size_t backtrace_size;
- char **backtrace_strings;
-#endif
#ifdef DEVELOPER
{
- extern char *global_clobber_region_function;
- extern unsigned int global_clobber_region_line;
if (global_clobber_region_function) {
DEBUG(0,("smb_panic: clobber_region() last called from [%s(%u)]\n",
}
#endif
- /* only smbd needs to decrement the smbd counter in connections.tdb */
- if ( decrement_pid_count )
- decrement_smbd_process_count();
+ DEBUG(0,("PANIC (pid %llu): %s\n",
+ (unsigned long long)sys_getpid(), why));
+ log_stack_trace();
cmd = lp_panic_action();
if (cmd && *cmd) {
DEBUG(0, ("smb_panic(): action returned status %d\n",
WEXITSTATUS(result)));
}
- DEBUG(0,("PANIC: %s\n", why));
-#ifdef HAVE_BACKTRACE_SYMBOLS
+ dump_core();
+}
+
+/*******************************************************************
+ Print a backtrace of the stack to the debug log. This function
+ DELIBERATELY LEAKS MEMORY. The expectation is that you should
+ exit shortly after calling it.
+********************************************************************/
+
+#ifdef HAVE_LIBUNWIND_H
+#include <libunwind.h>
+#endif
+
+#ifdef HAVE_EXECINFO_H
+#include <execinfo.h>
+#endif
+
+#ifdef HAVE_LIBEXC_H
+#include <libexc.h>
+#endif
+
+void log_stack_trace(void)
+{
+#ifdef HAVE_LIBUNWIND
+ /* Try to use libunwind before any other technique since on ia64
+ * libunwind correctly walks the stack in more circumstances than
+ * backtrace.
+ */
+ unw_cursor_t cursor;
+ unw_context_t uc;
+ unsigned i = 0;
+
+ char procname[256];
+ unw_word_t ip, sp, off;
+
+ procname[sizeof(procname) - 1] = '\0';
+
+ if (unw_getcontext(&uc) != 0) {
+ goto libunwind_failed;
+ }
+
+ if (unw_init_local(&cursor, &uc) != 0) {
+ goto libunwind_failed;
+ }
+
+ DEBUG(0, ("BACKTRACE:\n"));
+
+ do {
+ ip = sp = 0;
+ unw_get_reg(&cursor, UNW_REG_IP, &ip);
+ unw_get_reg(&cursor, UNW_REG_SP, &sp);
+
+ switch (unw_get_proc_name(&cursor,
+ procname, sizeof(procname) - 1, &off) ) {
+ case 0:
+ /* Name found. */
+ case -UNW_ENOMEM:
+ /* Name truncated. */
+ DEBUGADD(0, (" #%u %s + %#llx [ip=%#llx] [sp=%#llx]\n",
+ i, procname, (long long)off,
+ (long long)ip, (long long) sp));
+ break;
+ default:
+ /* case -UNW_ENOINFO: */
+ /* case -UNW_EUNSPEC: */
+ /* No symbol name found. */
+ DEBUGADD(0, (" #%u %s [ip=%#llx] [sp=%#llx]\n",
+ i, "<unknown symbol>",
+ (long long)ip, (long long) sp));
+ }
+ ++i;
+ } while (unw_step(&cursor) > 0);
+
+ return;
+
+libunwind_failed:
+ DEBUG(0, ("unable to produce a stack trace with libunwind\n"));
+
+#elif HAVE_BACKTRACE_SYMBOLS
+ void *backtrace_stack[BACKTRACE_STACK_SIZE];
+ size_t backtrace_size;
+ char **backtrace_strings;
+
/* get the backtrace (stack frames) */
backtrace_size = backtrace(backtrace_stack,BACKTRACE_STACK_SIZE);
backtrace_strings = backtrace_symbols(backtrace_stack, backtrace_size);
#elif HAVE_LIBEXC
-#define NAMESIZE 32 /* Arbitrary */
-
/* The IRIX libexc library provides an API for unwinding the stack. See
* libexc(3) for details. Apparantly trace_back_stack leaks memory, but
* since we are about to abort anyway, it hardly matters.
- *
- * Note that if we paniced due to a SIGSEGV or SIGBUS (or similar) this
- * will fail with a nasty message upon failing to open the /proc entry.
*/
- {
- __uint64_t addrs[BACKTRACE_STACK_SIZE];
- char * names[BACKTRACE_STACK_SIZE];
- char namebuf[BACKTRACE_STACK_SIZE * NAMESIZE];
- int i;
- int levels;
+#define NAMESIZE 32 /* Arbitrary */
- ZERO_ARRAY(addrs);
- ZERO_ARRAY(names);
- ZERO_ARRAY(namebuf);
+ __uint64_t addrs[BACKTRACE_STACK_SIZE];
+ char * names[BACKTRACE_STACK_SIZE];
+ char namebuf[BACKTRACE_STACK_SIZE * NAMESIZE];
- for (i = 0; i < BACKTRACE_STACK_SIZE; i++) {
- names[i] = namebuf + (i * NAMESIZE);
- }
+ int i;
+ int levels;
- levels = trace_back_stack(0, addrs, names,
- BACKTRACE_STACK_SIZE, NAMESIZE);
+ ZERO_ARRAY(addrs);
+ ZERO_ARRAY(names);
+ ZERO_ARRAY(namebuf);
- DEBUG(0, ("BACKTRACE: %d stack frames:\n", levels));
- for (i = 0; i < levels; i++) {
- DEBUGADD(0, (" #%d 0x%llx %s\n", i, addrs[i], names[i]));
- }
- }
+ /* We need to be root so we can open our /proc entry to walk
+ * our stack. It also helps when we want to dump core.
+ */
+ become_root();
+
+ for (i = 0; i < BACKTRACE_STACK_SIZE; i++) {
+ names[i] = namebuf + (i * NAMESIZE);
+ }
+
+ levels = trace_back_stack(0, addrs, names,
+ BACKTRACE_STACK_SIZE, NAMESIZE - 1);
+
+ DEBUG(0, ("BACKTRACE: %d stack frames:\n", levels));
+ for (i = 0; i < levels; i++) {
+ DEBUGADD(0, (" #%d 0x%llx %s\n", i, addrs[i], names[i]));
+ }
#undef NAMESIZE
-#endif
- dbgflush();
-#ifdef SIGABRT
- CatchSignal(SIGABRT,SIGNAL_CAST SIG_DFL);
+#else
+ DEBUG(0, ("unable to produce a stack trace on this platform\n"));
#endif
- abort();
}
/*******************************************************************
A readdir wrapper which just returns the file name.
********************************************************************/
-const char *readdirname(DIR *p)
+const char *readdirname(SMB_STRUCT_DIR *p)
{
SMB_STRUCT_DIRENT *ptr;
char *dname;
return(NULL);
#endif
-#ifdef HAVE_BROKEN_READDIR
+#ifdef HAVE_BROKEN_READDIR_NAME
/* using /usr/ucb/cc is BAD */
dname = dname - 2;
#endif
/* Get the last component of the unix name. */
p = strrchr_m(name, '/');
- strncpy(last_component, p ? ++p : name, sizeof(last_component)-1);
- last_component[sizeof(last_component)-1] = '\0';
+ pstrcpy(last_component, p ? ++p : name);
for(; namelist->name != NULL; namelist++) {
if(namelist->is_wild) {
if(num_entries == 0)
return;
- if(( (*ppname_array) = (name_compare_entry *)malloc(
- (num_entries + 1) * sizeof(name_compare_entry))) == NULL) {
+ if(( (*ppname_array) = SMB_MALLOC_ARRAY(name_compare_entry, num_entries + 1)) == NULL) {
DEBUG(0,("set_namearray: malloc fail\n"));
return;
}
break;
(*ppname_array)[i].is_wild = ms_has_wild(nameptr);
- if(((*ppname_array)[i].name = strdup(nameptr)) == NULL) {
+ if(((*ppname_array)[i].name = SMB_STRDUP(nameptr)) == NULL) {
DEBUG(0,("set_namearray: malloc fail (1)\n"));
return;
}
SAFE_FREE(name_array);
}
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_LOCKING
+
/****************************************************************************
Simple routine to do POSIX file locking. Cruft in NFS and 64->32 bit mapping
is dealt with in posix.c
+ Returns True if the lock was granted, False otherwise.
****************************************************************************/
BOOL fcntl_lock(int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
SMB_STRUCT_FLOCK lock;
int ret;
- DEBUG(8,("fcntl_lock %d %d %.0f %.0f %d\n",fd,op,(double)offset,(double)count,type));
+ DEBUG(8,("fcntl_lock fd=%d op=%d offset=%.0f count=%.0f type=%d\n",
+ fd,op,(double)offset,(double)count,type));
lock.l_type = type;
lock.l_whence = SEEK_SET;
ret = sys_fcntl_ptr(fd,op,&lock);
- if (ret == -1 && errno != 0)
- DEBUG(3,("fcntl_lock: fcntl lock gave errno %d (%s)\n",errno,strerror(errno)));
-
- /* a lock query */
- if (op == SMB_F_GETLK) {
- if ((ret != -1) &&
- (lock.l_type != F_UNLCK) &&
- (lock.l_pid != 0) &&
- (lock.l_pid != sys_getpid())) {
- DEBUG(3,("fcntl_lock: fd %d is locked by pid %d\n",fd,(int)lock.l_pid));
- return(True);
- }
-
- /* it must be not locked or locked by me */
- return(False);
- }
-
- /* a lock set or unset */
if (ret == -1) {
+ int sav = errno;
DEBUG(3,("fcntl_lock: lock failed at offset %.0f count %.0f op %d type %d (%s)\n",
(double)offset,(double)count,op,type,strerror(errno)));
- return(False);
+ errno = sav;
+ return False;
}
/* everything went OK */
DEBUG(8,("fcntl_lock: Lock call successful\n"));
- return(True);
+ return True;
}
+/****************************************************************************
+ Simple routine to query existing file locks. Cruft in NFS and 64->32 bit mapping
+ is dealt with in posix.c
+ Returns True if we have information regarding this lock region (and returns
+ F_UNLCK in *ptype if the region is unlocked). False if the call failed.
+****************************************************************************/
+
+BOOL fcntl_getlock(int fd, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid)
+{
+ SMB_STRUCT_FLOCK lock;
+ int ret;
+
+ DEBUG(8,("fcntl_getlock fd=%d offset=%.0f count=%.0f type=%d\n",
+ fd,(double)*poffset,(double)*pcount,*ptype));
+
+ lock.l_type = *ptype;
+ lock.l_whence = SEEK_SET;
+ lock.l_start = *poffset;
+ lock.l_len = *pcount;
+ lock.l_pid = 0;
+
+ ret = sys_fcntl_ptr(fd,SMB_F_GETLK,&lock);
+
+ if (ret == -1) {
+ int sav = errno;
+ DEBUG(3,("fcntl_getlock: lock request failed at offset %.0f count %.0f type %d (%s)\n",
+ (double)*poffset,(double)*pcount,*ptype,strerror(errno)));
+ errno = sav;
+ return False;
+ }
+
+ *ptype = lock.l_type;
+ *poffset = lock.l_start;
+ *pcount = lock.l_len;
+ *ppid = lock.l_pid;
+
+ DEBUG(3,("fcntl_getlock: fd %d is returned info %d pid %u\n",
+ fd, (int)lock.l_type, (unsigned int)lock.l_pid));
+ return True;
+}
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_ALL
+
/*******************************************************************
Is the name specified one of my netbios names.
Returns true if it is equal, false otherwise.
void set_remote_arch(enum remote_arch_types type)
{
- extern fstring remote_arch;
ra_type = type;
switch( type ) {
case RA_WFWG:
DEBUG(11, ("%s", msg));
if (data != NULL && len > 0)
{
- dump_data(11, data, len);
+ dump_data(11, (const char *)data, len);
}
#endif
}
#endif
}
-/*****************************************************************
- Splits out the start of the key (HKLM or HKU) and the rest of the key.
-*****************************************************************/
-
-BOOL reg_split_key(const char *full_keyname, uint32 *reg_type, char *key_name)
-{
- pstring tmp;
-
- if (!next_token(&full_keyname, tmp, "\\", sizeof(tmp)))
- return False;
-
- (*reg_type) = 0;
-
- DEBUG(10, ("reg_split_key: hive %s\n", tmp));
-
- if (strequal(tmp, "HKLM") || strequal(tmp, "HKEY_LOCAL_MACHINE"))
- (*reg_type) = HKEY_LOCAL_MACHINE;
- else if (strequal(tmp, "HKU") || strequal(tmp, "HKEY_USERS"))
- (*reg_type) = HKEY_USERS;
- else {
- DEBUG(10,("reg_split_key: unrecognised hive key %s\n", tmp));
- return False;
- }
-
- if (next_token(&full_keyname, tmp, "\n\r", sizeof(tmp)))
- fstrcpy(key_name, tmp);
- else
- key_name[0] = 0;
-
- DEBUG(10, ("reg_split_key: name %s\n", key_name));
-
- return True;
-}
-
/*****************************************************************
Possibly replace mkstemp if it is broken.
*****************************************************************/
-int smb_mkstemp(char *template)
+int smb_mkstemp(char *name_template)
{
#if HAVE_SECURE_MKSTEMP
- return mkstemp(template);
+ return mkstemp(name_template);
#else
/* have a reasonable go at emulating it. Hope that
the system mktemp() isn't completly hopeless */
- char *p = mktemp(template);
+ char *p = mktemp(name_template);
if (!p)
return -1;
return open(p, O_CREAT|O_EXCL|O_RDWR, 0600);
malloc that aborts with smb_panic on fail or zero size.
*****************************************************************/
-void *smb_xmalloc(size_t size)
+void *smb_xmalloc_array(size_t size, unsigned int count)
{
void *p;
if (size == 0)
- smb_panic("smb_xmalloc: called with zero size.\n");
- if ((p = malloc(size)) == NULL) {
- DEBUG(0, ("smb_xmalloc() failed to allocate %lu bytes\n", (unsigned long)size));
- smb_panic("smb_xmalloc: malloc fail.\n");
+ smb_panic("smb_xmalloc_array: called with zero size.\n");
+ if (count >= MAX_ALLOC_SIZE/size) {
+ smb_panic("smb_xmalloc: alloc size too large.\n");
+ }
+ if ((p = SMB_MALLOC(size*count)) == NULL) {
+ DEBUG(0, ("smb_xmalloc_array failed to allocate %lu * %lu bytes\n",
+ (unsigned long)size, (unsigned long)count));
+ smb_panic("smb_xmalloc_array: malloc fail.\n");
}
return p;
}
void *smb_xmemdup(const void *p, size_t size)
{
void *p2;
- p2 = smb_xmalloc(size);
+ p2 = SMB_XMALLOC_ARRAY(unsigned char,size);
memcpy(p2, p, size);
return p2;
}
char *smb_xstrdup(const char *s)
{
+#if defined(PARANOID_MALLOC_CHECKER)
+#ifdef strdup
+#undef strdup
+#endif
+#endif
char *s1 = strdup(s);
+#if defined(PARANOID_MALLOC_CHECKER)
+#define strdup(s) __ERROR_DONT_USE_STRDUP_DIRECTLY
+#endif
if (!s1)
smb_panic("smb_xstrdup: malloc fail\n");
return s1;
+
}
/**
char *smb_xstrndup(const char *s, size_t n)
{
+#if defined(PARANOID_MALLOC_CHECKER)
+#ifdef strndup
+#undef strndup
+#endif
+#endif
char *s1 = strndup(s, n);
+#if defined(PARANOID_MALLOC_CHECKER)
+#define strndup(s,n) __ERROR_DONT_USE_STRNDUP_DIRECTLY
+#endif
if (!s1)
smb_panic("smb_xstrndup: malloc fail\n");
return s1;
void *p2;
if (size == 0)
return NULL;
- p2 = malloc(size);
+ p2 = SMB_MALLOC(size);
if (!p2)
return NULL;
memcpy(p2, p, size);
BOOL ms_has_wild(const char *s)
{
char c;
+
+ if (lp_posix_pathnames()) {
+ /* With posix pathnames no characters are wild. */
+ return False;
+ }
+
while ((c = *s++)) {
switch (c) {
case '*':
if (strcmp(pattern,".") == 0)
return False;
- return ms_fnmatch(pattern, string, Protocol, is_case_sensitive) == 0;
+ return ms_fnmatch(pattern, string, Protocol <= PROTOCOL_LANMAN2, is_case_sensitive) == 0;
+}
+
+/*******************************************************************
+ A wrapper that handles case sensitivity and the special handling
+ of the ".." name. Varient that is only called by old search code which requires
+ pattern translation.
+*******************************************************************/
+
+BOOL mask_match_search(const char *string, char *pattern, BOOL is_case_sensitive)
+{
+ if (strcmp(string,"..") == 0)
+ string = ".";
+ if (strcmp(pattern,".") == 0)
+ return False;
+
+ return ms_fnmatch(pattern, string, True, is_case_sensitive) == 0;
}
/*******************************************************************
/*******************************************************************
Simple case insensitive interface to a UNIX wildcard matcher.
+ Returns True if match, False if not.
*******************************************************************/
BOOL unix_wild_match(const char *pattern, const char *string)
if (strequal(p2,"*"))
return True;
- return unix_do_match(p2, s2) == 0;
+ return unix_do_match(p2, s2);
}
/**********************************************************************
void name_to_fqdn(fstring fqdn, const char *name)
{
struct hostent *hp = sys_gethostbyname(name);
+
if ( hp && hp->h_name && *hp->h_name ) {
- DEBUG(10,("name_to_fqdn: lookup for %s -> %s.\n", name, hp->h_name));
- fstrcpy(fqdn,hp->h_name);
+ char *full = NULL;
+
+ /* find out if the fqdn is returned as an alias
+ * to cope with /etc/hosts files where the first
+ * name is not the fqdn but the short name */
+ if (hp->h_aliases && (! strchr_m(hp->h_name, '.'))) {
+ int i;
+ for (i = 0; hp->h_aliases[i]; i++) {
+ if (strchr_m(hp->h_aliases[i], '.')) {
+ full = hp->h_aliases[i];
+ break;
+ }
+ }
+ }
+ if (full && (StrCaseCmp(full, "localhost.localdomain") == 0)) {
+ DEBUG(1, ("WARNING: your /etc/hosts file may be broken!\n"));
+ DEBUGADD(1, (" Specifing the machine hostname for address 127.0.0.1 may lead\n"));
+ DEBUGADD(1, (" to Kerberos authentication probelms as localhost.localdomain\n"));
+ DEBUGADD(1, (" may end up being used instead of the real machine FQDN.\n"));
+ full = hp->h_name;
+ }
+
+ if (!full) {
+ full = hp->h_name;
+ }
+
+ DEBUG(10,("name_to_fqdn: lookup for %s -> %s.\n", name, full));
+ fstrcpy(fqdn, full);
} else {
DEBUG(10,("name_to_fqdn: lookup for %s failed.\n", name));
fstrcpy(fqdn, name);
}
}
+/**********************************************************************
+ Extension to talloc_get_type: Abort on type mismatch
+***********************************************************************/
+
+void *talloc_check_name_abort(const void *ptr, const char *name)
+{
+ void *result;
+
+ result = talloc_check_name(ptr, name);
+ if (result != NULL)
+ return result;
+
+ DEBUG(0, ("Talloc type mismatch, expected %s, got %s\n",
+ name, talloc_get_name(ptr)));
+ smb_panic("aborting");
+ /* Keep the compiler happy */
+ return NULL;
+}
+
+
#ifdef __INSURE__
/*******************************************************************
return ret;
}
#endif
+
+uint32 map_share_mode_to_deny_mode(uint32 share_access, uint32 private_options)
+{
+ switch (share_access & ~FILE_SHARE_DELETE) {
+ case FILE_SHARE_NONE:
+ return DENY_ALL;
+ case FILE_SHARE_READ:
+ return DENY_WRITE;
+ case FILE_SHARE_WRITE:
+ return DENY_READ;
+ case FILE_SHARE_READ|FILE_SHARE_WRITE:
+ return DENY_NONE;
+ }
+ if (private_options & NTCREATEX_OPTIONS_PRIVATE_DENY_DOS) {
+ return DENY_DOS;
+ } else if (private_options & NTCREATEX_OPTIONS_PRIVATE_DENY_FCB) {
+ return DENY_FCB;
+ }
+
+ return (uint32)-1;
+}
+
+pid_t procid_to_pid(const struct process_id *proc)
+{
+ return proc->pid;
+}
+
+struct process_id pid_to_procid(pid_t pid)
+{
+ struct process_id result;
+ result.pid = pid;
+ return result;
+}
+
+struct process_id procid_self(void)
+{
+ return pid_to_procid(sys_getpid());
+}
+
+BOOL procid_equal(const struct process_id *p1, const struct process_id *p2)
+{
+ return (p1->pid == p2->pid);
+}
+
+BOOL procid_is_me(const struct process_id *pid)
+{
+ return (pid->pid == sys_getpid());
+}
+
+struct process_id interpret_pid(const char *pid_string)
+{
+ return pid_to_procid(atoi(pid_string));
+}
+
+char *procid_str_static(const struct process_id *pid)
+{
+ static fstring str;
+ fstr_sprintf(str, "%d", pid->pid);
+ return str;
+}
+
+char *procid_str(TALLOC_CTX *mem_ctx, const struct process_id *pid)
+{
+ return talloc_strdup(mem_ctx, procid_str_static(pid));
+}
+
+BOOL procid_valid(const struct process_id *pid)
+{
+ return (pid->pid != -1);
+}
+
+BOOL procid_is_local(const struct process_id *pid)
+{
+ return True;
+}
+
+int this_is_smp(void)
+{
+#if defined(HAVE_SYSCONF)
+
+#if defined(SYSCONF_SC_NPROC_ONLN)
+ return (sysconf(_SC_NPROC_ONLN) > 1) ? 1 : 0;
+#elif defined(SYSCONF_SC_NPROCESSORS_ONLN)
+ return (sysconf(_SC_NPROCESSORS_ONLN) > 1) ? 1 : 0;
+#else
+ return 0;
+#endif
+
+#else
+ return 0;
+#endif
+}
git.samba.org / metze / old / v3-2-winbind-ndr.git / blobdiff