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Prevent a possible bug for alias drives

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This commit is contained in:
d0k3 2016-11-28 23:52:05 +01:00
parent 34b58e979a
commit eac1591be3
3 changed files with 30 additions and 22 deletions
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45
source/fs.c
View File

@ -44,6 +44,7 @@ bool InitExtFS() {
for (u32 i = 1; i < NORM_FS; i++) {
char fsname[8];
snprintf(fsname, 7, "%lu:", i);
if (fs_mounted[i]) continue;
fs_mounted[i] = (f_mount(fs + i, fsname, 1) == FR_OK);
if ((i == 7) && !fs_mounted[7] && (GetMountState() == IMG_RAMDRV)) {
f_mkfs("7:", FM_ANY, 0, MAIN_BUFFER, MAIN_BUFFER_SIZE); // format ramdrive if required
@ -345,7 +346,7 @@ bool FileSetData(const char* path, const u8* data, size_t size, size_t foffset,
return false;
f_lseek(&file, foffset);
fx_write(&file, data, size, &bytes_written);
f_close(&file);
fx_close(&file);
return (bytes_written == size);
} else if (drvtype & DRV_VIRTUAL) {
VirtualFile vfile;
@ -365,10 +366,10 @@ size_t FileGetData(const char* path, u8* data, size_t size, size_t foffset) {
return 0;
f_lseek(&file, foffset);
if (fx_read(&file, data, size, &bytes_read) != FR_OK) {
f_close(&file);
fx_close(&file);
return 0;
}
f_close(&file);
fx_close(&file);
return bytes_read;
} else if (drvtype & DRV_VIRTUAL) {
u32 bytes_read = 0;
@ -435,7 +436,7 @@ bool FileGetSha256(const char* path, u8* sha256) {
ret = false;
sha_update(MAIN_BUFFER, bytes_read);
}
f_close(&file);
fx_close(&file);
}
ShowProgress(1, 1, path);
sha_get(sha256);
@ -511,14 +512,14 @@ bool FileInjectFile(const char* dest, const char* orig, u32 offset) {
if (DriveType(orig) & DRV_VIRTUAL) {
vorig = true;
if (!GetVirtualFile(&ovfile, orig)) {
if (!vdest) f_close(&dfile);
if (!vdest) fx_close(&dfile);
return false;
}
osize = ovfile.size;
} else {
vorig = false;
if (fx_open(&ofile, orig, FA_READ | FA_OPEN_EXISTING) != FR_OK) {
if (!vdest) f_close(&dfile);
if (!vdest) fx_close(&dfile);
return false;
}
osize = f_size(&ofile);
@ -529,8 +530,8 @@ bool FileInjectFile(const char* dest, const char* orig, u32 offset) {
// check file limits
if (offset + osize > dsize) {
ShowPrompt(false, "Operation would write beyond end of file");
if (!vdest) f_close(&dfile);
if (!vorig) f_close(&ofile);
if (!vdest) fx_close(&dfile);
if (!vorig) fx_close(&ofile);
return false;
}
@ -553,8 +554,8 @@ bool FileInjectFile(const char* dest, const char* orig, u32 offset) {
}
ShowProgress(1, 1, orig);
if (!vdest) f_close(&dfile);
if (!vorig) f_close(&ofile);
if (!vdest) fx_close(&dfile);
if (!vorig) fx_close(&ofile);
return ret;
}
@ -622,11 +623,11 @@ bool PathCopyVirtual(const char* destdir, const char* orig, u32* flags) {
if (!GetVirtualFile(&dvfile, dest)) {
VirtualDir vdir;
if (!GetVirtualDir(&vdir, destdir)) {
f_close(&ofile);
fx_close(&ofile);
return false;
} else while (true) {
if (!ReadVirtualDir(&dvfile, &vdir)) {
f_close(&ofile);
fx_close(&ofile);
return false;
}
if (dvfile.size == osize) // search by size should be a last resort solution
@ -634,7 +635,7 @@ bool PathCopyVirtual(const char* destdir, const char* orig, u32* flags) {
}
snprintf(dest, 255, "%s/%s", destdir, dvfile.name);
if (!ShowPrompt(true, "Entry not found: %s\nInject into %s instead?", deststr, dest)) {
f_close(&ofile);
fx_close(&ofile);
return false;
}
TruncateString(deststr, dest, 36, 8);
@ -646,12 +647,12 @@ bool PathCopyVirtual(const char* destdir, const char* orig, u32* flags) {
FormatBytes(dsizestr, dvfile.size);
if (dvfile.size > osize) {
if (!ShowPrompt(true, "File smaller than available space:\n%s (%s)\n%s (%s)\nContinue?", origstr, osizestr, deststr, dsizestr)) {
f_close(&ofile);
fx_close(&ofile);
return false;
}
} else {
ShowPrompt(false, "File bigger than available space:\n%s (%s)\n%s (%s)", origstr, osizestr, deststr, dsizestr);
f_close(&ofile);
fx_close(&ofile);
return false;
}
}
@ -668,7 +669,7 @@ bool PathCopyVirtual(const char* destdir, const char* orig, u32* flags) {
ret = false;
}
ShowProgress(1, 1, orig);
f_close(&ofile);
fx_close(&ofile);
InitExtFS();
} else if (odrvtype & DRV_VIRTUAL) { // virtual to any file system
VirtualFile ovfile;
@ -716,7 +717,7 @@ bool PathCopyVirtual(const char* destdir, const char* orig, u32* flags) {
osize = ovfile.size;
if (GetFreeSpace(dest) < osize) {
ShowPrompt(false, "Error: File is too big for destination");
f_close(&dfile);
fx_close(&dfile);
return false;
}
@ -734,7 +735,7 @@ bool PathCopyVirtual(const char* destdir, const char* orig, u32* flags) {
ret = false;
}
ShowProgress(1, 1, orig);
f_close(&dfile);
fx_close(&dfile);
if (!ret) f_unlink(dest);
} else {
return false;
@ -856,13 +857,13 @@ bool PathCopyWorker(char* dest, char* orig, u32* flags, bool move) {
fsize = f_size(&ofile);
if (GetFreeSpace(dest) < fsize) {
ShowPrompt(false, "Error: File is too big for destination");
f_close(&ofile);
fx_close(&ofile);
return false;
}
if (fx_open(&dfile, dest, FA_WRITE | FA_CREATE_ALWAYS) != FR_OK) {
ShowPrompt(false, "Error: Cannot create destination file");
f_close(&ofile);
fx_close(&ofile);
return false;
}
@ -886,8 +887,8 @@ bool PathCopyWorker(char* dest, char* orig, u32* flags, bool move) {
}
ShowProgress(1, 1, orig);
f_close(&ofile);
f_close(&dfile);
fx_close(&ofile);
fx_close(&dfile);
if (!ret) f_unlink(dest);
}

6
source/virtual/sddata.c
View File

@ -112,6 +112,12 @@ FRESULT fx_write (FIL* fp, const void* buff, UINT btw, UINT* bw) {
return res;
}
FRESULT fx_close (FIL* fp) {
FilCryptInfo* info = fx_find_cryptinfo(fp);
if (info) memset(info, 0, sizeof(FilCryptInfo));
return f_close(fp);
}
FRESULT fa_open (FIL* fp, const TCHAR* path, BYTE mode) {
TCHAR alias[256];
dealias_path(alias, path);

1
source/virtual/sddata.h
View File

@ -8,6 +8,7 @@
FRESULT fx_open (FIL* fp, const TCHAR* path, BYTE mode);
FRESULT fx_read (FIL* fp, void* buff, UINT btr, UINT* br);
FRESULT fx_write (FIL* fp, const void* buff, UINT btw, UINT* bw);
FRESULT fx_close (FIL* fp);
void dealias_path (TCHAR* alias, const TCHAR* path);
FRESULT fa_open (FIL* fp, const TCHAR* path, BYTE mode);