#include "nterr.h"
extern int DEBUGLEVEL;
+
+/*
+ * This is set on startup - it defines the SID for this
+ * machine, and therefore the SAM database for which it is
+ * responsible.
+ */
+
extern DOM_SID global_sam_sid;
+extern pstring global_myname;
+extern fstring global_myworkgroup;
/*
* NOTE. All these functions are abstracted into a structure
* functions in a first pass, as struct sam_passwd contains more
* information, needed by the NT Domain support.
*
- * an API writer is expected to create either one set (struct smb_passwd) or
- * the other (struct sam_passwd) OR both, and optionally also to write display
- * info routines * (struct sam_disp_info). functions which the API writer
- * chooses NOT to write must be wrapped in conversion functions (pwdb_x_to_y)
- * such that API users can call any function and still get valid results.
- *
- * the password API does NOT fill in the gaps if you set an API function
- * to NULL: it will deliberately attempt to call the NULL function.
+ * a full example set of derivative functions are listed below. an API
+ * writer is expected to cut/paste these into their module, replace
+ * either one set (struct smb_passwd) or the other (struct sam_passwd)
+ * OR both, and optionally also to write display info routines
+ * (struct sam_disp_info). lkcl
*
*/
-static struct smb_passdb_ops *pwdb_ops;
+static struct passdb_ops *pdb_ops;
/***************************************************************
- Initialise the password db operations.
+ Initialize the password db operations.
***************************************************************/
-BOOL initialise_password_db(void)
+BOOL initialize_password_db(void)
{
- if (pwdb_ops)
+ if (pdb_ops)
{
return True;
}
#ifdef WITH_NISPLUS
- pwdb_ops = nisplus_initialise_password_db();
+ pdb_ops = nisplus_initialize_password_db();
#elif defined(WITH_LDAP)
- pwdb_ops = ldap_initialise_password_db();
-#elif defined(HAVE_MYSQL_H) && defined(WITH_MYSQLSAM)
- pwdb_ops = mysql_initialise_password_db();
-#elif defined(USE_SMBPASS_DB)
- pwdb_ops = file_initialise_password_db();
+ pdb_ops = ldap_initialize_password_db();
+#else
+ pdb_ops = file_initialize_password_db();
#endif
- return (pwdb_ops != NULL);
+ return (pdb_ops != NULL);
}
/*
* Functions that return/manipulate a struct smb_passwd.
*/
+/************************************************************************
+ Utility function to search smb passwd by rid.
+*************************************************************************/
+
+struct smb_passwd *iterate_getsmbpwrid(uint32 user_rid)
+{
+ return iterate_getsmbpwuid(pdb_user_rid_to_uid(user_rid));
+}
+
/************************************************************************
Utility function to search smb passwd by uid. use this if your database
does not have search facilities.
*************************************************************************/
-struct smb_passwd *iterate_getsmbpwuid(uid_t unix_uid)
+struct smb_passwd *iterate_getsmbpwuid(uid_t smb_userid)
{
struct smb_passwd *pwd = NULL;
void *fp = NULL;
- DEBUG(10, ("search by unix_uid: %x\n", (int)unix_uid));
+ DEBUG(10, ("search by smb_userid: %x\n", (int)smb_userid));
/* Open the smb password database - not for update. */
fp = startsmbpwent(False);
return NULL;
}
- while ((pwd = getsmbpwent(fp)) != NULL && pwd->unix_uid != unix_uid)
- {
- }
+ while ((pwd = getsmbpwent(fp)) != NULL && pwd->smb_userid != smb_userid)
+ ;
if (pwd != NULL)
{
- DEBUG(10, ("found by unix_uid: %x\n", (int)unix_uid));
+ DEBUG(10, ("found by smb_userid: %x\n", (int)smb_userid));
}
endsmbpwent(fp);
does not have search facilities.
*************************************************************************/
-struct smb_passwd *iterate_getsmbpwnam(const char *name)
+struct smb_passwd *iterate_getsmbpwnam(char *name)
{
struct smb_passwd *pwd = NULL;
void *fp = NULL;
return NULL;
}
- while ((pwd = getsmbpwent(fp)) != NULL && !strequal(pwd->unix_name, name))
- {
- DEBUG(10, ("iterate: %s 0x%x\n", pwd->unix_name, pwd->unix_uid));
- }
+ while ((pwd = getsmbpwent(fp)) != NULL && !strequal(pwd->smb_name, name))
+ ;
if (pwd != NULL)
{
void *startsmbpwent(BOOL update)
{
- return pwdb_ops->startsmbpwent(update);
+ return pdb_ops->startsmbpwent(update);
}
/***************************************************************
void endsmbpwent(void *vp)
{
- pwdb_ops->endsmbpwent(vp);
-}
-
-SMB_BIG_UINT getsmbpwpos(void *vp)
-{
- return pwdb_ops->getsmbpwpos(vp);
-}
-
-BOOL setsmbpwpos(void *vp, SMB_BIG_UINT tok)
-{
- return pwdb_ops->setsmbpwpos(vp, tok);
+ pdb_ops->endsmbpwent(vp);
}
/*************************************************************************
struct smb_passwd *getsmbpwent(void *vp)
{
- return pwdb_smb_map_names(pwdb_ops->getsmbpwent(vp));
+ return pdb_ops->getsmbpwent(vp);
}
/************************************************************************
BOOL add_smbpwd_entry(struct smb_passwd *newpwd)
{
- struct smb_passwd *mapped = pwdb_smb_map_names(newpwd);
- if (mapped)
- {
- return pwdb_ops->add_smbpwd_entry(mapped);
- }
- return False;
+ return pdb_ops->add_smbpwd_entry(newpwd);
}
/************************************************************************
BOOL mod_smbpwd_entry(struct smb_passwd* pwd, BOOL override)
{
- struct smb_passwd *mapped = pwdb_smb_map_names(pwd);
- if (mapped)
- {
- return pwdb_ops->mod_smbpwd_entry(mapped, override);
- }
- return False;
+ return pdb_ops->mod_smbpwd_entry(pwd, override);
}
/************************************************************************
Routine to search smb passwd by name.
*************************************************************************/
-struct smb_passwd *getsmbpwnam(const char *name)
+struct smb_passwd *getsmbpwnam(char *name)
{
- return pwdb_smb_map_names(pwdb_ops->getsmbpwnam(name));
+ return pdb_ops->getsmbpwnam(name);
+}
+
+/************************************************************************
+ Routine to search smb passwd by user rid.
+*************************************************************************/
+
+struct smb_passwd *getsmbpwrid(uint32 user_rid)
+{
+ return pdb_ops->getsmbpwrid(user_rid);
}
/************************************************************************
Routine to search smb passwd by uid.
*************************************************************************/
-struct smb_passwd *getsmbpwuid(uid_t unix_uid)
+struct smb_passwd *getsmbpwuid(uid_t smb_userid)
{
- return pwdb_smb_map_names(pwdb_ops->getsmbpwuid(unix_uid));
+ return pdb_ops->getsmbpwuid(smb_userid);
+}
+
+/*
+ * Functions that manupulate a struct sam_passwd.
+ */
+
+/************************************************************************
+ Utility function to search sam passwd by name. use this if your database
+ does not have search facilities.
+*************************************************************************/
+
+struct sam_passwd *iterate_getsam21pwnam(char *name)
+{
+ struct sam_passwd *pwd = NULL;
+ void *fp = NULL;
+
+ DEBUG(10, ("search by name: %s\n", name));
+
+ /* Open the smb password database - not for update. */
+ fp = startsmbpwent(False);
+
+ if (fp == NULL)
+ {
+ DEBUG(0, ("unable to open sam password database.\n"));
+ return NULL;
+ }
+
+ while ((pwd = getsam21pwent(fp)) != NULL && !strequal(pwd->smb_name, name))
+ {
+ DEBUG(10, ("iterate: %s 0x%x\n", pwd->smb_name, pwd->user_rid));
+ }
+
+ if (pwd != NULL)
+ {
+ DEBUG(10, ("found by name: %s\n", name));
+ }
+
+ endsmbpwent(fp);
+ return pwd;
+}
+
+/************************************************************************
+ Utility function to search sam passwd by rid. use this if your database
+ does not have search facilities.
+
+ search capability by both rid and uid are needed as the rid <-> uid
+ mapping may be non-monotonic.
+
+*************************************************************************/
+
+struct sam_passwd *iterate_getsam21pwrid(uint32 rid)
+{
+ struct sam_passwd *pwd = NULL;
+ void *fp = NULL;
+
+ DEBUG(10, ("search by rid: %x\n", rid));
+
+ /* Open the smb password file - not for update. */
+ fp = startsmbpwent(False);
+
+ if (fp == NULL)
+ {
+ DEBUG(0, ("unable to open sam password database.\n"));
+ return NULL;
+ }
+
+ while ((pwd = getsam21pwent(fp)) != NULL && pwd->user_rid != rid)
+ {
+ DEBUG(10, ("iterate: %s 0x%x\n", pwd->smb_name, pwd->user_rid));
+ }
+
+ if (pwd != NULL)
+ {
+ DEBUG(10, ("found by user_rid: %x\n", rid));
+ }
+
+ endsmbpwent(fp);
+ return pwd;
+}
+
+/************************************************************************
+ Utility function to search sam passwd by uid. use this if your database
+ does not have search facilities.
+
+ search capability by both rid and uid are needed as the rid <-> uid
+ mapping may be non-monotonic.
+
+*************************************************************************/
+
+struct sam_passwd *iterate_getsam21pwuid(uid_t uid)
+{
+ struct sam_passwd *pwd = NULL;
+ void *fp = NULL;
+
+ DEBUG(10, ("search by uid: %x\n", (int)uid));
+
+ /* Open the smb password file - not for update. */
+ fp = startsmbpwent(False);
+
+ if (fp == NULL)
+ {
+ DEBUG(0, ("unable to open sam password database.\n"));
+ return NULL;
+ }
+
+ while ((pwd = getsam21pwent(fp)) != NULL && pwd->smb_userid != uid)
+ ;
+
+ if (pwd != NULL)
+ {
+ DEBUG(10, ("found by smb_userid: %x\n", (int)uid));
+ }
+
+ endsmbpwent(fp);
+ return pwd;
+}
+
+/*************************************************************************
+ Routine to return a display info structure, by rid
+ *************************************************************************/
+struct sam_disp_info *getsamdisprid(uint32 rid)
+{
+ return pdb_ops->getsamdisprid(rid);
+}
+
+/*************************************************************************
+ Routine to return the next entry in the sam passwd list.
+ *************************************************************************/
+
+struct sam_passwd *getsam21pwent(void *vp)
+{
+ return pdb_ops->getsam21pwent(vp);
+}
+
+
+/************************************************************************
+ Routine to search sam passwd by name.
+*************************************************************************/
+
+struct sam_passwd *getsam21pwnam(char *name)
+{
+ return pdb_ops->getsam21pwnam(name);
+}
+
+/************************************************************************
+ Routine to search sam passwd by rid.
+*************************************************************************/
+
+struct sam_passwd *getsam21pwrid(uint32 rid)
+{
+ return pdb_ops->getsam21pwrid(rid);
+}
+
+
+/**********************************************************
+ **********************************************************
+
+ utility routines which are likely to be useful to all password
+ databases
+
+ **********************************************************
+ **********************************************************/
+
+/*************************************************************
+ initialises a struct sam_disp_info.
+ **************************************************************/
+
+static void pdb_init_dispinfo(struct sam_disp_info *user)
+{
+ if (user == NULL) return;
+ memset((char *)user, '\0', sizeof(*user));
}
/*************************************************************
initialises a struct smb_passwd.
**************************************************************/
-void pwdb_init_smb(struct smb_passwd *user)
+
+void pdb_init_smb(struct smb_passwd *user)
{
if (user == NULL) return;
- bzero(user, sizeof(*user));
+ memset((char *)user, '\0', sizeof(*user));
user->pass_last_set_time = (time_t)-1;
- user->unix_uid = (uid_t)-1;
- user->user_rid = 0xffffffff;
}
/*************************************************************
- fills in missing details. one set of details _must_ exist.
+ initialises a struct sam_passwd.
+ **************************************************************/
+void pdb_init_sam(struct sam_passwd *user)
+{
+ if (user == NULL) return;
+ memset((char *)user, '\0', sizeof(*user));
+ user->logon_time = (time_t)-1;
+ user->logoff_time = (time_t)-1;
+ user->kickoff_time = (time_t)-1;
+ user->pass_last_set_time = (time_t)-1;
+ user->pass_can_change_time = (time_t)-1;
+ user->pass_must_change_time = (time_t)-1;
+}
+
+/*************************************************************************
+ Routine to return the next entry in the sam passwd list.
+ *************************************************************************/
+
+struct sam_disp_info *pdb_sam_to_dispinfo(struct sam_passwd *user)
+{
+ static struct sam_disp_info disp_info;
+
+ if (user == NULL) return NULL;
+
+ pdb_init_dispinfo(&disp_info);
+
+ disp_info.smb_name = user->smb_name;
+ disp_info.full_name = user->full_name;
+ disp_info.user_rid = user->user_rid;
+
+ return &disp_info;
+}
+
+/*************************************************************
+ converts a sam_passwd structure to a smb_passwd structure.
+ **************************************************************/
+
+struct smb_passwd *pdb_sam_to_smb(struct sam_passwd *user)
+{
+ static struct smb_passwd pw_buf;
+
+ if (user == NULL) return NULL;
+
+ pdb_init_smb(&pw_buf);
+
+ pw_buf.smb_userid = user->smb_userid;
+ pw_buf.smb_name = user->smb_name;
+ pw_buf.smb_passwd = user->smb_passwd;
+ pw_buf.smb_nt_passwd = user->smb_nt_passwd;
+ pw_buf.acct_ctrl = user->acct_ctrl;
+ pw_buf.pass_last_set_time = user->pass_last_set_time;
+
+ return &pw_buf;
+}
+
+
+/*************************************************************
+ converts a smb_passwd structure to a sam_passwd structure.
**************************************************************/
-struct smb_passwd *pwdb_smb_map_names(struct smb_passwd *smb)
+
+struct sam_passwd *pdb_smb_to_sam(struct smb_passwd *user)
{
- DOM_NAME_MAP gmep;
- BOOL found = False;
- DOM_SID sid;
- static fstring unix_name;
- static fstring nt_name;
+ static struct sam_passwd pw_buf;
+
+ if (user == NULL) return NULL;
+
+ pdb_init_sam(&pw_buf);
+
+ pw_buf.smb_userid = user->smb_userid;
+ pw_buf.smb_name = user->smb_name;
+ pw_buf.smb_passwd = user->smb_passwd;
+ pw_buf.smb_nt_passwd = user->smb_nt_passwd;
+ pw_buf.acct_ctrl = user->acct_ctrl;
+ pw_buf.pass_last_set_time = user->pass_last_set_time;
+
+ return &pw_buf;
+}
+
+/**********************************************************
+ Encode the account control bits into a string.
+ length = length of string to encode into (including terminating
+ null). length *MUST BE MORE THAN 2* !
+ **********************************************************/
+
+char *pdb_encode_acct_ctrl(uint16 acct_ctrl, size_t length)
+{
+ static fstring acct_str;
+ size_t i = 0;
+
+ acct_str[i++] = '[';
+
+ if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
+ if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
+ if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
+ if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
+ if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
+ if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
+ if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
+ if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
+ if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
+ if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
+ if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
+
+ for ( ; i < length - 2 ; i++ ) { acct_str[i] = ' '; }
- if (smb == NULL)
+ i = length - 2;
+ acct_str[i++] = ']';
+ acct_str[i++] = '\0';
+
+ return acct_str;
+}
+
+/**********************************************************
+ Decode the account control bits from a string.
+
+ this function breaks coding standards minimum line width of 80 chars.
+ reason: vertical line-up code clarity - all case statements fit into
+ 15 lines, which is more important.
+ **********************************************************/
+
+uint16 pdb_decode_acct_ctrl(const char *p)
+{
+ uint16 acct_ctrl = 0;
+ BOOL finished = False;
+
+ /*
+ * Check if the account type bits have been encoded after the
+ * NT password (in the form [NDHTUWSLXI]).
+ */
+
+ if (*p != '[') return 0;
+
+ for (p++; *p && !finished; p++)
{
- DEBUG(10,("pwdb_smb_map_names: NULL\n"));
- return NULL;
+ switch (*p)
+ {
+ case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
+ case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
+ case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
+ case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
+ case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
+ case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
+ case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
+ case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
+ case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
+ case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
+ case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
+ case ' ': { break; }
+ case ':':
+ case '\n':
+ case '\0':
+ case ']':
+ default: { finished = True; }
+ }
}
- DEBUG(10,("pwdb_smb_map_names: unix %s nt %s unix %d nt%d\n",
- smb->unix_name != NULL ? smb->unix_name : "NULL",
- smb->nt_name != NULL ? smb->nt_name : "NULL",
- smb->unix_uid, smb->user_rid));
+ return acct_ctrl;
+}
+
+/*******************************************************************
+ gets password-database-format time from a string.
+ ********************************************************************/
- if (smb->unix_name == NULL && smb->nt_name == NULL &&
- smb->unix_uid == (uid_t)-1 && smb->user_rid == 0xffffffff)
+static time_t get_time_from_string(const char *p)
+{
+ int i;
+
+ for (i = 0; i < 8; i++)
{
- return NULL;
+ if (p[i] == '\0' || !isxdigit((int)(p[i]&0xFF)))
+ break;
+ }
+ if (i == 8)
+ {
+ /*
+ * p points at 8 characters of hex digits -
+ * read into a time_t as the seconds since
+ * 1970 that the password was last changed.
+ */
+ return (time_t)strtol(p, NULL, 16);
}
- if (smb->unix_name != NULL && smb->nt_name != NULL &&
- smb->unix_uid != (uid_t)-1 && smb->user_rid != 0xffffffff)
+ return (time_t)-1;
+}
+
+/*******************************************************************
+ gets password last set time
+ ********************************************************************/
+
+time_t pdb_get_last_set_time(const char *p)
+{
+ if (*p && StrnCaseCmp(p, "LCT-", 4))
{
- return smb;
+ return get_time_from_string(p + 4);
}
+ return (time_t)-1;
+}
- if (!found && smb->unix_name != NULL)
+
+/*******************************************************************
+ sets password-database-format time in a string.
+ ********************************************************************/
+static void set_time_in_string(char *p, int max_len, char *type, time_t t)
+{
+ slprintf(p, max_len, ":%s-%08X:", type, (uint32)t);
+}
+
+/*******************************************************************
+ sets logon time
+ ********************************************************************/
+void pdb_set_logon_time(char *p, int max_len, time_t t)
+{
+ set_time_in_string(p, max_len, "LNT", t);
+}
+
+/*******************************************************************
+ sets logoff time
+ ********************************************************************/
+void pdb_set_logoff_time(char *p, int max_len, time_t t)
+{
+ set_time_in_string(p, max_len, "LOT", t);
+}
+
+/*******************************************************************
+ sets kickoff time
+ ********************************************************************/
+void pdb_set_kickoff_time(char *p, int max_len, time_t t)
+{
+ set_time_in_string(p, max_len, "KOT", t);
+}
+
+/*******************************************************************
+ sets password can change time
+ ********************************************************************/
+void pdb_set_can_change_time(char *p, int max_len, time_t t)
+{
+ set_time_in_string(p, max_len, "CCT", t);
+}
+
+/*******************************************************************
+ sets password last set time
+ ********************************************************************/
+void pdb_set_must_change_time(char *p, int max_len, time_t t)
+{
+ set_time_in_string(p, max_len, "MCT", t);
+}
+
+/*******************************************************************
+ sets password last set time
+ ********************************************************************/
+void pdb_set_last_set_time(char *p, int max_len, time_t t)
+{
+ set_time_in_string(p, max_len, "LCT", t);
+}
+
+
+/*************************************************************
+ Routine to set 32 hex password characters from a 16 byte array.
+**************************************************************/
+void pdb_sethexpwd(char *p, unsigned char *pwd, uint16 acct_ctrl)
+{
+ if (pwd != NULL)
{
- found = lookupsmbpwnam(smb->unix_name, &gmep);
+ int i;
+ for (i = 0; i < 16; i++)
+ {
+ slprintf(&p[i*2], 3, "%02X", pwd[i]);
+ }
}
- if (!found && smb->unix_uid != (uid_t)-1)
+ else
{
- found = lookupsmbpwuid(smb->unix_uid , &gmep);
+ if (IS_BITS_SET_ALL(acct_ctrl, ACB_PWNOTREQ))
+ {
+ safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 33);
+ }
+ else
+ {
+ safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
+ }
}
+}
+/*************************************************************
+ Routine to get the 32 hex characters and turn them
+ into a 16 byte array.
+**************************************************************/
+BOOL pdb_gethexpwd(char *p, unsigned char *pwd)
+{
+ int i;
+ unsigned char lonybble, hinybble;
+ char *hexchars = "0123456789ABCDEF";
+ char *p1, *p2;
- if (!found)
+ for (i = 0; i < 32; i += 2)
{
- sid_copy(&sid, &global_sam_sid);
- sid_append_rid(&sid, smb->user_rid);
+ hinybble = toupper(p[i]);
+ lonybble = toupper(p[i + 1]);
+
+ p1 = strchr(hexchars, hinybble);
+ p2 = strchr(hexchars, lonybble);
+
+ if (!p1 || !p2)
+ {
+ return (False);
+ }
+
+ hinybble = PTR_DIFF(p1, hexchars);
+ lonybble = PTR_DIFF(p2, hexchars);
+
+ pwd[i / 2] = (hinybble << 4) | lonybble;
}
+ return (True);
+}
+
+/*******************************************************************
+ Group and User RID username mapping function
+ ********************************************************************/
- if (!found && smb->user_rid != 0xffffffff)
+BOOL pdb_name_to_rid(char *user_name, uint32 *u_rid, uint32 *g_rid)
+{
+ struct passwd *pw = Get_Pwnam(user_name, False);
+
+ if (u_rid == NULL || g_rid == NULL || user_name == NULL)
{
- found = lookupsmbpwsid (&sid , &gmep);
+ return False;
}
- if (!found && smb->nt_name != NULL)
+
+ if (!pw)
{
- found = lookupsmbpwntnam(smb->nt_name, &gmep);
+ DEBUG(1,("Username %s is invalid on this system\n", user_name));
+ return False;
}
- if (!found)
+ if (user_in_list(user_name, lp_domain_guest_users()))
{
- return NULL;
+ *u_rid = DOMAIN_USER_RID_GUEST;
}
-
- if (!sid_front_equal(&global_sam_sid, &gmep.sid))
+ else if (user_in_list(user_name, lp_domain_admin_users()))
{
- fstring sid_str;
- sid_to_string(sid_str, &gmep.sid);
- DEBUG(0,("UNIX User %s Primary Group is in the wrong domain! %s\n",
- smb->unix_name, sid_str));
- return NULL;
+ *u_rid = DOMAIN_USER_RID_ADMIN;
+ }
+ else
+ {
+ /* turn the unix UID into a Domain RID. this is what the posix
+ sub-system does (adds 1000 to the uid) */
+ *u_rid = pdb_uid_to_user_rid(pw->pw_uid);
+ }
+
+ /* absolutely no idea what to do about the unix GID to Domain RID mapping */
+ *g_rid = pdb_gid_to_group_rid(pw->pw_gid);
+
+ return True;
+}
+
+/****************************************************************************
+ Read the machine SID from a file.
+****************************************************************************/
+
+static BOOL read_sid_from_file(int fd, char *sid_file)
+{
+ fstring fline;
+
+ 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;
+ }
+
+ return True;
+}
+
+/****************************************************************************
+ Generate the global machine sid. Look for the MACHINE.SID file first, if
+ not found then look in smb.conf and use it to create the MACHINE.SID file.
+****************************************************************************/
+BOOL pdb_generate_sam_sid(void)
+{
+ int fd;
+ char *p;
+ pstring sid_file;
+ fstring sid_string;
+ SMB_STRUCT_STAT st;
+ BOOL overwrite_bad_sid = False;
+
+ generate_wellknown_sids();
+
+ pstrcpy(sid_file, lp_smb_passwd_file());
+ p = strrchr(sid_file, '/');
+ if(p != NULL) {
+ *++p = '\0';
+ }
+
+ if (!directory_exist(sid_file, NULL)) {
+ if (mkdir(sid_file, 0700) != 0) {
+ DEBUG(0,("can't create private directory %s : %s\n",
+ sid_file, strerror(errno)));
+ return False;
+ }
+ }
+
+ pstrcat(sid_file, "MACHINE.SID");
+
+ 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;
+ }
+
+ /*
+ * JRA. Reversed the sense of this test now that I have
+ * actually done this test *personally*. One more reason
+ * to never trust third party information you have not
+ * independently verified.... sigh. JRA.
+ */
+
+ if(global_sam_sid.num_auths > 0 && global_sam_sid.sub_auths[0] == 0x21) {
+ /*
+ * Fix and re-write...
+ */
+ overwrite_bad_sid = True;
+ global_sam_sid.sub_auths[0] = 21;
+ DEBUG(5,("pdb_generate_sam_sid: Old (incorrect) sid id_auth of hex 21 \
+detected - re-writing to be decimal 21 instead.\n" ));
+ sid_to_string(sid_string, &global_sam_sid);
+ if(sys_lseek(fd, (SMB_OFF_T)0, SEEK_SET) != 0) {
+ DEBUG(0,("unable to seek file file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ close(fd);
+ return False;
+ }
+ } else {
+ close(fd);
+ return True;
+ }
+ } else {
+ /*
+ * The file contains no data - we need to generate our
+ * own sid.
+ * Generate the new sid data & turn it into a string.
+ */
+ int i;
+ uchar raw_sid_data[12];
+ DOM_SID mysid;
+
+ memset((char *)&mysid, '\0', sizeof(DOM_SID));
+ mysid.sid_rev_num = 1;
+ mysid.id_auth[5] = 5;
+ mysid.num_auths = 0;
+ mysid.sub_auths[mysid.num_auths++] = 21;
+
+ generate_random_buffer( raw_sid_data, 12, True);
+ for( i = 0; i < 3; i++)
+ mysid.sub_auths[mysid.num_auths++] = IVAL(raw_sid_data, i*4);
+
+ sid_to_string(sid_string, &mysid);
+ }
+
+ 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;
+ }
+
+ if(!overwrite_bad_sid) {
+ /*
+ * 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);
+ return False;
+ }
+
+ 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);
+ return True;
+ }
+ }
+
+ /*
+ * The file is still empty and we have an exlusive lock on it,
+ * or we're fixing an earlier mistake.
+ * Write out out SID data into the file.
+ */
+
+ /*
+ * Use chmod here as some (strange) UNIX's don't
+ * have fchmod. JRA.
+ */
+
+ if(chmod(sid_file, 0644) < 0) {
+ DEBUG(0,("unable to set correct permissions on file %s. \
+Error was %s\n", sid_file, strerror(errno) ));
+ do_file_lock( fd, 60, F_UNLCK);
+ 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) ));
+ do_file_lock( fd, 60, F_UNLCK);
+ close(fd);
+ return False;
+ }
+
+ /*
+ * Unlock & exit.
+ */
+
+ do_file_lock( fd, 60, F_UNLCK);
+ close(fd);
+ return True;
+}
+
+/*******************************************************************
+ Converts NT user RID to a UNIX uid.
+ ********************************************************************/
+
+uid_t pdb_user_rid_to_uid(uint32 user_rid)
+{
+ return (uid_t)(((user_rid & (~USER_RID_TYPE))- 1000)/RID_MULTIPLIER);
+}
+
+/*******************************************************************
+ Converts NT user RID to a UNIX gid.
+ ********************************************************************/
+
+gid_t pdb_user_rid_to_gid(uint32 user_rid)
+{
+ return (uid_t)(((user_rid & (~GROUP_RID_TYPE))- 1000)/RID_MULTIPLIER);
+}
+
+/*******************************************************************
+ converts UNIX uid to an NT User RID.
+ ********************************************************************/
+
+uint32 pdb_uid_to_user_rid(uid_t uid)
+{
+ return (((((uint32)uid)*RID_MULTIPLIER) + 1000) | USER_RID_TYPE);
+}
+
+/*******************************************************************
+ converts NT Group RID to a UNIX uid.
+ ********************************************************************/
+
+uint32 pdb_gid_to_group_rid(gid_t gid)
+{
+ return (((((uint32)gid)*RID_MULTIPLIER) + 1000) | GROUP_RID_TYPE);
+}
+
+/*******************************************************************
+ Decides if a RID is a well known RID.
+ ********************************************************************/
+
+static BOOL pdb_rid_is_well_known(uint32 rid)
+{
+ return (rid < 1000);
+}
+
+/*******************************************************************
+ Decides if a RID is a user or group RID.
+ ********************************************************************/
+
+BOOL pdb_rid_is_user(uint32 rid)
+{
+ /* lkcl i understand that NT attaches an enumeration to a RID
+ * such that it can be identified as either a user, group etc
+ * type. there are 5 such categories, and they are documented.
+ */
+ if(pdb_rid_is_well_known(rid)) {
+ /*
+ * The only well known user RIDs are DOMAIN_USER_RID_ADMIN
+ * and DOMAIN_USER_RID_GUEST.
+ */
+ if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST)
+ return True;
+ } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
+ return True;
+ }
+ return False;
+}
+
+/*******************************************************************
+ Convert a rid into a name. Used in the lookup SID rpc.
+ ********************************************************************/
+
+BOOL lookup_local_rid(uint32 rid, char *name, uint8 *psid_name_use)
+{
+
+ BOOL is_user = pdb_rid_is_user(rid);
+
+ DEBUG(5,("lookup_local_rid: looking up %s RID %u.\n", is_user ? "user" :
+ "group", (unsigned int)rid));
+
+ if(is_user) {
+ if(rid == DOMAIN_USER_RID_ADMIN) {
+ pstring admin_users;
+ char *p = admin_users;
+ pstrcpy( admin_users, lp_domain_admin_users());
+ if(!next_token(&p, name, NULL, sizeof(fstring)))
+ fstrcpy(name, "Administrator");
+ } else if (rid == DOMAIN_USER_RID_GUEST) {
+ pstring guest_users;
+ char *p = guest_users;
+ pstrcpy( guest_users, lp_domain_guest_users());
+ if(!next_token(&p, name, NULL, sizeof(fstring)))
+ fstrcpy(name, "Guest");
+ } else {
+ uid_t uid = pdb_user_rid_to_uid(rid);
+ struct passwd *pass = sys_getpwuid(uid);
+
+ *psid_name_use = SID_NAME_USER;
+
+ DEBUG(5,("lookup_local_rid: looking up uid %u %s\n", (unsigned int)uid,
+ pass ? "succeeded" : "failed" ));
+
+ if(!pass) {
+ slprintf(name, sizeof(fstring)-1, "unix_user.%u", (unsigned int)uid);
+ return True;
+ }
+
+ fstrcpy(name, pass->pw_name);
+
+ DEBUG(5,("lookup_local_rid: found user %s for rid %u\n", name,
+ (unsigned int)rid ));
+ }
+
+ } else {
+ gid_t gid = pdb_user_rid_to_gid(rid);
+ struct group *gr = getgrgid(gid);
+
+ *psid_name_use = SID_NAME_ALIAS;
+
+ DEBUG(5,("lookup_local_rid: looking up gid %u %s\n", (unsigned int)gid,
+ gr ? "succeeded" : "failed" ));
+
+ if(!gr) {
+ slprintf(name, sizeof(fstring)-1, "unix_group.%u", (unsigned int)gid);
+ return True;
+ }
+
+ fstrcpy( name, gr->gr_name);
+
+ DEBUG(5,("lookup_local_rid: found group %s for rid %u\n", name,
+ (unsigned int)rid ));
+ }
+
+ return True;
+}
+
+/*******************************************************************
+ Convert a name into a SID. Used in the lookup name rpc.
+ ********************************************************************/
+
+BOOL lookup_local_name(char *domain, char *user, DOM_SID *psid, uint8 *psid_name_use)
+{
+ extern DOM_SID global_sid_World_Domain;
+ struct passwd *pass = NULL;
+ DOM_SID local_sid;
+
+ sid_copy(&local_sid, &global_sam_sid);
+
+ if(!strequal(global_myname, domain) && !strequal(global_myworkgroup, domain))
+ return False;
+
+ /*
+ * Special case for MACHINE\Everyone. Map to the world_sid.
+ */
+
+ if(strequal(user, "Everyone")) {
+ sid_copy( psid, &global_sid_World_Domain);
+ sid_append_rid(psid, 0);
+ *psid_name_use = SID_NAME_ALIAS;
+ return True;
+ }
+
+ (void)map_username(user);
+
+ if(!(pass = Get_Pwnam(user, False))) {
+ /*
+ * Maybe it was a group ?
+ */
+ struct group *grp = getgrnam(user);
+
+ if(!grp)
+ return False;
+
+ sid_append_rid( &local_sid, pdb_gid_to_group_rid(grp->gr_gid));
+ *psid_name_use = SID_NAME_ALIAS;
+ } else {
+
+ sid_append_rid( &local_sid, pdb_uid_to_user_rid(pass->pw_uid));
+ *psid_name_use = SID_NAME_USER;
}
- fstrcpy(unix_name, gmep.unix_name);
- fstrcpy(nt_name , gmep.nt_name );
- if (smb->unix_name == NULL ) smb->unix_name = unix_name;
- if (smb->nt_name == NULL ) smb->nt_name = nt_name ;
- if (smb->unix_uid == (uid_t)-1 ) smb->unix_uid = (uid_t)gmep.unix_id;
- if (smb->user_rid == 0xffffffff) sid_split_rid(&gmep.sid, &smb->user_rid);
+ sid_copy( psid, &local_sid);
- return smb;
+ return True;
}
git.samba.org / gd / samba / .git / blobdiff