mirror of
https://github.com/pbatard/rufus.git
synced 2024-08-14 23:57:05 +00:00
[misc] fix various Coverity issues
* update DLL load/unload * fix resources not being freed and potentially unsafe calls * add extra checks
This commit is contained in:
Pete Batard
parent
9aa308213d
commit
266599e6fd
12 changed files with 68 additions and 36 deletions
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@ -988,7 +988,7 @@ BOOL SetDOSLocale(const char* path, BOOL bFreeDOS)
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if ((cp == 437) && (strcmp(kb, "us") == 0)) {
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// Nothing much to do if US/US - just notify in autoexec.bat
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strcpy(filename, path);
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safe_strcpy(filename, sizeof(filename), path);
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safe_strcat(filename, sizeof(filename), "\\AUTOEXEC.BAT");
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fd = fopen(filename, "w+");
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if (fd == NULL) {
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@ -1004,7 +1004,7 @@ BOOL SetDOSLocale(const char* path, BOOL bFreeDOS)
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}
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// CONFIG.SYS
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strcpy(filename, path);
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safe_strcpy(filename, sizeof(filename), path);
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safe_strcat(filename, sizeof(filename), "\\CONFIG.SYS");
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fd = fopen(filename, "w+");
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if (fd == NULL) {
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@ -1029,7 +1029,7 @@ BOOL SetDOSLocale(const char* path, BOOL bFreeDOS)
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uprintf("Successfully wrote 'CONFIG.SYS'\n");
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// AUTOEXEC.BAT
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strcpy(filename, path);
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safe_strcpy(filename, sizeof(filename), path);
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safe_strcat(filename, sizeof(filename), "\\AUTOEXEC.BAT");
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fd = fopen(filename, "w+");
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if (fd == NULL) {
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@ -188,7 +188,7 @@ char* GetLogicalName(DWORD DriveIndex, BOOL bKeepTrailingBackslash, BOOL bSilent
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}
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for (j=0; (j<ARRAYSIZE(ignore_device)) &&
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(safe_strnicmp(path, ignore_device[j], safe_strlen(ignore_device[j])) != 0); j++);
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(_strnicmp(path, ignore_device[j], safe_strlen(ignore_device[j])) != 0); j++);
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if (j < ARRAYSIZE(ignore_device)) {
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suprintf("Skipping GUID volume for '%s'\n", path);
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continue;
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@ -258,7 +258,7 @@ HANDLE GetLogicalHandle(DWORD DriveIndex, BOOL bWriteAccess, BOOL bLockDrive)
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}
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hLogical = GetHandle(LogicalPath, bWriteAccess, bLockDrive);
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safe_free(LogicalPath);
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free(LogicalPath);
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return hLogical;
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}
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@ -453,7 +453,7 @@ BOOL GetDriveLabel(DWORD DriveIndex, char* letters, char** label)
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safe_closehandle(hPhysical);
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if (AutorunLabel != NULL) {
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uprintf("Using autorun.inf label for drive %c: '%s'\n", letters[0], AutorunLabel);
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strncpy(VolumeLabel, AutorunLabel, sizeof(VolumeLabel));
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safe_strcpy(VolumeLabel, sizeof(VolumeLabel), AutorunLabel);
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safe_free(AutorunLabel);
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*label = VolumeLabel;
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} else if (GetVolumeInformationW(wDrivePath, wVolumeLabel, ARRAYSIZE(wVolumeLabel),
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@ -626,6 +626,7 @@ int GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSyst
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NULL, 0, layout, sizeof(layout), &size, NULL );
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if (!r || size <= 0) {
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uprintf("Could not get layout for drive 0x%02x: %s\n", DriveIndex, WindowsErrorString());
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safe_closehandle(hPhysical);
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return 0;
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}
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@ -461,13 +461,14 @@ static BOOL FormatFAT32(DWORD DriveIndex)
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if (qTotalSectors >= 0xffffffff) {
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// This is a more fundamental limitation on FAT32 - the total sector count in the root dir
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// ís 32bit. With a bit of creativity, FAT32 could be extended to handle at least 2^28 clusters
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// is 32bit. With a bit of creativity, FAT32 could be extended to handle at least 2^28 clusters
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// There would need to be an extra field in the FSInfo sector, and the old sector count could
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// be set to 0xffffffff. This is non standard though, the Windows FAT driver FASTFAT.SYS won't
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// understand this. Perhaps a future version of FAT32 and FASTFAT will handle this.
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die("This drive is too big for FAT32 - max 2TB supported\n", APPERR(ERROR_INVALID_VOLUME_SIZE));
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}
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// coverity[tainted_data]
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pFAT32BootSect = (FAT_BOOTSECTOR32*) calloc(BytesPerSect, 1);
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pFAT32FsInfo = (FAT_FSINFO*) calloc(BytesPerSect, 1);
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pFirstSectOfFat = (DWORD*) calloc(BytesPerSect, 1);
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@ -923,7 +924,8 @@ static BOOL WriteMBR(HANDLE hPhysicalDrive)
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}
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// Tell the system we've updated the disk properties
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DeviceIoControl(hPhysicalDrive, IOCTL_DISK_UPDATE_PROPERTIES, NULL, 0, NULL, 0, &size, NULL );
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if (!DeviceIoControl(hPhysicalDrive, IOCTL_DISK_UPDATE_PROPERTIES, NULL, 0, NULL, 0, &size, NULL))
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uprintf("Failed to notify system about disk properties update: %s\n", WindowsErrorString());
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out:
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safe_free(buf);
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@ -225,7 +225,7 @@ static int udf_extract_files(udf_t *p_udf, udf_dirent_t *p_udf_dirent, const cha
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goto out;
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}
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if (udf_is_dir(p_udf_dirent)) {
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if (!scan_only) _mkdirU(psz_fullpath);
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if (!scan_only) IGNORE_RETVAL(_mkdirU(psz_fullpath));
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p_udf_dirent2 = udf_opendir(p_udf_dirent);
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if (p_udf_dirent2 != NULL) {
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if (udf_extract_files(p_udf, p_udf_dirent2, &psz_fullpath[strlen(psz_extract_dir)]))
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@ -376,7 +376,7 @@ static int iso_extract_files(iso9660_t* p_iso, const char *psz_path)
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iso9660_name_translate_ext(p_statbuf->filename, psz_basename, i_joliet_level);
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}
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if (p_statbuf->type == _STAT_DIR) {
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if (!scan_only) _mkdirU(psz_fullpath);
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if (!scan_only) IGNORE_RETVAL(_mkdirU(psz_fullpath));
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if (iso_extract_files(p_iso, psz_iso_name))
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goto out;
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} else {
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@ -276,7 +276,8 @@ DWORD DownloadFile(const char* url, const char* file, HWND hProgressDialog)
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PrintStatus(0, FALSE, MSG_240, &file[last_slash]);
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uprintf("Downloading '%s' from %s\n", &file[last_slash], url);
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if (!InternetCrackUrlA(url, (DWORD)safe_strlen(url), 0, &UrlParts)) {
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if ( (!InternetCrackUrlA(url, (DWORD)safe_strlen(url), 0, &UrlParts))
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|| (UrlParts.lpszHostName == NULL) || (UrlParts.lpszUrlPath == NULL)) {
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uprintf("Unable to decode URL: %s\n", WinInetErrorString());
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goto out;
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}
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33
src/parser.c
33
src/parser.c
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@ -306,8 +306,7 @@ BOOL get_supported_locales(const char* filename)
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case LC_ATTRIBUTES:
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if (last_lcmd == NULL) {
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luprint("[a]ttributes cannot precede [l]ocale");
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}
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for(j=0; lcmd->txt[0][j] != 0; j++) {
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} else for(j=0; lcmd->txt[0][j] != 0; j++) {
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for (k=0; k<ARRAYSIZE(attr_parse); k++) {
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if (attr_parse[k].c == lcmd->txt[0][j]) {
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// Repurpose ctrl_id as an attributes mask
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@ -438,7 +437,10 @@ BOOL get_loc_data_file(const char* filename, loc_cmd* lcmd)
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goto out;
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}
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fseek(fd, offset, SEEK_SET);
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if (fseek(fd, offset, SEEK_SET) != 0) {
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uprintf("localization: could not rewind\n");
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goto out;
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}
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do { // custom readline handling for string collation, realloc, line numbers, etc.
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c = getc(fd);
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@ -547,7 +549,10 @@ BOOL get_loc_data_file(const char* filename, loc_cmd* lcmd)
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out:
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// Don't close on a reentrant call
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if (reentrant) {
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fseek(fd, cur_offset, SEEK_SET);
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if ((cur_offset < 0) || (fseek(fd, cur_offset, SEEK_SET) != 0)) {
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uprintf("localization: unable to reset reentrant position\n");
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ret = FALSE;
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}
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loc_line_nr = old_loc_line_nr;
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} else if (fd != NULL) {
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fclose(fd);
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@ -718,7 +723,7 @@ static __inline char* get_sanitized_token_data_buffer(const char* token, unsigne
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size_t i;
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char* data = get_token_data_buffer(token, n, buffer, buffer_size);
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if (data != NULL) {
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for (i=0; i<safe_strlen(data); i++) {
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for (i=0; i<strlen(data); i++) {
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if ((data[i] == '\\') && (data[i+1] == 'n')) {
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data[i] = '\r';
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data[i+1] = '\n';
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@ -821,7 +826,10 @@ char* insert_section_data(const char* filename, const char* section, const char*
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goto out;
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}
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// Check the input file's BOM and create an output file with the same
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fread(&bom, sizeof(bom), 1, fd_in);
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if (fread(&bom, sizeof(bom), 1, fd_in) != 1) {
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uprintf("Could not read file '%s'\n", filename);
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goto out;
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}
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switch(bom) {
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case 0xFEFF:
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mode = 2; // UTF-16 (LE)
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@ -897,8 +905,9 @@ out:
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if (fd_in != NULL) fclose(fd_in);
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if (fd_out != NULL) fclose(fd_out);
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}
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}
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_wunlink(wtmpname);
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}
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if (wtmpname != NULL)
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_wunlink(wtmpname);
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safe_free(wfilename);
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safe_free(wtmpname);
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safe_free(wsection);
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@ -957,7 +966,10 @@ char* replace_in_token_data(const char* filename, const char* token, const char*
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goto out;
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}
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// Check the input file's BOM and create an output file with the same
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fread(&bom, sizeof(bom), 1, fd_in);
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if (fread(&bom, sizeof(bom), 1, fd_in) != 1) {
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uprintf("Could not read file '%s'\n", filename);
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goto out;
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}
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switch(bom) {
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case 0xFEFF:
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mode = 2; // UTF-16 (LE)
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@ -1045,7 +1057,8 @@ out:
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if (fd_out != NULL) fclose(fd_out);
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}
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}
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_wunlink(wtmpname);
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if (wtmpname != NULL)
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_wunlink(wtmpname);
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safe_free(wfilename);
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safe_free(wtmpname);
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safe_free(wtoken);
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10
src/rufus.c
10
src/rufus.c
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@ -130,6 +130,7 @@ char msgbox[1024], msgbox_title[32];
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/*
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* Globals
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*/
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OPEN_LIBRARIES_TRACKING_VARS;
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HINSTANCE hMainInstance;
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HWND hMainDialog;
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char szFolderPath[MAX_PATH], app_dir[MAX_PATH];
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@ -779,7 +780,7 @@ static BOOL GetUSBDevices(DWORD devnum)
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devint_detail_data = (PSP_DEVICE_INTERFACE_DETAIL_DATA_A)calloc(1, size);
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if (devint_detail_data == NULL) {
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uprintf("Unable to allocate data for SP_DEVICE_INTERFACE_DETAIL_DATA\n");
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return FALSE;
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continue;
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}
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devint_detail_data->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_A);
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} else {
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@ -979,7 +980,7 @@ void UpdateProgress(int op, float percent)
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{
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int pos;
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if ((op < 0) || (op > OP_MAX)) {
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if ((op < 0) || (op >= OP_MAX)) {
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duprintf("UpdateProgress: invalid op %d\n", op);
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return;
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}
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@ -1649,7 +1650,7 @@ void InitDialog(HWND hDlg)
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CheckDlgButton(hDlg, IDC_SET_ICON, BST_CHECKED);
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// Load system icons (NB: Use the excellent http://www.nirsoft.net/utils/iconsext.html to find icon IDs)
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hDllInst = LoadLibraryA("shell32.dll");
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hDllInst = GetDLLHandle("shell32.dll");
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hIconDisc = (HICON)LoadImage(hDllInst, MAKEINTRESOURCE(12), IMAGE_ICON, s16, s16, LR_DEFAULTCOLOR|LR_SHARED);
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hIconLang = (HICON)LoadImage(hDllInst, MAKEINTRESOURCE(244), IMAGE_ICON, s16, s16, LR_DEFAULTCOLOR|LR_SHARED);
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if (nWindowsVersion >= WINDOWS_VISTA) {
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@ -2461,7 +2462,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
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IGNORE_RETVAL(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED));
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// Some dialogs have Rich Edit controls and won't display without this
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if (LoadLibraryA("Riched20.dll") == NULL) {
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if (GetDLLHandle("Riched20.dll") == NULL) {
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uprintf("Could not load RichEdit library - some dialogs may not display: %s\n", WindowsErrorString());
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}
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@ -2643,6 +2644,7 @@ out:
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if (attached_console)
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DetachConsole();
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CloseHandle(mutex);
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OPEN_LIBRARIES_CLOSE_ALL;
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uprintf("*** " APPLICATION_NAME " exit ***\n");
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#ifdef _CRTDBG_MAP_ALLOC
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_CrtDumpMemoryLeaks();
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16
src/rufus.h
16
src/rufus.h
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@ -400,11 +400,23 @@ extern void StrArrayDestroy(StrArray* arr);
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* pfFormatEx = (FormatEx_t) GetProcAddress(GetDLLHandle("fmifs"), "FormatEx");
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* to make it accessible.
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*/
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#define MAX_LIBRARY_HANDLES 32
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extern HMODULE OpenLibraryHandle[MAX_LIBRARY_HANDLES];
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extern uint16_t OpenLibraryHandleSize;
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#define OPEN_LIBRARIES_TRACKING_VARS HMODULE OpenLibraryHandle[MAX_LIBRARY_HANDLES]; uint16_t OpenLibraryHandleSize = 0
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#define OPEN_LIBRARIES_CLOSE_ALL while(OpenLibraryHandleSize > 0) FreeLibrary(OpenLibraryHandle[--OpenLibraryHandleSize])
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static __inline HMODULE GetDLLHandle(char* szDLLName)
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{
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HMODULE h = NULL;
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if ((h = GetModuleHandleA(szDLLName)) == NULL)
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h = LoadLibraryA(szDLLName);
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if ((h = GetModuleHandleA(szDLLName)) == NULL) {
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if (OpenLibraryHandleSize >= MAX_LIBRARY_HANDLES) {
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uprintf("Error: MAX_LIBRARY_HANDLES is too small\n");
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} else {
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h = LoadLibraryA(szDLLName);
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if (h != NULL)
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OpenLibraryHandle[OpenLibraryHandleSize++] = h;
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}
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}
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return h;
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}
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#define PF_DECL(proc) proc##_t pf##proc = NULL
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12
src/rufus.rc
12
src/rufus.rc
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@ -32,7 +32,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
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IDD_DIALOG DIALOGEX 12, 12, 206, 329
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STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | DS_CENTER | WS_POPUP | WS_CAPTION | WS_SYSMENU
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CAPTION "Rufus 1.4.7.460"
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CAPTION "Rufus 1.4.7.461"
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FONT 8, "MS Shell Dlg", 400, 0, 0x1
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BEGIN
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DEFPUSHBUTTON "Start",IDC_START,94,291,50,14
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@ -165,7 +165,7 @@ END
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RTL_IDD_DIALOG DIALOGEX 12, 12, 206, 329
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STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | DS_CENTER | WS_POPUP | WS_CAPTION | WS_SYSMENU
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EXSTYLE WS_EX_RTLREADING | WS_EX_APPWINDOW | WS_EX_LAYOUTRTL
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CAPTION "Rufus 1.4.7.460"
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CAPTION "Rufus 1.4.7.461"
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FONT 8, "MS Shell Dlg", 400, 0, 0x1
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BEGIN
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DEFPUSHBUTTON "Start",IDC_START,94,291,50,14
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@ -427,8 +427,8 @@ END
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//
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VS_VERSION_INFO VERSIONINFO
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FILEVERSION 1,4,7,460
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PRODUCTVERSION 1,4,7,460
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FILEVERSION 1,4,7,461
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PRODUCTVERSION 1,4,7,461
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FILEFLAGSMASK 0x3fL
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#ifdef _DEBUG
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FILEFLAGS 0x1L
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@ -445,13 +445,13 @@ BEGIN
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BEGIN
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VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
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VALUE "FileDescription", "Rufus"
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VALUE "FileVersion", "1.4.7.460"
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VALUE "FileVersion", "1.4.7.461"
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VALUE "InternalName", "Rufus"
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VALUE "LegalCopyright", "© 2011-2014 Pete Batard (GPL v3)"
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VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
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VALUE "OriginalFilename", "rufus.exe"
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VALUE "ProductName", "Rufus"
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VALUE "ProductVersion", "1.4.7.460"
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VALUE "ProductVersion", "1.4.7.461"
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END
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END
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BLOCK "VarFileInfo"
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|
|
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@ -39,7 +39,7 @@ BOOL is_x64(void)
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// Detect if we're running a 32 or 64 bit system
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if (sizeof(uintptr_t) < 8) {
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pIsWow64Process = (BOOL (__stdcall *)(HANDLE, PBOOL))
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GetProcAddress(GetModuleHandleA("KERNEL32"), "IsWow64Process");
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GetProcAddress(GetDLLHandle("KERNEL32"), "IsWow64Process");
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if (pIsWow64Process != NULL) {
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(*pIsWow64Process)(GetCurrentProcess(), &ret);
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}
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|
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@ -47,14 +47,14 @@ static HRESULT (WINAPI *pSHCreateItemFromParsingName)(PCWSTR, IBindCtx*, REFIID,
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#endif
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#define INIT_VISTA_SHELL32 if (pSHCreateItemFromParsingName == NULL) { \
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pSHCreateItemFromParsingName = (HRESULT (WINAPI *)(PCWSTR, IBindCtx*, REFIID, void **)) \
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GetProcAddress(GetModuleHandleA("SHELL32"), "SHCreateItemFromParsingName"); \
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GetProcAddress(GetDLLHandle("SHELL32"), "SHCreateItemFromParsingName"); \
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}
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||||
#define IS_VISTA_SHELL32_AVAILABLE (pSHCreateItemFromParsingName != NULL)
|
||||
// And this one is simply not available in MinGW32
|
||||
static LPITEMIDLIST (WINAPI *pSHSimpleIDListFromPath)(PCWSTR pszPath) = NULL;
|
||||
#define INIT_XP_SHELL32 if (pSHSimpleIDListFromPath == NULL) { \
|
||||
pSHSimpleIDListFromPath = (LPITEMIDLIST (WINAPI *)(PCWSTR)) \
|
||||
GetProcAddress(GetModuleHandleA("SHELL32"), "SHSimpleIDListFromPath"); \
|
||||
GetProcAddress(GetDLLHandle("SHELL32"), "SHSimpleIDListFromPath"); \
|
||||
}
|
||||
|
||||
/* Globals */
|
||||
|
|
|
|||
|
|
@ -192,6 +192,7 @@ static BOOL WimExtractFile_7z(const char* image, int index, const char* src, con
|
|||
uprintf(" 7z.exe did not extract %s\n", tmpdst);
|
||||
return FALSE;
|
||||
}
|
||||
// coverity[toctou]
|
||||
if (rename(tmpdst, dst) != 0) {
|
||||
uprintf(" Could not rename %s to %s\n", tmpdst, dst);
|
||||
return FALSE;
|
||||
|
|
|
|||
Loading…
Reference in a new issue