FreeCalypso > hg > freecalypso-tools
view loadtools/initscript.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 | e7502631a0f9 |
children |
line wrap: on
line source
/* * This module has been copied from ltscript.c, ltdispatch.c and ltpassthru.c: * here we implement the init-script functionality for fc-xram. */ #include <sys/param.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> extern char default_helpers_dir[]; extern int cmd_baud(); static loadagent_cmd(argc, argv) char **argv; { if (tpinterf_make_cmd(argv) < 0) { fprintf(stderr, "error: unable to form target command\n"); return(-1); } if (tpinterf_send_cmd() < 0) return(-1); return tpinterf_pass_output(1); } static struct cmdtab { char *cmd; int minargs; int maxargs; int (*func)(); } cmdtab[] = { {"baud", 1, 1, cmd_baud}, {"w8", 2, 2, loadagent_cmd}, {"w16", 2, 2, loadagent_cmd}, {"w32", 2, 2, loadagent_cmd}, {0, 0, 0, 0} }; static dispatch_cmd(cmd) char *cmd; { char *argv[10]; char *cp, **ap; struct cmdtab *tp; for (cp = cmd; isspace(*cp); cp++) ; if (!*cp || *cp == '#') return(0); printf("init-script command: %s\n", cp); argv[0] = cp; while (*cp && !isspace(*cp)) cp++; if (*cp) *cp++ = '\0'; for (tp = cmdtab; tp->cmd; tp++) if (!strcmp(tp->cmd, argv[0])) break; if (!tp->func) { fprintf(stderr, "error: no such command\n"); return(-1); } for (ap = argv + 1; ; ) { while (isspace(*cp)) cp++; if (!*cp || *cp == '#') break; if (ap - argv - 1 >= tp->maxargs) { fprintf(stderr, "error: too many arguments\n"); return(-1); } *ap++ = cp; while (*cp && !isspace(*cp)) cp++; if (*cp) *cp++ = '\0'; } if (ap - argv - 1 < tp->minargs) { fprintf(stderr, "error: too few arguments\n"); return(-1); } *ap = 0; return tp->func(ap - argv, argv); } exec_init_script(script_name) char *script_name; { char pathbuf[MAXPATHLEN], *openfname; FILE *f; char linebuf[512], *cp; int lineno, retval = 0; if (index(script_name, '/')) openfname = script_name; else { sprintf(pathbuf, "%s/%s", default_helpers_dir, script_name); openfname = pathbuf; } f = fopen(openfname, "r"); if (!f) { perror(openfname); return(-1); } for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) { cp = index(linebuf, '\n'); if (!cp) { fprintf(stderr, "%s line %d: missing newline\n", openfname, lineno); fclose(f); return(-1); } *cp = '\0'; retval = dispatch_cmd(linebuf); if (retval) break; } fclose(f); return(retval); }