diff options
Diffstat (limited to 'base/gp_os2pr.c')
| -rw-r--r-- | base/gp_os2pr.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/base/gp_os2pr.c b/base/gp_os2pr.c index f852c71f..ba54cde6 100644 --- a/base/gp_os2pr.c +++ b/base/gp_os2pr.c @@ -107,9 +107,20 @@ os2_printer_fopen(gx_io_device * iodev, const char *fname, const char *access, FILE ** pfile, char *rfname, uint rnamelen) { os2_printer_t *pr = (os2_printer_t *)iodev->state; - char driver_name[256]; + char driver_name[gp_file_name_sizeof]; gs_lib_ctx_t *ctx = mem->gs_lib_ctx; gs_fs_list_t *fs = ctx->core->fs; + const size_t preflen = strlen(iodev->dname); + const int size_t = strlen(fname); + + if (preflen + nlen >= gp_file_name_sizeof) + return_error(gs_error_invalidaccess); + + memcpy(driver_name, iodev->dname, preflen); + memcpy(driver_name + preflen, fname, nlen + 1); + + if (gp_validate_path(mem, driver_name, access) != 0) + return gs_error_invalidfileaccess; /* First we try the open_printer method. */ /* Note that the loop condition here ensures we don't |