static void i2c_teardown(FAR struct i2ctool_s *i2ctool) { fflush(OUTSTREAM(&g_i2ctool)); #ifdef CONFIG_I2CTOOL_OUTDEV fclose(i2ctool->ss_outstream); #endif }
int i2ctool_printf(FAR struct i2ctool_s *i2ctool, const char *fmt, ...) { va_list ap; int ret; va_start(ap, fmt); ret = vfprintf(OUTSTREAM(i2ctool), fmt, ap); va_end(ap); return ret; }
ssize_t i2ctool_write(FAR struct i2ctool_s *i2ctool, FAR const void *buffer, size_t nbytes) { ssize_t ret; /* Write the data to the output stream */ ret = fwrite(buffer, 1, nbytes, OUTSTREAM(i2ctool)); if (ret < 0) { dbg("[%d] Failed to send buffer: %d\n", OUTFD(i2ctool), errno); } return ret; }
void i2ctool_flush(FAR struct i2ctool_s *i2ctool) { fflush(OUTSTREAM(i2ctool)); }
int nsh_session(FAR struct console_stdio_s *pstate) { FAR struct nsh_vtbl_s *vtbl; int ret; DEBUGASSERT(pstate); vtbl = &pstate->cn_vtbl; #ifdef CONFIG_NSH_CONSOLE_LOGIN /* Login User and Password Check */ if (nsh_login(pstate) != OK) { nsh_exit(vtbl, 1); return -1; /* nsh_exit does not return */ } #endif /* CONFIG_NSH_CONSOLE_LOGIN */ /* Present a greeting and possibly a Message of the Day (MOTD) */ fputs(g_nshgreeting, pstate->cn_outstream); #ifdef CONFIG_NSH_MOTD # ifdef CONFIG_NSH_PLATFORM_MOTD /* Output the platform message of the day */ platform_motd(vtbl->iobuffer, IOBUFFERSIZE); fprintf(pstate->cn_outstream, "%s\n", vtbl->iobuffer); # else /* Output the fixed message of the day */ fprintf(pstate->cn_outstream, "%s\n", g_nshmotd); # endif #endif fflush(pstate->cn_outstream); /* Execute the login script */ #ifdef CONFIG_NSH_ROMFSRC (void)nsh_loginscript(vtbl); #endif /* Then enter the command line parsing loop */ for (;;) { /* For the case of debugging the USB console... dump collected USB trace data */ #ifdef CONFIG_NSH_USBDEV_TRACE nsh_usbtrace(); #endif /* Display the prompt string */ fputs(g_nshprompt, pstate->cn_outstream); fflush(pstate->cn_outstream); /* Get the next line of input. readline() returns EOF on end-of-file * or any read failure. */ #ifdef CONFIG_NSH_CLE ret = cle(pstate->cn_line, CONFIG_NSH_LINELEN, INSTREAM(pstate), OUTSTREAM(pstate)); #else ret = readline(pstate->cn_line, CONFIG_NSH_LINELEN, INSTREAM(pstate), OUTSTREAM(pstate)); #endif if (ret != EOF) { /* Parse process the command */ (void)nsh_parse(vtbl, pstate->cn_line); fflush(pstate->cn_outstream); } /* Readline normally returns the number of characters read, * but will return EOF on end of file or if an error occurs. * EOF will cause the session to terminate. */ else { fprintf(pstate->cn_outstream, g_fmtcmdfailed, "nsh_session", "readline", NSH_ERRNO_OF(-ret)); return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE; } } /* We do not get here, but this is necessary to keep some compilers happy. * But others will complain that this code is not reachable. */ return EXIT_SUCCESS; }
int nsh_login(FAR struct console_stdio_s *pstate) { char username[16]; char password[16]; int ret; int i; /* Loop for the configured number of retries */ for (i = 0; i < CONFIG_NSH_LOGIN_FAILCOUNT; i++) { /* Ask for the login username */ fputs(g_userprompt, pstate->cn_outstream); fflush(pstate->cn_outstream); #ifdef CONFIG_NSH_CLE ret = cle(pstate->cn_line, CONFIG_NSH_LINELEN, INSTREAM(pstate), OUTSTREAM(pstate)); #else ret = readline(pstate->cn_line, CONFIG_NSH_LINELEN, INSTREAM(pstate), OUTSTREAM(pstate)); #endif username[0] = '\0'; if (ret != EOF) { /* Parse out the username */ nsh_token(pstate, username, sizeof(username)); } /* Ask for the login password */ fputs(g_passwordprompt, pstate->cn_outstream); fflush(pstate->cn_outstream); password[0] = '\0'; if (fgets(pstate->cn_line, CONFIG_NSH_LINELEN, INSTREAM(pstate)) != NULL) { /* Parse out the password */ nsh_token(pstate, password, sizeof(password)); /* Verify the username and password */ #if defined(CONFIG_NSH_LOGIN_PASSWD) ret = passwd_verify(username, password); if (PASSWORD_VERIFY_MATCH(ret)) #elif defined(CONFIG_NSH_LOGIN_PLATFORM) ret = platform_user_verify(username, password); if (PASSWORD_VERIFY_MATCH(ret)) #elif defined(CONFIG_NSH_LOGIN_FIXED) if (strcmp(password, CONFIG_NSH_LOGIN_PASSWORD) == 0 && strcmp(username, CONFIG_NSH_LOGIN_USERNAME) == 0) #else # error No user verification method selected #endif { fputs(g_loginsuccess, pstate->cn_outstream); fflush(pstate->cn_outstream); return OK; } else { fputs(g_badcredentials, pstate->cn_outstream); fflush(pstate->cn_outstream); #if CONFIG_NSH_LOGIN_FAILDELAY > 0 usleep(CONFIG_NSH_LOGIN_FAILDELAY * 1000L); #endif } } } /* Too many failed login attempts */ fputs(g_loginfailure, pstate->cn_outstream); fflush(pstate->cn_outstream); return -1; }
int nsh_consolemain(int argc, char *argv[]) { FAR struct console_stdio_s *pstate = nsh_newconsole(); int ret; DEBUGASSERT(pstate); /* If we are using a USB serial console, then we will have to wait for the * USB to be connected to the host. */ #ifdef HAVE_USB_CONSOLE ret = nsh_usbconsole(); DEBUGASSERT(ret == OK); #endif /* Present a greeting */ fputs(g_nshgreeting, pstate->cn_outstream); fflush(pstate->cn_outstream); /* Execute the startup script */ #ifdef CONFIG_NSH_ROMFSETC (void)nsh_script(&pstate->cn_vtbl, "init", NSH_INITPATH); #endif /* Then enter the command line parsing loop */ for (;;) { /* For the case of debugging the USB console... dump collected USB trace data */ nsh_usbtrace(); /* Display the prompt string */ fputs(g_nshprompt, pstate->cn_outstream); fflush(pstate->cn_outstream); /* Get the next line of input */ ret = readline(pstate->cn_line, CONFIG_NSH_LINELEN, INSTREAM(pstate), OUTSTREAM(pstate)); if (ret > 0) { /* Parse process the command */ (void)nsh_parse(&pstate->cn_vtbl, pstate->cn_line); fflush(pstate->cn_outstream); } /* Readline normally returns the number of characters read, * but will return 0 on end of file or a negative value * if an error occurs. Either will cause the session to * terminate. */ else { fprintf(pstate->cn_outstream, g_fmtcmdfailed, "nsh_consolemain", "readline", NSH_ERRNO_OF(-ret)); nsh_exit(&pstate->cn_vtbl, 1); } } /* Clean up. We do not get here, but this is necessary to keep some * compilers happy. But others will complain that this code is not * reachable. */ nsh_exit(&pstate->cn_vtbl, 0); return OK; }