FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/memdump.c @ 921:74d284add54d
fc-fsio: guard against bogus readdir results from the target
If the FFS being operated on contains SE K2x0 extended filenames,
readdir will return strings that are bad for printing. We need to
guard against this possibility, and also against possible other
bogosity that could be sent by other alien firmwares.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 31 Dec 2022 22:55:23 +0000 |
parents | e40bb5a6c6b9 |
children |
line wrap: on
line source
/* * This utility uses one of TI's Test Mode memory read commands (either TM3 or * ETM) in a synchronous manner (using our etmsync infrastructure) to read the * memory of a GSM device running a compatible fw version. It supplants * the former fc-olddump tool. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <unistd.h> #include "etm.h" #include "tm3.h" #include "localtypes.h" #include "exitcodes.h" int use_etm; extern char *socket_pathname; extern char *rvinterf_ttyport, *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt; single_op_main(argc, argv) char **argv; { u32 addr, len, chunk, maxchunk; char buf[MAX_MEMREAD_BYTES]; FILE *outf; int rc; if (argc != 3) { fprintf(stderr, "usage: fc-memdump [options] start-addr dump-length binfile\n"); exit(ERROR_USAGE); } addr = strtoul(argv[0], 0, 16); len = strtoul(argv[1], 0, 16); outf = fopen(argv[2], "w"); if (!outf) { perror(argv[2]); exit(ERROR_UNIX); } if (use_etm) maxchunk = MAX_MEMREAD_BYTES; else maxchunk = TM3_MEMREAD_MAX; while (len) { chunk = len; if (chunk > maxchunk) chunk = maxchunk; if (use_etm) rc = do_memory_read(addr, buf, chunk); else rc = do_memory_read_tm3(addr, buf, chunk); if (rc) exit(rc); fwrite(buf, 1, chunk, outf); putchar('.'); fflush(stdout); addr += chunk; len -= chunk; } putchar('\n'); fclose(outf); exit(0); } main(argc, argv) char **argv; { extern int optind; extern char *optarg; int c, sopt = 0; while ((c = getopt(argc, argv, "B:el:p:s:w:")) != EOF) switch (c) { case 'B': rvinterf_Bopt = optarg; continue; case 'e': use_etm++; continue; case 'l': rvinterf_lopt = optarg; continue; case 'p': rvinterf_ttyport = optarg; continue; case 's': socket_pathname = optarg; sopt++; continue; case 'w': rvinterf_wopt = optarg; continue; case '?': default: /* error msg already printed */ exit(ERROR_USAGE); } if (rvinterf_ttyport) { if (sopt) { fprintf(stderr, "%s error: -p and -s options are mutually exclusive\n", argv[0]); exit(ERROR_USAGE); } launch_rvinterf(1); } else { if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) { fprintf(stderr, "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n", argv[0]); exit(ERROR_USAGE); } connect_local_socket(); } return single_op_main(argc - optind, argv + optind); }