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#include "check-hash.h"
#include "fingerprint.h"
#include "files.h"
void HandleCheckFail(const char *Path, const char *ErrorMessage)
{
char *Tempstr=NULL;
if (Flags & FLAG_COLOR) printf("%s%s: FAILED. '%s'.%s\n",ANSICode(ANSI_RED, 0, 0),Path, ErrorMessage, ANSI_NORM);
else printf("%s: FAILED. %s.\n",Path,ErrorMessage);
RunHookScript(DiffHook, Path, "");
Destroy(Tempstr);
}
int CheckStat(const char *Path, struct stat *ExpectedStat, struct stat *Stat)
{
if ((ExpectedStat->st_size > 0) && ((size_t) Stat->st_size != (size_t) ExpectedStat->st_size))
{
HandleCheckFail(Path, "Filesize changed");
return(FALSE);
}
if ((Flags & FLAG_FULLCHECK) && (Stat->st_ino != ExpectedStat->st_ino))
{
HandleCheckFail(Path, "Inode changed");
return(FALSE);
}
if ((Flags & FLAG_FULLCHECK) && (Stat->st_uid != ExpectedStat->st_uid))
{
HandleCheckFail(Path, "Owner changed");
return(FALSE);
}
if ((Flags & FLAG_FULLCHECK) && (Stat->st_gid != ExpectedStat->st_gid))
{
HandleCheckFail(Path, "Group changed");
return(FALSE);
}
if ((Flags & FLAG_FULLCHECK) && (Stat->st_mode != ExpectedStat->st_mode))
{
HandleCheckFail(Path, "Mode changed");
return(FALSE);
}
if ((Flags & FLAG_FULLCHECK) && (Stat->st_mtime != ExpectedStat->st_mtime))
{
HandleCheckFail(Path, "MTime changed");
return(FALSE);
}
return(TRUE);
}
//FP here is the expected fingerprint of the file, ActualHash and Path are
// its actual path and hash value
int CheckFileHash(HashratCtx *Ctx, const char *Path, struct stat *Stat, const char *ActualHash, TFingerprint *FP)
{
int result=FALSE;
if (strcasecmp(FP->Hash,ActualHash) != 0) HandleCheckFail(Path, "Hash mismatch");
else
{
if (! (Flags & FLAG_OUTPUT_FAILS))
{
if (Flags & FLAG_COLOR) printf("%s%s: OKAY%s\n",ANSICode(ANSI_GREEN, 0, 0), Path, ANSI_NORM);
else printf("%s: OKAY\n",Path);
}
result=TRUE;
}
if (Flags & FLAG_UPDATE) HashratStoreHash(Ctx, Path, Stat, ActualHash);
return(result);
}
int HashratCheckFile(HashratCtx *Ctx, const char *Path, struct stat *ActualStat, const char *ActualHash, TFingerprint *FP)
{
int result=FALSE;
char *Tempstr=NULL;
if (access(Path,F_OK)!=0)
{
//fprintf(stderr,"\rERROR: No such file '%s'\n",Path);
Tempstr=MCopyStr(Tempstr,"No such file [",Path,"]",NULL);
HandleCheckFail(Path, Tempstr);
}
else if (strcasecmp(FP->Path, Path) != 0)
{
Tempstr=MCopyStr(Tempstr,"Moved [",FP->Path,"] to [",Path,"]",NULL);
HandleCheckFail(Path, Tempstr);
}
else
{
if (FP->Flags & FP_HASSTAT)
{
result=CheckStat(Path, &FP->FStat, ActualStat);
if (result) result=CheckFileHash(Ctx, Path, ActualStat, ActualHash, FP);
}
else result=CheckFileHash(Ctx, Path, ActualStat, ActualHash, FP);
}
Destroy(Tempstr);
return(result);
}
//returns true on a significant event, meaning on FAIL
int CheckHashesFromList(HashratCtx *Ctx)
{
char *HashStr=NULL;
const char *ptr;
int Checked=0, Errors=0;
STREAM *ListStream;
TFingerprint *FP;
struct stat Stat;
ptr=GetVar(Ctx->Vars,"Path");
if (strcmp(ptr,"-")==0)
{
ListStream=STREAMFromFD(0);
STREAMSetTimeout(ListStream,0);
}
else ListStream=STREAMOpen(ptr, "r");
FP=FingerprintRead(ListStream);
while (FP)
{
if (StrValid(FP->HashType)) Ctx->HashType=CopyStr(Ctx->HashType, FP->HashType);
if (StatFile(Ctx,FP->Path,&Stat) != -1) HashItem(Ctx, Ctx->HashType, FP->Path, &Stat, &HashStr);
if (! HashratCheckFile(Ctx, FP->Path, &Stat, HashStr, FP)) Errors++;
TFingerprintDestroy(FP);
FP=FingerprintRead(ListStream);
Checked++;
}
fprintf(stderr,"\nChecked %d files. %d Failures\n",Checked,Errors);
Destroy(HashStr);
if (Errors) return(TRUE);
return(FALSE);
}
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