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-rw-r--r--source3/smbd/lanman.c246
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,
generated by cgit (git 2.34.1) at 2024-11-05 00:56:59 +0000