FreeCalypso > hg > freecalypso-tools
view loadtools/simup.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 | 02490e26f53d |
children |
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/* * This module implements the stage in fc-simint where the sim-up * command is fed to simagent and the ATR response is parsed. */ #include <sys/types.h> #include <ctype.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> extern int sim_voltage_mode_1v8; #define MAX_ATR_BYTES 33 u_char sim_atr[MAX_ATR_BYTES]; unsigned sim_atr_len; static sim_up_callback(line) char *line; { char *cp; puts(line); if (strncmp(line, "ATR:", 4)) return(1); sim_atr_len = 0; for (cp = line + 4; *cp; cp += 3) { if (cp[0] != ' ' || !isxdigit(cp[1]) || !isxdigit(cp[2])) { fprintf(stderr, "error: invalid ATR line from simagent\n"); return(1); } if (sim_atr_len >= MAX_ATR_BYTES) { fprintf(stderr, "error: ATR from simagent is too long\n"); return(1); } sim_atr[sim_atr_len++] = decode_hex_byte(cp + 1); } return(0); } void do_sim_up() { char *targv[3]; printf("Bringing up SIM interface at %s V\n", sim_voltage_mode_1v8 ? "1.8" : "3.0"); targv[0] = "sim-up"; targv[1] = sim_voltage_mode_1v8 ? "1.8" : "3"; targv[2] = 0; tpinterf_make_cmd(targv); if (tpinterf_send_cmd() < 0) exit(1); if (tpinterf_capture_output(20, sim_up_callback)) exit(1); if (!sim_atr_len) { fprintf(stderr, "error: no ATR returned from simagent\n"); exit(1); } }