FreeCalypso > hg > freecalypso-tools
view librftab/readtxramp.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 | a0f79bba0ad8 |
children |
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/* * Reading Tx ramp templates from formatted ASCII files, used for the ttw * command in fc-tmsh. */ #include <sys/types.h> #include <ctype.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> #include "../rvinterf/include/exitcodes.h" #include "rdcommon.c" static u_char *writeptr; static process_txramp_number() { char *field; int rc; u_long number; rc = get_field(&field); if (rc < 0) return(ERROR_USAGE); if (!rc) { printf("error: %s is too short for a Tx ramp template\n", filename); return(ERROR_USAGE); } number = strtoul(field, 0, 0); *writeptr++ = number; return(0); } static read_txramp_16num() { int i, rc; for (i = 0; i < 16; i++) { rc = process_txramp_number(); if (rc) return(rc); } return(0); } read_tx_ramp_template(filename_arg, rdbuf) char *filename_arg; u_char *rdbuf; { char *field; int rc; filename = filename_arg; rdfile = fopen(filename, "r"); if (!rdfile) { perror(filename); return(ERROR_UNIX); } lineno = 0; line_nfields = 0; rc = get_field(&field); if (rc <= 0) { not_valid_ramp_file: printf("error: %s is not a valid Tx ramp template file\n", filename); fclose(rdfile); return(ERROR_USAGE); } if (strcmp(field, "ramp-up")) goto not_valid_ramp_file; writeptr = rdbuf; rc = read_txramp_16num(); if (rc) { fclose(rdfile); return(rc); } rc = get_field(&field); if (rc <= 0) goto not_valid_ramp_file; if (strcmp(field, "ramp-down")) goto not_valid_ramp_file; rc = read_txramp_16num(); if (rc) { fclose(rdfile); return(rc); } rc = get_field(&field); fclose(rdfile); if (rc < 0) return(ERROR_USAGE); if (rc) { printf("error: %s is too long for a Tx ramp template\n", filename); return(ERROR_USAGE); } return(0); }