diff options
Diffstat (limited to 'source3/passdb')
-rw-r--r-- | source3/passdb/passdb.c | 80 | ||||
-rw-r--r-- | source3/passdb/pdb_interface.c | 368 | ||||
-rw-r--r-- | source3/passdb/pdb_ldap.c | 14 | ||||
-rw-r--r-- | source3/passdb/pdb_nisplus.c | 16 | ||||
-rw-r--r-- | source3/passdb/pdb_smbpasswd.c | 532 | ||||
-rw-r--r-- | source3/passdb/pdb_tdb.c | 421 |
6 files changed, 992 insertions, 439 deletions
diff --git a/source3/passdb/passdb.c b/source3/passdb/passdb.c index 4460af0545..2bb4ee0a75 100644 --- a/source3/passdb/passdb.c +++ b/source3/passdb/passdb.c @@ -32,28 +32,6 @@ extern DOM_SID global_sam_sid; -struct passdb_ops *pdb_ops; - -#if 0 /* JERRY */ -static void* pdb_handle = NULL; -#endif - -/*************************************************************** - Initialize the password db operations. -***************************************************************/ - -BOOL initialize_password_db(BOOL reload) -{ - /* - * This function is unfinished right now, so just - * ignore the details and always return True. It - * is here only as a placeholder --jerry - */ - return True; - -} - - /************************************************************ Fill the SAM_ACCOUNT with default values. ***********************************************************/ @@ -639,6 +617,7 @@ BOOL local_lookup_name(const char *c_domain, const char *c_user, DOM_SID *psid, DOM_SID local_sid; fstring user; fstring domain; + SAM_ACCOUNT *sam_account = NULL; *psid_name_use = SID_NAME_UNKNOWN; @@ -671,9 +650,20 @@ BOOL local_lookup_name(const char *c_domain, const char *c_user, DOM_SID *psid, (void)map_username(user); - if((pass = Get_Pwnam(user))) { + if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_account))) { + return False; + } + + if (pdb_getsampwnam(sam_account, user)) { + sid_append_rid( &local_sid, pdb_get_user_rid(sam_account)); + *psid_name_use = SID_NAME_USER; + pdb_free_sam(&sam_account); + + } else if((pass = Get_Pwnam(user))) { sid_append_rid( &local_sid, pdb_uid_to_user_rid(pass->pw_uid)); *psid_name_use = SID_NAME_USER; + pdb_free_sam(&sam_account); + } else { /* * Maybe it was a group ? @@ -681,6 +671,8 @@ BOOL local_lookup_name(const char *c_domain, const char *c_user, DOM_SID *psid, struct group *grp; GROUP_MAP map; + pdb_free_sam(&sam_account); + /* check if it's a mapped group */ if (get_group_map_from_ntname(user, &map, MAPPING_WITHOUT_PRIV)) { if (map.gid!=-1) { @@ -1021,29 +1013,33 @@ BOOL local_password_change(const char *user_name, int local_flags, pdb_free_sam(&sam_pass); if (local_flags & LOCAL_ADD_USER) { - /* - * Check for a local account - if we're adding only. - */ - - if(!(pwd = getpwnam_alloc(user_name))) { - slprintf(err_str, err_str_len - 1, "User %s does not \ -exist in system password file (usually /etc/passwd). Cannot add \ -account without a valid local system user.\n", user_name); - return False; - } + pwd = getpwnam_alloc(user_name); } else { slprintf(err_str, err_str_len-1,"Failed to find entry for user %s.\n", user_name); return False; } - - if (!NT_STATUS_IS_OK(pdb_init_sam_pw(&sam_pass, pwd))){ - slprintf(err_str, err_str_len-1, "Failed initialise SAM_ACCOUNT for user %s.\n", user_name); + + if (pwd) { + /* Local user found, so init from this */ + if (!NT_STATUS_IS_OK(pdb_init_sam_pw(&sam_pass, pwd))){ + slprintf(err_str, err_str_len-1, "Failed initialise SAM_ACCOUNT for user %s.\n", user_name); + passwd_free(&pwd); + return False; + } + passwd_free(&pwd); - return False; + } else { + if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_pass))){ + slprintf(err_str, err_str_len-1, "Failed initialise SAM_ACCOUNT for user %s.\n", user_name); + return False; + } + + if (!pdb_set_username(sam_pass, user_name)) { + slprintf(err_str, err_str_len - 1, "Failed to set username for user %s.\n", user_name); + pdb_free_sam(&sam_pass); + return False; + } } - - passwd_free(&pwd); - if (local_flags & LOCAL_TRUST_ACCOUNT) { if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST)) { slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name); @@ -1135,14 +1131,14 @@ account without a valid local system user.\n", user_name); return False; } } else if (local_flags & LOCAL_DELETE_USER) { - if (!pdb_delete_sam_account(user_name)) { + if (!pdb_delete_sam_account(sam_pass)) { slprintf(err_str,err_str_len-1, "Failed to delete entry for user %s.\n", user_name); pdb_free_sam(&sam_pass); return False; } slprintf(msg_str, msg_str_len-1, "Deleted user %s.\n", user_name); } else { - if(!pdb_update_sam_account(sam_pass, True)) { + if(!pdb_update_sam_account(sam_pass)) { slprintf(err_str, err_str_len-1, "Failed to modify entry for user %s.\n", user_name); pdb_free_sam(&sam_pass); return False; diff --git a/source3/passdb/pdb_interface.c b/source3/passdb/pdb_interface.c new file mode 100644 index 0000000000..b5e7273520 --- /dev/null +++ b/source3/passdb/pdb_interface.c @@ -0,0 +1,368 @@ +/* + Unix SMB/Netbios implementation. + Version 3.0 + Password and authentication handling + Copyright (C) Andrew Bartlett 2002 + + 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" + +/** List of various built-in passdb modules */ + +const struct pdb_init_function builtin_pdb_init_functions[] = { + { "smbpasswd", pdb_init_smbpasswd }, + { "smbpasswd_nua", pdb_init_smbpasswd_nua }, + { "tdbsam", pdb_init_tdbsam }, + { "tdbsam_nua", pdb_init_tdbsam_nua }, +#if 0 + { "ldap", pdb_init_ldap }, + { "nisplus", pdb_init_nisplus }, + { "unix", pdb_init_unix }, +#endif + { NULL, NULL} +}; + +static BOOL context_setsampwent(struct pdb_context *context, BOOL update) +{ + if ((!context) || (!context->pdb_selected)) { + DEBUG(0, ("invalid pdb_context specified!\n")); + return False; + } + + return context->pdb_selected->setsampwent(context, update); +} + +static void context_endsampwent(struct pdb_context *context) +{ + if ((!context) || (!context->pdb_selected)) { + DEBUG(0, ("invalid pdb_context specified!\n")); + return; + } + + context->pdb_selected->endsampwent(context); +} + +static BOOL context_getsampwent(struct pdb_context *context, SAM_ACCOUNT *user) +{ + if ((!context) || (!context->pdb_selected)) { + DEBUG(0, ("invalid pdb_context specified!\n")); + return False; + } + + return context->pdb_selected->getsampwent(context, user); +} + +static BOOL context_getsampwnam(struct pdb_context *context, SAM_ACCOUNT *sam_acct, const char *username) +{ + if ((!context) || (!context->pdb_selected)) { + DEBUG(0, ("invalid pdb_context specified!\n")); + return False; + } + + return context->pdb_selected->getsampwnam(context, sam_acct, username); +} + +static BOOL context_getsampwrid(struct pdb_context *context, SAM_ACCOUNT *sam_acct, uint32 rid) +{ + if ((!context) || (!context->pdb_selected)) { + DEBUG(0, ("invalid pdb_context specified!\n")); + return False; + } + + return context->pdb_selected->getsampwrid(context, sam_acct, rid); +} + +static BOOL context_add_sam_account(struct pdb_context *context, SAM_ACCOUNT *sam_acct) +{ + if ((!context) || (!context->pdb_selected)) { + DEBUG(0, ("invalid pdb_context specified!\n")); + return False; + } + + /** @todo This is where a 're-read on add' should be done */ + + return context->pdb_selected->add_sam_account(context, sam_acct); +} + +static BOOL context_update_sam_account(struct pdb_context *context, SAM_ACCOUNT *sam_acct) +{ + if ((!context) || (!context->pdb_selected)) { + DEBUG(0, ("invalid pdb_context specified!\n")); + return False; + } + + /** @todo This is where a 're-read on update' should be done */ + + return context->pdb_selected->update_sam_account(context, sam_acct); +} + +static BOOL context_delete_sam_account(struct pdb_context *context, SAM_ACCOUNT *sam_acct) +{ + if ((!context) || (!context->pdb_selected)) { + DEBUG(0, ("invalid pdb_context specified!\n")); + return False; + } + + return context->pdb_selected->delete_sam_account(context, sam_acct); +} + +static void free_pdb_context(struct pdb_context **context) +{ + if (((*context)->pdb_selected) && ((*context)->pdb_selected->free_private_data)) { + (*context)->pdb_selected->free_private_data((*context)->pdb_selected->private_data); + } + + talloc_destroy((*context)->mem_ctx); + *context = NULL; +} + +/****************************************************************** + Make a pdb_context from scratch. +*******************************************************************/ + +static NTSTATUS make_pdb_context(struct pdb_context **context) +{ + TALLOC_CTX *mem_ctx; + + mem_ctx = talloc_init_named("pdb_context internal allocation context"); + + if (!mem_ctx) { + DEBUG(0, ("make_pdb_context: talloc init failed!\n")); + return NT_STATUS_NO_MEMORY; + } + + *context = talloc(mem_ctx, sizeof(**context)); + if (!*context) { + DEBUG(0, ("make_pdb_context: talloc failed!\n")); + return NT_STATUS_NO_MEMORY; + } + + ZERO_STRUCTP(*context); + + (*context)->mem_ctx = mem_ctx; + + (*context)->pdb_setsampwent = context_setsampwent; + (*context)->pdb_endsampwent = context_endsampwent; + (*context)->pdb_getsampwent = context_getsampwent; + (*context)->pdb_getsampwnam = context_getsampwnam; + (*context)->pdb_getsampwrid = context_getsampwrid; + (*context)->pdb_add_sam_account = context_add_sam_account; + (*context)->pdb_update_sam_account = context_update_sam_account; + (*context)->pdb_delete_sam_account = context_delete_sam_account; + + (*context)->free_fn = free_pdb_context; + + return NT_STATUS_OK; +} + + +/****************************************************************** + Make a pdb_context, given a text string. +*******************************************************************/ + +NTSTATUS make_pdb_context_name(struct pdb_context **context, char *selected) +{ + /* HINT: Don't store 'selected' becouse its often an lp_ string and will 'go away' */ + NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; + int i; + + if (!NT_STATUS_IS_OK(nt_status = make_pdb_context(context))) { + return nt_status; + } + + DEBUG(5,("Attempting to find an passdb backend to match %s\n", selected)); + for (i = 0; builtin_pdb_init_functions[i].name; i++) + { + if (strequal(builtin_pdb_init_functions[i].name, selected)) + { + DEBUG(5,("Found pdb backend %s (at pos %d)\n", selected, i)); + if (NT_STATUS_IS_OK(nt_status + = builtin_pdb_init_functions[i].init(*context, &(*context)->pdb_selected, NULL))) { + DEBUG(5,("pdb backend %s has a valid init\n", selected)); + (*context)->pdb_selected->name = builtin_pdb_init_functions[i].name; + } else { + DEBUG(0,("pdb backend %s did not correctly init (error was %s)\n", selected, get_nt_error_msg(nt_status))); + (*context)->pdb_selected = NULL; + } + break; + } + } + + if (!(*context)->pdb_selected) { + DEBUG(0,("failed to select passdb backed!\n")); + talloc_destroy((*context)->mem_ctx); + *context = NULL; + return nt_status; + } + + return NT_STATUS_OK; +} + + +/****************************************************************** + Return an already initilised pdb_context, to facilitate backward + compatiablity (see functions below). +*******************************************************************/ + +static struct pdb_context *pdb_get_static_context(BOOL reload) +{ + static struct pdb_context *pdb_context = NULL; + + if ((pdb_context) && (reload)) { + pdb_context->free_fn(&pdb_context); + if (!NT_STATUS_IS_OK(make_pdb_context_name(&pdb_context, lp_passdb_backend()))) { + return NULL; + } + } + + if (!pdb_context) { + if (!NT_STATUS_IS_OK(make_pdb_context_name(&pdb_context, lp_passdb_backend()))) { + return NULL; + } + } + + return pdb_context; +} + +#if !defined(WITH_LDAP_SAM) && !defined(WITH_NISPLUS_SAM) + +/****************************************************************** + Backward compatability functions for the original passdb interface +*******************************************************************/ + +BOOL pdb_setsampwent(BOOL update) +{ + struct pdb_context *pdb_context = pdb_get_static_context(False); + + if (!pdb_context) { + return False; + } + + return pdb_context->pdb_setsampwent(pdb_context, update); +} + +void pdb_endsampwent(void) +{ + struct pdb_context *pdb_context = pdb_get_static_context(False); + + if (!pdb_context) { + return; + } + + pdb_context->pdb_endsampwent(pdb_context); +} + +BOOL pdb_getsampwent(SAM_ACCOUNT *user) +{ + struct pdb_context *pdb_context = pdb_get_static_context(False); + + if (!pdb_context) { + return False; + } + + return pdb_context->pdb_getsampwent(pdb_context, user); +} + +BOOL pdb_getsampwnam(SAM_ACCOUNT *sam_acct, const char *username) +{ + struct pdb_context *pdb_context = pdb_get_static_context(False); + + if (!pdb_context) { + return False; + } + + return pdb_context->pdb_getsampwnam(pdb_context, sam_acct, username); +} + +BOOL pdb_getsampwrid(SAM_ACCOUNT *sam_acct, uint32 rid) +{ + struct pdb_context *pdb_context = pdb_get_static_context(False); + + if (!pdb_context) { + return False; + } + + return pdb_context->pdb_getsampwrid(pdb_context, sam_acct, rid); +} + +BOOL pdb_add_sam_account(SAM_ACCOUNT *sam_acct) +{ + struct pdb_context *pdb_context = pdb_get_static_context(False); + + if (!pdb_context) { + return False; + } + + return pdb_context->pdb_add_sam_account(pdb_context, sam_acct); +} + +BOOL pdb_update_sam_account(SAM_ACCOUNT *sam_acct) +{ + struct pdb_context *pdb_context = pdb_get_static_context(False); + + if (!pdb_context) { + return False; + } + + return pdb_context->pdb_update_sam_account(pdb_context, sam_acct); +} + +BOOL pdb_delete_sam_account(SAM_ACCOUNT *sam_acct) +{ + struct pdb_context *pdb_context = pdb_get_static_context(False); + + if (!pdb_context) { + return False; + } + + return pdb_context->pdb_delete_sam_account(pdb_context, sam_acct); +} + +#endif /* !defined(WITH_LDAP_SAM) && !defined(WITH_NISPLUS_SAM) */ + +/*************************************************************** + Initialize the static context (at smbd startup etc). + + If uninitialised, context will auto-init on first use. +***************************************************************/ + +BOOL initialize_password_db(BOOL reload) +{ + return (pdb_get_static_context(reload) != NULL); +} + + +NTSTATUS make_pdb_methods(TALLOC_CTX *mem_ctx, PDB_METHODS **methods) +{ + *methods = talloc(mem_ctx, sizeof(struct pdb_methods)); + + if (!*methods) { + return NT_STATUS_NO_MEMORY; + } + + ZERO_STRUCTP(*methods); + + return NT_STATUS_OK; +} + + + + + + + + diff --git a/source3/passdb/pdb_ldap.c b/source3/passdb/pdb_ldap.c index b687f494cc..4e602cae40 100644 --- a/source3/passdb/pdb_ldap.c +++ b/source3/passdb/pdb_ldap.c @@ -840,14 +840,22 @@ BOOL pdb_getsampwrid(SAM_ACCOUNT * user, uint32 rid) /********************************************************************** Delete entry from LDAP for username *********************************************************************/ -BOOL pdb_delete_sam_account(const char *sname) +BOOL pdb_delete_sam_account(SAM_ACCOUNT * sam_acct) { + const char *sname; int rc; char *dn; LDAP *ldap_struct; LDAPMessage *entry; LDAPMessage *result; + if (!sam_acct) { + DEBUG(0, ("sam_acct was NULL!\n")); + return False; + } + + sname = pdb_get_username(sam_acct); + if (!ldap_open_connection (&ldap_struct)) return False; @@ -891,7 +899,7 @@ BOOL pdb_delete_sam_account(const char *sname) /********************************************************************** Update SAM_ACCOUNT *********************************************************************/ -BOOL pdb_update_sam_account(const SAM_ACCOUNT * newpwd, BOOL override) +BOOL pdb_update_sam_account(SAM_ACCOUNT * newpwd) { int rc; char *dn; @@ -952,7 +960,7 @@ BOOL pdb_update_sam_account(const SAM_ACCOUNT * newpwd, BOOL override) /********************************************************************** Add SAM_ACCOUNT to LDAP *********************************************************************/ -BOOL pdb_add_sam_account(const SAM_ACCOUNT * newpwd) +BOOL pdb_add_sam_account(SAM_ACCOUNT * newpwd) { int rc; pstring filter; diff --git a/source3/passdb/pdb_nisplus.c b/source3/passdb/pdb_nisplus.c index 446ba0ce39..687115733a 100644 --- a/source3/passdb/pdb_nisplus.c +++ b/source3/passdb/pdb_nisplus.c @@ -1039,14 +1039,22 @@ BOOL pdb_getsampwrid(SAM_ACCOUNT * user, uint32 rid) /************************************************************************* Routine to remove entry from the nisplus smbpasswd table *************************************************************************/ -BOOL pdb_delete_sam_account(const char *sname) +BOOL pdb_delete_sam_account(SAM_ACCOUNT * user) { + const char *sname; char *pfile = lp_smb_passwd_file(); pstring nisname; nis_result *result, *delresult; nis_object *obj; int i; - + + if (!user) { + DEBUG(0, ("no SAM_ACCOUNT specified!\n")); + return False; + } + + suser = pdb_get_username(user); + if (!*pfile) { DEBUG(0, ("no SMB password file set\n")); @@ -1095,7 +1103,7 @@ BOOL pdb_delete_sam_account(const char *sname) /************************************************************************ Routine to add an entry to the nisplus passwd file. *************************************************************************/ -BOOL pdb_add_sam_account(const SAM_ACCOUNT * newpwd) +BOOL pdb_add_sam_account(SAM_ACCOUNT * newpwd) { int local_user = 0; char *pfile; @@ -1290,7 +1298,7 @@ BOOL pdb_add_sam_account(const SAM_ACCOUNT * newpwd) /************************************************************************ Routine to modify the nisplus passwd entry. ************************************************************************/ -BOOL pdb_update_sam_account(const SAM_ACCOUNT * newpwd, BOOL override) +BOOL pdb_update_sam_account(SAM_ACCOUNT * newpwd) { nis_result *result, *addresult; nis_object *obj; diff --git a/source3/passdb/pdb_smbpasswd.c b/source3/passdb/pdb_smbpasswd.c index a464312ad6..3039e6681c 100644 --- a/source3/passdb/pdb_smbpasswd.c +++ b/source3/passdb/pdb_smbpasswd.c @@ -4,6 +4,7 @@ * Copyright (C) Andrew Tridgell 1992-1998 * Modified by Jeremy Allison 1995. * Modified by Gerald (Jerry) Carter 2000-2001 + * Modified by Andrew Bartlett 2002. * * 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 @@ -22,8 +23,6 @@ #include "includes.h" -#ifdef WITH_SMBPASSWD_SAM - /* smb_passwd is analogous to sam_passwd used everywhere @@ -33,7 +32,8 @@ struct smb_passwd { - uid_t smb_userid; /* this is actually the unix uid_t */ + BOOL smb_userid_set; /* this is actually the unix uid_t */ + uint32 smb_userid; /* this is actually the unix uid_t */ const char *smb_name; /* username string */ const unsigned char *smb_passwd; /* Null if no password */ @@ -43,13 +43,29 @@ struct smb_passwd time_t pass_last_set_time; /* password last set time */ }; +struct smbpasswd_privates +{ + /* used for maintain locks on the smbpasswd file */ + int pw_file_lock_depth; + + /* Global File pointer */ + FILE *pw_file; + + /* formerly static variables */ + struct smb_passwd pw_buf; + pstring user_name; + unsigned char smbpwd[16]; + unsigned char smbntpwd[16]; -extern struct passdb_ops pdb_ops; + /* retrive-once info */ + const char *smbpasswd_file; -/* used for maintain locks on the smbpasswd file */ -static int pw_file_lock_depth; -static void *global_vp; + BOOL permit_non_unix_accounts; + uint32 low_nua_userid; + uint32 high_nua_userid; + +}; enum pwf_access_type { PWF_READ, PWF_UPDATE, PWF_CREATE }; @@ -116,7 +132,7 @@ static void pdb_init_smb(struct smb_passwd *user) been granted to prevent race conditions. JRA. ****************************************************************/ -static void *startsmbfilepwent(const char *pfile, enum pwf_access_type type, int *lock_depth) +static FILE *startsmbfilepwent(const char *pfile, enum pwf_access_type type, int *lock_depth) { FILE *fp = NULL; const char *open_mode = NULL; @@ -238,15 +254,14 @@ Error was %s\n.", pfile, strerror(errno) )); } /* We have a lock on the file. */ - return (void *)fp; + return fp; } /*************************************************************** End enumeration of the smbpasswd list. ****************************************************************/ -static void endsmbfilepwent(void *vp, int *lock_depth) +static void endsmbfilepwent(FILE *fp, int *lock_depth) { - FILE *fp = (FILE *)vp; pw_file_unlock(fileno(fp), lock_depth); fclose(fp); @@ -257,14 +272,13 @@ static void endsmbfilepwent(void *vp, int *lock_depth) Routine to return the next entry in the smbpasswd list. *************************************************************************/ -static struct smb_passwd *getsmbfilepwent(void *vp) +static struct smb_passwd *getsmbfilepwent(struct smbpasswd_privates *smbpasswd_state, FILE *fp) { /* Static buffers we will return. */ - static struct smb_passwd pw_buf; - static pstring user_name; - static unsigned char smbpwd[16]; - static unsigned char smbntpwd[16]; - FILE *fp = (FILE *)vp; + struct smb_passwd *pw_buf = &smbpasswd_state->pw_buf; + char *user_name = smbpasswd_state->user_name; + unsigned char *smbpwd = smbpasswd_state->smbpwd; + unsigned char *smbntpwd = smbpasswd_state->smbntpwd; char linebuf[256]; unsigned char c; unsigned char *p; @@ -276,9 +290,9 @@ static struct smb_passwd *getsmbfilepwent(void *vp) return NULL; } - pdb_init_smb(&pw_buf); + pdb_init_smb(pw_buf); - pw_buf.acct_ctrl = ACB_NORMAL; + pw_buf->acct_ctrl = ACB_NORMAL; /* * Scan the file, a line at a time and check if the name matches. @@ -370,8 +384,8 @@ static struct smb_passwd *getsmbfilepwent(void *vp) continue; } - pw_buf.smb_name = user_name; - pw_buf.smb_userid = uidval; + pw_buf->smb_name = user_name; + pw_buf->smb_userid = uidval; /* * Now get the password value - this should be 32 hex digits @@ -385,10 +399,10 @@ static struct smb_passwd *getsmbfilepwent(void *vp) if (*p == '*' || *p == 'X') { /* Password deliberately invalid - end here. */ DEBUG(10, ("getsmbfilepwent: entry invalidated for user %s\n", user_name)); - pw_buf.smb_nt_passwd = NULL; - pw_buf.smb_passwd = NULL; - pw_buf.acct_ctrl |= ACB_DISABLED; - return &pw_buf; + pw_buf->smb_nt_passwd = NULL; + pw_buf->smb_passwd = NULL; + pw_buf->acct_ctrl |= ACB_DISABLED; + return pw_buf; } if (linebuf_len < (PTR_DIFF(p, linebuf) + 33)) { @@ -402,28 +416,28 @@ static struct smb_passwd *getsmbfilepwent(void *vp) } if (!strncasecmp((char *) p, "NO PASSWORD", 11)) { - pw_buf.smb_passwd = NULL; - pw_buf.acct_ctrl |= ACB_PWNOTREQ; + pw_buf->smb_passwd = NULL; + pw_buf->acct_ctrl |= ACB_PWNOTREQ; } else { if (!pdb_gethexpwd((char *)p, smbpwd)) { DEBUG(0, ("getsmbfilepwent: Malformed Lanman password entry (non hex chars)\n")); continue; } - pw_buf.smb_passwd = smbpwd; + pw_buf->smb_passwd = smbpwd; } /* * Now check if the NT compatible password is * available. */ - pw_buf.smb_nt_passwd = NULL; + pw_buf->smb_nt_passwd = NULL; p += 33; /* Move to the first character of the line after the lanman password. */ if ((linebuf_len >= (PTR_DIFF(p, linebuf) + 33)) && (p[32] == ':')) { if (*p != '*' && *p != 'X') { if(pdb_gethexpwd((char *)p,smbntpwd)) - pw_buf.smb_nt_passwd = smbntpwd; + pw_buf->smb_nt_passwd = smbntpwd; } p += 33; /* Move to the first character of the line after the NT password. */ @@ -435,11 +449,11 @@ static struct smb_passwd *getsmbfilepwent(void *vp) if (*p == '[') { unsigned char *end_p = (unsigned char *)strchr_m((char *)p, ']'); - pw_buf.acct_ctrl = pdb_decode_acct_ctrl((char*)p); + pw_buf->acct_ctrl = pdb_decode_acct_ctrl((char*)p); /* Must have some account type set. */ - if(pw_buf.acct_ctrl == 0) - pw_buf.acct_ctrl = ACB_NORMAL; + if(pw_buf->acct_ctrl == 0) + pw_buf->acct_ctrl = ACB_NORMAL; /* Now try and get the last change time. */ if(end_p) @@ -459,7 +473,7 @@ static struct smb_passwd *getsmbfilepwent(void *vp) * read into a time_t as the seconds since * 1970 that the password was last changed. */ - pw_buf.pass_last_set_time = (time_t)strtol((char *)p, NULL, 16); + pw_buf->pass_last_set_time = (time_t)strtol((char *)p, NULL, 16); } } } @@ -470,13 +484,13 @@ static struct smb_passwd *getsmbfilepwent(void *vp) * password file as 'normal accounts'. If this changes * we will have to fix this code. JRA. */ - if(pw_buf.smb_name[strlen(pw_buf.smb_name) - 1] == '$') { - pw_buf.acct_ctrl &= ~ACB_NORMAL; - pw_buf.acct_ctrl |= ACB_WSTRUST; + if(pw_buf->smb_name[strlen(pw_buf->smb_name) - 1] == '$') { + pw_buf->acct_ctrl &= ~ACB_NORMAL; + pw_buf->acct_ctrl |= ACB_WSTRUST; } } - return &pw_buf; + return pw_buf; } DEBUG(5,("getsmbfilepwent: end of file reached.\n")); @@ -547,9 +561,9 @@ static char *format_new_smbpasswd_entry(const struct smb_passwd *newpwd) Routine to add an entry to the smbpasswd file. *************************************************************************/ -static BOOL add_smbfilepwd_entry(const struct smb_passwd *newpwd) +static BOOL add_smbfilepwd_entry(struct smbpasswd_privates *smbpasswd_state, struct smb_passwd *newpwd) { - char *pfile = lp_smb_passwd_file(); + const char *pfile = smbpasswd_state->smbpasswd_file; struct smb_passwd *pwd = NULL; FILE *fp = NULL; int wr_len; @@ -557,13 +571,14 @@ static BOOL add_smbfilepwd_entry(const struct smb_passwd *newpwd) size_t new_entry_length; char *new_entry; SMB_OFF_T offpos; - + uint32 max_found_uid = 0; + /* Open the smbpassword file - for update. */ - fp = startsmbfilepwent(pfile, PWF_UPDATE, &pw_file_lock_depth); + fp = startsmbfilepwent(pfile, PWF_UPDATE, &(smbpasswd_state->pw_file_lock_depth)); if (fp == NULL && errno == ENOENT) { /* Try again - create. */ - fp = startsmbfilepwent(pfile, PWF_CREATE, &pw_file_lock_depth); + fp = startsmbfilepwent(pfile, PWF_CREATE, &(smbpasswd_state->pw_file_lock_depth)); } if (fp == NULL) { @@ -575,18 +590,45 @@ static BOOL add_smbfilepwd_entry(const struct smb_passwd *newpwd) * Scan the file, a line at a time and check if the name matches. */ - while ((pwd = getsmbfilepwent(fp)) != NULL) + while ((pwd = getsmbfilepwent(smbpasswd_state, fp)) != NULL) { if (strequal(newpwd->smb_name, pwd->smb_name)) { DEBUG(0, ("add_smbfilepwd_entry: entry with name %s already exists\n", pwd->smb_name)); - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); return False; } - } + + /* Look for a free uid for use in non-unix accounts */ + if (pwd->smb_userid > max_found_uid) { + max_found_uid = pwd->smb_userid; + } + } /* Ok - entry doesn't exist. We can add it */ + /* Account not in /etc/passwd hack!!! */ + if (!newpwd->smb_userid_set) { + if (!smbpasswd_state->permit_non_unix_accounts) { + DEBUG(0, ("add_smbfilepwd_entry: cannot add account %s without unix identity\n", pwd->smb_name)); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); + return False; + } + + if (max_found_uid < smbpasswd_state->low_nua_userid) { + newpwd->smb_userid = smbpasswd_state->low_nua_userid; + newpwd->smb_userid_set = True; + } else if (max_found_uid >= smbpasswd_state->high_nua_userid) { + DEBUG(0, ("add_smbfilepwd_entry: cannot add machine %s, no uids are free! \n", newpwd->smb_name)); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); + return False; + } else { + newpwd->smb_userid = max_found_uid + 1; + newpwd->smb_userid_set = True; + } + } + + /* Create a new smb passwd entry and set it to the given password. */ /* * The add user write needs to be atomic - so get the fd from @@ -598,7 +640,7 @@ static BOOL add_smbfilepwd_entry(const struct smb_passwd *newpwd) { DEBUG(0, ("add_smbfilepwd_entry(sys_lseek): Failed to add entry for user %s to file %s. \ Error was %s\n", newpwd->smb_name, pfile, strerror(errno))); - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); return False; } @@ -606,7 +648,7 @@ Error was %s\n", newpwd->smb_name, pfile, strerror(errno))); { DEBUG(0, ("add_smbfilepwd_entry(malloc): Failed to add entry for user %s to file %s. \ Error was %s\n", newpwd->smb_name, pfile, strerror(errno))); - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); return False; } @@ -630,13 +672,13 @@ Error was %s. Password file may be corrupt ! Please examine by hand !\n", newpwd->smb_name, strerror(errno))); } - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); free(new_entry); return False; } free(new_entry); - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); return True; } @@ -649,10 +691,10 @@ Error was %s. Password file may be corrupt ! Please examine by hand !\n", override = True, override XXXXXXXX'd out password or NO PASS ************************************************************************/ -static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) +static BOOL mod_smbfilepwd_entry(struct smbpasswd_privates *smbpasswd_state, const struct smb_passwd* pwd) { /* Static buffers we will return. */ - static pstring user_name; + char * user_name = smbpasswd_state->user_name; char linebuf[256]; char readbuf[1024]; @@ -663,7 +705,7 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) size_t linebuf_len = 0; FILE *fp; int lockfd; - char *pfile = lp_smb_passwd_file(); + const char *pfile = smbpasswd_state->smbpasswd_file; BOOL found_entry = False; BOOL got_pass_last_set_time = False; @@ -690,7 +732,7 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) lockfd = fileno(fp); - if (!pw_file_lock(lockfd, F_WRLCK, 5, &pw_file_lock_depth)) { + if (!pw_file_lock(lockfd, F_WRLCK, 5, &(smbpasswd_state->pw_file_lock_depth))) { DEBUG(0, ("mod_smbfilepwd_entry: unable to lock file %s\n", pfile)); fclose(fp); return False; @@ -710,7 +752,7 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) fgets(linebuf, sizeof(linebuf), fp); if (ferror(fp)) { - pw_file_unlock(lockfd, &pw_file_lock_depth); + pw_file_unlock(lockfd, &(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } @@ -779,7 +821,7 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) } if (!found_entry) { - pw_file_unlock(lockfd, &pw_file_lock_depth); + pw_file_unlock(lockfd, &(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } @@ -791,7 +833,7 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) if (!isdigit(*p)) { DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (uid not number)\n")); - pw_file_unlock(lockfd, &pw_file_lock_depth); + pw_file_unlock(lockfd, &(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } @@ -800,7 +842,7 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) p++; if (*p != ':') { DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (no : after uid)\n")); - pw_file_unlock(lockfd, &pw_file_lock_depth); + pw_file_unlock(lockfd, &(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } @@ -815,30 +857,16 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) /* Record exact password position */ pwd_seekpos += PTR_DIFF(p, linebuf); - if (!override && (*p == '*' || *p == 'X')) { - /* Password deliberately invalid - end here. */ - DEBUG(10, ("mod_smbfilepwd_entry: entry invalidated for user %s\n", user_name)); - pw_file_unlock(lockfd, &pw_file_lock_depth); - fclose(fp); - return False; - } - if (linebuf_len < (PTR_DIFF(p, linebuf) + 33)) { DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (passwd too short)\n")); - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return (False); } if (p[32] != ':') { DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (no terminating :)\n")); - pw_file_unlock(lockfd,&pw_file_lock_depth); - fclose(fp); - return False; - } - - if (!override && (*p == '*' || *p == 'X')) { - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } @@ -849,14 +877,14 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) the lanman password. */ if (linebuf_len < (PTR_DIFF(p, linebuf) + 33)) { DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (passwd too short)\n")); - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return (False); } if (p[32] != ':') { DEBUG(0, ("mod_smbfilepwd_entry: malformed password entry (no terminating :)\n")); - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } @@ -966,7 +994,7 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) if(wr_len > sizeof(linebuf)) { DEBUG(0, ("mod_smbfilepwd_entry: line to write (%d) is too long.\n", wr_len+1)); - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return (False); } @@ -984,7 +1012,7 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) if (sys_lseek(fd, pwd_seekpos - 1, SEEK_SET) != pwd_seekpos - 1) { DEBUG(0, ("mod_smbfilepwd_entry: seek fail on file %s.\n", pfile)); - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } @@ -992,33 +1020,33 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) /* Sanity check - ensure the areas we are writing are framed by ':' */ if (read(fd, linebuf, wr_len+1) != wr_len+1) { DEBUG(0, ("mod_smbfilepwd_entry: read fail on file %s.\n", pfile)); - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } if ((linebuf[0] != ':') || (linebuf[wr_len] != ':')) { DEBUG(0, ("mod_smbfilepwd_entry: check on passwd file %s failed.\n", pfile)); - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } if (sys_lseek(fd, pwd_seekpos, SEEK_SET) != pwd_seekpos) { DEBUG(0, ("mod_smbfilepwd_entry: seek fail on file %s.\n", pfile)); - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } if (write(fd, ascii_p16, wr_len) != wr_len) { DEBUG(0, ("mod_smbfilepwd_entry: write failed in passwd file %s\n", pfile)); - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return False; } - pw_file_unlock(lockfd,&pw_file_lock_depth); + pw_file_unlock(lockfd,&(smbpasswd_state->pw_file_lock_depth)); fclose(fp); return True; } @@ -1027,9 +1055,9 @@ static BOOL mod_smbfilepwd_entry(const struct smb_passwd* pwd, BOOL override) Routine to delete an entry in the smbpasswd file by name. *************************************************************************/ -static BOOL del_smbfilepwd_entry(const char *name) +static BOOL del_smbfilepwd_entry(struct smbpasswd_privates *smbpasswd_state, const char *name) { - char *pfile = lp_smb_passwd_file(); + const char *pfile = smbpasswd_state->smbpasswd_file; pstring pfile2; struct smb_passwd *pwd = NULL; FILE *fp = NULL; @@ -1044,7 +1072,7 @@ static BOOL del_smbfilepwd_entry(const char *name) * it. */ - if((fp = startsmbfilepwent(pfile, PWF_UPDATE, &pw_file_lock_depth)) == NULL) { + if((fp = startsmbfilepwent(pfile, PWF_UPDATE, &(smbpasswd_state->pw_file_lock_depth))) == NULL) { DEBUG(0, ("del_smbfilepwd_entry: unable to open file %s.\n", pfile)); return False; } @@ -1054,7 +1082,7 @@ static BOOL del_smbfilepwd_entry(const char *name) */ if((fp_write = startsmbfilepwent(pfile2, PWF_CREATE, &pfile2_lockdepth)) == NULL) { DEBUG(0, ("del_smbfilepwd_entry: unable to open file %s.\n", pfile)); - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); return False; } @@ -1062,7 +1090,7 @@ static BOOL del_smbfilepwd_entry(const char *name) * Scan the file, a line at a time and check if the name matches. */ - while ((pwd = getsmbfilepwent(fp)) != NULL) { + while ((pwd = getsmbfilepwent(smbpasswd_state, fp)) != NULL) { char *new_entry; size_t new_entry_length; @@ -1080,7 +1108,7 @@ static BOOL del_smbfilepwd_entry(const char *name) DEBUG(0, ("del_smbfilepwd_entry(malloc): Failed to copy entry for user %s to file %s. \ Error was %s\n", pwd->smb_name, pfile2, strerror(errno))); unlink(pfile2); - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); endsmbfilepwent(fp_write, &pfile2_lockdepth); return False; } @@ -1092,7 +1120,7 @@ Error was %s\n", pwd->smb_name, pfile2, strerror(errno))); DEBUG(0, ("del_smbfilepwd_entry(write): Failed to copy entry for user %s to file %s. \ Error was %s\n", pwd->smb_name, pfile2, strerror(errno))); unlink(pfile2); - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); endsmbfilepwent(fp_write, &pfile2_lockdepth); free(new_entry); return False; @@ -1108,7 +1136,7 @@ Error was %s\n", pwd->smb_name, pfile2, strerror(errno))); if(fflush(fp_write) != 0) { DEBUG(0, ("del_smbfilepwd_entry: Failed to flush file %s. Error was %s\n", pfile2, strerror(errno))); - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); endsmbfilepwent(fp_write,&pfile2_lockdepth); return False; } @@ -1121,7 +1149,7 @@ Error was %s\n", pwd->smb_name, pfile2, strerror(errno))); unlink(pfile2); } - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); endsmbfilepwent(fp_write,&pfile2_lockdepth); return True; } @@ -1134,21 +1162,27 @@ Error was %s\n", pwd->smb_name, pfile2, strerror(errno))); static BOOL build_smb_pass (struct smb_passwd *smb_pw, const SAM_ACCOUNT *sampass) { uid_t uid; - gid_t gid; if (sampass == NULL) return False; - uid = pdb_get_uid(sampass); - gid = pdb_get_gid(sampass); - if (!IS_SAM_UNIX_USER(sampass)) { - DEBUG(0,("build_sam_pass: Failing attempt to store user without a UNIX uid or gid. \n")); - return False; - } + ZERO_STRUCTP(smb_pw); + + if (!IS_SAM_UNIX_USER(sampass)) { + smb_pw->smb_userid_set = False; + DEBUG(5,("build_sam_pass: storing user without a UNIX uid or gid. \n")); + } else { + smb_pw->smb_userid_set = True; + uid = pdb_get_uid(sampass); - ZERO_STRUCTP(smb_pw); + if (uid != pdb_user_rid_to_uid(pdb_get_user_rid(sampass))) { + DEBUG(0,("build_sam_pass: Failing attempt to store user with non-uid based user RID. \n")); + return False; + } + + smb_pw->smb_userid=uid; + } - smb_pw->smb_userid=uid; smb_pw->smb_name=(const char*)pdb_get_username(sampass); smb_pw->smb_passwd=pdb_get_lanman_passwd(sampass); @@ -1157,11 +1191,6 @@ static BOOL build_smb_pass (struct smb_passwd *smb_pw, const SAM_ACCOUNT *sampas smb_pw->acct_ctrl=pdb_get_acct_ctrl(sampass); smb_pw->pass_last_set_time=pdb_get_pass_last_set_time(sampass); - if (uid != pdb_user_rid_to_uid(pdb_get_user_rid(sampass))) { - DEBUG(0,("build_sam_pass: Failing attempt to store user with non-uid based user RID. \n")); - return False; - } - #if 0 /* * ifdef'out by JFM on 11/29/2001. @@ -1187,7 +1216,7 @@ static BOOL build_smb_pass (struct smb_passwd *smb_pw, const SAM_ACCOUNT *sampas /********************************************************************* Create a SAM_ACCOUNT from a smb_passwd struct ********************************************************************/ -static BOOL build_sam_account(SAM_ACCOUNT *sam_pass, const struct smb_passwd *pw_buf) +static BOOL build_sam_account(struct smbpasswd_privates *smbpasswd_state, SAM_ACCOUNT *sam_pass, const struct smb_passwd *pw_buf) { struct passwd *pwfile; @@ -1196,34 +1225,76 @@ static BOOL build_sam_account(SAM_ACCOUNT *sam_pass, const struct smb_passwd *pw return False; } - /* Verify in system password file... - FIXME!!! This is where we should look up an internal - mapping of allocated uid for machine accounts as well - --jerry */ - pwfile = getpwnam_alloc(pw_buf->smb_name); - if (pwfile == NULL) { - DEBUG(0,("build_sam_account: smbpasswd database is corrupt! username %s not in unix passwd database!\n", pw_buf->smb_name)); - return False; - } - - pdb_set_uid (sam_pass, pwfile->pw_uid); - pdb_set_gid (sam_pass, pwfile->pw_gid); + if ((smbpasswd_state->permit_non_unix_accounts) + && (pw_buf->smb_userid >= smbpasswd_state->low_nua_userid) + && (pw_buf->smb_userid <= smbpasswd_state->high_nua_userid)) { + + pdb_set_user_rid(sam_pass, pdb_uid_to_user_rid (pw_buf->smb_userid)); + + /* lkclXXXX this is OBSERVED behaviour by NT PDCs, enforced here. + + This was down the bottom for machines, but it looks pretty good as + a general default for non-unix users. --abartlet 2002-01-08 + */ + pdb_set_group_rid (sam_pass, DOMAIN_GROUP_RID_USERS); - pdb_set_fullname(sam_pass, pwfile->pw_gecos); - - pdb_set_user_rid(sam_pass, pdb_uid_to_user_rid (pwfile->pw_uid)); + } else { - { - uint32 rid; + uint32 grid; GROUP_MAP map; + /* Verify in system password file... + FIXME!!! This is where we should look up an internal + mapping of allocated uid for machine accounts as well + --jerry */ + pwfile = getpwnam_alloc(pw_buf->smb_name); + if (pwfile == NULL) { + DEBUG(0,("build_sam_account: smbpasswd database is corrupt! username %s not in unix passwd database!\n", pw_buf->smb_name)); + return False; + } + + pdb_set_uid (sam_pass, pwfile->pw_uid); + pdb_set_gid (sam_pass, pwfile->pw_gid); + + pdb_set_fullname(sam_pass, pwfile->pw_gecos); + + pdb_set_user_rid(sam_pass, pdb_uid_to_user_rid (pwfile->pw_uid)); + if (get_group_map_from_gid(pwfile->pw_gid, &map, MAPPING_WITHOUT_PRIV)) { - sid_peek_rid(&map.sid, &rid); + sid_peek_rid(&map.sid, &grid); + } else { + grid=pdb_gid_to_group_rid(pwfile->pw_gid); } - else - rid=pdb_gid_to_group_rid(pwfile->pw_gid); - pdb_set_group_rid(sam_pass, rid); + pdb_set_group_rid(sam_pass, grid); + + /* check if this is a user account or a machine account */ + if (pw_buf->smb_name[strlen(pw_buf->smb_name)-1] != '$') + { + pstring str; + + pstrcpy(str, lp_logon_path()); + standard_sub_advanced(-1, pwfile->pw_name, "", pwfile->pw_gid, pw_buf->smb_name, str); + pdb_set_profile_path(sam_pass, str, False); + + pstrcpy(str, lp_logon_home()); + standard_sub_advanced(-1, pwfile->pw_name, "", pwfile->pw_gid, pw_buf->smb_name, str); + pdb_set_homedir(sam_pass, str, False); + + pstrcpy(str, lp_logon_drive()); + standard_sub_advanced(-1, pwfile->pw_name, "", pwfile->pw_gid, pw_buf->smb_name, str); + pdb_set_dir_drive(sam_pass, str, False); + + pstrcpy(str, lp_logon_script()); + standard_sub_advanced(-1, pwfile->pw_name, "", pwfile->pw_gid, pw_buf->smb_name, str); + pdb_set_logon_script(sam_pass, str, False); + + } else { + /* lkclXXXX this is OBSERVED behaviour by NT PDCs, enforced here. */ + /*pdb_set_group_rid (sam_pass, DOMAIN_GROUP_RID_USERS); */ + } + + passwd_free(&pwfile); } pdb_set_username (sam_pass, pw_buf->smb_name); @@ -1243,84 +1314,61 @@ static BOOL build_sam_account(SAM_ACCOUNT *sam_pass, const struct smb_passwd *pw */ pdb_set_pass_must_change_time (sam_pass, pw_buf->pass_last_set_time + MAX_PASSWORD_AGE); #endif - /* check if this is a user account or a machine account */ - if (pw_buf->smb_name[strlen(pw_buf->smb_name)-1] != '$') - { - pstring str; - - pstrcpy(str, lp_logon_path()); - standard_sub_advanced(-1, pwfile->pw_name, "", pwfile->pw_gid, pw_buf->smb_name, str); - pdb_set_profile_path(sam_pass, str, False); - - pstrcpy(str, lp_logon_home()); - standard_sub_advanced(-1, pwfile->pw_name, "", pwfile->pw_gid, pw_buf->smb_name, str); - pdb_set_homedir(sam_pass, str, False); - - pstrcpy(str, lp_logon_drive()); - standard_sub_advanced(-1, pwfile->pw_name, "", pwfile->pw_gid, pw_buf->smb_name, str); - pdb_set_dir_drive(sam_pass, str, False); - - pstrcpy(str, lp_logon_script()); - standard_sub_advanced(-1, pwfile->pw_name, "", pwfile->pw_gid, pw_buf->smb_name, str); - pdb_set_logon_script(sam_pass, str, False); - - } else { - /* lkclXXXX this is OBSERVED behaviour by NT PDCs, enforced here. */ - /*pdb_set_group_rid (sam_pass, DOMAIN_GROUP_RID_USERS); */ - } - - passwd_free(&pwfile); - return True; } + /***************************************************************** Functions to be implemented by the new passdb API ****************************************************************/ -BOOL pdb_setsampwent (BOOL update) +static BOOL smbpasswd_setsampwent (struct pdb_context *context, BOOL update) { - global_vp = startsmbfilepwent(lp_smb_passwd_file(), - update ? PWF_UPDATE : PWF_READ, - &pw_file_lock_depth); + struct smbpasswd_privates *smbpasswd_state = (struct smbpasswd_privates*)context->pdb_selected->private_data; + + smbpasswd_state->pw_file = startsmbfilepwent(smbpasswd_state->smbpasswd_file, + update ? PWF_UPDATE : PWF_READ, + &(smbpasswd_state->pw_file_lock_depth)); /* did we fail? Should we try to create it? */ - if (!global_vp && update && errno == ENOENT) + if (!smbpasswd_state->pw_file && update && errno == ENOENT) { FILE *fp; /* slprintf(msg_str,msg_str_len-1, - "smbpasswd file did not exist - attempting to create it.\n"); */ + "smbpasswd file did not exist - attempting to create it.\n"); */ DEBUG(0,("smbpasswd file did not exist - attempting to create it.\n")); - fp = sys_fopen(lp_smb_passwd_file(), "w"); + fp = sys_fopen(smbpasswd_state->smbpasswd_file, "w"); if (fp) { fprintf(fp, "# Samba SMB password file\n"); fclose(fp); } - global_vp = startsmbfilepwent(lp_smb_passwd_file(), - update ? PWF_UPDATE : PWF_READ, - &pw_file_lock_depth); + smbpasswd_state->pw_file = startsmbfilepwent(smbpasswd_state->smbpasswd_file, + update ? PWF_UPDATE : PWF_READ, + &(smbpasswd_state->pw_file_lock_depth)); } - return (global_vp != NULL); + return (smbpasswd_state->pw_file != NULL); } -void pdb_endsampwent (void) +static void smbpasswd_endsampwent (struct pdb_context *context) { - endsmbfilepwent(global_vp, &pw_file_lock_depth); + struct smbpasswd_privates *smbpasswd_state = (struct smbpasswd_privates*)context->pdb_selected->private_data; + endsmbfilepwent(smbpasswd_state->pw_file, &(smbpasswd_state->pw_file_lock_depth)); } /***************************************************************** ****************************************************************/ -BOOL pdb_getsampwent(SAM_ACCOUNT *user) +static BOOL smbpasswd_getsampwent(struct pdb_context *context, SAM_ACCOUNT *user) { + struct smbpasswd_privates *smbpasswd_state = (struct smbpasswd_privates*)context->pdb_selected->private_data; struct smb_passwd *pw_buf=NULL; BOOL done = False; DEBUG(5,("pdb_getsampwent\n")); if (user==NULL) { - DEBUG(5,("pdb_getsampwent: user is NULL\n")); + DEBUG(5,("pdb_getsampwent (smbpasswd): user is NULL\n")); #if 0 - smb_panic("NULL pointer passed to pdb_getsampwent\n"); + smb_panic("NULL pointer passed to getsampwent (smbpasswd)\n"); #endif return False; } @@ -1328,18 +1376,18 @@ BOOL pdb_getsampwent(SAM_ACCOUNT *user) while (!done) { /* do we have an entry? */ - pw_buf = getsmbfilepwent(global_vp); + pw_buf = getsmbfilepwent(smbpasswd_state, smbpasswd_state->pw_file); if (pw_buf == NULL) return False; /* build the SAM_ACCOUNT entry from the smb_passwd struct. We loop in case the user in the pdb does not exist in the local system password file */ - if (build_sam_account(user, pw_buf)) + if (build_sam_account(smbpasswd_state, user, pw_buf)) done = True; } - DEBUG(5,("pdb_getsampwent:done\n")); + DEBUG(5,("getsampwent (smbpasswd): done\n")); /* success */ return True; @@ -1351,15 +1399,16 @@ BOOL pdb_getsampwent(SAM_ACCOUNT *user) call getpwnam() for unix account information until we have found the correct entry ***************************************************************/ -BOOL pdb_getsampwnam(SAM_ACCOUNT *sam_acct, const char *username) +static BOOL smbpasswd_getsampwnam(struct pdb_context *context, SAM_ACCOUNT *sam_acct, const char *username) { + struct smbpasswd_privates *smbpasswd_state = (struct smbpasswd_privates*)context->pdb_selected->private_data; struct smb_passwd *smb_pw; void *fp = NULL; char *domain = NULL; char *user = NULL; fstring name; - DEBUG(10, ("pdb_getsampwnam: search by name: %s\n", username)); + DEBUG(10, ("getsampwnam (smbpasswd): search by name: %s\n", username)); /* break the username from the domain if we have @@ -1379,7 +1428,7 @@ BOOL pdb_getsampwnam(SAM_ACCOUNT *sam_acct, const char *username) /* startsmbfilepwent() is used here as we don't want to lookup the UNIX account in the local system password file until we have a match. */ - fp = startsmbfilepwent(lp_smb_passwd_file(), PWF_READ, &pw_file_lock_depth); + fp = startsmbfilepwent(smbpasswd_state->smbpasswd_file, PWF_READ, &(smbpasswd_state->pw_file_lock_depth)); if (fp == NULL) { DEBUG(0, ("unable to open passdb database.\n")); @@ -1391,20 +1440,20 @@ BOOL pdb_getsampwnam(SAM_ACCOUNT *sam_acct, const char *username) if ( domain ) map_username(user); - while ( ((smb_pw=getsmbfilepwent(fp)) != NULL)&& (!strequal(smb_pw->smb_name, username)) ) + while ( ((smb_pw=getsmbfilepwent(smbpasswd_state, fp)) != NULL)&& (!strequal(smb_pw->smb_name, username)) ) /* do nothing....another loop */ ; - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); /* did we locate the username in smbpasswd */ if (smb_pw == NULL) return False; - DEBUG(10, ("pdb_getsampwnam: found by name: %s\n", smb_pw->smb_name)); + DEBUG(10, ("getsampwnam (smbpasswd): found by name: %s\n", smb_pw->smb_name)); if (!sam_acct) { - DEBUG(10,("pdb_getsampwnam:SAM_ACCOUNT is NULL\n")); + DEBUG(10,("getsampwnam (smbpasswd): SAM_ACCOUNT is NULL\n")); #if 0 smb_panic("NULL pointer passed to pdb_getsampwnam\n"); #endif @@ -1412,7 +1461,7 @@ BOOL pdb_getsampwnam(SAM_ACCOUNT *sam_acct, const char *username) } /* now build the SAM_ACCOUNT */ - if (!build_sam_account(sam_acct, smb_pw)) + if (!build_sam_account(smbpasswd_state, sam_acct, smb_pw)) return False; /* success */ @@ -1420,35 +1469,36 @@ BOOL pdb_getsampwnam(SAM_ACCOUNT *sam_acct, const char *username) } -BOOL pdb_getsampwrid(SAM_ACCOUNT *sam_acct,uint32 rid) +static BOOL smbpasswd_getsampwrid(struct pdb_context *context, SAM_ACCOUNT *sam_acct,uint32 rid) { + struct smbpasswd_privates *smbpasswd_state = (struct smbpasswd_privates*)context->pdb_selected->private_data; struct smb_passwd *smb_pw; void *fp = NULL; DEBUG(10, ("pdb_getsampwrid: search by rid: %d\n", rid)); /* Open the sam password file - not for update. */ - fp = startsmbfilepwent(lp_smb_passwd_file(), PWF_READ, &pw_file_lock_depth); + fp = startsmbfilepwent(smbpasswd_state->smbpasswd_file, PWF_READ, &(smbpasswd_state->pw_file_lock_depth)); if (fp == NULL) { DEBUG(0, ("unable to open passdb database.\n")); return False; } - while ( ((smb_pw=getsmbfilepwent(fp)) != NULL) && (pdb_uid_to_user_rid(smb_pw->smb_userid) != rid) ) + while ( ((smb_pw=getsmbfilepwent(smbpasswd_state, fp)) != NULL) && (pdb_uid_to_user_rid(smb_pw->smb_userid) != rid) ) /* do nothing */ ; - endsmbfilepwent(fp, &pw_file_lock_depth); + endsmbfilepwent(fp, &(smbpasswd_state->pw_file_lock_depth)); /* did we locate the username in smbpasswd */ if (smb_pw == NULL) return False; - DEBUG(10, ("pdb_getsampwrid: found by name: %s\n", smb_pw->smb_name)); + DEBUG(10, ("getsampwrid (smbpasswd): found by name: %s\n", smb_pw->smb_name)); if (!sam_acct) { - DEBUG(10,("pdb_getsampwrid:SAM_ACCOUNT is NULL\n")); + DEBUG(10,("getsampwrid: (smbpasswd) SAM_ACCOUNT is NULL\n")); #if 0 smb_panic("NULL pointer passed to pdb_getsampwrid\n"); #endif @@ -1456,15 +1506,16 @@ BOOL pdb_getsampwrid(SAM_ACCOUNT *sam_acct,uint32 rid) } /* now build the SAM_ACCOUNT */ - if (!build_sam_account (sam_acct, smb_pw)) + if (!build_sam_account (smbpasswd_state, sam_acct, smb_pw)) return False; /* success */ return True; } -BOOL pdb_add_sam_account(const SAM_ACCOUNT *sampass) +static BOOL smbpasswd_add_sam_account(struct pdb_context *context, const SAM_ACCOUNT *sampass) { + struct smbpasswd_privates *smbpasswd_state = (struct smbpasswd_privates*)context->pdb_selected->private_data; struct smb_passwd smb_pw; /* convert the SAM_ACCOUNT */ @@ -1473,15 +1524,16 @@ BOOL pdb_add_sam_account(const SAM_ACCOUNT *sampass) } /* add the entry */ - if(!add_smbfilepwd_entry(&smb_pw)) { + if(!add_smbfilepwd_entry(smbpasswd_state, &smb_pw)) { return False; } - + return True; } -BOOL pdb_update_sam_account(const SAM_ACCOUNT *sampass, BOOL override) +static BOOL smbpasswd_update_sam_account(struct pdb_context *context, const SAM_ACCOUNT *sampass) { + struct smbpasswd_privates *smbpasswd_state = (struct smbpasswd_privates*)context->pdb_selected->private_data; struct smb_passwd smb_pw; /* convert the SAM_ACCOUNT */ @@ -1489,19 +1541,97 @@ BOOL pdb_update_sam_account(const SAM_ACCOUNT *sampass, BOOL override) return False; /* update the entry */ - if(!mod_smbfilepwd_entry(&smb_pw, override)) + if(!mod_smbfilepwd_entry(smbpasswd_state, &smb_pw)) return False; return True; } -BOOL pdb_delete_sam_account (const char* username) +static BOOL smbpasswd_delete_sam_account (struct pdb_context *context, const SAM_ACCOUNT *sampass) { - return del_smbfilepwd_entry(username); + struct smbpasswd_privates *smbpasswd_state = (struct smbpasswd_privates*)context->pdb_selected->private_data; + + const char *username = pdb_get_username(sampass); + + return del_smbfilepwd_entry(smbpasswd_state, username); +} + +static void free_private_data(void **vp) +{ + struct smbpasswd_privates **privates = (struct smbpasswd_privates**)vp; + + endsmbfilepwent((*privates)->pw_file, &((*privates)->pw_file_lock_depth)); + + *privates = NULL; + /* No need to free any further, as it is talloc()ed */ } -#else - /* Do *NOT* make this function static. It breaks the compile on gcc. JRA */ - void smbpass_dummy_function(void) { } /* stop some compilers complaining */ -#endif /* WTH_SMBPASSWD_SAM*/ +NTSTATUS pdb_init_smbpasswd(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + NTSTATUS nt_status; + struct smbpasswd_privates *privates; + + if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) { + return nt_status; + } + + (*pdb_method)->setsampwent = smbpasswd_setsampwent; + (*pdb_method)->endsampwent = smbpasswd_endsampwent; + (*pdb_method)->getsampwent = smbpasswd_getsampwent; + (*pdb_method)->getsampwnam = smbpasswd_getsampwnam; + (*pdb_method)->getsampwrid = smbpasswd_getsampwrid; + (*pdb_method)->add_sam_account = smbpasswd_add_sam_account; + (*pdb_method)->update_sam_account = smbpasswd_update_sam_account; + (*pdb_method)->delete_sam_account = smbpasswd_delete_sam_account; + + /* Setup private data and free function */ + + privates = talloc_zero(pdb_context->mem_ctx, sizeof(struct smbpasswd_privates)); + + if (!privates) { + DEBUG(0, ("talloc() failed for smbpasswd private_data!\n")); + return NT_STATUS_NO_MEMORY; + } + + /* Store some config details */ + + if (location) { + privates->smbpasswd_file = talloc_strdup(pdb_context->mem_ctx, location); + } else { + privates->smbpasswd_file = talloc_strdup(pdb_context->mem_ctx, lp_smb_passwd_file()); + } + + if (!privates->smbpasswd_file) { + DEBUG(0, ("talloc_strdp() failed for storing smbpasswd location!\n")); + return NT_STATUS_NO_MEMORY; + } + + (*pdb_method)->private_data = privates; + + + (*pdb_method)->free_private_data = free_private_data; + + return NT_STATUS_OK; +} + +NTSTATUS pdb_init_smbpasswd_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + NTSTATUS nt_status; + struct smbpasswd_privates *privates; + + if (!NT_STATUS_IS_OK(nt_status = pdb_init_smbpasswd(pdb_context, pdb_method, location))) { + return nt_status; + } + + privates = (*pdb_method)->private_data; + + privates->permit_non_unix_accounts = True; + + if (!lp_non_unix_account_range(&privates->low_nua_userid, &privates->high_nua_userid)) { + DEBUG(0, ("cannot use smbpasswd_nua without 'non unix account range' in smb.conf!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + return NT_STATUS_OK; +} diff --git a/source3/passdb/pdb_tdb.c b/source3/passdb/pdb_tdb.c index b33e684c7a..0e0bf541e3 100644 --- a/source3/passdb/pdb_tdb.c +++ b/source3/passdb/pdb_tdb.c @@ -4,6 +4,7 @@ * Copyright (C) Simo Sorce 2000 * Copyright (C) Gerald Carter 2000 * Copyright (C) Jeremy Allison 2001 + * Copyright (C) Andrew Bartlett 2002 * * 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 @@ -30,21 +31,25 @@ #define USERPREFIX "USER_" #define RIDPREFIX "RID_" -extern int DEBUGLEVEL; - -struct tdb_enum_info { +struct tdbsam_privates { TDB_CONTEXT *passwd_tdb; TDB_DATA key; -}; -static struct tdb_enum_info global_tdb_ent; -/*static SAM_ACCOUNT global_sam_pass;*/ + /* retrive-once info */ + const char *tdbsam_location; + + BOOL permit_non_unix_accounts; + + uint32 low_nua_rid; + uint32 high_nua_rid; +}; /********************************************************************** Intialize a SAM_ACCOUNT struct from a BYTE buffer of size len *********************************************************************/ -static BOOL init_sam_from_buffer (SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen) +static BOOL init_sam_from_buffer (struct tdbsam_privates *tdb_state, + SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen) { /* times are stored as 32bit integer @@ -150,8 +155,6 @@ static BOOL init_sam_from_buffer (SAM_ACCOUNT *sampass, uint8 *buf, uint32 bufle goto done; } - /*pdb_set_uid(sampass, uid); - pdb_set_gid(sampass, gid);*/ pdb_set_user_rid(sampass, user_rid); pdb_set_group_rid(sampass, group_rid); pdb_set_unknown_3(sampass, unknown_3); @@ -162,6 +165,28 @@ static BOOL init_sam_from_buffer (SAM_ACCOUNT *sampass, uint8 *buf, uint32 bufle pdb_set_logon_divs(sampass, logon_divs); pdb_set_hours(sampass, hours); + if ((tdb_state->permit_non_unix_accounts) + && (pdb_get_user_rid(sampass) >= tdb_state->low_nua_rid) + && (pdb_get_user_rid(sampass) <= tdb_state->high_nua_rid)) { + + } else { + struct passwd *pw; + /* validate the account and fill in UNIX uid and gid. sys_getpwnam() + is used instaed of Get_Pwnam() as we do not need to try case + permutations */ + + if ((pw=getpwnam_alloc(pdb_get_username(sampass))) == NULL) { + DEBUG(0,("init_sam_from_buffer: (tdbsam) getpwnam(%s) return NULL. User does not exist!\n", + pdb_get_username(sampass))); + return False; + } + + pdb_set_uid(sampass, pw->pw_uid); + pdb_set_gid(sampass, pw->pw_gid); + + passwd_free(&pw); + } + done: SAFE_FREE(username); @@ -182,7 +207,8 @@ done: /********************************************************************** Intialize a BYTE buffer from a SAM_ACCOUNT struct *********************************************************************/ -static uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass) +static uint32 init_buffer_from_sam (struct tdbsam_privates *tdb_state, uint8 **buf, + const SAM_ACCOUNT *sampass, uint32 user_rid, uint32 group_rid) { size_t len, buflen; @@ -321,8 +347,8 @@ static uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass) workstations_len, workstations, unknown_str_len, unknown_str, munged_dial_len, munged_dial, - pdb_get_user_rid(sampass), - pdb_get_group_rid(sampass), + user_rid, + group_rid, lm_pw_len, lm_pw, nt_pw_len, nt_pw, pdb_get_acct_ctrl(sampass), @@ -360,8 +386,8 @@ static uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass) workstations_len, workstations, unknown_str_len, unknown_str, munged_dial_len, munged_dial, - pdb_get_user_rid(sampass), - pdb_get_group_rid(sampass), + user_rid, + group_rid, lm_pw_len, lm_pw, nt_pw_len, nt_pw, pdb_get_acct_ctrl(sampass), @@ -375,6 +401,8 @@ static uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass) /* check to make sure we got it correct */ if (buflen != len) { + DEBUG(0, ("init_buffer_from_sam: somthing odd is going on here: bufflen (%d) != len (%d) in tdb_pack operations!\n", + buflen, len)); /* error */ SAFE_FREE (*buf); return (-1); @@ -387,35 +415,38 @@ static uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass) Open the TDB passwd database for SAM account enumeration. ****************************************************************/ -BOOL pdb_setsampwent(BOOL update) +static BOOL tdbsam_setsampwent(struct pdb_context *context, BOOL update) { - pstring tdbfile; - - get_private_directory(tdbfile); - pstrcat (tdbfile, PASSDB_FILE_NAME); + struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data; /* Open tdb passwd */ - if (!(global_tdb_ent.passwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, update?(O_RDWR|O_CREAT):O_RDONLY, 0600))) + if (!(tdb_state->passwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, update?(O_RDWR|O_CREAT):O_RDONLY, 0600))) { DEBUG(0, ("Unable to open/create TDB passwd\n")); return False; } - global_tdb_ent.key = tdb_firstkey(global_tdb_ent.passwd_tdb); + tdb_state->key = tdb_firstkey(tdb_state->passwd_tdb); return True; } +static void close_tdb(struct tdbsam_privates *tdb_state) +{ + if (tdb_state->passwd_tdb) { + tdb_close(tdb_state->passwd_tdb); + tdb_state->passwd_tdb = NULL; + } +} + /*************************************************************** End enumeration of the TDB passwd list. ****************************************************************/ -void pdb_endsampwent(void) +static void tdbsam_endsampwent(struct pdb_context *context) { - if (global_tdb_ent.passwd_tdb) { - tdb_close(global_tdb_ent.passwd_tdb); - global_tdb_ent.passwd_tdb = NULL; - } + struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data; + close_tdb(tdb_state); DEBUG(7, ("endtdbpwent: closed sam database.\n")); } @@ -424,17 +455,13 @@ void pdb_endsampwent(void) Get one SAM_ACCOUNT from the TDB (next in line) *****************************************************************/ -BOOL pdb_getsampwent(SAM_ACCOUNT *user) +static BOOL tdbsam_getsampwent(struct pdb_context *context, SAM_ACCOUNT *user) { + struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data; TDB_DATA data; - struct passwd *pw; - uid_t uid; - gid_t gid; char *prefix = USERPREFIX; int prefixlen = strlen (prefix); - const char *sam_user; - pstring sam_subst; if (user==NULL) { DEBUG(0,("pdb_get_sampwent: SAM_ACCOUNT is NULL.\n")); @@ -442,62 +469,32 @@ BOOL pdb_getsampwent(SAM_ACCOUNT *user) } /* skip all non-USER entries (eg. RIDs) */ - while ((global_tdb_ent.key.dsize != 0) && (strncmp(global_tdb_ent.key.dptr, prefix, prefixlen))) + while ((tdb_state->key.dsize != 0) && (strncmp(tdb_state->key.dptr, prefix, prefixlen))) /* increment to next in line */ - global_tdb_ent.key = tdb_nextkey(global_tdb_ent.passwd_tdb, global_tdb_ent.key); + tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key); /* do we have an valid interation pointer? */ - if(global_tdb_ent.passwd_tdb == NULL) { + if(tdb_state->passwd_tdb == NULL) { DEBUG(0,("pdb_get_sampwent: Bad TDB Context pointer.\n")); return False; } - data = tdb_fetch(global_tdb_ent.passwd_tdb, global_tdb_ent.key); + data = tdb_fetch(tdb_state->passwd_tdb, tdb_state->key); if (!data.dptr) { DEBUG(5,("pdb_getsampwent: database entry not found.\n")); return False; } /* unpack the buffer */ - if (!init_sam_from_buffer(user, data.dptr, data.dsize)) { + if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) { DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n")); SAFE_FREE(data.dptr); return False; } SAFE_FREE(data.dptr); - /* validate the account and fill in UNIX uid and gid. sys_getpwnam() - is used instaed of Get_Pwnam() as we do not need to try case - permutations */ - if ((pw=getpwnam_alloc(pdb_get_username(user))) == NULL) { - DEBUG(0,("pdb_getsampwent: getpwnam(%s) return NULL. User does not exist!\n", - pdb_get_username(user))); - return False; - } - - uid = pw->pw_uid; - gid = pw->pw_gid; - pdb_set_uid(user, uid); - pdb_set_gid(user, gid); - - passwd_free(&pw); - - /* 21 days from present */ - pdb_set_pass_must_change_time(user, time(NULL)+1814400); - - sam_user = pdb_get_username(user); - pstrcpy(sam_subst, pdb_get_logon_script(user)); - standard_sub_advanced(-1, sam_user, "", gid, sam_user, sam_subst); - if (!pdb_set_logon_script(user, sam_subst, True)) return False; - pstrcpy(sam_subst, pdb_get_profile_path(user)); - standard_sub_advanced(-1, pdb_get_username(user), "", gid, pdb_get_username(user), sam_subst); - if (!pdb_set_profile_path(user, sam_subst, True)) return False; - pstrcpy(sam_subst, pdb_get_homedir(user)); - standard_sub_advanced(-1, pdb_get_username(user), "", gid, pdb_get_username(user), sam_subst); - if (!pdb_set_homedir(user, sam_subst, True)) return False; - /* increment to next in line */ - global_tdb_ent.key = tdb_nextkey(global_tdb_ent.passwd_tdb, global_tdb_ent.key); + tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key); return True; } @@ -506,19 +503,13 @@ BOOL pdb_getsampwent(SAM_ACCOUNT *user) Lookup a name in the SAM TDB ******************************************************************/ -BOOL pdb_getsampwnam (SAM_ACCOUNT *user, const char *sname) +static BOOL tdbsam_getsampwnam (struct pdb_context *context, SAM_ACCOUNT *user, const char *sname) { + struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data; TDB_CONTEXT *pwd_tdb; TDB_DATA data, key; fstring keystr; - struct passwd *pw; - pstring tdbfile; fstring name; - uid_t uid; - gid_t gid; - - const char *sam_user; - pstring sam_subst; if (user==NULL) { DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n")); @@ -528,17 +519,14 @@ BOOL pdb_getsampwnam (SAM_ACCOUNT *user, const char *sname) /* Data is stored in all lower-case */ unix_strlower(sname, -1, name, sizeof(name)); - get_private_directory(tdbfile); - pstrcat(tdbfile, PASSDB_FILE_NAME); - /* set search key */ slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); key.dptr = keystr; key.dsize = strlen(keystr) + 1; /* open the accounts TDB */ - if (!(pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDONLY, 0600))) { - DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd!\n")); + if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) { + DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location)); return False; } @@ -547,12 +535,13 @@ BOOL pdb_getsampwnam (SAM_ACCOUNT *user, const char *sname) if (!data.dptr) { DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n")); DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); + DEBUGADD(5, (" Key: %s\n", keystr)); tdb_close(pwd_tdb); return False; } /* unpack the buffer */ - if (!init_sam_from_buffer(user, data.dptr, data.dsize)) { + if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) { DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n")); SAFE_FREE(data.dptr); tdb_close(pwd_tdb); @@ -563,37 +552,6 @@ BOOL pdb_getsampwnam (SAM_ACCOUNT *user, const char *sname) /* no further use for database, close it now */ tdb_close(pwd_tdb); - /* validate the account and fill in UNIX uid and gid. sys_getpwnam() - is used instead of Get_Pwnam() as we do not need to try case - permutations */ - if ((pw=getpwnam_alloc(pdb_get_username(user)))) { - uid = pw->pw_uid; - gid = pw->pw_gid; - pdb_set_uid(user, uid); - pdb_set_gid(user, gid); - - /* 21 days from present */ - pdb_set_pass_must_change_time(user, time(NULL)+1814400); - - sam_user = pdb_get_username(user); - pstrcpy(sam_subst, pdb_get_logon_script(user)); - standard_sub_advanced(-1, sam_user, "", gid, sam_user, sam_subst); - if (!pdb_set_logon_script(user, sam_subst, True)) return False; - pstrcpy(sam_subst, pdb_get_profile_path(user)); - standard_sub_advanced(-1, pdb_get_username(user), "", gid, pdb_get_username(user), sam_subst); - if (!pdb_set_profile_path(user, sam_subst, True)) return False; - pstrcpy(sam_subst, pdb_get_homedir(user)); - standard_sub_advanced(-1, pdb_get_username(user), "", gid, pdb_get_username(user), sam_subst); - if (!pdb_set_homedir(user, sam_subst, True)) return False; - } - else { - DEBUG(0,("pdb_getsampwent: getpwnam(%s) return NULL. User does not exist!\n", - pdb_get_username(user))); - return False; - } - - passwd_free(&pw); - return True; } @@ -601,12 +559,12 @@ BOOL pdb_getsampwnam (SAM_ACCOUNT *user, const char *sname) Search by rid **************************************************************************/ -BOOL pdb_getsampwrid (SAM_ACCOUNT *user, uint32 rid) +static BOOL tdbsam_getsampwrid (struct pdb_context *context, SAM_ACCOUNT *user, uint32 rid) { + struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data; TDB_CONTEXT *pwd_tdb; TDB_DATA data, key; fstring keystr; - pstring tdbfile; fstring name; if (user==NULL) { @@ -614,16 +572,13 @@ BOOL pdb_getsampwrid (SAM_ACCOUNT *user, uint32 rid) return False; } - get_private_directory(tdbfile); - pstrcat (tdbfile, PASSDB_FILE_NAME); - /* set search key */ slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid); key.dptr = keystr; key.dsize = strlen (keystr) + 1; /* open the accounts TDB */ - if (!(pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDONLY, 0600))) { + if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) { DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n")); return False; } @@ -642,30 +597,26 @@ BOOL pdb_getsampwrid (SAM_ACCOUNT *user, uint32 rid) tdb_close (pwd_tdb); - return pdb_getsampwnam (user, name); + return tdbsam_getsampwnam (context, user, name); } /*************************************************************************** Delete a SAM_ACCOUNT ****************************************************************************/ -BOOL pdb_delete_sam_account(const char *sname) +static BOOL tdbsam_delete_sam_account(struct pdb_context *context, const SAM_ACCOUNT *sam_pass) { - SAM_ACCOUNT *sam_pass = NULL; + struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data; TDB_CONTEXT *pwd_tdb; - TDB_DATA key, data; + TDB_DATA key; fstring keystr; - pstring tdbfile; uint32 rid; fstring name; - unix_strlower(sname, -1, name, sizeof(name)); + unix_strlower(pdb_get_username(sam_pass), -1, name, sizeof(name)); - get_private_directory(tdbfile); - pstrcat (tdbfile, PASSDB_FILE_NAME); - /* open the TDB */ - if (!(pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDWR, 0600))) { + if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR, 0600))) { DEBUG(0, ("Unable to open TDB passwd!")); return False; } @@ -675,33 +626,8 @@ BOOL pdb_delete_sam_account(const char *sname) key.dptr = keystr; key.dsize = strlen (keystr) + 1; - /* get the record */ - data = tdb_fetch (pwd_tdb, key); - if (!data.dptr) { - DEBUG(5,("pdb_delete_sam_account (TDB): error fetching database.\n")); - DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); - tdb_close (pwd_tdb); - return False; - } - - /* unpack the buffer */ - if (!NT_STATUS_IS_OK(pdb_init_sam (&sam_pass))) { - tdb_close (pwd_tdb); - return False; - } - - if (!init_sam_from_buffer (sam_pass, data.dptr, data.dsize)) { - DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n")); - tdb_close (pwd_tdb); - SAFE_FREE(data.dptr); - return False; - } - SAFE_FREE(data.dptr); - rid = pdb_get_user_rid(sam_pass); - pdb_free_sam (&sam_pass); - /* it's outaa here! 8^) */ if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) { DEBUG(5, ("Error deleting entry from tdb passwd database!\n")); @@ -734,27 +660,62 @@ BOOL pdb_delete_sam_account(const char *sname) Update the TDB SAM ****************************************************************************/ -static BOOL tdb_update_sam(const SAM_ACCOUNT* newpwd, BOOL override, int flag) +static BOOL tdb_update_sam(struct pdb_context *context, const SAM_ACCOUNT* newpwd, int flag) { + struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data; TDB_CONTEXT *pwd_tdb = NULL; TDB_DATA key, data; uint8 *buf = NULL; fstring keystr; - pstring tdbfile; fstring name; BOOL ret = True; - - get_private_directory(tdbfile); - pstrcat (tdbfile, PASSDB_FILE_NAME); - - /* if we don't have a RID, then FAIL */ - if (!pdb_get_user_rid(newpwd)) - DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a RID\n",pdb_get_username(newpwd))); - if (!pdb_get_group_rid(newpwd)) - DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",pdb_get_username(newpwd))); + uint32 user_rid; + uint32 group_rid; + int32 tdb_ret; + + /* invalidate the existing TDB iterator if it is open */ + if (tdb_state->passwd_tdb) { + tdb_close(tdb_state->passwd_tdb); + tdb_state->passwd_tdb = NULL; + } + + /* open the account TDB passwd*/ + pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0600); + if (!pwd_tdb) + { + DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location)); + return False; + } + + /* if we don't have a RID, then make them up. */ + if (!(user_rid = pdb_get_user_rid(newpwd))) { + if (!tdb_state->permit_non_unix_accounts) { + DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a RID\n",pdb_get_username(newpwd))); + ret = False; + goto done; + } else { + user_rid = tdb_state->low_nua_rid; + tdb_ret = tdb_change_int32_atomic(pwd_tdb, "NUA_NEXT_RID", &user_rid, RID_MULTIPLIER); + if (tdb_ret == -1) { + ret = False; + goto done; + } + } + } + + if (!(group_rid = pdb_get_group_rid(newpwd))) { + if (!tdb_state->permit_non_unix_accounts) { + DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",pdb_get_username(newpwd))); + ret = False; + goto done; + } else { + /* This seems like a good default choice for non-unix users */ + group_rid = DOMAIN_GROUP_RID_USERS; + } + } /* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */ - if ((data.dsize=init_buffer_from_sam (&buf, newpwd)) == -1) { + if ((data.dsize=init_buffer_from_sam (tdb_state, &buf, newpwd, user_rid, group_rid)) == -1) { DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n")); ret = False; goto done; @@ -763,29 +724,18 @@ static BOOL tdb_update_sam(const SAM_ACCOUNT* newpwd, BOOL override, int flag) unix_strlower(pdb_get_username(newpwd), -1, name, sizeof(name)); + DEBUG(5, ("Storing %saccount %s with RID %d\n", flag == TDB_INSERT ? "(new) " : "", name, user_rid)); + /* setup the USER index key */ slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); key.dptr = keystr; key.dsize = strlen (keystr) + 1; - /* invalidate the existing TDB iterator if it is open */ - if (global_tdb_ent.passwd_tdb) { - tdb_close(global_tdb_ent.passwd_tdb); - global_tdb_ent.passwd_tdb = NULL; - } - - /* open the account TDB passwd*/ - pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0600); - if (!pwd_tdb) - { - DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd!\n")); - return False; - } - /* add the account */ if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) { DEBUG(0, ("Unable to modify passwd TDB!")); - DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb))); + DEBUGADD(0, (" Error: %s", tdb_errorstr(pwd_tdb))); + DEBUGADD(0, (" occured while storing the main record (%s)\n", keystr)); ret = False; goto done; } @@ -795,7 +745,7 @@ static BOOL tdb_update_sam(const SAM_ACCOUNT* newpwd, BOOL override, int flag) data.dptr = name; /* setup the RID index key */ - slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, pdb_get_user_rid(newpwd)); + slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, user_rid); key.dptr = keystr; key.dsize = strlen (keystr) + 1; @@ -803,6 +753,7 @@ static BOOL tdb_update_sam(const SAM_ACCOUNT* newpwd, BOOL override, int flag) if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) { DEBUG(0, ("Unable to modify TDB passwd !")); DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb))); + DEBUGADD(0, (" occured while storing the RID index (%s)\n", keystr)); ret = False; goto done; } @@ -819,21 +770,113 @@ done: Modifies an existing SAM_ACCOUNT ****************************************************************************/ -BOOL pdb_update_sam_account (const SAM_ACCOUNT *newpwd, BOOL override) +static BOOL tdbsam_update_sam_account (struct pdb_context *context, const SAM_ACCOUNT *newpwd) { - return (tdb_update_sam(newpwd, override, TDB_MODIFY)); + return (tdb_update_sam(context, newpwd, TDB_MODIFY)); } /*************************************************************************** Adds an existing SAM_ACCOUNT ****************************************************************************/ -BOOL pdb_add_sam_account (const SAM_ACCOUNT *newpwd) +static BOOL tdbsam_add_sam_account (struct pdb_context *context, const SAM_ACCOUNT *newpwd) +{ + return (tdb_update_sam(context, newpwd, TDB_INSERT)); +} + +static void free_private_data(void **vp) { - return (tdb_update_sam(newpwd, True, TDB_INSERT)); + struct tdbsam_privates **tdb_state = (struct tdbsam_privates **)vp; + close_tdb(*tdb_state); + *tdb_state = NULL; + + /* No need to free any further, as it is talloc()ed */ } + +NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + NTSTATUS nt_status; + struct tdbsam_privates *tdb_state; + + if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) { + return nt_status; + } + + (*pdb_method)->setsampwent = tdbsam_setsampwent; + (*pdb_method)->endsampwent = tdbsam_endsampwent; + (*pdb_method)->getsampwent = tdbsam_getsampwent; + (*pdb_method)->getsampwnam = tdbsam_getsampwnam; + (*pdb_method)->getsampwrid = tdbsam_getsampwrid; + (*pdb_method)->add_sam_account = tdbsam_add_sam_account; + (*pdb_method)->update_sam_account = tdbsam_update_sam_account; + (*pdb_method)->delete_sam_account = tdbsam_delete_sam_account; + + /* TODO: Setup private data and free */ + + tdb_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct tdbsam_privates)); + + if (!tdb_state) { + DEBUG(0, ("talloc() failed for tdbsam private_data!\n")); + return NT_STATUS_NO_MEMORY; + } + + if (location) { + tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, location); + } else { + pstring tdbfile; + get_private_directory(tdbfile); + pstrcat (tdbfile, PASSDB_FILE_NAME); + tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, tdbfile); + } + + (*pdb_method)->private_data = tdb_state; + + (*pdb_method)->free_private_data = free_private_data; + + return NT_STATUS_OK; +} + +NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + NTSTATUS nt_status; + struct tdbsam_privates *tdb_state; + uint32 low_nua_uid, high_nua_uid; + + if (!NT_STATUS_IS_OK(nt_status = pdb_init_tdbsam(pdb_context, pdb_method, location))) { + return nt_status; + } + + tdb_state = (*pdb_method)->private_data; + + tdb_state->permit_non_unix_accounts = True; + + if (!lp_non_unix_account_range(&low_nua_uid, &high_nua_uid)) { + DEBUG(0, ("cannot use tdbsam_nua without 'non unix account range' in smb.conf!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + tdb_state->low_nua_rid=pdb_uid_to_user_rid(low_nua_uid); + + tdb_state->high_nua_rid=pdb_uid_to_user_rid(high_nua_uid); + + return NT_STATUS_OK; +} + + #else - /* Do *NOT* make this function static. It breaks the compile on gcc. JRA */ - void samtdb_dummy_function(void) { } /* stop some compilers complaining */ -#endif /* WITH_TDB_SAM */ + +NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + DEBUG(0, ("tdbsam not compiled in!\n")); + return NT_STATUS_UNSUCCESSFUL; +} + +NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + DEBUG(0, ("tdbsam_nua not compiled in!\n")); + return NT_STATUS_UNSUCCESSFUL; +} + + +#endif |