--- unace.c.orig 1998-07-01 08:29:00 UTC +++ unace.c @@ -240,6 +240,7 @@ INT read_arc_head(void) // searc INT open_archive(INT print_err) // opens archive (or volume) { CHAR av_str[80]; + unsigned int copylen; archan = open(aname, O_RDONLY | O_BINARY); // open file @@ -263,8 +264,11 @@ INT open_archive(INT print_err) sprintf(av_str, "\ncreated on %d.%d.%d by ", ts_day(adat.time_cr), ts_month(adat.time_cr), ts_year(adat.time_cr)); printf(av_str); - strncpy(av_str, mhead.AV, mhead.AV_SIZE); - av_str[mhead.AV_SIZE] = 0; + copylen = mhead.AV_SIZE; + if (copylen > 79) + copylen = 79; + strncpy(av_str, mhead.AV, copylen); + av_str[copylen] = 0; printf("%s\n\n", av_str); } comment_out("Main comment:"); // print main comment @@ -300,7 +304,7 @@ void get_next_volname(void) INT proc_vol(void) // opens volume { INT i; - CHAR s[80]; + CHAR s[PATH_MAX + 80]; // if f_allvol_pr is 2 we have -y and should never ask if ((!fileexists_insense(aname) && f_allvol_pr != 2) || !f_allvol_pr) @@ -428,7 +432,7 @@ void extract_files(int nopath, int test) if (head.HEAD_TYPE == FILE_BLK) { comment_out("File comment:"); // show file comment - ace_fname(file, &head, nopath); // get file name + ace_fname(file, &head, nopath, sizeof(file)); // get file name printf("\n%s", file); flush; dcpr_init_file(); // initialize decompression of file @@ -496,7 +500,7 @@ void list_files(int verbose) if (head.HEAD_TYPE == FILE_BLK) { ULONG ti=fhead.FTIME; - ace_fname(file, &head, verbose ? 0 : 1); // get file name + ace_fname(file, &head, verbose ? 0 : 1, sizeof(file)); // get file name size += fhead.SIZE; psize += @@ -588,7 +592,8 @@ int main(INT argc, CHAR * argv[]) init_unace(); // initialize unace - strcpy(aname, argv[arg_cnt]); // get archive name + strncpy(aname, argv[arg_cnt], sizeof(aname) - 4); // get archive name + aname[sizeof(aname) - 5] = '\0'; if (!(s = (CHAR *) strrchr(aname, DIRSEP))) s = aname; if (!strrchr(s, '.'))