FreeCalypso > hg > freecalypso-tools
view loadtools/buzplaybu.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 | 7ade15d4e0cb |
children |
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/* * fc-buzplay: this module implements the legacy BU mode. */ #include <sys/types.h> #include <ctype.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> buzplay_bu_file(filename) char *filename; { FILE *f; char linebuf[256], *cp, *num1, *num2; int lineno; char *targv[4]; u_long n1, n2, total_ms; int rc, timeout; f = fopen(filename, "r"); if (!f) { perror(filename); return(-1); } printf("Uploading the melody to the target\n"); targv[0] = "I"; targv[1] = 0; tpinterf_make_cmd(targv); if (tpinterf_send_cmd() < 0) { fclose(f); return(-1); } rc = tpinterf_pass_output(1); if (rc) { fclose(f); return(rc); } targv[0] = "E"; targv[3] = 0; total_ms = 0; for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) { cp = index(linebuf, '\n'); if (!cp) { fprintf(stderr, "%s line %d: missing newline\n", filename, lineno); fclose(f); return(-1); } for (cp = linebuf; isspace(*cp); cp++) ; if (*cp == '\0' || *cp == '#') continue; if (!isdigit(*cp)) { inv: fprintf(stderr, "%s line %d: unexpected content\n", filename, lineno); fclose(f); return(-1); } for (num1 = cp; *cp && !isspace(*cp); cp++) if (!isdigit(*cp)) goto inv; if (isspace(*cp)) *cp++ = '\0'; while (isspace(*cp)) cp++; if (!isdigit(*cp)) goto inv; for (num2 = cp; *cp && !isspace(*cp); cp++) if (!isdigit(*cp)) goto inv; if (isspace(*cp)) *cp++ = '\0'; while (isspace(*cp)) cp++; if (*cp != '\0' && *cp != '#') goto inv; n1 = strtoul(num1, 0, 10); n2 = strtoul(num2, 0, 10); if (n1 > 255) { fprintf(stderr, "%s line %d: the tone number is out of range\n", filename, lineno); fclose(f); return(-1); } if (n2 < 1 || n2 > 0xFFFF) { fprintf(stderr, "%s line %d: the duration number is out of range\n", filename, lineno); fclose(f); return(-1); } /* send it to the target */ targv[1] = num1; targv[2] = num2; tpinterf_make_cmd(targv); if (tpinterf_send_cmd() < 0) { fclose(f); return(-1); } rc = tpinterf_pass_output(1); if (rc) { fclose(f); return(rc); } /* account for the duration */ total_ms += n2 * 5; } fclose(f); if (!total_ms) { fprintf(stderr, "%s is empty!\n", filename); return(-1); } printf("Requesting play of the uploaded melody on the target\n"); targv[0] = "P"; targv[1] = 0; tpinterf_make_cmd(targv); if (tpinterf_send_cmd() < 0) return(-1); timeout = total_ms / 1000 + 2; return tpinterf_pass_output(timeout); } cmd_play_bu(argc, argv) char **argv; { buzplay_bu_file(argv[1]); }