diff options
Diffstat (limited to 'usr.sbin/ndiscvt/ndiscvt.c')
| -rw-r--r-- | usr.sbin/ndiscvt/ndiscvt.c | 430 |
1 files changed, 0 insertions, 430 deletions
diff --git a/usr.sbin/ndiscvt/ndiscvt.c b/usr.sbin/ndiscvt/ndiscvt.c deleted file mode 100644 index 5de7519..0000000 --- a/usr.sbin/ndiscvt/ndiscvt.c +++ /dev/null @@ -1,430 +0,0 @@ -/* - * Copyright (c) 2003 - * Bill Paul <wpaul@windriver.com>. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Bill Paul. - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <sys/queue.h> -#include <sys/socket.h> -#include <net/if.h> -#include <stdlib.h> -#include <stddef.h> -#include <unistd.h> -#include <stdio.h> -#include <errno.h> -#include <string.h> -#include <libgen.h> -#include <err.h> -#include <ctype.h> - -#include <compat/ndis/pe_var.h> - -#include "inf.h" - -static int insert_padding(void **, int *); -extern const char *__progname; - -/* - * Sections within Windows PE files are defined using virtual - * and physical address offsets and virtual and physical sizes. - * The physical values define how the section data is stored in - * the executable file while the virtual values describe how the - * sections will look once loaded into memory. It happens that - * the linker in the Microsoft(r) DDK will tend to generate - * binaries where the virtual and physical values are identical, - * which means in most cases we can just transfer the file - * directly to memory without any fixups. This is not always - * the case though, so we have to be prepared to handle files - * where the in-memory section layout differs from the disk file - * section layout. - * - * There are two kinds of variations that can occur: the relative - * virtual address of the section might be different from the - * physical file offset, and the virtual section size might be - * different from the physical size (for example, the physical - * size of the .data section might be 1024 bytes, but the virtual - * size might be 1384 bytes, indicating that the data section should - * actually use up 1384 bytes in RAM and be padded with zeros). What we - * do is read the original file into memory and then make an in-memory - * copy with all of the sections relocated, re-sized and zero padded - * according to the virtual values specified in the section headers. - * We then emit the fixed up image file for use by the if_ndis driver. - * This way, we don't have to do the fixups inside the kernel. - */ - -#define ROUND_DOWN(n, align) (((uintptr_t)n) & ~((align) - 1l)) -#define ROUND_UP(n, align) ROUND_DOWN(((uintptr_t)n) + (align) - 1l, \ - (align)) - -#define SET_HDRS(x) \ - dos_hdr = (image_dos_header *)x; \ - nt_hdr = (image_nt_header *)(x + dos_hdr->idh_lfanew); \ - sect_hdr = IMAGE_FIRST_SECTION(nt_hdr); - -static int -insert_padding(void **imgbase, int *imglen) -{ - image_section_header *sect_hdr; - image_dos_header *dos_hdr; - image_nt_header *nt_hdr; - image_optional_header opt_hdr; - int i = 0, sections, curlen = 0; - int offaccum = 0, oldraddr, oldrlen; - uint8_t *newimg, *tmp; - - newimg = malloc(*imglen); - - if (newimg == NULL) - return(ENOMEM); - - bcopy(*imgbase, newimg, *imglen); - curlen = *imglen; - - if (pe_get_optional_header((vm_offset_t)newimg, &opt_hdr)) - return(0); - - sections = pe_numsections((vm_offset_t)newimg); - - SET_HDRS(newimg); - - for (i = 0; i < sections; i++) { - oldraddr = sect_hdr->ish_rawdataaddr; - oldrlen = sect_hdr->ish_rawdatasize; - sect_hdr->ish_rawdataaddr = sect_hdr->ish_vaddr; - offaccum += ROUND_UP(sect_hdr->ish_vaddr - oldraddr, - opt_hdr.ioh_filealign); - offaccum += - ROUND_UP(sect_hdr->ish_misc.ish_vsize, - opt_hdr.ioh_filealign) - - ROUND_UP(sect_hdr->ish_rawdatasize, - opt_hdr.ioh_filealign); - tmp = realloc(newimg, *imglen + offaccum); - if (tmp == NULL) { - free(newimg); - return(ENOMEM); - } - newimg = tmp; - SET_HDRS(newimg); - sect_hdr += i; - bzero(newimg + sect_hdr->ish_rawdataaddr, - ROUND_UP(sect_hdr->ish_misc.ish_vsize, - opt_hdr.ioh_filealign)); - bcopy((uint8_t *)(*imgbase) + oldraddr, - newimg + sect_hdr->ish_rawdataaddr, oldrlen); - sect_hdr++; - } - - free(*imgbase); - - *imgbase = newimg; - *imglen += offaccum; - - return(0); -} - -static void -usage(void) -{ - fprintf(stderr, "Usage: %s [-O] [-i <inffile>] -s <sysfile> " - "[-n devname] [-o outfile]\n", __progname); - fprintf(stderr, " %s -f <firmfile>\n", __progname); - - exit(1); -} - -static void -bincvt(char *sysfile, char *outfile, void *img, int fsize) -{ - char *ptr; - char tname[] = "/tmp/ndiscvt.XXXXXX"; - char sysbuf[1024]; - FILE *binfp; - - mkstemp(tname); - - binfp = fopen(tname, "a+"); - if (binfp == NULL) - err(1, "opening %s failed", tname); - - if (fwrite(img, fsize, 1, binfp) != 1) - err(1, "failed to output binary image"); - - fclose(binfp); - - outfile = strdup(basename(outfile)); - if (strchr(outfile, '.')) - *strchr(outfile, '.') = '\0'; - - snprintf(sysbuf, sizeof(sysbuf), -#ifdef __i386__ - "objcopy -I binary -O elf32-i386-freebsd -B i386 %s %s.o\n", -#endif -#ifdef __amd64__ - "objcopy -I binary -O elf64-x86-64 -B i386 %s %s.o\n", -#endif - tname, outfile); - printf("%s", sysbuf); - system(sysbuf); - unlink(tname); - - ptr = tname; - while (*ptr) { - if (*ptr == '/' || *ptr == '.') - *ptr = '_'; - ptr++; - } - - snprintf(sysbuf, sizeof(sysbuf), - "objcopy --redefine-sym _binary_%s_start=ndis_%s_drv_data_start " - "--strip-symbol _binary_%s_size " - "--redefine-sym _binary_%s_end=ndis_%s_drv_data_end %s.o %s.o\n", - tname, sysfile, tname, tname, sysfile, outfile, outfile); - printf("%s", sysbuf); - system(sysbuf); - - return; -} - -static void -firmcvt(char *firmfile) -{ - char *basefile, *outfile, *ptr; - char sysbuf[1024]; - - outfile = strdup(basename(firmfile)); - basefile = strdup(outfile); - - snprintf(sysbuf, sizeof(sysbuf), -#ifdef __i386__ - "objcopy -I binary -O elf32-i386-freebsd -B i386 %s %s.o\n", -#endif -#ifdef __amd64__ - "objcopy -I binary -O elf64-x86-64 -B i386 %s %s.o\n", -#endif - firmfile, outfile); - printf("%s", sysbuf); - system(sysbuf); - - ptr = firmfile; - while (*ptr) { - if (*ptr == '/' || *ptr == '.') - *ptr = '_'; - ptr++; - } - ptr = basefile; - while (*ptr) { - if (*ptr == '/' || *ptr == '.') - *ptr = '_'; - else - *ptr = tolower(*ptr); - ptr++; - } - - snprintf(sysbuf, sizeof(sysbuf), - "objcopy --redefine-sym _binary_%s_start=%s_start " - "--strip-symbol _binary_%s_size " - "--redefine-sym _binary_%s_end=%s_end %s.o %s.o\n", - firmfile, basefile, firmfile, firmfile, - basefile, outfile, outfile); - ptr = sysbuf; - printf("%s", sysbuf); - system(sysbuf); - - snprintf(sysbuf, sizeof(sysbuf), - "ld -Bshareable -d -warn-common -o %s.ko %s.o\n", - outfile, outfile); - printf("%s", sysbuf); - system(sysbuf); - - free(basefile); - - exit(0); -} - -int -main(int argc, char *argv[]) -{ - FILE *fp, *outfp; - int i, bin = 0; - void *img; - int n, fsize, cnt; - unsigned char *ptr; - char *inffile = NULL, *sysfile = NULL; - char *outfile = NULL, *firmfile = NULL; - char *dname = NULL; - int ch; - - while((ch = getopt(argc, argv, "i:s:o:n:f:O")) != -1) { - switch(ch) { - case 'f': - firmfile = optarg; - break; - case 'i': - inffile = optarg; - break; - case 's': - sysfile = optarg; - break; - case 'o': - outfile = optarg; - break; - case 'n': - dname = optarg; - break; - case 'O': - bin = 1; - break; - default: - usage(); - break; - } - } - - if (firmfile != NULL) - firmcvt(firmfile); - - if (sysfile == NULL) - usage(); - - /* Open the .SYS file and load it into memory */ - fp = fopen(sysfile, "r"); - if (fp == NULL) - err(1, "opening .SYS file '%s' failed", sysfile); - fseek (fp, 0L, SEEK_END); - fsize = ftell (fp); - rewind (fp); - img = calloc(fsize, 1); - n = fread (img, fsize, 1, fp); - - fclose(fp); - - if (insert_padding(&img, &fsize)) { - fprintf(stderr, "section relocation failed\n"); - exit(1); - } - - if (outfile == NULL || strcmp(outfile, "-") == 0) - outfp = stdout; - else { - outfp = fopen(outfile, "w"); - if (outfp == NULL) - err(1, "opening output file '%s' failed", outfile); - } - - fprintf(outfp, "\n/*\n"); - fprintf(outfp, " * Generated from %s and %s (%d bytes)\n", - inffile == NULL ? "<notused>" : inffile, sysfile, fsize); - fprintf(outfp, " */\n\n"); - - if (dname != NULL) { - if (strlen(dname) > IFNAMSIZ) - err(1, "selected device name '%s' is " - "too long (max chars: %d)", dname, IFNAMSIZ); - fprintf (outfp, "#define NDIS_DEVNAME \"%s\"\n", dname); - fprintf (outfp, "#define NDIS_MODNAME %s\n\n", dname); - } - - if (inffile == NULL) { - fprintf (outfp, "#ifdef NDIS_REGVALS\n"); - fprintf (outfp, "ndis_cfg ndis_regvals[] = {\n"); - fprintf (outfp, "\t{ NULL, NULL, { 0 }, 0 }\n"); - fprintf (outfp, "#endif /* NDIS_REGVALS */\n"); - - fprintf (outfp, "};\n\n"); - } else { - fp = fopen(inffile, "r"); - if (fp == NULL) - err(1, "opening .INF file '%s' failed", inffile); - - - inf_parse(fp, outfp); - fclose(fp); - } - - fprintf(outfp, "\n#ifdef NDIS_IMAGE\n"); - - if (bin) { - sysfile = strdup(basename(sysfile)); - ptr = (unsigned char *)sysfile; - while (*ptr) { - if (*ptr == '.') - *ptr = '_'; - ptr++; - } - fprintf(outfp, - "\nextern unsigned char ndis_%s_drv_data_start[];\n", - sysfile); - fprintf(outfp, "static unsigned char *drv_data = " - "ndis_%s_drv_data_start;\n\n", sysfile); - bincvt(sysfile, outfile, img, fsize); - goto done; - } - - - fprintf(outfp, "\nextern unsigned char drv_data[];\n\n"); - - fprintf(outfp, "__asm__(\".data\");\n"); - fprintf(outfp, "__asm__(\".globl drv_data\");\n"); - fprintf(outfp, "__asm__(\".type drv_data, @object\");\n"); - fprintf(outfp, "__asm__(\".size drv_data, %d\");\n", fsize); - fprintf(outfp, "__asm__(\"drv_data:\");\n"); - - ptr = img; - cnt = 0; - while(cnt < fsize) { - fprintf (outfp, "__asm__(\".byte "); - for (i = 0; i < 10; i++) { - cnt++; - if (cnt == fsize) { - fprintf(outfp, "0x%.2X\");\n", ptr[i]); - goto done; - } else { - if (i == 9) - fprintf(outfp, "0x%.2X\");\n", ptr[i]); - else - fprintf(outfp, "0x%.2X, ", ptr[i]); - } - } - ptr += 10; - } - -done: - - fprintf(outfp, "#endif /* NDIS_IMAGE */\n"); - - if (fp != NULL) - fclose(fp); - fclose(outfp); - free(img); - exit(0); -} |
