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Diffstat (limited to 'source/lib/username.c')
| -rw-r--r-- | source/lib/username.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/source/lib/username.c b/source/lib/username.c deleted file mode 100644 index b8d152c83fd..00000000000 --- a/source/lib/username.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - Unix SMB/Netbios implementation. - Version 1.9. - Username handling - Copyright (C) Andrew Tridgell 1992-1997 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "includes.h" -extern int DEBUGLEVEL; - - -/**************************************************************************** -get a users home directory. tries as-is then lower case -****************************************************************************/ -char *get_home_dir(char *user) -{ - static struct passwd *pass; - - pass = Get_Pwnam(user,False); - - if (!pass) return(NULL); - return(pass->pw_dir); -} - - -/******************************************************************* -map a username from a dos name to a unix name by looking in the username -map -********************************************************************/ -void map_username(char *user) -{ - static int depth=0; - static BOOL initialised=False; - static fstring last_from,last_to; - FILE *f; - char *s; - char *mapfile = lp_username_map(); - if (!*mapfile || depth) return; - - if (!*user) return; - - if (!initialised) { - *last_from = *last_to = 0; - initialised = True; - } - - if (strequal(user,last_to)) return; - - if (strequal(user,last_from)) { - DEBUG(3,("Mapped user %s to %s\n",user,last_to)); - strcpy(user,last_to); - return; - } - - f = fopen(mapfile,"r"); - if (!f) { - DEBUG(0,("can't open username map %s\n",mapfile)); - return; - } - - DEBUG(4,("Scanning username map %s\n",mapfile)); - - depth++; - - for (; (s=fgets_slash(NULL,80,f)); free(s)) { - char *unixname = s; - char *dosname = strchr(unixname,'='); - - if (!dosname) continue; - *dosname++ = 0; - - while (isspace(*unixname)) unixname++; - if (!*unixname || strchr("#;",*unixname)) continue; - - { - int l = strlen(unixname); - while (l && isspace(unixname[l-1])) { - unixname[l-1] = 0; - l--; - } - } - - if (strchr(dosname,'*') || user_in_list(user,dosname)) { - DEBUG(3,("Mapped user %s to %s\n",user,unixname)); - StrnCpy(last_from,user,sizeof(last_from)-1); - sscanf(unixname,"%s",user); - StrnCpy(last_to,user,sizeof(last_to)-1); - } - } - - fclose(f); - - depth--; -} - -/**************************************************************************** -internals of Get_Pwnam wrapper -****************************************************************************/ -static struct passwd *_Get_Pwnam(char *s) -{ - struct passwd *ret; - - ret = getpwnam(s); - if (ret) - { -#ifdef GETPWANAM - struct passwd_adjunct *pwret; - pwret = getpwanam(s); - if (pwret) - { - free(ret->pw_passwd); - ret->pw_passwd = pwret->pwa_passwd; - } -#endif - - } - - return(ret); -} - - -/**************************************************************************** -a wrapper for getpwnam() that tries with all lower and all upper case -if the initial name fails. Also tried with first letter capitalised -Note that this changes user! -****************************************************************************/ -struct passwd *Get_Pwnam(char *user,BOOL allow_change) -{ - fstring user2; - - struct passwd *ret; - - if (!user || !(*user)) - return(NULL); - - StrnCpy(user2,user,sizeof(user2)-1); - - if (!allow_change) { - user = &user2[0]; - } - - map_username(user); - - ret = _Get_Pwnam(user); - if (ret) return(ret); - - strlower(user); - ret = _Get_Pwnam(user); - if (ret) return(ret); - - strupper(user); - ret = _Get_Pwnam(user); - if (ret) return(ret); - - /* try with first letter capitalised */ - if (strlen(user) > 1) - strlower(user+1); - ret = _Get_Pwnam(user); - if (ret) return(ret); - - if (allow_change) - strcpy(user,user2); - - return(NULL); -} - - -/**************************************************************************** -check if a user is in a user list -****************************************************************************/ -BOOL user_in_list(char *user,char *list) -{ - pstring tok; - char *p=list; - - while (next_token(&p,tok,LIST_SEP)) - { - if (strequal(user,tok)) - return(True); - -#ifdef NETGROUP - if (*tok == '@') - { - static char *mydomain = NULL; - if (mydomain == 0) - yp_get_default_domain(&mydomain); - - if(mydomain == 0) - { - 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, &tok[1])); - DEBUG(5,("innetgr is %s\n", - innetgr(&tok[1], (char *) 0, user, mydomain) - ? "TRUE" : "FALSE")); - - if (innetgr(&tok[1], (char *)0, user, mydomain)) - return (True); - } - } -#endif - - -#if HAVE_GETGRNAM - if (*tok == '@') - { - struct group *gptr; - char **member; - struct passwd *pass = Get_Pwnam(user,False); - - if (pass) { - gptr = getgrgid(pass->pw_gid); - if (gptr && strequal(gptr->gr_name,&tok[1])) - return(True); - } - - gptr = (struct group *)getgrnam(&tok[1]); - - if (gptr) - { - member = gptr->gr_mem; - while (member && *member) - { - if (strequal(*member,user)) - return(True); - member++; - } - } - } -#endif - } - return(False); -} - - |