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-rw-r--r--source3/lib/sids.c271
1 files changed, 20 insertions, 251 deletions
diff --git a/source3/lib/sids.c b/source3/lib/sids.c
index 4d83adc36d..052c05cb01 100644
--- a/source3/lib/sids.c
+++ b/source3/lib/sids.c
@@ -87,39 +87,6 @@ sid_name_map[] =
};
/****************************************************************************
- Read the machine SID from a file.
-****************************************************************************/
-
-static BOOL read_sid_from_file(int fd, char *sid_file)
-{
- fstring fline;
- fstring sid_str;
-
- memset(fline, '\0', sizeof(fline));
-
- if (read(fd, fline, sizeof(fline) -1 ) < 0) {
- DEBUG(0,("unable to read file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- return False;
- }
-
- /*
- * Convert to the machine SID.
- */
-
- fline[sizeof(fline)-1] = '\0';
- if (!string_to_sid( &global_sam_sid, fline)) {
- DEBUG(0,("unable to generate machine SID.\n"));
- return False;
- }
-
- sid_to_string(sid_str, &global_sam_sid);
- DEBUG(5,("read_sid_from_file: sid %s\n", sid_str));
-
- return True;
-}
-
-/****************************************************************************
sets up the name associated with the SAM database for which we are responsible
****************************************************************************/
void get_sam_domain_name(void)
@@ -175,99 +142,6 @@ BOOL get_member_domain_sid(void)
return get_domain_sids(NULL, &global_member_sid, lp_passwordserver());
}
-/****************************************************************************
- obtain the sid from the PDC. do some verification along the way...
-****************************************************************************/
-BOOL get_domain_sids(DOM_SID *sid3, DOM_SID *sid5, char *servers)
-{
- uint16 nt_pipe_fnum;
- POLICY_HND pol;
- fstring srv_name;
- struct cli_state cli;
- BOOL res = True;
- fstring dom3;
- fstring dom5;
-
- if (sid3 == NULL && sid5 == NULL)
- {
- /* don't waste my time... */
- return False;
- }
-
- if (!cli_connect_serverlist(&cli, servers))
- {
- DEBUG(0,("get_domain_sids: unable to initialise client connection.\n"));
- return False;
- }
-
- /*
- * Ok - we have an anonymous connection to the IPC$ share.
- * Now start the NT Domain stuff :-).
- */
-
- fstrcpy(dom3, "");
- fstrcpy(dom5, "");
- if (sid3 != NULL)
- {
- ZERO_STRUCTP(sid3);
- }
- if (sid5 != NULL)
- {
- ZERO_STRUCTP(sid5);
- }
-
- fstrcpy(srv_name, "\\\\");
- fstrcat(srv_name, global_myname);
- strupper(srv_name);
-
- /* open LSARPC session. */
- res = res ? cli_nt_session_open(&cli, PIPE_LSARPC, &nt_pipe_fnum) : False;
-
- /* lookup domain controller; receive a policy handle */
- res = res ? lsa_open_policy(&cli, nt_pipe_fnum, srv_name, &pol, False) : False;
-
- if (sid3 != NULL)
- {
- /* send client info query, level 3. receive domain name and sid */
- res = res ? lsa_query_info_pol(&cli, nt_pipe_fnum, &pol, 3, dom3, sid3) : False;
- }
-
- if (sid5 != NULL)
- {
- /* send client info query, level 5. receive domain name and sid */
- res = res ? lsa_query_info_pol(&cli, nt_pipe_fnum, &pol, 5, dom5, sid5) : False;
- }
-
- /* close policy handle */
- res = res ? lsa_close(&cli, nt_pipe_fnum, &pol) : False;
-
- /* close the session */
- cli_nt_session_close(&cli, nt_pipe_fnum);
- cli_ulogoff(&cli);
- cli_shutdown(&cli);
-
- if (res)
- {
- pstring sid;
- DEBUG(2,("LSA Query Info Policy\n"));
- if (sid3 != NULL)
- {
- sid_to_string(sid, sid3);
- DEBUG(2,("Domain Member - Domain: %s SID: %s\n", dom3, sid));
- }
- if (sid5 != NULL)
- {
- sid_to_string(sid, sid5);
- DEBUG(2,("Domain Controller - Domain: %s SID: %s\n", dom5, sid));
- }
- }
- else
- {
- DEBUG(1,("lsa query info failed\n"));
- }
-
- return res;
-}
/****************************************************************************
creates some useful well known sids
@@ -284,17 +158,12 @@ void generate_wellknown_sids(void)
Generate the global machine sid. Look for the DOMAINNAME.SID file first, if
not found then look in smb.conf and use it to create the DOMAINNAME.SID file.
****************************************************************************/
-BOOL generate_sam_sid(char *domain_name)
+BOOL generate_sam_sid(char *domain_name, DOM_SID *sid)
{
- int fd;
- int i;
char *p;
pstring sid_file;
pstring machine_sid_file;
- fstring sid_string;
fstring file_name;
- SMB_STRUCT_STAT st;
- uchar raw_sid_data[12];
pstrcpy(sid_file, lp_smb_passwd_file());
@@ -341,131 +210,30 @@ BOOL generate_sam_sid(char *domain_name)
}
}
- if ((fd = sys_open(sid_file, O_RDWR | O_CREAT, 0644)) == -1) {
- DEBUG(0,("unable to open or create file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- return False;
- }
-
- /*
- * Check if the file contains data.
- */
-
- if (sys_fstat( fd, &st) < 0) {
- DEBUG(0,("unable to stat file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- if (st.st_size > 0) {
- /*
- * We have a valid SID - read it.
- */
- if (!read_sid_from_file( fd, sid_file)) {
- DEBUG(0,("unable to read file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
- close(fd);
+ /* attempt to read the SID from the file */
+ if (read_sid(domain_name, sid))
+ {
return True;
- }
-
- /*
- * Generate the new sid data & turn it into a string.
- */
- generate_random_buffer( raw_sid_data, 12, True);
-
- fstrcpy( sid_string, "S-1-5-21");
- for( i = 0; i < 3; i++) {
- fstring tmp_string;
- slprintf( tmp_string, sizeof(tmp_string) - 1, "-%u", IVAL(raw_sid_data, i*4));
- fstrcat( sid_string, tmp_string);
}
-
- fstrcat(sid_string, "\n");
-
- /*
- * Ensure our new SID is valid.
- */
-
- if (!string_to_sid( &global_sam_sid, sid_string)) {
- DEBUG(0,("unable to generate machine SID.\n"));
- return False;
- }
- /*
- * Do an exclusive blocking lock on the file.
- */
-
- if (!do_file_lock( fd, 60, F_WRLCK)) {
- DEBUG(0,("unable to lock file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- /*
- * At this point we have a blocking lock on the SID
- * file - check if in the meantime someone else wrote
- * SID data into the file. If so - they were here first,
- * use their data.
- */
-
- if (sys_fstat( fd, &st) < 0) {
- DEBUG(0,("unable to stat file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
+ if (!create_new_sid(sid))
+ {
return False;
- }
+ }
+ /* attempt to read the SID from the file */
+ if (!write_sid(domain_name, sid))
+ {
+ return True;
+ }
- if (st.st_size > 0) {
- /*
- * Unlock as soon as possible to reduce
- * contention on the exclusive lock.
- */
- do_file_lock( fd, 60, F_UNLCK);
-
- /*
- * We have a valid SID - read it.
- */
-
- if (!read_sid_from_file( fd, sid_file)) {
- DEBUG(0,("unable to read file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
- close(fd);
+ /* during the attempt to write, someone else wrote? */
+
+ /* attempt to read the SID from the file */
+ if (read_sid(domain_name, sid))
+ {
return True;
- }
-
- /*
- * The file is still empty and we have an exlusive lock on it.
- * Write out out SID data into the file.
- */
-
- if (fchmod(fd, 0644) < 0) {
- DEBUG(0,("unable to set correct permissions on file %s. \
-Error was %s\n", sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- if (write( fd, sid_string, strlen(sid_string)) != strlen(sid_string)) {
- DEBUG(0,("unable to write file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- /*
- * Unlock & exit.
- */
-
- do_file_lock( fd, 60, F_UNLCK);
- close(fd);
+ }
+
return True;
}
@@ -630,3 +398,4 @@ BOOL enumdomains(char ***doms, uint32 *num_entries)
return True;
}
+
generated by cgit (git 2.34.1) at 2024-07-20 19:06:56 +0000