diff options
| -rw-r--r-- | source3/smbd/lanman.c | 246 |
1 files changed, 152 insertions, 94 deletions
diff --git a/source3/smbd/lanman.c b/source3/smbd/lanman.c index 666bbb5f61..f8875c5c0f 100644 --- a/source3/smbd/lanman.c +++ b/source3/smbd/lanman.c @@ -1754,82 +1754,104 @@ static BOOL api_RNetGroupEnum(connection_struct *conn,uint16 vuid, char *param,c char **rdata,char **rparam, int *rdata_len,int *rparam_len) { + int i; + int errflags=0; + int resume_context, cli_buf_size; char *str1 = param+2; char *str2 = skip_string(str1,1); char *p = skip_string(str2,1); - int uLevel = SVAL(p,0); - char *p2; - int count=0; - if (!prefix_ok(str1,"WrLeh")) return False; - - /* check it's a supported variant */ - switch( uLevel ) - { - case 0: - p2 = "B21"; - break; - default: - return False; + GROUP_MAP *group_list; + int num_entries; + + if (strcmp(str1,"WrLeh") != 0) + return False; + + /* parameters + * W-> resume context (number of users to skip) + * r -> return parameter pointer to receive buffer + * L -> length of receive buffer + * e -> return parameter number of entries + * h -> return parameter total number of users + */ + if (strcmp("B21",str2) != 0) + return False; + + /* get list of domain groups SID_DOMAIN_GRP=2 */ + if(!enum_group_mapping(2 , &group_list, &num_entries, False, False)) { + DEBUG(3,("api_RNetGroupEnum:failed to get group list")); + return False; } - if (strcmp(p2,str2) != 0) return False; + resume_context = SVAL(p,0); + cli_buf_size=SVAL(p+2,0); + DEBUG(10,("api_RNetGroupEnum:resume context: %d, client buffer size: %d\n", resume_context, cli_buf_size)); - *rdata_len = mdrcnt + 1024; + *rdata_len = cli_buf_size; *rdata = REALLOC(*rdata,*rdata_len); - SSVAL(*rparam,0,NERR_Success); - SSVAL(*rparam,2,0); /* converter word */ - p = *rdata; - /* XXXX we need a real SAM database some day */ - pstrcpy(p,"Users"); p += 21; count++; - pstrcpy(p,"Domain Users"); p += 21; count++; - pstrcpy(p,"Guests"); p += 21; count++; - pstrcpy(p,"Domain Guests"); p += 21; count++; + for(i=resume_context; i<num_entries; i++) { + char* name=group_list[i].nt_name; + if( ((PTR_DIFF(p,*rdata)+21) <= *rdata_len) ) { + /* truncate the name at 21 chars. */ + memcpy(p, name, 21); + DEBUG(10,("adding entry %d group %s\n", i, p)); + p += 21; + } else { + /* set overflow error */ + DEBUG(3,("overflow on entry %d group %s\n", i, name)); + errflags=234; + break; + } + } *rdata_len = PTR_DIFF(p,*rdata); *rparam_len = 8; *rparam = REALLOC(*rparam,*rparam_len); - SSVAL(*rparam,4,count); /* is this right?? */ - SSVAL(*rparam,6,count); /* is this right?? */ - - DEBUG(3,("api_RNetGroupEnum gave %d entries\n", count)); + SSVAL(*rparam, 0, errflags); + SSVAL(*rparam, 2, 0); /* converter word */ + SSVAL(*rparam, 4, i-resume_context); /* is this right?? */ + SSVAL(*rparam, 6, num_entries); /* is this right?? */ return(True); } -/**************************************************************************** - view list of groups available - ****************************************************************************/ -static BOOL api_RNetUserEnum(connection_struct *conn,uint16 vuid, char *param,char *data, +/******************************************************************* + get groups that a user is a member of + ******************************************************************/ +static BOOL api_NetUserGetGroups(connection_struct *conn,uint16 vuid, char *param,char *data, int mdrcnt,int mprcnt, char **rdata,char **rparam, int *rdata_len,int *rparam_len) { char *str1 = param+2; char *str2 = skip_string(str1,1); - char *p = skip_string(str2,1); + char *UserName = skip_string(str2,1); + char *p = skip_string(UserName,1); int uLevel = SVAL(p,0); char *p2; int count=0; - if (!prefix_ok(str1,"WrLeh")) return False; + *rparam_len = 8; + *rparam = REALLOC(*rparam,*rparam_len); - /* check it's a supported variant */ - switch( uLevel ) - { - case 0: - p2 = "B21"; + /* check it's a supported varient */ + if (!strcmp(str1,"zWrLeh")) + return False; + switch( uLevel ) { + case 0: + p2 = "B21"; break; - default: + default: return False; } - if (strcmp(p2,str2) != 0) return False; + if (strcmp(p2,str2) != 0) + return False; *rdata_len = mdrcnt + 1024; *rdata = REALLOC(*rdata,*rdata_len); @@ -1847,15 +1869,101 @@ static BOOL api_RNetUserEnum(connection_struct *conn,uint16 vuid, char *param,ch *rdata_len = PTR_DIFF(p,*rdata); + SSVAL(*rparam,4,count); /* is this right?? */ + SSVAL(*rparam,6,count); /* is this right?? */ + + return(True); +} + +/******************************************************************* + get all users + ******************************************************************/ +static BOOL api_RNetUserEnum(connection_struct *conn,uint16 vuid, char *param,char *data, + int mdrcnt,int mprcnt, + char **rdata,char **rparam, + int *rdata_len,int *rparam_len) +{ + SAM_ACCOUNT *pwd=NULL; + int count_sent=0; + int count_total=0; + int errflags=0; + int resume_context, cli_buf_size; + + char *str1 = param+2; + char *str2 = skip_string(str1,1); + char *p = skip_string(str2,1); + + if (strcmp(str1,"WrLeh") != 0) + return False; + /* parameters + * W-> resume context (number of users to skip) + * r -> return parameter pointer to receive buffer + * L -> length of receive buffer + * e -> return parameter number of entries + * h -> return parameter total number of users + */ + + resume_context = SVAL(p,0); + cli_buf_size=SVAL(p+2,0); + DEBUG(10,("api_RNetUserEnum:resume context: %d, client buffer size: %d\n", resume_context, cli_buf_size)); + *rparam_len = 8; *rparam = REALLOC(*rparam,*rparam_len); - SSVAL(*rparam,4,count); /* is this right?? */ - SSVAL(*rparam,6,count); /* is this right?? */ + /* check it's a supported varient */ + if (strcmp("B21",str2) != 0) + return False; - DEBUG(3,("api_RNetUserEnum gave %d entries\n", count)); + *rdata_len = cli_buf_size; + *rdata = REALLOC(*rdata,*rdata_len); - return(True); + p = *rdata; + + /* to get user list enumerations for NetUserEnum in B21 format */ + pdb_init_sam(&pwd); + + /* Open the passgrp file - not for update. */ + become_root(); + if(!pdb_setsampwent(False)) { + DEBUG(0, ("api_RNetUserEnum:unable to open sam database.\n")); + unbecome_root(); + return False; + } + errflags=NERR_Success; + + while ( pdb_getsampwent(pwd) ) { + const char *name=pdb_get_username(pwd); + if( *(name+strlen(name)-1)!='$' ) { + count_total++; + if(count_total>=resume_context) { + if( ((PTR_DIFF(p,*rdata)+21)<=*rdata_len)&&(strlen(name)<=21) ) { + pstrcpy(p,name); + DEBUG(10,("api_RNetUserEnum:adding entry %d username %s\n",count_sent,p)); + p += 21; + count_sent++; + } else { + /* set overflow error */ + DEBUG(10,("api_RNetUserEnum:overflow on entry %d username %s\n",count_sent,name)); + errflags=234; + break; + } + } + } + } ; + + pdb_endsampwent(); + unbecome_root(); + + pdb_free_sam(&pwd); + + *rdata_len = PTR_DIFF(p,*rdata); + + SSVAL(*rparam,0,errflags); + SSVAL(*rparam,2,0); /* converter word */ + SSVAL(*rparam,4,count_sent); /* is this right?? */ + SSVAL(*rparam,6,count_total); /* is this right?? */ + + return True; } @@ -2769,56 +2877,6 @@ static BOOL api_RNetUserGetInfo(connection_struct *conn,uint16 vuid, char *param return(True); } -/******************************************************************* - get groups that a user is a member of - ******************************************************************/ -static BOOL api_NetUserGetGroups(connection_struct *conn,uint16 vuid, char *param,char *data, - int mdrcnt,int mprcnt, - char **rdata,char **rparam, - int *rdata_len,int *rparam_len) -{ - char *str1 = param+2; - char *str2 = skip_string(str1,1); - char *UserName = skip_string(str2,1); - char *p = skip_string(UserName,1); - int uLevel = SVAL(p,0); - char *p2; - int count=0; - - *rparam_len = 8; - *rparam = REALLOC(*rparam,*rparam_len); - - /* check it's a supported varient */ - if (strcmp(str1,"zWrLeh") != 0) return False; - switch( uLevel ) { - case 0: p2 = "B21"; break; - default: return False; - } - if (strcmp(p2,str2) != 0) return False; - - *rdata_len = mdrcnt + 1024; - *rdata = REALLOC(*rdata,*rdata_len); - - SSVAL(*rparam,0,NERR_Success); - SSVAL(*rparam,2,0); /* converter word */ - - p = *rdata; - - /* XXXX we need a real SAM database some day */ - pstrcpy(p,"Users"); p += 21; count++; - pstrcpy(p,"Domain Users"); p += 21; count++; - pstrcpy(p,"Guests"); p += 21; count++; - pstrcpy(p,"Domain Guests"); p += 21; count++; - - *rdata_len = PTR_DIFF(p,*rdata); - - SSVAL(*rparam,4,count); /* is this right?? */ - SSVAL(*rparam,6,count); /* is this right?? */ - - return(True); -} - - static BOOL api_WWkstaUserLogon(connection_struct *conn,uint16 vuid, char *param,char *data, int mdrcnt,int mprcnt, char **rdata,char **rparam, |