Added new login recording code
Added test program for login code (make logintest)
diff --git a/logintest.c b/logintest.c
new file mode 100644
index 0000000..d26f9ef
--- /dev/null
+++ b/logintest.c
@@ -0,0 +1,307 @@
+/*
+ * Copyright (c) 2000 Andre Lucas. 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 Markus Friedl.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
+ */
+
+/**
+ ** logintest.c: simple test driver for platform-independent login recording
+ ** and lastlog retrieval
+ **/
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <pwd.h>
+#include <netdb.h>
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+
+#include "loginrec.h"
+
+RCSID("$Id: logintest.c,v 1.1 2000/06/03 14:57:40 andre Exp $");
+
+
+int nologtest = 0;
+int compile_opts_only = 0;
+int be_verbose = 0;
+
+
+#define DOTQUAD_MAXSIZE 17
+void dump_dotquad(char *s, struct in_addr *sin4) {
+ unsigned int addr;
+
+ addr = ntohl(sin4->s_addr);
+ snprintf(s, DOTQUAD_MAXSIZE, "%d.%d.%d.%d",
+ (addr >> 24)& 0xff, (addr >>16) & 0xff,
+ (addr >>8) & 0xff, addr & 0xff );
+} /* dump_dotquad */
+
+
+/* Dump a logininfo to stdout. Assumes a tab size of 8 chars. */
+void dump_logininfo(struct logininfo *li, char *descname) {
+ char a4[DOTQUAD_MAXSIZE];
+
+ dump_dotquad(a4, &(li->hostaddr.sa_in4.sin_addr));
+
+ /* yes I know how nasty this is */
+ printf("struct logininfo %s = {\n\t"
+ "progname\t'%s'\n\ttype\t\t%d\n\t"
+ "pid\t\t%d\n\tuid\t\t%d\n\t"
+ "line\t\t'%s'\n\tusername\t'%s'\n\t"
+ "hostname\t'%s'\n\texit\t\t%d\n\ttermination\t%d\n\t"
+ "tv_sec\t%d\n\ttv_usec\t%d\n\t"
+ "struct login_netinfo hostaddr {\n\t\t"
+ "struct sockaddr_in sa_in4 {\n"
+ "\t\t\tsin_port\t%d\n\t\t\t*sin_addr\t%d(%s)\n\t\t}\n"
+ "\t\t** !!! IP6 stuff not supported yet **\n"
+ "\t}\n"
+ "}\n",
+ descname, li->progname, li->type,
+ li->pid, li->uid, li->line,
+ li->username, li->hostname, li->exit,
+ li->termination, li->tv_sec, li->tv_usec,
+ ntohs(li->hostaddr.sa_in4.sin_port),
+ ntohl(li->hostaddr.sa_in4.sin_addr.s_addr), a4);
+ /* FIXME: (ATL) print sockaddr_in6 stuff */
+}
+
+
+int testAPI() {
+ struct logininfo *li1;
+ struct passwd *pw;
+ struct hostent *he;
+ struct sockaddr_in sa_in4;
+ char cmdstring[256], stripline[8];
+ char username[32];
+#ifdef HAVE_TIME_H
+ time_t t0, t1, t2;
+ char s_t0[64],s_t1[64],s_t2[64]; /* ctime() strings */
+#endif
+
+ printf("**\n** Testing the API...\n**\n");
+
+ pw = getpwuid(getuid());
+ strlcpy(username, pw->pw_name, sizeof(username));
+
+ /* gethostname(hostname, sizeof(hostname)); */
+
+ printf("login_alloc_entry test (no host info):\n");
+ /* !!! fake tty more effectively */
+ li1 = login_alloc_entry((int)getpid(), username, NULL, ttyname(0));
+ login_set_progname(li1, "testlogin");
+
+ if (be_verbose)
+ dump_logininfo(li1, "li1");
+
+ printf("Setting IPv4 host info for 'localhost' (may call out):\n");
+ if (! (he = gethostbyname("localhost"))) {
+ printf("Couldn't set hostname(lookup failed)\n");
+ } else {
+ /* NOTE: this is messy, but typically a program wouldn't have to set
+ * any of this, a sockaddr_in* would be already prepared */
+ memcpy((void *)&(sa_in4.sin_addr), (void *)&(he->h_addr_list[0][0]),
+ sizeof(struct in_addr));
+ login_set_ip4(li1, &sa_in4);
+ login_set_hostname(li1, "localhost");
+ }
+ if (be_verbose)
+ dump_logininfo(li1, "li1");
+
+ if ((int)geteuid() != 0) {
+ printf("NOT RUNNING LOGIN TESTS - you are not root!\n");
+ return 1; /* this isn't necessarily an error */
+ }
+
+ if (nologtest)
+ return 1;
+
+ line_stripname(stripline, li1->line, sizeof(stripline));
+
+ printf("Performing an invalid login attempt (no type field)\n--\n");
+ login_write(li1);
+ printf("--\n(Should have written an error to stderr)\n");
+
+#ifdef HAVE_TIME_H
+ (void)time(&t0);
+ strlcpy(s_t0, ctime(&t0), sizeof(s_t0));
+ t1 = login_getlasttime_uid(getuid());
+ strlcpy(s_t1, ctime(&t1), sizeof(s_t1));
+ printf("Before logging in:\n\tcurrent time is %d - %s\t"
+ "lastlog time is %d - %s\n",
+ (int)t0, s_t0, (int)t1, s_t1);
+#endif
+
+ printf("Performing a login on line %s...\n--\n", stripline);
+ login_login(li1);
+
+ snprintf(cmdstring, sizeof(cmdstring), "who | grep '%s '",
+ stripline);
+ system(cmdstring);
+
+ printf("--\nWaiting for a few seconds...\n");
+ sleep(2);
+
+ printf("Performing a logout (the root login "
+ "shown above should be gone)\n"
+ "If the root login hasn't gone, but another user on the same\n"
+ "pty has, this is OK - we're hacking it here, and there\n"
+ "shouldn't be two users on one pty in reality...\n"
+ "-- ('who' output follows)\n");
+ login_logout(li1);
+
+ system(cmdstring);
+ printf("-- ('who' output ends)\n");
+
+#ifdef HAVE_TIME_H
+ t2 = login_getlasttime_uid(getuid());
+ strlcpy(s_t2, ctime(&t2), sizeof(s_t2));
+ printf("After logging in, lastlog time is %d - %s\n", (int)t2, s_t2);
+ if (t1 == t2)
+ printf("The lastlog times before and after logging in are the "
+ "same.\nThis indicates that lastlog is ** NOT WORKING "
+ "CORRECTLY **\n");
+ else if (t0 != t2)
+ printf("** The login time and the lastlog time differ.\n"
+ "** This indicates that lastlog is either recording the "
+ "wrong time,\n** or retrieving the wrong entry.\n");
+ else
+ printf("lastlog agrees with the login time. This is a good thing.\n");
+
+#endif
+
+ printf("--\nThe output of 'last' shown next should have "
+ "an entry for root \n on %s for the time shown above:\n--\n",
+ stripline);
+ snprintf(cmdstring, sizeof(cmdstring), "last | grep '%s ' | head -3",
+ stripline);
+ system(cmdstring);
+
+ printf("--\nEnd of login test.\n");
+
+ login_free_entry(li1);
+
+ return 1;
+} /* testAPI() */
+
+
+void testLineName(char *line) {
+ /* have to null-terminate - these functions are designed for
+ * structures with fixed-length char arrays, and don't null-term.*/
+ char full[17], strip[9], abbrev[5];
+
+ memset(full, '\0', sizeof(full));
+ memset(strip, '\0', sizeof(strip));
+ memset(abbrev, '\0', sizeof(abbrev));
+
+ line_fullname(full, line, sizeof(full)-1);
+ line_stripname(strip, full, sizeof(strip)-1);
+ line_abbrevname(abbrev, full, sizeof(abbrev)-1);
+ printf("%s: %s, %s, %s\n", line, full, strip, abbrev);
+
+} /* testLineName() */
+
+
+int testOutput() {
+ printf("**\n** Testing linename functions\n**\n");
+ testLineName("/dev/pts/1");
+ testLineName("pts/1");
+ testLineName("pts/999");
+ testLineName("/dev/ttyp00");
+ testLineName("ttyp00");
+
+ return 1;
+} /* testOutput() */
+
+
+/* show which options got compiled in */
+void showOptions(void) {
+
+ printf("**\n** Compile-time options\n**\n");
+
+ printf("login recording methods selected:\n");
+#ifdef USE_LOGIN
+ printf("\tUSE_LOGIN\n");
+#endif
+#ifdef USE_UTMP
+ printf("\tUSE_UTMP (UTMP_FILE=%s)\n", UTMP_FILE);
+#endif
+#ifdef USE_UTMPX
+ printf("\tUSE_UTMPX (UTMPX_FILE=%s)\n", UTMPX_FILE);
+#endif
+#ifdef USE_WTMP
+ printf("\tUSE_WTMP (WTMP_FILE=%s)\n", WTMP_FILE);
+#endif
+#ifdef USE_WTMPX
+ printf("\tUSE_WTMPX (WTMPX_FILE=%s)\n", WTMPX_FILE);
+#endif
+#ifdef USE_LASTLOG
+ printf("\tUSE_LASTLOG (LASTLOG_FILE=%s)\n", LASTLOG_FILE);
+#endif
+ printf("\n");
+
+ printf("IP6 support: %s\n",
+#ifdef HAVE_IP6
+ "enabled"
+#else
+ "disabled"
+#endif
+ );
+
+
+} /* showOptions() */
+
+
+int main(int argc, char *argv[]) {
+
+ printf("Platform-independent login recording test driver");
+
+ if (argc == 2) {
+ if (strncmp(argv[1], "-i", 3) == 0)
+ compile_opts_only = 1;
+ else if (strncmp(argv[1], "-v", 3) == 0)
+ be_verbose=1;
+ }
+
+ if (!compile_opts_only) {
+ if (be_verbose && !testOutput())
+ return 1;
+
+ if (!testAPI())
+ return 1;
+ }
+
+ showOptions();
+
+ return 0;
+} /* main() */
+