projects/pwm: pwm.c annotate

annotate pwm.c @ 27:722a45b4028b

Add define command for defining macros Macros are parsed when they are defined with the D command and can subsequently be used as arguments for other commands. Handle out of memory errors directly in tok.c.

author	Guido Berhoerster <guido+pwm@berhoerster.name>
date	Mon, 25 Sep 2017 21:21:25 +0200
parents	1b89066d992c
children	e3db02d7f1f4

rev	line source
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	1 /*
13 cf81eb0c2d5a Warn before quitting if there are unsaved changes Guido Berhoerster <guido+pwm@berhoerster.name> parents: 5 diff changeset	2 * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name>
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	3 *
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	4 * Permission is hereby granted, free of charge, to any person obtaining
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	5 * a copy of this software and associated documentation files (the
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	6 * "Software"), to deal in the Software without restriction, including
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	7 * without limitation the rights to use, copy, modify, merge, publish,
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	8 * distribute, sublicense, and/or sell copies of the Software, and to
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	9 * permit persons to whom the Software is furnished to do so, subject to
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	10 * the following conditions:
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	11 *
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	12 * The above copyright notice and this permission notice shall be included
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	13 * in all copies or substantial portions of the Software.
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	14 *
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	22 */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	23
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	24 #include "compat.h"
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	25
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	26 #ifdef HAVE_ERR_H
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	27 #include <err.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	28 #endif /* HAVE_ERR_H */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	29 #include <errno.h>
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	30 #include <fcntl.h>
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	31 #include <langinfo.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	32 #include <locale.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	33 #include <pwd.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	34 #include <stdlib.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	35 #include <stdio.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	36 #include <string.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	37 #include <pwd.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	38 #include <sys/stat.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	39 #include <time.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	40 #include <unistd.h>
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	41
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	42 #include "pwm.h"
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	43 #include "cmd.h"
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	44 #include "io.h"
27 722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	45 #include "macro.h"
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	46 #include "pwfile.h"
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	47 #include "tok.h"
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	48 #include "util.h"
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	49
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	50 static void
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	51 usage(void)
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	52 {
23 1b89066d992c Add read-only mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 22 diff changeset	53 fprintf(stderr, "usage: %s [-P file] [-R] [filename]\n", getprogname());
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	54 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	55
16 a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	56 void
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	57 pwm_err(struct pwm_ctx ctx, char fmt, ...)
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	58 {
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	59 va_list args;
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	60
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	61 free(ctx->errmsg);
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	62
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	63 if (fmt != NULL) {
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	64 va_start(args, fmt);
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	65 xvasprintf(&ctx->errmsg, fmt, args);
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	66 va_end(args);
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	67
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	68 fprintf(stderr, "%s\n", ctx->errmsg);
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	69 } else {
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	70 ctx->errmsg = NULL;
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	71 }
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	72 }
a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	73
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	74 void
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	75 pwm_block_signals(void)
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	76 {
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	77 sigset_t set;
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	78
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	79 sigemptyset(&set);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	80 sigaddset(&set, SIGINT);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	81 sigaddset(&set, SIGTERM);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	82 sigaddset(&set, SIGHUP);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	83 sigaddset(&set, SIGQUIT);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	84 if (sigprocmask(SIG_BLOCK, &set, NULL) != 0) {
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	85 err(1, "sigprocmask");
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	86 }
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	87 }
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	88
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	89 void
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	90 pwm_unblock_signals(void)
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	91 {
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	92 sigset_t set;
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	93
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	94 sigemptyset(&set);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	95 sigaddset(&set, SIGINT);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	96 sigaddset(&set, SIGTERM);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	97 sigaddset(&set, SIGHUP);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	98 sigaddset(&set, SIGQUIT);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	99 if (sigprocmask(SIG_UNBLOCK, &set, NULL) != 0) {
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	100 err(1, "sigprocmask");
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	101 }
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	102 }
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	103
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	104 static int
22 ec01c579024a Add fully interactive mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 21 diff changeset	105 run_input_loop(struct pwm_ctx *ctx)
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	106 {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	107 int retval = -1;
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	108 char prompt[8 + 2 + 1];
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	109 GetLine *gl = NULL;
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	110 char buf[PWM_LINE_MAX + 1];
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	111 int io_retval;
27 722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	112 size_t tokenc = 0;
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	113 union tok **tokenv = NULL;
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	114 int argc = 0;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	115 char **argv = NULL;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	116 struct cmd *cmd;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	117 int i;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	118
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	119 snprintf(prompt, sizeof (prompt), "%.*s> ", 8, getprogname());
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	120
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	121 pwm_block_signals();
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	122
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	123 /* initialize libtecla */
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	124 gl = new_GetLine(PWM_LINE_MAX, PWM_HISTORY_MAX);
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	125 if (gl == NULL) {
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	126 err(1, "new_GetLine");
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	127 }
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	128 gl_catch_blocked(gl);
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	129 gl_limit_history(gl, PWM_HISTORY_LINES_MAX);
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	130 /* disable default filename completion */
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	131 gl_customize_completion(gl, NULL, io_gl_complete_nothing);
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	132
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	133 for (;;) {
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	134 /* read next line */
13 cf81eb0c2d5a Warn before quitting if there are unsaved changes Guido Berhoerster <guido+pwm@berhoerster.name> parents: 5 diff changeset	135 cmd = NULL;
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	136 buf[0] = '\0';
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	137 io_retval = io_get_line(gl, prompt, 1, NULL, 0,
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	138 sizeof (buf), buf);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	139 switch (io_retval) {
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	140 case IO_OK:
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	141 break;
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	142 case IO_TRUNCATED:
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	143 /* line was truncated in non-interactive mode */
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	144 fprintf(stderr, "line too long\n");
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	145 goto out;
21 ee4d36c85287 Make EOF in interactive mode equivalent to the q command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 20 diff changeset	146 case IO_EOF:
22 ec01c579024a Add fully interactive mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 21 diff changeset	147 if (ctx->is_interactive) {
21 ee4d36c85287 Make EOF in interactive mode equivalent to the q command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 20 diff changeset	148 /* treat as "q" command */
ee4d36c85287 Make EOF in interactive mode equivalent to the q command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 20 diff changeset	149 strcpy(buf, "q\n");
ee4d36c85287 Make EOF in interactive mode equivalent to the q command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 20 diff changeset	150 io_retval = IO_OK;
ee4d36c85287 Make EOF in interactive mode equivalent to the q command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 20 diff changeset	151 break;
ee4d36c85287 Make EOF in interactive mode equivalent to the q command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 20 diff changeset	152 }
ee4d36c85287 Make EOF in interactive mode equivalent to the q command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 20 diff changeset	153 /* FALLTHORUGH */
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	154 case IO_SIGNAL:
20 efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	155 if (ctx->unsaved_changes) {
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	156 pwfile_write_autosave_file(ctx);
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	157 }
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	158 goto quit;
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	159 default:
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	160 fprintf(stderr, "unknown error\n");
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	161 goto quit;
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	162 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	163
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	164 /* tokenize line */
27 722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	165 switch (tok_tokenize(buf, &tokenc, &tokenv)) {
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	166 case TOK_ERR_UNTERMINATED_QUOTE:
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	167 fprintf(stderr, "unterminated quote\n");
22 ec01c579024a Add fully interactive mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 21 diff changeset	168 if (!ctx->is_interactive) {
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	169 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	170 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	171 goto next;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	172 case TOK_ERR_TRAILING_BACKSLASH:
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	173 fprintf(stderr, "trailing backslash\n");
22 ec01c579024a Add fully interactive mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 21 diff changeset	174 if (!ctx->is_interactive) {
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	175 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	176 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	177 goto next;
27 722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	178 case TOK_ERR_INVALID_MACRO_NAME:
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	179 fprintf(stderr, "invalid macro name\n");
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	180 if (!ctx->is_interactive) {
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	181 goto out;
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	182 }
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	183 goto next;
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	184 }
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	185
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	186 /* expand macros */
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	187 if (macro_expand_macros(ctx->macro_head, tokenc, tokenv, &argc,
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	188 &argv) != 0) {
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	189 fprintf(stderr, "undefined macro\n");
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	190 if (!ctx->is_interactive) {
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	191 goto out;
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	192 }
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	193 goto next;
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	194 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	195
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	196 if (argc == 0) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	197 /* empty line */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	198 goto next;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	199 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	200
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	201 /* find and execute the command */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	202 cmd = cmd_match(argv[0]);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	203 if (cmd == NULL) {
16 a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	204 pwm_err(ctx, "unknown command: %s", argv[0]);
22 ec01c579024a Add fully interactive mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 21 diff changeset	205 if (ctx->is_interactive) {
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	206 goto next;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	207 } else {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	208 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	209 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	210 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	211 switch (cmd->cmd_func(ctx, argc, argv)) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	212 case CMD_OK:
16 a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	213 pwm_err(ctx, NULL); /* clear error */
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	214 break;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	215 case CMD_USAGE:
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	216 fprintf(stderr, "usage: %s\n", cmd->usage);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	217 case CMD_ERR: /* FALLTHROUGH */
22 ec01c579024a Add fully interactive mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 21 diff changeset	218 if (!ctx->is_interactive) {
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	219 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	220 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	221 break;
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	222 case CMD_SIGNAL:
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	223 fprintf(stderr, "received signal, quitting\n");
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	224 case CMD_QUIT: /* FALLTHROUGH */
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	225 goto quit;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	226 }
16 a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	227 ctx->prev_cmd = cmd->full_cmd;
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	228
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	229 next:
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	230 for (i = 0; i < argc; i++) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	231 free(argv[i]);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	232 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	233 free(argv);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	234 argc = 0;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	235 argv = NULL;
27 722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	236 tok_free(tokenv);
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	237 tokenc = 0;
722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	238 tokenv = NULL;
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	239 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	240
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	241 quit:
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	242 retval = 0;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	243
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	244 out:
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	245 for (i = 0; i < argc; i++) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	246 free(argv[i]);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	247 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	248 free(argv);
27 722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	249 tok_free(tokenv);
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	250 del_GetLine(gl);
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	251
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	252 return (retval);
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	253 }
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	254
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	255 int
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	256 pwm_read_password(struct pwm_ctx *ctx, int is_new_password)
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	257 {
19 5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	258 switch (io_get_password(is_new_password ? "New Password:" :
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	259 "Password:", is_new_password ? "Confirm Password:" : NULL,
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	260 sizeof (ctx->password), ctx->password)) {
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	261 case IO_OK:
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	262 return (0);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	263 case IO_SIGNAL:
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	264 return (-2);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	265 case IO_PASSWORD_EMPTY:
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	266 pwm_err(ctx, "password must not be empty");
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	267 return (-1);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	268 case IO_PASSWORD_MISMATCH:
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	269 pwm_err(ctx, "passwords do not match");
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	270 return (-1);
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	271 default:
5c6155c8e9b6 Handle signals Guido Berhoerster <guido+pwm@berhoerster.name> parents: 18 diff changeset	272 return (-1);
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	273 }
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	274 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	275
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	276 static int
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	277 read_password_from_file(const char filename, char password,
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	278 size_t password_size)
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	279 {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	280 int retval = -1;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	281 char *buf = NULL;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	282 FILE *fp = NULL;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	283 size_t password_len = 0;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	284
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	285 buf = xmalloc(password_size);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	286
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	287 fp = fopen(filename, "r");
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	288 if (fp == NULL) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	289 warn("failed to open master password file \"%s\"", filename);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	290 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	291 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	292 if (fgets(buf, password_size, fp) == NULL) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	293 /* read error or empty file */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	294 if (ferror(fp)) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	295 /* read error */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	296 warn("failed to read master password from \"%s\"",
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	297 filename);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	298 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	299 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	300 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	301 password_len = strlen(buf);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	302 if (buf[password_len - 1] == '\n') {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	303 /* strip trailing newline */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	304 password_len--;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	305 if (password_len == 0) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	306 /* first line is empty */
5 0b1bce8db371 Prevent misleading double error message Guido Berhoerster <guido+pwm@berhoerster.name> parents: 0 diff changeset	307 fprintf(stderr, "malformed password file\n");
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	308 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	309 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	310 } else if (!feof(fp)) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	311 /* the first line was truncated, password is too long */
5 0b1bce8db371 Prevent misleading double error message Guido Berhoerster <guido+pwm@berhoerster.name> parents: 0 diff changeset	312 fprintf(stderr, "malformed password file\n");
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	313 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	314 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	315 memcpy(password, buf, password_size);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	316 retval = 0;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	317
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	318 out:
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	319 password[password_len] = '\0';
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	320
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	321 if (fp != NULL) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	322 fclose(fp);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	323 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	324 free(buf);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	325
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	326 return (retval);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	327 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	328
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	329 int
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	330 main(int argc, char *argv[])
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	331 {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	332 int status = EXIT_FAILURE;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	333 char *locale;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	334 int errflag = 0;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	335 int c;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	336 const char *master_password_filename = NULL;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	337 struct pwm_ctx ctx = { 0 };
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	338 struct passwd *passwd;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	339 FILE *fp = NULL;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	340
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	341 setprogname(argv[0]);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	342
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	343 /* set up locale and check for UTF-8 codeset */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	344 locale = setlocale(LC_ALL, "");
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	345 if (locale == NULL) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	346 errx(1, "invalid locale");
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	347 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	348 if ((strcasecmp(nl_langinfo(CODESET), "UTF-8") != 0) &&
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	349 (strcasecmp(nl_langinfo(CODESET), "UTF8") != 0)) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	350 fprintf(stderr, "pwm requires a locale with UTF-8 character "
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	351 "encoding.\n");
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	352 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	353 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	354
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	355 /* timestamps are processed as UTC */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	356 if (setenv("TZ", "", 1) != 0) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	357 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	358 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	359 tzset();
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	360
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	361 /* initialize libpws */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	362 if (pws_init() != 0) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	363 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	364 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	365
22 ec01c579024a Add fully interactive mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 21 diff changeset	366 ctx.is_interactive = isatty(STDIN_FILENO);
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	367
23 1b89066d992c Add read-only mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 22 diff changeset	368 while (!errflag && (c = getopt(argc, argv, "P:Rh")) != -1) {
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	369 switch (c) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	370 case 'P':
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	371 master_password_filename = optarg;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	372 break;
23 1b89066d992c Add read-only mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 22 diff changeset	373 case 'R':
1b89066d992c Add read-only mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 22 diff changeset	374 ctx.is_readonly = 1;
1b89066d992c Add read-only mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 22 diff changeset	375 break;
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	376 case 'h':
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	377 usage();
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	378 status = EXIT_SUCCESS;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	379 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	380 default:
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	381 errflag = 1;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	382 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	383 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	384 if (errflag \|\| (optind + 1 < argc)) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	385 usage();
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	386 status = EXIT_USAGE;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	387 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	388 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	389
20 efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	390 passwd = getpwuid(getuid());
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	391 if (passwd == NULL) {
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	392 err(1, "getpwuid");
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	393 }
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	394 xasprintf(&ctx.dirname, "%s/.pwm", passwd->pw_dir);
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	395
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	396 /* create ~/.pwm directory if necessary */
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	397 if ((mkdir(ctx.dirname, S_IRWXU) != 0) && (errno != EEXIST)) {
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	398 warn("failed to create directory \"%s\"", ctx.dirname);
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	399 goto out;
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	400 }
efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	401
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	402 if (optind == argc) {
20 efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	403 xasprintf(&ctx.filename, "%s/pwm.psafe3", ctx.dirname);
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	404 } else if (optind + 1 == argc) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	405 ctx.filename = xstrdup(argv[optind++]);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	406 } else {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	407 usage();
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	408 status = EXIT_USAGE;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	409 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	410 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	411
22 ec01c579024a Add fully interactive mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 21 diff changeset	412 if (ctx.is_interactive) {
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	413 printf("pwm version %s\n", VERSION);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	414 } else if (master_password_filename == NULL) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	415 fprintf(stderr, "master password file must be specified when "
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	416 "running non-interactively\n");
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	417 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	418 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	419
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	420 pwfile_init(&ctx);
27 722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	421 macro_init(&ctx.macro_head);
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	422
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	423 fp = fopen(ctx.filename, "r");
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	424 if ((fp == NULL) && (errno != ENOENT)) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	425 warn("failed to open password database");
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	426 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	427 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	428 /* obtain master password */
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	429 if (master_password_filename != NULL) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	430 if (read_password_from_file(master_password_filename,
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	431 ctx.password, sizeof (ctx.password)) != 0) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	432 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	433 }
18 1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	434 } else if (pwm_read_password(&ctx, (fp == NULL)) != 0) {
1e39a251cbe9 Use libtecla for interactive input Guido Berhoerster <guido+pwm@berhoerster.name> parents: 16 diff changeset	435 goto out;
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	436 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	437 if (fp != NULL) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	438 if (pwfile_read_file(&ctx, fp) != 0) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	439 goto out;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	440 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	441 fclose(fp);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	442 fp = NULL;
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	443 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	444
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	445 /* run main input loop */
22 ec01c579024a Add fully interactive mode Guido Berhoerster <guido+pwm@berhoerster.name> parents: 21 diff changeset	446 status = (run_input_loop(&ctx) != 0);
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	447
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	448 out:
27 722a45b4028b Add define command for defining macros Guido Berhoerster <guido+pwm@berhoerster.name> parents: 23 diff changeset	449 macro_destroy(ctx.macro_head);
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	450 pwfile_destroy(&ctx);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	451 if (fp != NULL) {
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	452 fclose(fp);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	453 }
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	454 free(ctx.filename);
20 efef93e54c5f Automatically save the database when receiving a fatal signal Guido Berhoerster <guido+pwm@berhoerster.name> parents: 19 diff changeset	455 free(ctx.dirname);
16 a07665727c19 Add status command Guido Berhoerster <guido+pwm@berhoerster.name> parents: 13 diff changeset	456 free(ctx.errmsg);
0 a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	457
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	458 exit(status);
a7e41e1a79c8 Initial revision Guido Berhoerster <guido+pwm@berhoerster.name> parents: diff changeset	459 }

Mercurial > projects > pwm

annotate pwm.c @ 27:722a45b4028b