FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/l1tmops.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 | 4694c7686ccd |
children |
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/* * In this module we implement the functions that access the L1TM operations * which we are going to use in fc-tmsync and fc-readcal. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "pktmux.h" #include "tm3.h" #include "l1tm.h" #include "exitcodes.h" extern u_char rvi_msg[]; extern int rvi_msg_len; do_tms(arg) { u_char cmdpkt[5]; cmdpkt[1] = TM_MODE_SET; cmdpkt[2] = arg; cmdpkt[3] = arg >> 8; etm_pkt_exch(cmdpkt, 3); if (rvi_msg[3]) { fprintf(stderr, "target error %u in response to tms\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != 5) { fprintf(stderr, "target error: tms response wrong length\n"); return(ERROR_TARGET); } return(0); } do_rfpr(index, retp) u_short *retp; { u_char cmdpkt[5]; cmdpkt[1] = RF_PARAM_READ; cmdpkt[2] = index; cmdpkt[3] = index >> 8; etm_pkt_exch(cmdpkt, 3); if (rvi_msg[3]) { fprintf(stderr, "target error %u in response to rfpr\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != 8) { fprintf(stderr, "target error: rfpr response wrong length\n"); return(ERROR_TARGET); } if (rvi_msg[4] != index) { fprintf(stderr, "target error: rfpr response wrong index\n"); return(ERROR_TARGET); } *retp = rvi_msg[5] | (rvi_msg[6] << 8); return(0); } do_rfpw(index, value) { u_char cmdpkt[7]; cmdpkt[1] = RF_PARAM_WRITE; cmdpkt[2] = index; cmdpkt[3] = index >> 8; cmdpkt[4] = value; cmdpkt[5] = value >> 8; etm_pkt_exch(cmdpkt, 5); if (rvi_msg[3]) { fprintf(stderr, "target error %u in response to rfpw\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != 6) { fprintf(stderr, "target error: rfpw response wrong length\n"); return(ERROR_TARGET); } if (rvi_msg[4] != index) { fprintf(stderr, "target error: rfpw response wrong index\n"); return(ERROR_TARGET); } return(0); } do_rftr(index, table, size) u_char *table; { u_char cmdpkt[4]; cmdpkt[1] = RF_TABLE_READ; cmdpkt[2] = index; etm_pkt_exch(cmdpkt, 2); if (rvi_msg[3]) { fprintf(stderr, "target error %u in response to rftr\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len < size + 6) { fprintf(stderr, "target error: rftr response too short\n"); return(ERROR_TARGET); } if (rvi_msg[4] != index) { fprintf(stderr, "target error: rftr response wrong index\n"); return(ERROR_TARGET); } bcopy(rvi_msg + 5, table, size); return(0); } do_ttr(index, buf) u_char *buf; { u_char cmdpkt[4]; cmdpkt[1] = TX_TEMPLATE_READ; cmdpkt[2] = index; etm_pkt_exch(cmdpkt, 2); if (rvi_msg[3]) { fprintf(stderr, "target error %u in response to ttr\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != 38) { fprintf(stderr, "target error: ttr response wrong length\n"); return(ERROR_TARGET); } if (rvi_msg[4] != index) { fprintf(stderr, "target error: ttr response wrong index\n"); return(ERROR_TARGET); } bcopy(rvi_msg + 5, buf, 32); return(0); } do_mpr(index, retp) u_short *retp; { u_char cmdpkt[5]; cmdpkt[1] = MISC_PARAM_READ; cmdpkt[2] = index; cmdpkt[3] = index >> 8; etm_pkt_exch(cmdpkt, 3); if (rvi_msg[3]) { fprintf(stderr, "target error %u in response to mpr\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len < 8) { fprintf(stderr, "target error: mpr response too short\n"); return(ERROR_TARGET); } if (rvi_msg[4] != index) { fprintf(stderr, "target error: mpr response wrong index\n"); return(ERROR_TARGET); } *retp = rvi_msg[5] | (rvi_msg[6] << 8); return(0); }