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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	libexec/login_passwd/login.c	Lines:	0	61	0.0 %
Date:	2017-11-07	Branches:	0	51	0.0 %


/*	$OpenBSD: login.c,v 1.16 2016/09/03 11:24:40 tedu Exp $	*/

/*-
 * Copyright (c) 1995 Berkeley Software Design, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Berkeley Software Design,
 *      Inc.
 * 4. The name of Berkeley Software Design, Inc.  may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN, INC. ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN, INC. BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	BSDI $From: login_passwd.c,v 1.11 1997/08/08 18:58:24 prb Exp $
 */

#include "common.h"

FILE *back = NULL;

int
main(int argc, char **argv)
{
	int opt, mode = 0, ret, lastchance = 0;
	char *username, *password = NULL;
	char pbuf[1024];
	char response[1024];
	int arg_login = 0, arg_notickets = 0;
	char invokinguser[LOGIN_NAME_MAX];
	char *wheel = NULL, *class = NULL;

	invokinguser[0] = '\0';

	setpriority(PRIO_PROCESS, 0, 0);

	openlog(NULL, LOG_ODELAY, LOG_AUTH);

	while ((opt = getopt(argc, argv, "ds:v:")) != -1) {
		switch (opt) {
		case 'd':
			back = stdout;
			break;
		case 's':	/* service */
			if (strcmp(optarg, "login") == 0)
				mode = MODE_LOGIN;
			else if (strcmp(optarg, "challenge") == 0)
				mode = MODE_CHALLENGE;
			else if (strcmp(optarg, "response") == 0)
				mode = MODE_RESPONSE;
			else {
				syslog(LOG_ERR, "%s: invalid service", optarg);
				exit(1);
			}
			break;
		case 'v':
			if (strncmp(optarg, "wheel=", 6) == 0)
				wheel = optarg + 6;
			else if (strncmp(optarg, "lastchance=", 11) == 0)
				lastchance = (strcmp(optarg + 11, "yes") == 0);
			else if (strcmp(optarg, "login=yes") == 0)
				arg_login = 1;
			else if (strcmp(optarg, "notickets=yes") == 0)
				arg_notickets = 1;
			else if (strncmp(optarg, "invokinguser=", 13) == 0)
				snprintf(invokinguser, sizeof(invokinguser),
				    "%s", &optarg[13]);
			/* Silently ignore unsupported variables */
			break;
		default:
			syslog(LOG_ERR, "usage error1");
			exit(1);
		}
	}

	switch (argc - optind) {
	case 2:
		class = argv[optind + 1];
		/*FALLTHROUGH*/
	case 1:
		username = argv[optind];
		break;
	default:
		syslog(LOG_ERR, "usage error2");
		exit(1);
	}

	if (back == NULL && (back = fdopen(3, "r+")) == NULL) {
		syslog(LOG_ERR, "reopening back channel: %m");
		exit(1);
	}

	/*
	 * Read password, either as from the terminal or if the
	 * response mode is active from the caller program.
	 *
	 * XXX  This is completely ungrokkable, and should be rewritten.
	 */
	switch (mode) {
	case MODE_RESPONSE: {
		int count;
		mode = 0;
		count = -1;
		while (++count < sizeof(response) &&
		    read(3, &response[count], 1) == 1) {
			if (response[count] == '\0' && ++mode == 2)
				break;
			if (response[count] == '\0' && mode == 1) {
				password = response + count + 1;
			}
		}
		if (mode < 2) {
			syslog(LOG_ERR, "protocol error on back channel");
			exit(1);
		}
		break;
	}

	case MODE_LOGIN:
		password = readpassphrase("Password:", pbuf, sizeof(pbuf), RPP_ECHO_OFF);
		break;
	case MODE_CHALLENGE:
		fprintf(back, BI_AUTH "\n");
		exit(0);
		break;
	default:
		syslog(LOG_ERR, "%d: unknown mode", mode);
		exit(1);
		break;
	}

	ret = AUTH_FAILED;
#ifdef PASSWD
	if (ret != AUTH_OK)
		ret = pwd_login(username, password, wheel, lastchance, class);
#endif

	if (password != NULL)
		explicit_bzero(password, strlen(password));
	if (ret != AUTH_OK)
		fprintf(back, BI_REJECT "\n");

	closelog();

	exit(0);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: login.c,v 1.16 2016/09/03 11:24:40 tedu Exp $ */
2
3			/*-
4			* Copyright (c) 1995 Berkeley Software Design, Inc. All rights reserved.
5			*
6			* Redistribution and use in source and binary forms, with or without
7			* modification, are permitted provided that the following conditions
8			* are met:
9			* 1. Redistributions of source code must retain the above copyright
10			* notice, this list of conditions and the following disclaimer.
11			* 2. Redistributions in binary form must reproduce the above copyright
12			* notice, this list of conditions and the following disclaimer in the
13			* documentation and/or other materials provided with the distribution.
14			* 3. All advertising materials mentioning features or use of this software
15			* must display the following acknowledgement:
16			* This product includes software developed by Berkeley Software Design,
17			* Inc.
18			* 4. The name of Berkeley Software Design, Inc. may not be used to endorse
19			* or promote products derived from this software without specific prior
20			* written permission.
21			*
22			* THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN, INC. ``AS IS'' AND
23			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25			* ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN, INC. BE LIABLE
26			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32			* SUCH DAMAGE.
33			*
34			* BSDI $From: login_passwd.c,v 1.11 1997/08/08 18:58:24 prb Exp $
35			*/
36
37			#include "common.h"
38
39			FILE *back = NULL;
40
41			int
42			main(int argc, char **argv)
43			{
44			int opt, mode = 0, ret, lastchance = 0;
45			char username, password = NULL;
46			char pbuf[1024];
47			char response[1024];
48			int arg_login = 0, arg_notickets = 0;
49			char invokinguser[LOGIN_NAME_MAX];
50			char wheel = NULL, class = NULL;
51
52			invokinguser[0] = '\0';
53
54			setpriority(PRIO_PROCESS, 0, 0);
55
56			openlog(NULL, LOG_ODELAY, LOG_AUTH);
57
58			while ((opt = getopt(argc, argv, "ds:v:")) != -1) {
59			switch (opt) {
60			case 'd':
61			back = stdout;
62			break;
63			case 's': /* service */
64			if (strcmp(optarg, "login") == 0)
65			mode = MODE_LOGIN;
66			else if (strcmp(optarg, "challenge") == 0)
67			mode = MODE_CHALLENGE;
68			else if (strcmp(optarg, "response") == 0)
69			mode = MODE_RESPONSE;
70			else {
71			syslog(LOG_ERR, "%s: invalid service", optarg);
72			exit(1);
73			}
74			break;
75			case 'v':
76			if (strncmp(optarg, "wheel=", 6) == 0)
77			wheel = optarg + 6;
78			else if (strncmp(optarg, "lastchance=", 11) == 0)
79			lastchance = (strcmp(optarg + 11, "yes") == 0);
80			else if (strcmp(optarg, "login=yes") == 0)
81			arg_login = 1;
82			else if (strcmp(optarg, "notickets=yes") == 0)
83			arg_notickets = 1;
84			else if (strncmp(optarg, "invokinguser=", 13) == 0)
85			snprintf(invokinguser, sizeof(invokinguser),
86			"%s", &optarg[13]);
87			/* Silently ignore unsupported variables */
88			break;
89			default:
90			syslog(LOG_ERR, "usage error1");
91			exit(1);
92			}
93			}
94
95			switch (argc - optind) {
96			case 2:
97			class = argv[optind + 1];
98			/FALLTHROUGH/
99			case 1:
100			username = argv[optind];
101			break;
102			default:
103			syslog(LOG_ERR, "usage error2");
104			exit(1);
105			}
106
107			if (back == NULL && (back = fdopen(3, "r+")) == NULL) {
108			syslog(LOG_ERR, "reopening back channel: %m");
109			exit(1);
110			}
111
112			/*
113			* Read password, either as from the terminal or if the
114			* response mode is active from the caller program.
115			*
116			* XXX This is completely ungrokkable, and should be rewritten.
117			*/
118			switch (mode) {
119			case MODE_RESPONSE: {
120			int count;
121			mode = 0;
122			count = -1;
123			while (++count < sizeof(response) &&
124			read(3, &response[count], 1) == 1) {
125			if (response[count] == '\0' && ++mode == 2)
126			break;
127			if (response[count] == '\0' && mode == 1) {
128			password = response + count + 1;
129			}
130			}
131			if (mode < 2) {
132			syslog(LOG_ERR, "protocol error on back channel");
133			exit(1);
134			}
135			break;
136			}
137
138			case MODE_LOGIN:
139			password = readpassphrase("Password:", pbuf, sizeof(pbuf), RPP_ECHO_OFF);
140			break;
141			case MODE_CHALLENGE:
142			fprintf(back, BI_AUTH "\n");
143			exit(0);
144			break;
145			default:
146			syslog(LOG_ERR, "%d: unknown mode", mode);
147			exit(1);
148			break;
149			}
150
151			ret = AUTH_FAILED;
152			#ifdef PASSWD
153			if (ret != AUTH_OK)
154			ret = pwd_login(username, password, wheel, lastchance, class);
155			#endif
156
157			if (password != NULL)
158			explicit_bzero(password, strlen(password));
159			if (ret != AUTH_OK)
160			fprintf(back, BI_REJECT "\n");
161
162			closelog();
163
164			exit(0);
165			}