/// <summary>
/// 得到权限数的数据
/// </summary>
/// <returns></returns>
public DataTable GetAuthorityTree()
{
RelaTable tab1 = new RelaTable("JAuthority");
tab1.InnerJoin("Jmodel", "JAuthority.modelid=jmodel.modelid");
tab1.InnerJoin("JAuthorityDetail", "JAuthorityDetail.AuthorityID=JAuthority.AuthorityID");
JQuery querey1 = new JQuery(tab1);
querey1.OrderBy = "Jmodel.num,JAuthority.num,JAuthorityDetail.num";
String fields = "Jmodel.modelid,jmodel.modelname,JAuthority.authorityid,JAuthority.authorityName,JAuthorityDetail.remark,JAuthorityDetail.AuthorityUnitID";
DataTable dt1 = querey1.SearchData(fields, -1).Tables[0];
return(dt1);
}
/// <summary>
/// 根据组织的ID，得到其正常的用户Table
/// </summary>
/// <param name="orgid"></param>
/// <returns></returns>
public DataTable GetOrgUserID(String orgid)
{
DataTable dt1 = null;
if (String.IsNullOrEmpty(orgid) == false)
{
List <SearchField> condition = new List <SearchField>();
condition.Add(new SearchField("JOrgUsers.orgid", orgid));
condition.Add(new SearchField("Juser.status", "1"));
RelaTable r1 = new RelaTable("JOrgUsers");
r1.InnerJoin("JUser", "JOrgUsers.userid=Juser.userid");
JTable tab1 = new JTable(r1.TableName);
dt1 = tab1.SearchData(condition, -1, "JOrgUsers.*,Juser.UserName").Tables[0];
}
return(dt1);
}
/// <summary>
/// Relocates all relocations found in the DT_DYNAMIC segment.
/// </summary>
/// <param name="program"></param>
/// <returns></returns>
public List <ElfSymbol> RelocateDynamicSymbols(Program program)
{
var symbols = new List <ElfSymbol>();
foreach (var dynSeg in EnumerateDynamicSegments())
{
DumpDynamicSegment(dynSeg);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_STRTAB, out var strtab);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_SYMTAB, out var symtab);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_RELA, out var rela);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_RELASZ, out var relasz);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_RELAENT, out var relaent);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_REL, out var rel);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_RELSZ, out var relsz);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_RELENT, out var relent);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_SYMENT, out var syment);
if (symtab == null || (rela == null && rel == null))
{
continue;
}
if (strtab == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks a string table.");
}
if (syment == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of symbol table entries.");
}
RelocationTable relTable;
if (rela != null)
{
if (relasz == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of the relocation table.");
}
if (relaent == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of relocation table entries.");
}
relTable = new RelaTable(this, rela.UValue, relasz.UValue);
}
else
{
Debug.Assert(rel != null);
if (relsz == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of the relocation table.");
}
if (relent == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of relocation table entries.");
}
relTable = new RelTable(this, rel.UValue, relsz.UValue);
}
var offStrtab = Loader.AddressToFileOffset(strtab.UValue);
var offSymtab = Loader.AddressToFileOffset(symtab.UValue);
LoadSymbolsFromDynamicSegment(dynSeg, symtab, syment, offStrtab, offSymtab);
// Generate a symbol for each relocation.
ElfImageLoader.trace.Inform("Relocating entries in .dynamic:");
foreach (var(_, elfSym, _) in relTable.RelocateEntries(program, offStrtab, offSymtab, syment.UValue))
{
symbols.Add(elfSym);
var imgSym = Loader.CreateImageSymbol(elfSym, true);
// Symbols need to refer to the loaded image, if their value is 0,
// they are imported symbols.
if (imgSym == null || imgSym.Address.ToLinear() == 0)
{
continue;
}
imageSymbols[imgSym.Address] = imgSym;
}
// Relocate the DT_JMPREL table.
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_JMPREL, out var jmprel);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_PLTRELSZ, out var pltrelsz);
Loader.DynamicEntries.TryGetValue(ElfDynamicEntry.DT_PLTREL, out var pltrel);
if (jmprel != null && pltrelsz != null && pltrel != null)
{
if (pltrel.SValue == ElfDynamicEntry.DT_RELA) // entries are in RELA format.
{
relTable = new RelaTable(this, jmprel.UValue, pltrelsz.UValue);
}
else if (pltrel.SValue == ElfDynamicEntry.DT_REL) // entries are in REL format
{
relTable = new RelTable(this, jmprel.UValue, pltrelsz.UValue);
}
else
{
//$REVIEW: bad elf format!
continue;
}
ElfImageLoader.trace.Inform("Relocating entries in DT_JMPREL:");
foreach (var(addrImport, elfSym, extraSym) in relTable.RelocateEntries(program, offStrtab, offSymtab, syment.UValue))
{
symbols.Add(elfSym);
var imgSym = Loader.CreateImageSymbol(elfSym, true);
if (imgSym != null && imgSym.Address.ToLinear() != 0)
{
imageSymbols[imgSym.Address] = imgSym;
}
if (extraSym != null)
{
symbols.Add(extraSym);
var extraImgSym = Loader.CreateImageSymbol(extraSym, true);
imageSymbols[extraImgSym.Address] = extraImgSym;
}
if (elfSym.SectionIndex == ElfSection.SHN_UNDEF)
{
program.ImportReferences[addrImport] =
new NamedImportReference(
addrImport,
null, // ELF imports don't specify which module to take the import from
imgSym.Name,
imgSym.Type);
}
}
}
}
return(symbols);
}
/// <summary>
/// Relocates all relocations found in the DT_DYNAMIC segment.
/// </summary>
/// <param name="program"></param>
/// <returns></returns>
public List <ElfSymbol> RelocateDynamicSymbols(Program program)
{
var symbols = new List <ElfSymbol>();
foreach (var dynSeg in EnumerateDynamicSegments())
{
DumpDynamicSegment(dynSeg);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_STRTAB, out var strtab);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_SYMTAB, out var symtab);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_RELA, out var rela);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_RELASZ, out var relasz);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_RELAENT, out var relaent);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_REL, out var rel);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_RELSZ, out var relsz);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_RELENT, out var relent);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_SYMENT, out var syment);
if (symtab == null || (rela == null && rel == null))
{
continue;
}
if (strtab == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks a string table.");
}
if (syment == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of symbol table entries.");
}
RelocationTable relTable;
if (rela != null)
{
if (relasz == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of the relocation table.");
}
if (relaent == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of relocation table entries.");
}
relTable = new RelaTable(this, rela.UValue, relasz.UValue);
}
else
{
Debug.Assert(rel != null);
if (relsz == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of the relocation table.");
}
if (relent == null)
{
throw new BadImageFormatException("ELF dynamic segment lacks the size of relocation table entries.");
}
relTable = new RelTable(this, rel.UValue, relsz.UValue);
}
var offStrtab = Loader.AddressToFileOffset(strtab.UValue);
var offSymtab = Loader.AddressToFileOffset(symtab.UValue);
LoadSymbolsFromDynamicSegment(dynSeg, symtab, syment, offStrtab, offSymtab);
// Generate a symbol for each relocation.
foreach (var elfSym in relTable.RelocateEntries(program, offStrtab, offSymtab, syment.UValue))
{
symbols.Add(elfSym);
var imgSym = Loader.CreateImageSymbol(elfSym, true);
if (imgSym == null || imgSym.Address.ToLinear() == 0)
{
continue;
}
imageSymbols[imgSym.Address] = imgSym;
}
// Relocate the DT_JMPREL table.
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_JMPREL, out var jmprel);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_PLTRELSZ, out var pltrelsz);
Loader.DynamicEntries.TryGetValue(ElfLoader.DT_PLTREL, out var pltrel);
if (jmprel != null && pltrelsz != null && pltrel != null)
{
if (pltrel.SValue == 7) // entries are in RELA format.
{
relTable = new RelaTable(this, jmprel.UValue, pltrelsz.UValue);
}
else if (pltrel.SValue == 0x11) // entries are in REL format
{
relTable = new RelTable(this, jmprel.UValue, pltrelsz.UValue);
}
else
{
//$REVIEW: bad elf format!
continue;
}
foreach (var elfSym in relTable.RelocateEntries(program, offStrtab, offSymtab, syment.UValue))
{
symbols.Add(elfSym);
var imgSym = Loader.CreateImageSymbol(elfSym, true);
if (imgSym == null || imgSym.Address.ToLinear() == 0)
{
continue;
}
imageSymbols[imgSym.Address] = imgSym;
program.ImportReferences[imgSym.Address] =
new NamedImportReference(
imgSym.Address,
null, // ELF imports don't specify which modile to take the import from
imgSym.Name);
}
}
}
return(symbols);
}
