--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Jeremy Allison 2001-2002
+ Copyright (C) Simo Sorce 2001
+ Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
+
+ 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.
+*/
+
+#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
+/*
+ * The following lines are needed due to buggy include files
+ * in Solaris 2.6 which define GROUP in both /usr/include/sys/acl.h and
+ * also in /usr/include/rpcsvc/nis.h. The definitions conflict. JRA.
+ * Also GROUP_OBJ is defined as 0x4 in /usr/include/sys/acl.h and as
+ * an enum in /usr/include/rpcsvc/nis.h.
+ */
+
+#if defined(GROUP)
+#undef GROUP
+#endif
+
+#if defined(GROUP_OBJ)
+#undef GROUP_OBJ
+#endif
+
+#endif /* BROKEN_NISPLUS_INCLUDE_FILES */
+
+#include <rpcsvc/nis.h>
+
+#endif /* WITH_NISPLUS_HOME */
+#endif /* HAVE_NETGROUP && WITH_AUTOMOUNT */
+
+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,"",""};
+
+/* this is used by the chaining code */
+int chain_size = 0;
+
+int trans_num = 0;
+
+static enum remote_arch_types ra_type = RA_UNKNOWN;
+pstring user_socket_options=DEFAULT_SOCKET_OPTIONS;
+
+/***********************************************************************
+ Definitions for all names.
+***********************************************************************/
+
+static char *smb_myname;
+static char *smb_myworkgroup;
+static char *smb_scope;
+static int smb_num_netbios_names;
+static char **smb_my_netbios_names;
+
+/***********************************************************************
+ Allocate and set myname. Ensure upper case.
+***********************************************************************/
+
+BOOL set_global_myname(const char *myname)
+{
+ SAFE_FREE(smb_myname);
+ smb_myname = SMB_STRDUP(myname);
+ if (!smb_myname)
+ return False;
+ strupper_m(smb_myname);
+ return True;
+}
+
+const char *global_myname(void)
+{
+ return smb_myname;
+}
+
+/***********************************************************************
+ Allocate and set myworkgroup. Ensure upper case.
+***********************************************************************/
+
+BOOL set_global_myworkgroup(const char *myworkgroup)
+{
+ SAFE_FREE(smb_myworkgroup);
+ smb_myworkgroup = SMB_STRDUP(myworkgroup);
+ if (!smb_myworkgroup)
+ return False;
+ strupper_m(smb_myworkgroup);
+ return True;
+}
+
+const char *lp_workgroup(void)
+{
+ return smb_myworkgroup;
+}
+
+/***********************************************************************
+ Allocate and set scope. Ensure upper case.
+***********************************************************************/
+
+BOOL set_global_scope(const char *scope)
+{
+ SAFE_FREE(smb_scope);
+ smb_scope = SMB_STRDUP(scope);
+ if (!smb_scope)
+ return False;
+ strupper_m(smb_scope);
+ return True;
+}
+
+/*********************************************************************
+ Ensure scope is never null string.
+*********************************************************************/
+
+const char *global_scope(void)
+{
+ if (!smb_scope)
+ set_global_scope("");
+ return smb_scope;
+}
+
+static void free_netbios_names_array(void)
+{
+ int i;
+
+ for (i = 0; i < smb_num_netbios_names; i++)
+ SAFE_FREE(smb_my_netbios_names[i]);
+
+ SAFE_FREE(smb_my_netbios_names);
+ smb_num_netbios_names = 0;
+}
+
+static BOOL allocate_my_netbios_names_array(size_t number)
+{
+ free_netbios_names_array();
+
+ smb_num_netbios_names = number + 1;
+ smb_my_netbios_names = SMB_MALLOC_ARRAY( char *, smb_num_netbios_names );
+
+ if (!smb_my_netbios_names)
+ return False;
+
+ memset(smb_my_netbios_names, '\0', sizeof(char *) * smb_num_netbios_names);
+ return True;
+}
+
+static BOOL set_my_netbios_names(const char *name, int i)
+{
+ SAFE_FREE(smb_my_netbios_names[i]);
+
+ 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;
+}
+
+const char *my_netbios_names(int i)
+{
+ return smb_my_netbios_names[i];
+}
+
+BOOL set_netbios_aliases(const char **str_array)
+{
+ size_t namecount;
+
+ /* Work out the max number of netbios aliases that we have */
+ for( namecount=0; str_array && (str_array[namecount] != NULL); namecount++ )
+ ;
+
+ if ( global_myname() && *global_myname())
+ namecount++;
+
+ /* Allocate space for the netbios aliases */
+ if (!allocate_my_netbios_names_array(namecount))
+ return False;
+
+ /* Use the global_myname string first */
+ namecount=0;
+ if ( global_myname() && *global_myname()) {
+ set_my_netbios_names( global_myname(), namecount );
+ namecount++;
+ }
+
+ if (str_array) {
+ size_t i;
+ for ( i = 0; str_array[i] != NULL; i++) {
+ size_t n;
+ BOOL duplicate = False;
+
+ /* Look for duplicates */
+ for( n=0; n<namecount; n++ ) {
+ if( strequal( str_array[i], my_netbios_names(n) ) ) {
+ duplicate = True;
+ break;
+ }
+ }
+ if (!duplicate) {
+ if (!set_my_netbios_names(str_array[i], namecount))
+ return False;
+ namecount++;
+ }
+ }
+ }
+ return True;
+}
+
+/****************************************************************************
+ Common name initialization code.
+****************************************************************************/
+
+BOOL init_names(void)
+{
+ char *p;
+ int n;
+
+ if (global_myname() == NULL || *global_myname() == '\0') {
+ if (!set_global_myname(myhostname())) {
+ DEBUG( 0, ( "init_structs: malloc fail.\n" ) );
+ return False;
+ }
+ }
+
+ if (!set_netbios_aliases(lp_netbios_aliases())) {
+ DEBUG( 0, ( "init_structs: malloc fail.\n" ) );
+ return False;
+ }
+
+ fstrcpy( local_machine, global_myname() );
+ trim_char( local_machine, ' ', ' ' );
+ p = strchr( local_machine, ' ' );
+ if (p)
+ *p = 0;
+ strlower_m( local_machine );
+
+ DEBUG( 5, ("Netbios name list:-\n") );
+ for( n=0; my_netbios_names(n); n++ )
+ DEBUGADD( 5, ( "my_netbios_names[%d]=\"%s\"\n", n, my_netbios_names(n) ) );
+
+ return( True );
+}
+
+/**************************************************************************n
+ Find a suitable temporary directory. The result should be copied immediately
+ as it may be overwritten by a subsequent call.
+****************************************************************************/
+
+const char *tmpdir(void)
+{
+ char *p;
+ if ((p = getenv("TMPDIR")))
+ return p;
+ return "/tmp";
+}
+
+/****************************************************************************
+ Add a gid to an array of gids if it's not already there.
+****************************************************************************/
+
+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_gids; i++) {
+ if ((*gids)[i] == gid)
+ return;
+ }
+
+ 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_gids] = gid;
+ *num_gids += 1;
+}
+
+/****************************************************************************
+ Like atoi but gets the value up to the separator character.
+****************************************************************************/
+
+static const char *Atoic(const char *p, int *n, const char *c)
+{
+ if (!isdigit((int)*p)) {
+ DEBUG(5, ("Atoic: malformed number\n"));
+ return NULL;
+ }
+
+ (*n) = atoi(p);
+
+ while ((*p) && isdigit((int)*p))
+ p++;
+
+ if (strchr_m(c, *p) == NULL) {
+ DEBUG(5, ("Atoic: no separator characters (%s) not found\n", c));
+ return NULL;
+ }
+
+ return p;
+}
+
+/*************************************************************************
+ Reads a list of numbers.
+ *************************************************************************/
+
+const char *get_numlist(const char *p, uint32 **num, int *count)
+{
+ int val;
+
+ if (num == NULL || count == NULL)
+ return NULL;
+
+ (*count) = 0;
+ (*num ) = NULL;
+
+ while ((p = Atoic(p, &val, ":,")) != NULL && (*p) != ':') {
+ uint32 *tn;
+
+ tn = SMB_REALLOC_ARRAY((*num), uint32, (*count)+1);
+ if (tn == NULL) {
+ SAFE_FREE(*num);
+ return NULL;
+ } else
+ (*num) = tn;
+ (*num)[(*count)] = val;
+ (*count)++;
+ p++;
+ }
+
+ return p;
+}
+
+/*******************************************************************
+ Check if a file exists - call vfs_file_exist for samba files.
+********************************************************************/
+
+BOOL file_exist(const char *fname,SMB_STRUCT_STAT *sbuf)
+{
+ SMB_STRUCT_STAT st;
+ if (!sbuf)
+ sbuf = &st;
+
+ if (sys_stat(fname,sbuf) != 0)
+ return(False);
+
+ return((S_ISREG(sbuf->st_mode)) || (S_ISFIFO(sbuf->st_mode)));
+}
+
+/*******************************************************************
+ Check a files mod time.
+********************************************************************/
+
+time_t file_modtime(const char *fname)
+{
+ SMB_STRUCT_STAT st;
+
+ if (sys_stat(fname,&st) != 0)
+ return(0);
+
+ return(st.st_mtime);
+}
+
+/*******************************************************************
+ Check if a directory exists.
+********************************************************************/
+
+BOOL directory_exist(char *dname,SMB_STRUCT_STAT *st)
+{
+ SMB_STRUCT_STAT st2;
+ BOOL ret;
+
+ if (!st)
+ st = &st2;
+
+ if (sys_stat(dname,st) != 0)
+ return(False);
+
+ ret = S_ISDIR(st->st_mode);
+ if(!ret)
+ errno = ENOTDIR;
+ return ret;
+}
+
+/*******************************************************************
+ Returns the size in bytes of the named file.
+********************************************************************/
+
+SMB_OFF_T get_file_size(char *file_name)
+{
+ SMB_STRUCT_STAT buf;
+ buf.st_size = 0;
+ if(sys_stat(file_name,&buf) != 0)
+ return (SMB_OFF_T)-1;
+ return(buf.st_size);
+}
+
+/*******************************************************************
+ Return a string representing an attribute for a file.
+********************************************************************/
+
+char *attrib_string(uint16 mode)
+{
+ static fstring attrstr;
+
+ attrstr[0] = 0;
+
+ if (mode & aVOLID) fstrcat(attrstr,"V");
+ if (mode & aDIR) fstrcat(attrstr,"D");
+ if (mode & aARCH) fstrcat(attrstr,"A");
+ if (mode & aHIDDEN) fstrcat(attrstr,"H");
+ if (mode & aSYSTEM) fstrcat(attrstr,"S");
+ if (mode & aRONLY) fstrcat(attrstr,"R");
+
+ return(attrstr);
+}
+
+/*******************************************************************
+ Show a smb message structure.
+********************************************************************/
+
+void show_msg(char *buf)
+{
+ int i;
+ int bcc=0;
+
+ if (!DEBUGLVL(5))
+ return;
+
+ DEBUG(5,("size=%d\nsmb_com=0x%x\nsmb_rcls=%d\nsmb_reh=%d\nsmb_err=%d\nsmb_flg=%d\nsmb_flg2=%d\n",
+ smb_len(buf),
+ (int)CVAL(buf,smb_com),
+ (int)CVAL(buf,smb_rcls),
+ (int)CVAL(buf,smb_reh),
+ (int)SVAL(buf,smb_err),
+ (int)CVAL(buf,smb_flg),
+ (int)SVAL(buf,smb_flg2)));
+ DEBUGADD(5,("smb_tid=%d\nsmb_pid=%d\nsmb_uid=%d\nsmb_mid=%d\n",
+ (int)SVAL(buf,smb_tid),
+ (int)SVAL(buf,smb_pid),
+ (int)SVAL(buf,smb_uid),
+ (int)SVAL(buf,smb_mid)));
+ DEBUGADD(5,("smt_wct=%d\n",(int)CVAL(buf,smb_wct)));
+
+ for (i=0;i<(int)CVAL(buf,smb_wct);i++)
+ DEBUGADD(5,("smb_vwv[%2d]=%5d (0x%X)\n",i,
+ SVAL(buf,smb_vwv+2*i),SVAL(buf,smb_vwv+2*i)));
+
+ bcc = (int)SVAL(buf,smb_vwv+2*(CVAL(buf,smb_wct)));
+
+ DEBUGADD(5,("smb_bcc=%d\n",bcc));
+
+ if (DEBUGLEVEL < 10)
+ return;
+
+ if (DEBUGLEVEL < 50)
+ bcc = MIN(bcc, 512);
+
+ dump_data(10, smb_buf(buf), bcc);
+}
+
+/*******************************************************************
+ Set the length and marker of an smb packet.
+********************************************************************/
+
+void smb_setlen(char *buf,int len)
+{
+ _smb_setlen(buf,len);
+
+ SCVAL(buf,4,0xFF);
+ SCVAL(buf,5,'S');
+ SCVAL(buf,6,'M');
+ SCVAL(buf,7,'B');
+}
+
+/*******************************************************************
+ Setup the word count and byte count for a smb message.
+********************************************************************/
+
+int set_message(char *buf,int num_words,int num_bytes,BOOL zero)
+{
+ if (zero)
+ 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);
+ return (smb_size + num_words*2 + num_bytes);
+}
+
+/*******************************************************************
+ Setup only the byte count for a smb message.
+********************************************************************/
+
+int set_message_bcc(char *buf,int num_bytes)
+{
+ int num_words = CVAL(buf,smb_wct);
+ SSVAL(buf,smb_vwv + num_words*SIZEOFWORD,num_bytes);
+ smb_setlen(buf,smb_size + num_words*2 + num_bytes - 4);
+ return (smb_size + num_words*2 + num_bytes);
+}
+
+/*******************************************************************
+ Setup only the byte count for a smb message, using the end of the
+ message as a marker.
+********************************************************************/
+
+int set_message_end(void *outbuf,void *end_ptr)
+{
+ return set_message_bcc((char *)outbuf,PTR_DIFF(end_ptr,smb_buf((char *)outbuf)));
+}
+
+/*******************************************************************
+ Reduce a file name, removing .. elements.
+********************************************************************/
+
+void dos_clean_name(char *s)
+{
+ char *p=NULL;
+
+ DEBUG(3,("dos_clean_name [%s]\n",s));
+
+ /* remove any double slashes */
+ all_string_sub(s, "\\\\", "\\", 0);
+
+ while ((p = strstr_m(s,"\\..\\")) != NULL) {
+ pstring s1;
+
+ *p = 0;
+ pstrcpy(s1,p+3);
+
+ if ((p=strrchr_m(s,'\\')) != NULL)
+ *p = 0;
+ else
+ *s = 0;
+ pstrcat(s,s1);
+ }
+
+ trim_string(s,NULL,"\\..");
+
+ all_string_sub(s, "\\.\\", "\\", 0);
+}
+
+/*******************************************************************
+ Reduce a file name, removing .. elements.
+********************************************************************/
+
+void unix_clean_name(char *s)
+{
+ char *p=NULL;
+
+ DEBUG(3,("unix_clean_name [%s]\n",s));
+
+ /* remove any double slashes */
+ all_string_sub(s, "//","/", 0);
+
+ /* Remove leading ./ characters */
+ if(strncmp(s, "./", 2) == 0) {
+ trim_string(s, "./", NULL);
+ if(*s == 0)
+ pstrcpy(s,"./");
+ }
+
+ while ((p = strstr_m(s,"/../")) != NULL) {
+ pstring s1;
+
+ *p = 0;
+ pstrcpy(s1,p+3);
+
+ if ((p=strrchr_m(s,'/')) != NULL)
+ *p = 0;
+ else
+ *s = 0;
+ pstrcat(s,s1);
+ }
+
+ trim_string(s,NULL,"/..");
+}
+
+/*******************************************************************
+ Close the low 3 fd's and open dev/null in their place.
+********************************************************************/
+
+void close_low_fds(BOOL stderr_too)
+{
+#ifndef VALGRIND
+ int fd;
+ int i;
+
+ close(0);
+ close(1);
+
+ if (stderr_too)
+ close(2);
+
+ /* try and use up these file descriptors, so silly
+ library routines writing to stdout etc won't cause havoc */
+ for (i=0;i<3;i++) {
+ if (i == 2 && !stderr_too)
+ continue;
+
+ fd = sys_open("/dev/null",O_RDWR,0);
+ if (fd < 0)
+ fd = sys_open("/dev/null",O_WRONLY,0);
+ if (fd < 0) {
+ DEBUG(0,("Can't open /dev/null\n"));
+ return;
+ }
+ if (fd != i) {
+ DEBUG(0,("Didn't get file descriptor %d\n",i));
+ return;
+ }
+ }
+#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
+ if SYSV use O_NDELAY
+ if BSD use FNDELAY
+****************************************************************************/
+
+int set_blocking(int fd, BOOL set)
+{
+ int val;
+#ifdef O_NONBLOCK
+#define FLAG_TO_SET O_NONBLOCK
+#else
+#ifdef SYSV
+#define FLAG_TO_SET O_NDELAY
+#else /* BSD */
+#define FLAG_TO_SET FNDELAY
+#endif
+#endif
+
+ if((val = sys_fcntl_long(fd, F_GETFL, 0)) == -1)
+ return -1;
+ if(set) /* Turn blocking on - ie. clear nonblock flag */
+ val &= ~FLAG_TO_SET;
+ else
+ val |= FLAG_TO_SET;
+ return sys_fcntl_long( fd, F_SETFL, val);
+#undef FLAG_TO_SET
+}
+
+/****************************************************************************
+ Transfer some data between two fd's.
+****************************************************************************/
+
+#ifndef TRANSFER_BUF_SIZE
+#define TRANSFER_BUF_SIZE 65536
+#endif
+
+ssize_t transfer_file_internal(int infd, int outfd, size_t n, ssize_t (*read_fn)(int, void *, size_t),
+ ssize_t (*write_fn)(int, const void *, size_t))
+{
+ char *buf;
+ size_t total = 0;
+ ssize_t read_ret;
+ ssize_t write_ret;
+ size_t num_to_read_thistime;
+ size_t num_written = 0;
+
+ if ((buf = SMB_MALLOC(TRANSFER_BUF_SIZE)) == NULL)
+ return -1;
+
+ while (total < n) {
+ num_to_read_thistime = MIN((n - total), TRANSFER_BUF_SIZE);
+
+ read_ret = (*read_fn)(infd, buf, num_to_read_thistime);
+ if (read_ret == -1) {
+ DEBUG(0,("transfer_file_internal: read failure. Error = %s\n", strerror(errno) ));
+ SAFE_FREE(buf);
+ return -1;
+ }
+ if (read_ret == 0)
+ break;
+
+ num_written = 0;
+
+ while (num_written < read_ret) {
+ write_ret = (*write_fn)(outfd,buf + num_written, read_ret - num_written);
+
+ if (write_ret == -1) {
+ DEBUG(0,("transfer_file_internal: write failure. Error = %s\n", strerror(errno) ));
+ SAFE_FREE(buf);
+ return -1;
+ }
+ if (write_ret == 0)
+ return (ssize_t)total;
+
+ num_written += (size_t)write_ret;
+ }
+
+ total += (size_t)read_ret;
+ }
+
+ SAFE_FREE(buf);
+ return (ssize_t)total;
+}
+
+SMB_OFF_T transfer_file(int infd,int outfd,SMB_OFF_T n)
+{
+ return (SMB_OFF_T)transfer_file_internal(infd, outfd, (size_t)n, sys_read, sys_write);
+}
+
+/*******************************************************************
+ Sleep for a specified number of milliseconds.
+********************************************************************/
+
+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);
+ t2 = t1;
+
+ while (tdiff < t) {
+ tval.tv_sec = (t-tdiff)/1000;
+ tval.tv_usec = 1000*((t-tdiff)%1000);
+
+ /* Never wait for more than 1 sec. */
+ if (tval.tv_sec > 1) {
+ tval.tv_sec = 1;
+ tval.tv_usec = 0;
+ }
+
+ FD_ZERO(&fds);
+ errno = 0;
+ sys_select_intr(0,&fds,NULL,NULL,&tval);
+
+ GetTimeOfDay(&t2);
+ if (t2.tv_sec < t1.tv_sec) {
+ /* Someone adjusted time... */
+ t1 = t2;
+ }
+
+ tdiff = TvalDiff(&t1,&t2);
+ }
+#endif
+}
+
+/****************************************************************************
+ Become a daemon, discarding the controlling terminal.
+****************************************************************************/
+
+void become_daemon(BOOL Fork)
+{
+ if (Fork) {
+ if (sys_fork()) {
+ _exit(0);
+ }
+ }
+
+ /* detach from the terminal */
+#ifdef HAVE_SETSID
+ setsid();
+#elif defined(TIOCNOTTY)
+ {
+ int i = sys_open("/dev/tty", O_RDWR, 0);
+ if (i != -1) {
+ ioctl(i, (int) TIOCNOTTY, (char *)0);
+ close(i);
+ }
+ }
+#endif /* HAVE_SETSID */
+
+ /* Close fd's 0,1,2. Needed if started by rsh */
+ close_low_fds(False); /* Don't close stderr, let the debug system
+ attach it to the logfile */
+}
+
+/****************************************************************************
+ Put up a yes/no prompt.
+****************************************************************************/
+
+BOOL yesno(char *p)
+{
+ pstring ans;
+ printf("%s",p);
+
+ if (!fgets(ans,sizeof(ans)-1,stdin))
+ return(False);
+
+ if (*ans == 'y' || *ans == 'Y')
+ return(True);
+
+ 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.
+****************************************************************************/
+
+void *Realloc(void *p,size_t size)
+{
+ void *ret=NULL;
+
+ if (size == 0) {
+ SAFE_FREE(p);
+ DEBUG(5,("Realloc asked for 0 bytes\n"));
+ return NULL;
+ }
+
+#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
+ ret = (void *)realloc(p,size);
+#endif
+
+ if (!ret)
+ DEBUG(0,("Memory allocation error: failed to expand to %d bytes\n",(int)size));
+
+ return(ret);
+}
+
+/****************************************************************************
+ Type-safe realloc.
+****************************************************************************/
+
+void *realloc_array(void *p,size_t el_size, unsigned int count)
+{
+ if (count >= MAX_ALLOC_SIZE/el_size) {
+ return NULL;
+ }
+ return Realloc(p,el_size*count);
+}
+
+/****************************************************************************
+ (Hopefully) efficient array append
+****************************************************************************/
+void add_to_large_array(TALLOC_CTX *mem_ctx, size_t element_size,
+ void *element, void **array, uint32 *num_elements,
+ ssize_t *array_size)
+{
+ 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;
+}
+
+/****************************************************************************
+ Free memory, checks for NULL.
+ Use directly SAFE_FREE()
+ Exists only because we need to pass a function pointer somewhere --SSS
+****************************************************************************/
+
+void safe_free(void *p)
+{
+ SAFE_FREE(p);
+}
+
+/****************************************************************************
+ Get my own name and IP.
+****************************************************************************/
+
+BOOL get_myname(char *my_name)
+{
+ pstring hostname;
+
+ *hostname = 0;
+
+ /* get my host name */
+ if (gethostname(hostname, sizeof(hostname)) == -1) {
+ DEBUG(0,("gethostname failed\n"));
+ return False;
+ }
+
+ /* Ensure null termination. */
+ hostname[sizeof(hostname)-1] = '\0';
+
+ if (my_name) {
+ /* split off any parts after an initial . */
+ char *p = strchr_m(hostname,'.');
+
+ if (p)
+ *p = 0;
+
+ fstrcpy(my_name,hostname);
+ }
+
+ return(True);
+}
+
+/****************************************************************************
+ Get my own canonical name, including domain.
+****************************************************************************/
+
+BOOL get_mydnsfullname(fstring my_dnsname)
+{
+ static fstring dnshostname;
+ struct hostent *hp;
+
+ if (!*dnshostname) {
+ /* get my host name */
+ if (gethostname(dnshostname, sizeof(dnshostname)) == -1) {
+ *dnshostname = '\0';
+ DEBUG(0,("gethostname failed\n"));
+ return False;
+ }
+
+ /* Ensure null termination. */
+ dnshostname[sizeof(dnshostname)-1] = '\0';
+
+ /* Ensure we get the cannonical name. */
+ if (!(hp = sys_gethostbyname(dnshostname))) {
+ *dnshostname = '\0';
+ return False;
+ }
+ fstrcpy(dnshostname, hp->h_name);
+ }
+ fstrcpy(my_dnsname, dnshostname);
+ return True;
+}
+
+/****************************************************************************
+ Get my own domain name.
+****************************************************************************/
+
+BOOL get_mydnsdomname(fstring my_domname)
+{
+ fstring domname;
+ char *p;
+
+ *my_domname = '\0';
+ if (!get_mydnsfullname(domname)) {
+ return False;
+ }
+ p = strchr_m(domname, '.');
+ if (p) {
+ p++;
+ fstrcpy(my_domname, p);
+ }
+
+ return False;
+}
+
+/****************************************************************************
+ Interpret a protocol description string, with a default.
+****************************************************************************/
+
+int interpret_protocol(const char *str,int def)
+{
+ if (strequal(str,"NT1"))
+ return(PROTOCOL_NT1);
+ if (strequal(str,"LANMAN2"))
+ return(PROTOCOL_LANMAN2);
+ if (strequal(str,"LANMAN1"))
+ return(PROTOCOL_LANMAN1);
+ if (strequal(str,"CORE"))
+ return(PROTOCOL_CORE);
+ if (strequal(str,"COREPLUS"))
+ return(PROTOCOL_COREPLUS);
+ if (strequal(str,"CORE+"))
+ return(PROTOCOL_COREPLUS);
+
+ DEBUG(0,("Unrecognised protocol level %s\n",str));
+
+ return(def);
+}
+
+/****************************************************************************
+ Return true if a string could be a pure IP address.
+****************************************************************************/
+
+BOOL is_ipaddress(const char *str)
+{
+ BOOL pure_address = True;
+ int i;
+
+ for (i=0; pure_address && str[i]; i++)
+ if (!(isdigit((int)str[i]) || str[i] == '.'))
+ pure_address = False;
+
+ /* Check that a pure number is not misinterpreted as an IP */
+ pure_address = pure_address && (strchr_m(str, '.') != NULL);
+
+ return pure_address;
+}
+
+/****************************************************************************
+ Interpret an internet address or name into an IP address in 4 byte form.
+****************************************************************************/
+
+uint32 interpret_addr(const char *str)
+{
+ struct hostent *hp;
+ uint32 res;
+
+ if (strcmp(str,"0.0.0.0") == 0)
+ return(0);
+ if (strcmp(str,"255.255.255.255") == 0)
+ return(0xFFFFFFFF);
+
+ /* if it's in the form of an IP address then get the lib to interpret it */
+ if (is_ipaddress(str)) {
+ res = inet_addr(str);
+ } else {
+ /* otherwise assume it's a network name of some sort and use
+ sys_gethostbyname */
+ if ((hp = sys_gethostbyname(str)) == 0) {
+ DEBUG(3,("sys_gethostbyname: Unknown host. %s\n",str));
+ return 0;
+ }
+
+ if(hp->h_addr == NULL) {
+ DEBUG(3,("sys_gethostbyname: host address is invalid for host %s\n",str));
+ return 0;
+ }
+ putip((char *)&res,(char *)hp->h_addr);
+ }
+
+ if (res == (uint32)-1)
+ return(0);
+
+ return(res);
+}
+
+/*******************************************************************
+ A convenient addition to interpret_addr().
+******************************************************************/
+
+struct in_addr *interpret_addr2(const char *str)
+{
+ static struct in_addr ret;
+ uint32 a = interpret_addr(str);
+ ret.s_addr = a;
+ return(&ret);
+}
+
+/*******************************************************************
+ Check if an IP is the 0.0.0.0.
+******************************************************************/
+
+BOOL is_zero_ip(struct in_addr ip)
+{
+ uint32 a;
+ putip((char *)&a,(char *)&ip);
+ return(a == 0);
+}
+
+/*******************************************************************
+ Set an IP to 0.0.0.0.
+******************************************************************/
+
+void zero_ip(struct in_addr *ip)
+{
+ static BOOL init;
+ static struct in_addr ipzero;
+
+ if (!init) {
+ ipzero = *interpret_addr2("0.0.0.0");
+ init = True;
+ }
+
+ *ip = ipzero;
+}
+
+#if (defined(HAVE_NETGROUP) && defined(WITH_AUTOMOUNT))
+/******************************************************************
+ Remove any mount options such as -rsize=2048,wsize=2048 etc.
+ Based on a fix from <Thomas.Hepper@icem.de>.
+*******************************************************************/
+
+static void strip_mount_options( pstring *str)
+{
+ if (**str == '-') {
+ char *p = *str;
+ while(*p && !isspace(*p))
+ p++;
+ while(*p && isspace(*p))
+ p++;
+ if(*p) {
+ pstring tmp_str;
+
+ pstrcpy(tmp_str, p);
+ pstrcpy(*str, tmp_str);
+ }
+ }
+}
+
+/*******************************************************************
+ Patch from jkf@soton.ac.uk
+ Split Luke's automount_server into YP lookup and string splitter
+ so can easily implement automount_path().
+ As we may end up doing both, cache the last YP result.
+*******************************************************************/
+
+#ifdef WITH_NISPLUS_HOME
+char *automount_lookup(const char *user_name)
+{
+ static fstring last_key = "";
+ static pstring last_value = "";
+
+ char *nis_map = (char *)lp_nis_home_map_name();
+
+ char buffer[NIS_MAXATTRVAL + 1];
+ nis_result *result;
+ nis_object *object;
+ entry_obj *entry;
+
+ if (strcmp(user_name, last_key)) {
+ slprintf(buffer, sizeof(buffer)-1, "[key=%s],%s", user_name, nis_map);
+ DEBUG(5, ("NIS+ querystring: %s\n", buffer));
+
+ if (result = nis_list(buffer, FOLLOW_PATH|EXPAND_NAME|HARD_LOOKUP, NULL, NULL)) {
+ if (result->status != NIS_SUCCESS) {
+ DEBUG(3, ("NIS+ query failed: %s\n", nis_sperrno(result->status)));
+ fstrcpy(last_key, ""); pstrcpy(last_value, "");
+ } else {
+ object = result->objects.objects_val;
+ if (object->zo_data.zo_type == ENTRY_OBJ) {
+ entry = &object->zo_data.objdata_u.en_data;
+ DEBUG(5, ("NIS+ entry type: %s\n", entry->en_type));
+ DEBUG(3, ("NIS+ result: %s\n", entry->en_cols.en_cols_val[1].ec_value.ec_value_val));
+
+ pstrcpy(last_value, entry->en_cols.en_cols_val[1].ec_value.ec_value_val);
+ pstring_sub(last_value, "&", user_name);
+ fstrcpy(last_key, user_name);
+ }
+ }
+ }
+ nis_freeresult(result);
+ }
+
+ strip_mount_options(&last_value);
+
+ DEBUG(4, ("NIS+ Lookup: %s resulted in %s\n", user_name, last_value));
+ return last_value;
+}
+#else /* WITH_NISPLUS_HOME */
+
+char *automount_lookup(const char *user_name)
+{
+ static fstring last_key = "";
+ static pstring last_value = "";
+
+ int nis_error; /* returned by yp all functions */
+ char *nis_result; /* yp_match inits this */
+ int nis_result_len; /* and set this */
+ char *nis_domain; /* yp_get_default_domain inits this */
+ char *nis_map = (char *)lp_nis_home_map_name();
+
+ if ((nis_error = yp_get_default_domain(&nis_domain)) != 0) {
+ DEBUG(3, ("YP Error: %s\n", yperr_string(nis_error)));
+ return last_value;
+ }
+
+ DEBUG(5, ("NIS Domain: %s\n", nis_domain));
+
+ if (!strcmp(user_name, last_key)) {
+ nis_result = last_value;
+ nis_result_len = strlen(last_value);
+ nis_error = 0;
+ } else {
+ if ((nis_error = yp_match(nis_domain, nis_map, user_name, strlen(user_name),
+ &nis_result, &nis_result_len)) == 0) {
+ fstrcpy(last_key, user_name);
+ pstrcpy(last_value, nis_result);
+ strip_mount_options(&last_value);
+
+ } else if(nis_error == YPERR_KEY) {
+
+ /* If Key lookup fails user home server is not in nis_map
+ use default information for server, and home directory */
+ last_value[0] = 0;
+ DEBUG(3, ("YP Key not found: while looking up \"%s\" in map \"%s\"\n",
+ user_name, nis_map));
+ DEBUG(3, ("using defaults for server and home directory\n"));
+ } else {
+ DEBUG(3, ("YP Error: \"%s\" while looking up \"%s\" in map \"%s\"\n",
+ yperr_string(nis_error), user_name, nis_map));
+ }
+ }
+
+ DEBUG(4, ("YP Lookup: %s resulted in %s\n", user_name, last_value));
+ return last_value;
+}
+#endif /* WITH_NISPLUS_HOME */
+#endif
+
+/*******************************************************************
+ Are two IPs on the same subnet?
+********************************************************************/
+
+BOOL same_net(struct in_addr ip1,struct in_addr ip2,struct in_addr mask)
+{
+ uint32 net1,net2,nmask;
+
+ nmask = ntohl(mask.s_addr);
+ net1 = ntohl(ip1.s_addr);
+ net2 = ntohl(ip2.s_addr);
+
+ return((net1 & nmask) == (net2 & nmask));
+}
+
+
+/****************************************************************************
+ Check if a process exists. Does this work on all unixes?
+****************************************************************************/
+
+BOOL process_exists(const struct process_id pid)
+{
+ 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.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));
+}
+
+/*******************************************************************
+ Convert a uid into a user name.
+********************************************************************/
+
+const char *uidtoname(uid_t uid)
+{
+ static fstring name;
+ struct passwd *pass;
+
+ pass = getpwuid_alloc(uid);
+ if (pass) {
+ fstrcpy(name, pass->pw_name);
+ passwd_free(&pass);
+ } else {
+ slprintf(name, sizeof(name) - 1, "%ld",(long int)uid);
+ }
+ return name;
+}
+
+
+/*******************************************************************
+ Convert a gid into a group name.
+********************************************************************/
+
+char *gidtoname(gid_t gid)
+{
+ static fstring name;
+ struct group *grp;
+
+ grp = getgrgid(gid);
+ if (grp)
+ return(grp->gr_name);
+ slprintf(name,sizeof(name) - 1, "%d",(int)gid);
+ return(name);
+}
+
+/*******************************************************************
+ Convert a user name into a uid.
+********************************************************************/
+
+uid_t nametouid(const char *name)
+{
+ struct passwd *pass;
+ char *p;
+ uid_t u;
+
+ pass = getpwnam_alloc(name);
+ if (pass) {
+ u = pass->pw_uid;
+ passwd_free(&pass);
+ return u;
+ }
+
+ u = (uid_t)strtol(name, &p, 0);
+ if ((p != name) && (*p == '\0'))
+ return u;
+
+ return (uid_t)-1;
+}
+
+/*******************************************************************
+ Convert a name to a gid_t if possible. Return -1 if not a group.
+********************************************************************/
+
+gid_t nametogid(const char *name)
+{
+ struct group *grp;
+ char *p;
+ gid_t g;
+
+ g = (gid_t)strtol(name, &p, 0);
+ if ((p != name) && (*p == '\0'))
+ return g;
+
+ grp = sys_getgrnam(name);
+ if (grp)
+ return(grp->gr_gid);
+ 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 )
+{
+ char *cmd;
+ int result;
+#ifdef HAVE_BACKTRACE_SYMBOLS
+ void *backtrace_stack[BACKTRACE_STACK_SIZE];
+ size_t backtrace_size;
+ char **backtrace_strings;
+#endif
+
+#ifdef DEVELOPER
+ {
+
+ if (global_clobber_region_function) {
+ DEBUG(0,("smb_panic: clobber_region() last called from [%s(%u)]\n",
+ global_clobber_region_function,
+ global_clobber_region_line));
+ }
+ }
+#endif
+
+ /* only smbd needs to decrement the smbd counter in connections.tdb */
+ if ( decrement_pid_count )
+ decrement_smbd_process_count();
+
+ cmd = lp_panic_action();
+ if (cmd && *cmd) {
+ DEBUG(0, ("smb_panic(): calling panic action [%s]\n", cmd));
+ result = system(cmd);
+
+ if (result == -1)
+ DEBUG(0, ("smb_panic(): fork failed in panic action: %s\n",
+ strerror(errno)));
+ else
+ DEBUG(0, ("smb_panic(): action returned status %d\n",
+ WEXITSTATUS(result)));
+ }
+ DEBUG(0,("PANIC: %s\n", why));
+
+#ifdef HAVE_BACKTRACE_SYMBOLS
+ /* get the backtrace (stack frames) */
+ backtrace_size = backtrace(backtrace_stack,BACKTRACE_STACK_SIZE);
+ backtrace_strings = backtrace_symbols(backtrace_stack, backtrace_size);
+
+ DEBUG(0, ("BACKTRACE: %lu stack frames:\n",
+ (unsigned long)backtrace_size));
+
+ if (backtrace_strings) {
+ int i;
+
+ for (i = 0; i < backtrace_size; i++)
+ DEBUGADD(0, (" #%u %s\n", i, backtrace_strings[i]));
+
+ /* Leak the backtrace_strings, rather than risk what free() might do */
+ }
+
+#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;
+
+ ZERO_ARRAY(addrs);
+ ZERO_ARRAY(names);
+ ZERO_ARRAY(namebuf);
+
+ /* 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);
+#endif
+ abort();
+}
+
+/*******************************************************************
+ A readdir wrapper which just returns the file name.
+ ********************************************************************/
+
+const char *readdirname(SMB_STRUCT_DIR *p)
+{
+ SMB_STRUCT_DIRENT *ptr;
+ char *dname;
+
+ if (!p)
+ return(NULL);
+
+ ptr = (SMB_STRUCT_DIRENT *)sys_readdir(p);
+ if (!ptr)
+ return(NULL);
+
+ dname = ptr->d_name;
+
+#ifdef NEXT2
+ if (telldir(p) < 0)
+ return(NULL);
+#endif
+
+#ifdef HAVE_BROKEN_READDIR
+ /* using /usr/ucb/cc is BAD */
+ dname = dname - 2;
+#endif
+
+ {
+ static pstring buf;
+ int len = NAMLEN(ptr);
+ memcpy(buf, dname, len);
+ buf[len] = 0;
+ dname = buf;
+ }
+
+ return(dname);
+}
+
+/*******************************************************************
+ Utility function used to decide if the last component
+ of a path matches a (possibly wildcarded) entry in a namelist.
+********************************************************************/
+
+BOOL is_in_path(const char *name, name_compare_entry *namelist, BOOL case_sensitive)
+{
+ pstring last_component;
+ char *p;
+
+ /* if we have no list it's obviously not in the path */
+ if((namelist == NULL ) || ((namelist != NULL) && (namelist[0].name == NULL))) {
+ return False;
+ }
+
+ DEBUG(8, ("is_in_path: %s\n", name));
+
+ /* Get the last component of the unix name. */
+ p = strrchr_m(name, '/');
+ pstrcpy(last_component, p ? ++p : name);
+
+ for(; namelist->name != NULL; namelist++) {
+ if(namelist->is_wild) {
+ if (mask_match(last_component, namelist->name, case_sensitive)) {
+ DEBUG(8,("is_in_path: mask match succeeded\n"));
+ return True;
+ }
+ } else {
+ if((case_sensitive && (strcmp(last_component, namelist->name) == 0))||
+ (!case_sensitive && (StrCaseCmp(last_component, namelist->name) == 0))) {
+ DEBUG(8,("is_in_path: match succeeded\n"));
+ return True;
+ }
+ }
+ }
+ DEBUG(8,("is_in_path: match not found\n"));
+
+ return False;
+}
+
+/*******************************************************************
+ Strip a '/' separated list into an array of
+ name_compare_enties structures suitable for
+ passing to is_in_path(). We do this for
+ speed so we can pre-parse all the names in the list
+ and don't do it for each call to is_in_path().
+ namelist is modified here and is assumed to be
+ a copy owned by the caller.
+ We also check if the entry contains a wildcard to
+ remove a potentially expensive call to mask_match
+ if possible.
+********************************************************************/
+
+void set_namearray(name_compare_entry **ppname_array, char *namelist)
+{
+ char *name_end;
+ char *nameptr = namelist;
+ int num_entries = 0;
+ int i;
+
+ (*ppname_array) = NULL;
+
+ if((nameptr == NULL ) || ((nameptr != NULL) && (*nameptr == '\0')))
+ return;
+
+ /* We need to make two passes over the string. The
+ first to count the number of elements, the second
+ to split it.
+ */
+
+ while(*nameptr) {
+ if ( *nameptr == '/' ) {
+ /* cope with multiple (useless) /s) */
+ nameptr++;
+ continue;
+ }
+ /* find the next / */
+ name_end = strchr_m(nameptr, '/');
+
+ /* oops - the last check for a / didn't find one. */
+ if (name_end == NULL)
+ break;
+
+ /* next segment please */
+ nameptr = name_end + 1;
+ num_entries++;
+ }
+
+ if(num_entries == 0)
+ return;
+
+ if(( (*ppname_array) = SMB_MALLOC_ARRAY(name_compare_entry, num_entries + 1)) == NULL) {
+ DEBUG(0,("set_namearray: malloc fail\n"));
+ return;
+ }
+
+ /* Now copy out the names */
+ nameptr = namelist;
+ i = 0;
+ while(*nameptr) {
+ if ( *nameptr == '/' ) {
+ /* cope with multiple (useless) /s) */
+ nameptr++;
+ continue;
+ }
+ /* find the next / */
+ if ((name_end = strchr_m(nameptr, '/')) != NULL)
+ *name_end = 0;
+
+ /* oops - the last check for a / didn't find one. */
+ if(name_end == NULL)
+ break;
+
+ (*ppname_array)[i].is_wild = ms_has_wild(nameptr);
+ if(((*ppname_array)[i].name = SMB_STRDUP(nameptr)) == NULL) {
+ DEBUG(0,("set_namearray: malloc fail (1)\n"));
+ return;
+ }
+
+ /* next segment please */
+ nameptr = name_end + 1;
+ i++;
+ }
+
+ (*ppname_array)[i].name = NULL;
+
+ return;
+}
+
+/****************************************************************************
+ Routine to free a namearray.
+****************************************************************************/
+
+void free_namearray(name_compare_entry *name_array)
+{
+ int i;
+
+ if(name_array == NULL)
+ return;
+
+ for(i=0; name_array[i].name!=NULL; i++)
+ SAFE_FREE(name_array[i].name);
+ 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
+****************************************************************************/
+
+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));
+
+ lock.l_type = type;
+ lock.l_whence = SEEK_SET;
+ lock.l_start = offset;
+ lock.l_len = count;
+ lock.l_pid = 0;
+
+ 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) {
+ 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);
+ }
+
+ /* everything went OK */
+ DEBUG(8,("fcntl_lock: Lock call successful\n"));
+
+ 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.
+********************************************************************/
+
+BOOL is_myname(const char *s)
+{
+ int n;
+ BOOL ret = False;
+
+ for (n=0; my_netbios_names(n); n++) {
+ if (strequal(my_netbios_names(n), s)) {
+ ret=True;
+ break;
+ }
+ }
+ DEBUG(8, ("is_myname(\"%s\") returns %d\n", s, ret));
+ return(ret);
+}
+
+BOOL is_myname_or_ipaddr(const char *s)
+{
+ fstring name, dnsname;
+ char *servername;
+
+ if ( !s )
+ return False;
+
+ /* santize the string from '\\name' */
+
+ fstrcpy( name, s );
+
+ servername = strrchr_m( name, '\\' );
+ if ( !servername )
+ servername = name;
+ else
+ servername++;
+
+ /* optimize for the common case */
+
+ if (strequal(servername, global_myname()))
+ return True;
+
+ /* check for an alias */
+
+ if (is_myname(servername))
+ return True;
+
+ /* check for loopback */
+
+ if (strequal(servername, "localhost"))
+ return True;
+
+ /* maybe it's my dns name */
+
+ if ( get_mydnsfullname( dnsname ) )
+ if ( strequal( servername, dnsname ) )
+ return True;
+
+ /* handle possible CNAME records */
+
+ if ( !is_ipaddress( servername ) ) {
+ /* use DNS to resolve the name, but only the first address */
+ struct hostent *hp;
+
+ if (((hp = sys_gethostbyname(name)) != NULL) && (hp->h_addr != NULL)) {
+ struct in_addr return_ip;
+ putip( (char*)&return_ip, (char*)hp->h_addr );
+ fstrcpy( name, inet_ntoa( return_ip ) );
+ servername = name;
+ }
+ }
+
+ /* maybe its an IP address? */
+ if (is_ipaddress(servername)) {
+ struct iface_struct nics[MAX_INTERFACES];
+ int i, n;
+ uint32 ip;
+
+ ip = interpret_addr(servername);
+ if ((ip==0) || (ip==0xffffffff))
+ return False;
+
+ n = get_interfaces(nics, MAX_INTERFACES);
+ for (i=0; i<n; i++) {
+ if (ip == nics[i].ip.s_addr)
+ return True;
+ }
+ }
+
+ /* no match */
+ return False;
+}
+
+/*******************************************************************
+ Is the name specified our workgroup/domain.
+ Returns true if it is equal, false otherwise.
+********************************************************************/
+
+BOOL is_myworkgroup(const char *s)
+{
+ BOOL ret = False;
+
+ if (strequal(s, lp_workgroup())) {
+ ret=True;
+ }
+
+ DEBUG(8, ("is_myworkgroup(\"%s\") returns %d\n", s, ret));
+ return(ret);
+}
+
+/*******************************************************************
+ we distinguish between 2K and XP by the "Native Lan Manager" string
+ WinXP => "Windows 2002 5.1"
+ Win2k => "Windows 2000 5.0"
+ NT4 => "Windows NT 4.0"
+ Win9x => "Windows 4.0"
+ Windows 2003 doesn't set the native lan manager string but
+ they do set the domain to "Windows 2003 5.2" (probably a bug).
+********************************************************************/
+
+void ra_lanman_string( const char *native_lanman )
+{
+ if ( strcmp( native_lanman, "Windows 2002 5.1" ) == 0 )
+ set_remote_arch( RA_WINXP );
+ else if ( strcmp( native_lanman, "Windows Server 2003 5.2" ) == 0 )
+ set_remote_arch( RA_WIN2K3 );
+}
+
+/*******************************************************************
+ Set the horrid remote_arch string based on an enum.
+********************************************************************/
+
+void set_remote_arch(enum remote_arch_types type)
+{
+ ra_type = type;
+ switch( type ) {
+ case RA_WFWG:
+ fstrcpy(remote_arch, "WfWg");
+ break;
+ case RA_OS2:
+ fstrcpy(remote_arch, "OS2");
+ break;
+ case RA_WIN95:
+ fstrcpy(remote_arch, "Win95");
+ break;
+ case RA_WINNT:
+ fstrcpy(remote_arch, "WinNT");
+ break;
+ case RA_WIN2K:
+ fstrcpy(remote_arch, "Win2K");
+ break;
+ case RA_WINXP:
+ fstrcpy(remote_arch, "WinXP");
+ break;
+ case RA_WIN2K3:
+ fstrcpy(remote_arch, "Win2K3");
+ break;
+ case RA_SAMBA:
+ fstrcpy(remote_arch,"Samba");
+ break;
+ case RA_CIFSFS:
+ fstrcpy(remote_arch,"CIFSFS");
+ break;
+ default:
+ ra_type = RA_UNKNOWN;
+ fstrcpy(remote_arch, "UNKNOWN");
+ break;
+ }
+
+ DEBUG(10,("set_remote_arch: Client arch is \'%s\'\n", remote_arch));
+}
+
+/*******************************************************************
+ Get the remote_arch type.
+********************************************************************/
+
+enum remote_arch_types get_remote_arch(void)
+{
+ return ra_type;
+}
+
+void print_asc(int level, const unsigned char *buf,int len)
+{
+ int i;
+ for (i=0;i<len;i++)
+ DEBUG(level,("%c", isprint(buf[i])?buf[i]:'.'));
+}
+
+void dump_data(int level, const char *buf1,int len)
+{
+ const unsigned char *buf = (const unsigned char *)buf1;
+ int i=0;
+ if (len<=0) return;
+
+ if (!DEBUGLVL(level)) return;
+
+ DEBUGADD(level,("[%03X] ",i));
+ for (i=0;i<len;) {
+ DEBUGADD(level,("%02X ",(int)buf[i]));
+ i++;
+ if (i%8 == 0) DEBUGADD(level,(" "));
+ if (i%16 == 0) {
+ print_asc(level,&buf[i-16],8); DEBUGADD(level,(" "));
+ print_asc(level,&buf[i-8],8); DEBUGADD(level,("\n"));
+ if (i<len) DEBUGADD(level,("[%03X] ",i));
+ }
+ }
+ if (i%16) {
+ int n;
+ n = 16 - (i%16);
+ DEBUGADD(level,(" "));
+ if (n>8) DEBUGADD(level,(" "));
+ while (n--) DEBUGADD(level,(" "));
+ n = MIN(8,i%16);
+ print_asc(level,&buf[i-(i%16)],n); DEBUGADD(level,( " " ));
+ n = (i%16) - n;
+ if (n>0) print_asc(level,&buf[i-n],n);
+ DEBUGADD(level,("\n"));
+ }
+}
+
+void dump_data_pw(const char *msg, const uchar * data, size_t len)
+{
+#ifdef DEBUG_PASSWORD
+ DEBUG(11, ("%s", msg));
+ if (data != NULL && len > 0)
+ {
+ dump_data(11, (const char *)data, len);
+ }
+#endif
+}
+
+char *tab_depth(int depth)
+{
+ static pstring spaces;
+ memset(spaces, ' ', depth * 4);
+ spaces[depth * 4] = 0;
+ return spaces;
+}
+
+/*****************************************************************************
+ Provide a checksum on a string
+
+ Input: s - the null-terminated character string for which the checksum
+ will be calculated.
+
+ Output: The checksum value calculated for s.
+*****************************************************************************/
+
+int str_checksum(const char *s)
+{
+ int res = 0;
+ int c;
+ int i=0;
+
+ while(*s) {
+ c = *s;
+ res ^= (c << (i % 15)) ^ (c >> (15-(i%15)));
+ s++;
+ i++;
+ }
+ return(res);
+}
+
+/*****************************************************************
+ Zero a memory area then free it. Used to catch bugs faster.
+*****************************************************************/
+
+void zero_free(void *p, size_t size)
+{
+ memset(p, 0, size);
+ SAFE_FREE(p);
+}
+
+/*****************************************************************
+ Set our open file limit to a requested max and return the limit.
+*****************************************************************/
+
+int set_maxfiles(int requested_max)
+{
+#if (defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE))
+ struct rlimit rlp;
+ int saved_current_limit;
+
+ if(getrlimit(RLIMIT_NOFILE, &rlp)) {
+ DEBUG(0,("set_maxfiles: getrlimit (1) for RLIMIT_NOFILE failed with error %s\n",
+ strerror(errno) ));
+ /* just guess... */
+ return requested_max;
+ }
+
+ /*
+ * Set the fd limit to be real_max_open_files + MAX_OPEN_FUDGEFACTOR to
+ * account for the extra fd we need
+ * as well as the log files and standard
+ * handles etc. Save the limit we want to set in case
+ * we are running on an OS that doesn't support this limit (AIX)
+ * which always returns RLIM_INFINITY for rlp.rlim_max.
+ */
+
+ /* Try raising the hard (max) limit to the requested amount. */
+
+#if defined(RLIM_INFINITY)
+ if (rlp.rlim_max != RLIM_INFINITY) {
+ int orig_max = rlp.rlim_max;
+
+ if ( rlp.rlim_max < requested_max )
+ rlp.rlim_max = requested_max;
+
+ /* This failing is not an error - many systems (Linux) don't
+ support our default request of 10,000 open files. JRA. */
+
+ if(setrlimit(RLIMIT_NOFILE, &rlp)) {
+ DEBUG(3,("set_maxfiles: setrlimit for RLIMIT_NOFILE for %d max files failed with error %s\n",
+ (int)rlp.rlim_max, strerror(errno) ));
+
+ /* Set failed - restore original value from get. */
+ rlp.rlim_max = orig_max;
+ }
+ }
+#endif
+
+ /* Now try setting the soft (current) limit. */
+
+ saved_current_limit = rlp.rlim_cur = MIN(requested_max,rlp.rlim_max);
+
+ if(setrlimit(RLIMIT_NOFILE, &rlp)) {
+ DEBUG(0,("set_maxfiles: setrlimit for RLIMIT_NOFILE for %d files failed with error %s\n",
+ (int)rlp.rlim_cur, strerror(errno) ));
+ /* just guess... */
+ return saved_current_limit;
+ }
+
+ if(getrlimit(RLIMIT_NOFILE, &rlp)) {
+ DEBUG(0,("set_maxfiles: getrlimit (2) for RLIMIT_NOFILE failed with error %s\n",
+ strerror(errno) ));
+ /* just guess... */
+ return saved_current_limit;
+ }
+
+#if defined(RLIM_INFINITY)
+ if(rlp.rlim_cur == RLIM_INFINITY)
+ return saved_current_limit;
+#endif
+
+ if((int)rlp.rlim_cur > saved_current_limit)
+ return saved_current_limit;
+
+ return rlp.rlim_cur;
+#else /* !defined(HAVE_GETRLIMIT) || !defined(RLIMIT_NOFILE) */
+ /*
+ * No way to know - just guess...
+ */
+ return requested_max;
+#endif
+}
+
+/*****************************************************************
+ Possibly replace mkstemp if it is broken.
+*****************************************************************/
+
+int smb_mkstemp(char *name_template)
+{
+#if HAVE_SECURE_MKSTEMP
+ return mkstemp(name_template);
+#else
+ /* have a reasonable go at emulating it. Hope that
+ the system mktemp() isn't completly hopeless */
+ char *p = mktemp(name_template);
+ if (!p)
+ return -1;
+ return open(p, O_CREAT|O_EXCL|O_RDWR, 0600);
+#endif
+}
+
+/*****************************************************************
+ malloc that aborts with smb_panic on fail or zero size.
+ *****************************************************************/
+
+void *smb_xmalloc_array(size_t size, unsigned int count)
+{
+ void *p;
+ if (size == 0)
+ 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;
+}
+
+/**
+ Memdup with smb_panic on fail.
+**/
+
+void *smb_xmemdup(const void *p, size_t size)
+{
+ void *p2;
+ p2 = SMB_XMALLOC_ARRAY(unsigned char,size);
+ memcpy(p2, p, size);
+ return p2;
+}
+
+/**
+ strdup that aborts on malloc fail.
+**/
+
+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;
+
+}
+
+/**
+ strndup that aborts on malloc fail.
+**/
+
+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;
+}
+
+/*
+ vasprintf that aborts on malloc fail
+*/
+
+ int smb_xvasprintf(char **ptr, const char *format, va_list ap)
+{
+ int n;
+ va_list ap2;
+
+ VA_COPY(ap2, ap);
+
+ n = vasprintf(ptr, format, ap2);
+ if (n == -1 || ! *ptr)
+ smb_panic("smb_xvasprintf: out of memory");
+ return n;
+}
+
+/*****************************************************************
+ Like strdup but for memory.
+*****************************************************************/
+
+void *memdup(const void *p, size_t size)
+{
+ void *p2;
+ if (size == 0)
+ return NULL;
+ p2 = SMB_MALLOC(size);
+ if (!p2)
+ return NULL;
+ memcpy(p2, p, size);
+ return p2;
+}
+
+/*****************************************************************
+ Get local hostname and cache result.
+*****************************************************************/
+
+char *myhostname(void)
+{
+ static pstring ret;
+ if (ret[0] == 0)
+ get_myname(ret);
+ return ret;
+}
+
+/*****************************************************************
+ A useful function for returning a path in the Samba lock directory.
+*****************************************************************/
+
+char *lock_path(const char *name)
+{
+ static pstring fname;
+
+ pstrcpy(fname,lp_lockdir());
+ trim_char(fname,'\0','/');
+
+ if (!directory_exist(fname,NULL))
+ mkdir(fname,0755);
+
+ pstrcat(fname,"/");
+ pstrcat(fname,name);
+
+ return fname;
+}
+
+/*****************************************************************
+ A useful function for returning a path in the Samba pid directory.
+*****************************************************************/
+
+char *pid_path(const char *name)
+{
+ static pstring fname;
+
+ pstrcpy(fname,lp_piddir());
+ trim_char(fname,'\0','/');
+
+ if (!directory_exist(fname,NULL))
+ mkdir(fname,0755);
+
+ pstrcat(fname,"/");
+ pstrcat(fname,name);
+
+ return fname;
+}
+
+/**
+ * @brief Returns an absolute path to a file in the Samba lib directory.
+ *
+ * @param name File to find, relative to LIBDIR.
+ *
+ * @retval Pointer to a static #pstring containing the full path.
+ **/
+
+char *lib_path(const char *name)
+{
+ static pstring fname;
+ fstr_sprintf(fname, "%s/%s", dyn_LIBDIR, name);
+ return fname;
+}
+
+/**
+ * @brief Returns the platform specific shared library extension.
+ *
+ * @retval Pointer to a static #fstring containing the extension.
+ **/
+
+const char *shlib_ext(void)
+{
+ return dyn_SHLIBEXT;
+}
+
+/*******************************************************************
+ Given a filename - get its directory name
+ NB: Returned in static storage. Caveats:
+ o Not safe in thread environment.
+ o Caller must not free.
+ o If caller wishes to preserve, they should copy.
+********************************************************************/
+
+char *parent_dirname(const char *path)
+{
+ static pstring dirpath;
+ char *p;
+
+ if (!path)
+ return(NULL);
+
+ pstrcpy(dirpath, path);
+ p = strrchr_m(dirpath, '/'); /* Find final '/', if any */
+ if (!p) {
+ pstrcpy(dirpath, "."); /* No final "/", so dir is "." */
+ } else {
+ if (p == dirpath)
+ ++p; /* For root "/", leave "/" in place */
+ *p = '\0';
+ }
+ return dirpath;
+}
+
+
+/*******************************************************************
+ Determine if a pattern contains any Microsoft wildcard characters.
+*******************************************************************/
+
+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 '*':
+ case '?':
+ case '<':
+ case '>':
+ case '"':
+ return True;
+ }
+ }
+ return False;
+}
+
+BOOL ms_has_wild_w(const smb_ucs2_t *s)
+{
+ smb_ucs2_t c;
+ if (!s) return False;
+ while ((c = *s++)) {
+ switch (c) {
+ case UCS2_CHAR('*'):
+ case UCS2_CHAR('?'):
+ case UCS2_CHAR('<'):
+ case UCS2_CHAR('>'):
+ case UCS2_CHAR('"'):
+ return True;
+ }
+ }
+ return False;
+}
+
+/*******************************************************************
+ A wrapper that handles case sensitivity and the special handling
+ of the ".." name.
+*******************************************************************/
+
+BOOL mask_match(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, 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;
+}
+
+/*******************************************************************
+ A wrapper that handles a list of patters and calls mask_match()
+ on each. Returns True if any of the patterns match.
+*******************************************************************/
+
+BOOL mask_match_list(const char *string, char **list, int listLen, BOOL is_case_sensitive)
+{
+ while (listLen-- > 0) {
+ if (mask_match(string, *list++, is_case_sensitive))
+ return True;
+ }
+ return False;
+}
+
+/*********************************************************
+ Recursive routine that is called by unix_wild_match.
+*********************************************************/
+
+static BOOL unix_do_match(const char *regexp, const char *str)
+{
+ const char *p;
+
+ for( p = regexp; *p && *str; ) {
+
+ switch(*p) {
+ case '?':
+ str++;
+ p++;
+ break;
+
+ case '*':
+
+ /*
+ * Look for a character matching
+ * the one after the '*'.
+ */
+ p++;
+ if(!*p)
+ return True; /* Automatic match */
+ while(*str) {
+
+ while(*str && (*p != *str))
+ str++;
+
+ /*
+ * Patch from weidel@multichart.de. In the case of the regexp
+ * '*XX*' we want to ensure there are at least 2 'X' characters
+ * in the string after the '*' for a match to be made.
+ */
+
+ {
+ int matchcount=0;
+
+ /*
+ * Eat all the characters that match, but count how many there were.
+ */
+
+ while(*str && (*p == *str)) {
+ str++;
+ matchcount++;
+ }
+
+ /*
+ * Now check that if the regexp had n identical characters that
+ * matchcount had at least that many matches.
+ */
+
+ while ( *(p+1) && (*(p+1) == *p)) {
+ p++;
+ matchcount--;
+ }
+
+ if ( matchcount <= 0 )
+ return False;
+ }
+
+ str--; /* We've eaten the match char after the '*' */
+
+ if(unix_do_match(p, str))
+ return True;
+
+ if(!*str)
+ return False;
+ else
+ str++;
+ }
+ return False;
+
+ default:
+ if(*str != *p)
+ return False;
+ str++;
+ p++;
+ break;
+ }
+ }
+
+ if(!*p && !*str)
+ return True;
+
+ if (!*p && str[0] == '.' && str[1] == 0)
+ return(True);
+
+ if (!*str && *p == '?') {
+ while (*p == '?')
+ p++;
+ return(!*p);
+ }
+
+ if(!*str && (*p == '*' && p[1] == '\0'))
+ return True;
+
+ return False;
+}
+
+/*******************************************************************
+ 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)
+{
+ pstring p2, s2;
+ char *p;
+
+ pstrcpy(p2, pattern);
+ pstrcpy(s2, string);
+ strlower_m(p2);
+ strlower_m(s2);
+
+ /* Remove any *? and ** from the pattern as they are meaningless */
+ for(p = p2; *p; p++)
+ while( *p == '*' && (p[1] == '?' ||p[1] == '*'))
+ pstrcpy( &p[1], &p[2]);
+
+ if (strequal(p2,"*"))
+ return True;
+
+ return unix_do_match(p2, s2);
+}
+
+/**********************************************************************
+ Converts a name to a fully qalified domain name.
+***********************************************************************/
+
+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);
+ } 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;
+
+ if (ptr == NULL)
+ return NULL;
+
+ 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__
+
+/*******************************************************************
+This routine is a trick to immediately catch errors when debugging
+with insure. A xterm with a gdb is popped up when insure catches
+a error. It is Linux specific.
+********************************************************************/
+
+int _Insure_trap_error(int a1, int a2, int a3, int a4, int a5, int a6)
+{
+ static int (*fn)();
+ int ret;
+ char pidstr[10];
+ /* you can get /usr/bin/backtrace from
+ http://samba.org/ftp/unpacked/junkcode/backtrace */
+ pstring cmd = "/usr/bin/backtrace %d";
+
+ slprintf(pidstr, sizeof(pidstr)-1, "%d", sys_getpid());
+ pstring_sub(cmd, "%d", pidstr);
+
+ if (!fn) {
+ static void *h;
+ h = dlopen("/usr/local/parasoft/insure++lite/lib.linux2/libinsure.so", RTLD_LAZY);
+ fn = dlsym(h, "_Insure_trap_error");
+
+ if (!h || h == _Insure_trap_error) {
+ h = dlopen("/usr/local/parasoft/lib.linux2/libinsure.so", RTLD_LAZY);
+ fn = dlsym(h, "_Insure_trap_error");
+ }
+ }
+
+ ret = fn(a1, a2, a3, a4, a5, a6);
+
+ system(cmd);
+
+ 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;
+}
projects / samba / blobdiff