/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
Username handling
Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Jeremy Allison 1997-2001.
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
static struct passwd *uname_string_combinations(char *s, struct passwd * (*fn) (const char *), int N);
static struct passwd *uname_string_combinations2(char *s, int offset, struct passwd * (*fn) (const char *), int N);
+/*****************************************************************
+ Check if a user or group name is local (this is a *local* name for
+ *local* people, there's nothing for you here...).
+*****************************************************************/
+
+static BOOL name_is_local(const char *name)
+{
+ return !(strchr_m(name, *lp_winbind_separator()));
+}
+
+/*****************************************************************
+ Splits passed user or group name to domain and user/group name parts
+ Returns True if name was splitted and False otherwise.
+*****************************************************************/
+
+BOOL split_domain_and_name(const char *name, char *domain, char* username)
+{
+ char *p = strchr(name,*lp_winbind_separator());
+
+
+ /* Parse a string of the form DOMAIN/user into a domain and a user */
+ DEBUG(10,("split_domain_and_name: checking whether name |%s| local or not\n", name));
+
+ if (p) {
+ fstrcpy(username, p+1);
+ fstrcpy(domain, name);
+ domain[PTR_DIFF(p, name)] = 0;
+ } else if (lp_winbind_use_default_domain()) {
+ fstrcpy(username, name);
+ fstrcpy(domain, lp_workgroup());
+ } else {
+ return False;
+ }
+
+ DEBUG(10,("split_domain_and_name: all is fine, domain is |%s| and name is |%s|\n", domain, username));
+ return True;
+}
+
/****************************************************************************
Get a users home directory.
****************************************************************************/
char *get_user_home_dir(const char *user)
{
- static struct passwd *pass;
+ static struct passwd *pass;
- pass = Get_Pwnam(user);
+ /* Ensure the user exists. */
- if (!pass) return(NULL);
- return(pass->pw_dir);
-}
+ pass = Get_Pwnam(user);
+ if (!pass)
+ return(NULL);
+ /* Return home directory from struct passwd. */
+
+ return(pass->pw_dir);
+}
/*******************************************************************
Map a username from a dos name to a unix name by looking in the username
BOOL map_username(char *user)
{
- static BOOL initialised=False;
- static fstring last_from,last_to;
- XFILE *f;
- char *mapfile = lp_username_map();
- char *s;
- pstring buf;
- BOOL mapped_user = False;
-
- if (!*user)
- return False;
-
- if (!*mapfile)
- return False;
-
- if (!initialised) {
- *last_from = *last_to = 0;
- initialised = True;
- }
-
- if (strequal(user,last_to))
- return False;
-
- if (strequal(user,last_from)) {
- DEBUG(3,("Mapped user %s to %s\n",user,last_to));
- fstrcpy(user,last_to);
- return True;
- }
+ static BOOL initialised=False;
+ static fstring last_from,last_to;
+ XFILE *f;
+ char *mapfile = lp_username_map();
+ char *s;
+ pstring buf;
+ BOOL mapped_user = False;
+
+ if (!*user)
+ return False;
+
+ if (!*mapfile)
+ return False;
+
+ if (!initialised) {
+ *last_from = *last_to = 0;
+ initialised = True;
+ }
+
+ if (strequal(user,last_to))
+ return False;
+
+ if (strequal(user,last_from)) {
+ DEBUG(3,("Mapped user %s to %s\n",user,last_to));
+ fstrcpy(user,last_to);
+ return True;
+ }
- f = x_fopen(mapfile,O_RDONLY, 0);
- if (!f) {
- DEBUG(0,("can't open username map %s. Error %s\n",mapfile, strerror(errno) ));
- return False;
- }
-
- DEBUG(4,("Scanning username map %s\n",mapfile));
-
- while((s=fgets_slash(buf,sizeof(buf),f))!=NULL) {
- char *unixname = s;
- char *dosname = strchr_m(unixname,'=');
- char **dosuserlist;
- BOOL return_if_mapped = False;
-
- if (!dosname)
- continue;
-
- *dosname++ = 0;
-
- while (isspace(*unixname))
- unixname++;
- if ('!' == *unixname) {
- return_if_mapped = True;
- unixname++;
- while (*unixname && isspace(*unixname))
- unixname++;
- }
-
- if (!*unixname || strchr_m("#;",*unixname))
- continue;
-
- {
- int l = strlen(unixname);
- while (l && isspace(unixname[l-1])) {
- unixname[l-1] = 0;
- l--;
- }
- }
-
- dosuserlist = lp_list_make(dosname);
- if (!dosuserlist) {
- DEBUG(0,("Unable to build user list\n"));
- return False;
- }
-
- if (strchr_m(dosname,'*') || user_in_list(user, dosuserlist)) {
- DEBUG(3,("Mapped user %s to %s\n",user,unixname));
- mapped_user = True;
- fstrcpy(last_from,user);
- sscanf(unixname,"%s",user);
- fstrcpy(last_to,user);
- if(return_if_mapped) {
- lp_list_free (&dosuserlist);
- x_fclose(f);
- return True;
- }
- }
+ f = x_fopen(mapfile,O_RDONLY, 0);
+ if (!f) {
+ DEBUG(0,("can't open username map %s. Error %s\n",mapfile, strerror(errno) ));
+ return False;
+ }
+
+ DEBUG(4,("Scanning username map %s\n",mapfile));
+
+ while((s=fgets_slash(buf,sizeof(buf),f))!=NULL) {
+ char *unixname = s;
+ char *dosname = strchr_m(unixname,'=');
+ char **dosuserlist;
+ BOOL return_if_mapped = False;
+
+ if (!dosname)
+ continue;
+
+ *dosname++ = 0;
+
+ while (isspace((int)*unixname))
+ unixname++;
+
+ if ('!' == *unixname) {
+ return_if_mapped = True;
+ unixname++;
+ while (*unixname && isspace((int)*unixname))
+ unixname++;
+ }
- lp_list_free (&dosuserlist);
- }
+ if (!*unixname || strchr_m("#;",*unixname))
+ continue;
+
+ {
+ int l = strlen(unixname);
+ while (l && isspace((int)unixname[l-1])) {
+ unixname[l-1] = 0;
+ l--;
+ }
+ }
- x_fclose(f);
+ dosuserlist = str_list_make(dosname, NULL);
+ if (!dosuserlist) {
+ DEBUG(0,("Unable to build user list\n"));
+ return False;
+ }
- /*
- * Setup the last_from and last_to as an optimization so
- * that we don't scan the file again for the same user.
- */
- fstrcpy(last_from,user);
- fstrcpy(last_to,user);
+ if (strchr_m(dosname,'*') || user_in_list(user, (const char **)dosuserlist, NULL, 0)) {
+ DEBUG(3,("Mapped user %s to %s\n",user,unixname));
+ mapped_user = True;
+ fstrcpy(last_from,user);
+ sscanf(unixname,"%s",user);
+ fstrcpy(last_to,user);
+ if(return_if_mapped) {
+ str_list_free (&dosuserlist);
+ x_fclose(f);
+ return True;
+ }
+ }
+
+ str_list_free (&dosuserlist);
+ }
- return mapped_user;
-}
+ x_fclose(f);
-/****************************************************************************
- Get_Pwnam wrapper
-****************************************************************************/
+ /*
+ * Setup the last_from and last_to as an optimization so
+ * that we don't scan the file again for the same user.
+ */
+ fstrcpy(last_from,user);
+ fstrcpy(last_to,user);
-static struct passwd *_Get_Pwnam(const char *s)
-{
- struct passwd *ret;
-
- ret = sys_getpwnam(s);
- if (ret) {
-#ifdef HAVE_GETPWANAM
- struct passwd_adjunct *pwret;
- pwret = getpwanam(s);
- if (pwret && pwret->pwa_passwd) {
- pstrcpy(ret->pw_passwd,pwret->pwa_passwd);
- }
-#endif
- }
-
- return(ret);
+ return mapped_user;
}
-
-/*
- * A wrapper for getpwnam(). The following variations are tried:
+/****************************************************************************
+ * A wrapper for sys_getpwnam(). The following variations are tried:
* - as transmitted
* - in all lower case if this differs from transmitted
* - in all upper case if this differs from transmitted
* - using lp_usernamelevel() for permutations.
- */
-struct passwd *Get_Pwnam_internals(const char *user, char *user2)
+****************************************************************************/
+
+static struct passwd *Get_Pwnam_ret = NULL;
+
+static struct passwd *Get_Pwnam_internals(const char *user, char *user2)
{
struct passwd *ret = NULL;
/* Try in all lower case first as this is the most
common case on UNIX systems */
- strlower(user2);
+ strlower_m(user2);
DEBUG(5,("Trying _Get_Pwnam(), username as lowercase is %s\n",user2));
- ret = _Get_Pwnam(user2);
+ ret = getpwnam_alloc(user2);
if(ret)
goto done;
/* Try as given, if username wasn't originally lowercase */
- if(strcmp(user,user2) != 0) {
- DEBUG(5,("Trying _Get_Pwnam(), username as given is %s\n",user));
- ret = _Get_Pwnam(user);
+ if(strcmp(user, user2) != 0) {
+ DEBUG(5,("Trying _Get_Pwnam(), username as given is %s\n", user));
+ ret = getpwnam_alloc(user);
if(ret)
goto done;
- }
+ }
/* Try as uppercase, if username wasn't originally uppercase */
- strupper(user2);
- if(strcmp(user,user2) != 0) {
- DEBUG(5,("Trying _Get_Pwnam(), username as uppercase is %s\n",user2));
- ret = _Get_Pwnam(user2);
+ strupper_m(user2);
+ if(strcmp(user, user2) != 0) {
+ DEBUG(5,("Trying _Get_Pwnam(), username as uppercase is %s\n", user2));
+ ret = getpwnam_alloc(user2);
if(ret)
goto done;
}
/* Try all combinations up to usernamelevel */
- strlower(user2);
- DEBUG(5,("Checking combinations of %d uppercase letters in %s\n",lp_usernamelevel(),user2));
- ret = uname_string_combinations(user2, _Get_Pwnam, lp_usernamelevel());
+ strlower_m(user2);
+ DEBUG(5,("Checking combinations of %d uppercase letters in %s\n", lp_usernamelevel(), user2));
+ ret = uname_string_combinations(user2, getpwnam_alloc, lp_usernamelevel());
done:
- DEBUG(5,("Get_Pwnam %s find a valid username!\n",ret ? "did":"didn't"));
- return ret;
-}
+ DEBUG(5,("Get_Pwnam_internals %s find user [%s]!\n",ret ? "did":"didn't", user));
-/****************************************************************************
- Get_Pwnam wrapper for modification.
- NOTE: This can potentially modify 'user'!
-****************************************************************************/
+ /* This call used to just return the 'passwd' static buffer.
+ This could then have accidental reuse implications, so
+ we now malloc a copy, and free it in the next use.
-struct passwd *Get_Pwnam_Modify(char *user)
-{
- fstring user2;
- struct passwd *ret;
+ This should cause the (ab)user to segfault if it
+ uses an old struct.
+
+ This is better than useing the wrong data in security
+ critical operations.
- fstrcpy(user2, user);
+ The real fix is to make the callers free the returned
+ malloc'ed data.
+ */
- ret = Get_Pwnam_internals(user, user2);
+ if (Get_Pwnam_ret) {
+ passwd_free(&Get_Pwnam_ret);
+ }
- /* If caller wants the modified username, ensure they get it */
- fstrcpy(user,user2);
+ Get_Pwnam_ret = ret;
- /* We can safely assume ret is NULL if none of the above succeed */
- return(ret);
+ return ret;
}
/****************************************************************************
fstrcpy(user2, user);
+ DEBUG(5,("Finding user %s\n", user));
+
ret = Get_Pwnam_internals(user, user2);
- /* We can safely assume ret is NULL if none of the above succeed */
- return(ret);
+ return ret;
}
/****************************************************************************
static BOOL user_in_netgroup_list(const char *user, const char *ngname)
{
#ifdef HAVE_NETGROUP
- static char *mydomain = NULL;
- if (mydomain == NULL)
- yp_get_default_domain(&mydomain);
-
- if(mydomain == NULL) {
- DEBUG(5,("Unable to get default yp domain\n"));
- } else {
- DEBUG(5,("looking for user %s of domain %s in netgroup %s\n",
- user, mydomain, ngname));
- DEBUG(5,("innetgr is %s\n",
- innetgr(ngname, NULL, user, mydomain)
- ? "TRUE" : "FALSE"));
-
- if (innetgr(ngname, NULL, user, mydomain))
- return (True);
- }
+ static char *mydomain = NULL;
+ if (mydomain == NULL)
+ yp_get_default_domain(&mydomain);
+
+ if(mydomain == NULL) {
+ DEBUG(5,("Unable to get default yp domain\n"));
+ return False;
+ }
+
+ DEBUG(5,("looking for user %s of domain %s in netgroup %s\n",
+ user, mydomain, ngname));
+ DEBUG(5,("innetgr is %s\n", innetgr(ngname, NULL, user, mydomain)
+ ? "TRUE" : "FALSE"));
+
+ if (innetgr(ngname, NULL, user, mydomain))
+ return (True);
#endif /* HAVE_NETGROUP */
- return False;
+ return False;
}
/****************************************************************************
Check if a user is in a winbind group.
****************************************************************************/
-static BOOL user_in_winbind_group_list(char *user,char *gname, BOOL *winbind_answered)
+static BOOL user_in_winbind_group_list(const char *user, const char *gname, BOOL *winbind_answered)
{
- int num_groups;
int i;
- gid_t *groups = NULL;
- gid_t gid;
+ gid_t gid, gid_low, gid_high;
BOOL ret = False;
+ static gid_t *groups = NULL;
+ static int num_groups = 0;
+ static fstring last_user = "";
*winbind_answered = False;
- /*
- * Get the gid's that this user belongs to.
- */
-
- if ((num_groups = winbind_getgroups(user, 0, NULL)) == -1)
- return False;
-
- if (num_groups == 0) {
- *winbind_answered = True;
- return False;
- }
-
- if ((groups = (gid_t *)malloc(sizeof(gid_t) * num_groups )) == NULL) {
- DEBUG(0,("user_in_winbind_group_list: malloc fail.\n"));
+ if ((gid = nametogid(gname)) == (gid_t)-1) {
+ DEBUG(0,("user_in_winbind_group_list: nametogid for group %s failed.\n",
+ gname ));
goto err;
}
-
- if ((num_groups = winbind_getgroups(user, num_groups, groups)) == -1) {
- DEBUG(0,("user_in_winbind_group_list: second winbind_getgroups call \
-failed with error %s\n", strerror(errno) ));
+
+ if (!lp_idmap_gid(&gid_low, &gid_high)) {
+ DEBUG(4, ("winbind gid range not configured, therefore %s cannot be a winbind group\n", gname));
+ goto err;
+ }
+
+ if (gid < gid_low || gid > gid_high) {
+ DEBUG(4, ("group %s is not a winbind group\n", gname));
goto err;
}
- /*
- * Now we have the gid list for this user - convert the gname
- * to a gid_t via either winbind or the local UNIX lookup and do the comparison.
- */
+ /* try to user the last user we looked up */
+ /* otherwise fall back to lookups */
+
+ if ( !strequal( last_user, user ) || !groups )
+ {
+ /* clear any cached information */
+
+ SAFE_FREE(groups);
+ fstrcpy( last_user, "" );
+
+ /*
+ * Get the gid's that this user belongs to.
+ */
- if ((gid = nametogid(gname)) == (gid_t)-1) {
- DEBUG(0,("user_in_winbind_group_list: winbind_lookup_name for group %s failed.\n",
- gname ));
- goto err;
- }
+ if ((num_groups = winbind_getgroups(user, &groups)) == -1)
+ return False;
+
+ if ( num_groups == -1 )
+ return False;
+
+ if ( num_groups == 0 ) {
+ *winbind_answered = True;
+ return False;
+ }
+
+ /* save the last username */
+
+ fstrcpy( last_user, user );
+
+ }
+ else
+ DEBUG(10,("user_in_winbind_group_list: using cached user groups for [%s]\n", user));
+
+ if ( DEBUGLEVEL >= 10 ) {
+ DEBUG(10,("user_in_winbind_group_list: using groups -- "));
+ for ( i=0; i<num_groups; i++ )
+ DEBUGADD(10,("%d ", groups[i]));
+ DEBUGADD(10,("\n"));
+ }
+
+ /*
+ * Now we have the gid list for this user - convert the gname
+ * to a gid_t via either winbind or the local UNIX lookup and do the comparison.
+ */
for (i = 0; i < num_groups; i++) {
if (gid == groups[i]) {
Check if a user is in a UNIX group.
****************************************************************************/
-static BOOL user_in_unix_group_list(const char *user,const char *gname)
+BOOL user_in_unix_group_list(const char *user,const char *gname)
{
- struct group *gptr;
- char **member;
struct passwd *pass = Get_Pwnam(user);
+ struct sys_userlist *user_list;
+ struct sys_userlist *member;
DEBUG(10,("user_in_unix_group_list: checking user %s in group %s\n", user, gname));
*/
if (pass) {
- gptr = getgrgid(pass->pw_gid);
- if (gptr && strequal(gptr->gr_name,gname)) {
+ if (strequal(gname,gidtoname(pass->pw_gid))) {
DEBUG(10,("user_in_unix_group_list: group %s is primary group.\n", gname ));
return True;
}
}
- if ((gptr = (struct group *)getgrnam(gname)) == NULL) {
+ user_list = get_users_in_group(gname);
+ if (user_list == NULL) {
DEBUG(10,("user_in_unix_group_list: no such group %s\n", gname ));
return False;
}
-
- member = gptr->gr_mem;
- while (member && *member) {
- DEBUG(10,("user_in_unix_group_list: checking user %s against member %s\n", user, *member ));
- if (strequal(*member,user)) {
+
+ for (member = user_list; member; member = member->next) {
+ DEBUG(10,("user_in_unix_group_list: checking user %s against member %s\n",
+ user, member->unix_name ));
+ if (strequal(member->unix_name,user)) {
+ free_userlist(user_list);
return(True);
}
- member++;
}
+ free_userlist(user_list);
return False;
}
Check if a user is in a group list. Ask winbind first, then use UNIX.
****************************************************************************/
-BOOL user_in_group_list(char *user,char *gname)
+BOOL user_in_group_list(const char *user, const char *gname, gid_t *groups, size_t n_groups)
{
BOOL winbind_answered = False;
- BOOL ret = user_in_winbind_group_list(user, gname, &winbind_answered);
+ BOOL ret;
+ gid_t gid;
+ unsigned i;
+
+ gid = nametogid(gname);
+ if (gid == (gid_t)-1)
+ return False;
+
+ if (groups && n_groups > 0) {
+ for (i=0; i < n_groups; i++) {
+ if (groups[i] == gid) {
+ return True;
+ }
+ }
+ return False;
+ }
- if (winbind_answered)
- return ret;
+ /* fallback if we don't yet have the group list */
- return user_in_unix_group_list(user, gname);
+ ret = user_in_winbind_group_list(user, gname, &winbind_answered);
+ if (!winbind_answered)
+ ret = user_in_unix_group_list(user, gname);
+
+ if (ret)
+ DEBUG(10,("user_in_group_list: user |%s| is in group |%s|\n", user, gname));
+ return ret;
}
/****************************************************************************
and netgroup lists.
****************************************************************************/
-BOOL user_in_list(char *user,char **list)
+BOOL user_in_list(const char *user,const char **list, gid_t *groups, size_t n_groups)
{
-
- if (!list || !*list) return False;
-
- DEBUG(10,("user_in_list: checking user %s in list\n", user));
-
- while (*list) {
- /*
- * Check raw username.
- */
- if (strequal(user, *list))
- return(True);
-
- /*
- * Now check to see if any combination
- * of UNIX and netgroups has been specified.
- */
-
- if(**list == '@') {
- /*
- * Old behaviour. Check netgroup list
- * followed by UNIX list.
- */
- if(user_in_netgroup_list(user, *list +1))
- return True;
- if(user_in_group_list(user, *list +1))
- return True;
- } else if (**list == '+') {
-
- if((*(*list +1)) == '&') {
- /*
- * Search UNIX list followed by netgroup.
- */
- if(user_in_group_list(user, *list +2))
- return True;
- if(user_in_netgroup_list(user, *list +2))
- return True;
-
- } else {
-
- /*
- * Just search UNIX list.
- */
-
- if(user_in_group_list(user, *list +1))
- return True;
- }
-
- } else if (**list == '&') {
-
- if(*(*list +1) == '+') {
- /*
- * Search netgroup list followed by UNIX list.
- */
- if(user_in_netgroup_list(user, *list +2))
- return True;
- if(user_in_group_list(user, *list +2))
- return True;
- } else {
- /*
- * Just search netgroup list.
- */
- if(user_in_netgroup_list(user, *list +1))
- return True;
- }
- }
+ if (!list || !*list)
+ return False;
+
+ DEBUG(10,("user_in_list: checking user %s in list\n", user));
+
+ while (*list) {
+
+ DEBUG(10,("user_in_list: checking user |%s| against |%s|\n", user, *list));
+
+ /*
+ * Check raw username.
+ */
+ if (strequal(user, *list))
+ return(True);
+
+ /*
+ * Now check to see if any combination
+ * of UNIX and netgroups has been specified.
+ */
+
+ if(**list == '@') {
+ /*
+ * Old behaviour. Check netgroup list
+ * followed by UNIX list.
+ */
+ if(user_in_netgroup_list(user, *list +1))
+ return True;
+ if(user_in_group_list(user, *list +1, groups, n_groups))
+ return True;
+ } else if (**list == '+') {
+
+ if((*(*list +1)) == '&') {
+ /*
+ * Search UNIX list followed by netgroup.
+ */
+ if(user_in_group_list(user, *list +2, groups, n_groups))
+ return True;
+ if(user_in_netgroup_list(user, *list +2))
+ return True;
+
+ } else {
+
+ /*
+ * Just search UNIX list.
+ */
+
+ if(user_in_group_list(user, *list +1, groups, n_groups))
+ return True;
+ }
+
+ } else if (**list == '&') {
+
+ if(*(*list +1) == '+') {
+ /*
+ * Search netgroup list followed by UNIX list.
+ */
+ if(user_in_netgroup_list(user, *list +2))
+ return True;
+ if(user_in_group_list(user, *list +2, groups, n_groups))
+ return True;
+ } else {
+ /*
+ * Just search netgroup list.
+ */
+ if(user_in_netgroup_list(user, *list +1))
+ return True;
+ }
+ } else if (!name_is_local(*list)) {
+ /*
+ * If user name did not match and token is not
+ * a unix group and the token has a winbind separator in the
+ * name then see if it is a Windows group.
+ */
+
+ DOM_SID g_sid;
+ enum SID_NAME_USE name_type;
+ BOOL winbind_answered = False;
+ BOOL ret;
+ fstring groupname, domain;
+
+ /* Parse a string of the form DOMAIN/user into a domain and a user */
+
+ char *p = strchr(*list,*lp_winbind_separator());
+
+ DEBUG(10,("user_in_list: checking if user |%s| is in winbind group |%s|\n", user, *list));
+
+ if (p) {
+ fstrcpy(groupname, p+1);
+ fstrcpy(domain, *list);
+ domain[PTR_DIFF(p, *list)] = 0;
+
+ /* Check to see if name is a Windows group; Win2k native mode DCs
+ will return domain local groups; while NT4 or mixed mode 2k DCs
+ will not */
+
+ if ( winbind_lookup_name(NULL, *list, &g_sid, &name_type)
+ && ( name_type==SID_NAME_DOM_GRP ||
+ (strequal(lp_workgroup(), domain) && name_type==SID_NAME_ALIAS) ) )
+ {
+
+ /* Check if user name is in the Windows group */
+ ret = user_in_winbind_group_list(user, *list, &winbind_answered);
+
+ if (winbind_answered && ret == True) {
+ DEBUG(10,("user_in_list: user |%s| is in winbind group |%s|\n", user, *list));
+ return ret;
+ }
+ }
+ }
+ }
- list++;
- }
- return(False);
+ list++;
+ }
+ return(False);
}
/* The functions below have been taken from password.c and slightly modified */
it assumes the string starts lowercased
****************************************************************************/
-static struct passwd *uname_string_combinations2(char *s,int offset,struct passwd *(*fn)(char *),int N)
+static struct passwd *uname_string_combinations2(char *s,int offset,struct passwd *(*fn)(const char *),int N)
{
- ssize_t len = (ssize_t)strlen(s);
- int i;
- struct passwd *ret;
-
-#ifdef PASSWORD_LENGTH
- len = MIN(len,PASSWORD_LENGTH);
-#endif
-
- if (N <= 0 || offset >= len)
- return(fn(s));
-
- for (i=offset;i<(len-(N-1));i++) {
- char c = s[i];
- if (!islower(c))
- continue;
- s[i] = toupper(c);
- ret = uname_string_combinations2(s,i+1,fn,N-1);
- if(ret)
- return(ret);
- s[i] = c;
- }
- return(NULL);
+ ssize_t len = (ssize_t)strlen(s);
+ int i;
+ struct passwd *ret;
+
+ if (N <= 0 || offset >= len)
+ return(fn(s));
+
+ for (i=offset;i<(len-(N-1));i++) {
+ char c = s[i];
+ if (!islower((int)c))
+ continue;
+ s[i] = toupper(c);
+ ret = uname_string_combinations2(s,i+1,fn,N-1);
+ if(ret)
+ return(ret);
+ s[i] = c;
+ }
+ return(NULL);
}
/****************************************************************************
it assumes the string starts lowercased
****************************************************************************/
-static struct passwd * uname_string_combinations(char *s,struct passwd * (*fn)(char *),int N)
-{
- int n;
- struct passwd *ret;
-
- for (n=1;n<=N;n++) {
- ret = uname_string_combinations2(s,0,fn,n);
- if(ret)
- return(ret);
- }
- return(NULL);
-}
-
-
-/****************************************************************************
-these wrappers allow appliance mode to work. In appliance mode the username
-takes the form DOMAIN/user
-****************************************************************************/
-struct passwd *smb_getpwnam(char *user, BOOL allow_change)
+static struct passwd * uname_string_combinations(char *s,struct passwd * (*fn)(const char *),int N)
{
- struct passwd *pw;
- char *p;
- char *sep;
- extern pstring global_myname;
+ int n;
+ struct passwd *ret;
- if (allow_change) {
- pw = Get_Pwnam_Modify(user);
- } else {
- pw = Get_Pwnam(user);
- }
- if (pw) return pw;
-
- /* if it is a domain qualified name and it isn't in our password
- database but the domain portion matches our local machine name then
- lookup just the username portion locally */
- sep = lp_winbind_separator();
- if (!sep || !*sep) sep = "\\";
- p = strchr_m(user,*sep);
- if (p &&
- strncasecmp(global_myname, user, strlen(global_myname))==0) {
- if (allow_change) {
- pw = Get_Pwnam_Modify(p+1);
- } else {
- pw = Get_Pwnam(p+1);
- }
- }
- return NULL;
+ for (n=1;n<=N;n++) {
+ ret = uname_string_combinations2(s,0,fn,n);
+ if(ret)
+ return(ret);
+ }
+ return(NULL);
}
+
git.samba.org / gd / samba-autobuild / .git / blobdiff