diff options
Diffstat (limited to 'util/nvmutil/state.c')
| -rw-r--r-- | util/nvmutil/state.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/util/nvmutil/state.c b/util/nvmutil/state.c deleted file mode 100644 index ccc07890..00000000 --- a/util/nvmutil/state.c +++ /dev/null @@ -1,192 +0,0 @@ -/* SPDX-License-Identifier: MIT - * - * Copyright (c) 2022-2026 Leah Rowe <leah@libreboot.org> - * - * This tool lets you modify Intel GbE NVM (Gigabit Ethernet - * Non-Volatile Memory) images, e.g. change the MAC address. - * These images configure your Intel Gigabit Ethernet adapter. - * - * This code is designed to be portable, running on as many - * Unix and Unix-like systems as possible (mainly BSD/Linux). - * - * Recommended CFLAGS for Clang/GCC: - * - * -Os -Wall -Wextra -Werror -pedantic -std=c90 - */ - -#ifdef __OpenBSD__ -#include <sys/param.h> -#endif -#include <sys/types.h> -#include <sys/stat.h> - -#include <errno.h> -#include <fcntl.h> -#include <limits.h> -#include <stdarg.h> -#include <stddef.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <unistd.h> - -#include "include/common.h" - -/* - * Program state/command table - * Default config stored here, - * and copied to a newly allocated - * buffer in memory, then the pointer - * is passed. The rest of the program - * will manipulate this data. - */ -/* -TODO: -eventually, i will not have this return -a pointer at all. instead, a similar key -mechanism will be used for other access -functions e.g. word/set_word, err(needs -to clean up), and so on. then those -would return values if already initialised, -but would not permit additional init - will -decide exactly how to implement this at a -later state. - -this is part of an ongoing effort to introduce -extreme memory safety into this program. - */ -struct xstate * -xstatus(void) -{ - static int first_run = 1; - - static struct xstate us = { - /* .cmd (update cmd[] in the struct if adding to it) - DO NOT FORGET. or C will init zeroes/NULLs */ - - /* cmd[] members */ - /* DO NOT MESS THIS UP */ - /* items must be set *exactly* */ - { - { - CMD_DUMP, "dump", cmd_helper_dump, ARGC_3, - ARG_NOPART, - SKIP_CHECKSUM_READ, SKIP_CHECKSUM_WRITE, - NVM_SIZE, O_RDONLY - }, { - CMD_SETMAC, "setmac", cmd_helper_setmac, ARGC_3, - ARG_NOPART, - CHECKSUM_READ, CHECKSUM_WRITE, - NVM_SIZE, O_RDWR - }, { - CMD_SWAP, "swap", cmd_helper_swap, ARGC_3, - ARG_NOPART, - CHECKSUM_READ, SKIP_CHECKSUM_WRITE, - GBE_PART_SIZE, O_RDWR - }, { - CMD_COPY, "copy", cmd_helper_copy, ARGC_4, - ARG_PART, - CHECKSUM_READ, SKIP_CHECKSUM_WRITE, - GBE_PART_SIZE, O_RDWR - }, { - CMD_CAT, "cat", cmd_helper_cat, ARGC_3, - ARG_NOPART, - CHECKSUM_READ, SKIP_CHECKSUM_WRITE, - GBE_PART_SIZE, O_RDONLY - }, { - CMD_CAT16, "cat16", cmd_helper_cat16, ARGC_3, - ARG_NOPART, - CHECKSUM_READ, SKIP_CHECKSUM_WRITE, - GBE_PART_SIZE, O_RDONLY - }, { - CMD_CAT128, "cat128", cmd_helper_cat128, ARGC_3, - ARG_NOPART, - CHECKSUM_READ, SKIP_CHECKSUM_WRITE, - GBE_PART_SIZE, O_RDONLY - } - }, - - /* ->mac */ - {NULL, "xx:xx:xx:xx:xx:xx", {0, 0, 0}}, /* .str, .rmac, .mac_buf */ - - /* .f */ - {0}, - - /* .argv0 (for our getprogname implementation) */ - NULL, - - /* ->i (index to cmd[]) */ - 0, - - /* .no_cmd (set 0 when a command is found) */ - 1, - - /* .xsize (size of the stuct will be stored here later) */ - 0, - - /* .cat (cat helpers set this) */ - -1 - - }; - - if (!first_run) - return &us; - - first_run = 0; - - us.xsize = sizeof(us); - - us.f.buf = us.f.real_buf; - - us.f.gbe_fd = -1; - us.f.tmp_fd = -1; - - us.f.tname = NULL; - us.f.fname = NULL; - - return &us; -} - -int -exit_cleanup(void) -{ - struct xstate *x = xstatus(); - struct xfile *f; - - int close_err; - int saved_errno; - - close_err = 0; - saved_errno = errno; - - if (x != NULL) { - f = &x->f; - - if (f->gbe_fd > -1) { - if (x_i_close(f->gbe_fd) == -1) - close_err = 1; - f->gbe_fd = -1; - } - - if (f->tmp_fd > -1) { - if (x_i_close(f->tmp_fd) == -1) - close_err = 1; - } - - if (f->tname != NULL) { - if (unlink(f->tname) == -1) - close_err = 1; - } - - f->tmp_fd = -1; - } - - if (saved_errno) - errno = saved_errno; - - if (close_err) - return -1; - - return 0; -} |