]> git.cameronkatri.com Git - getent-darwin.git/commitdiff
Print INIT_PROCESS and LOGIN_PROCESS entries as well.
authorEd Schouten <ed@FreeBSD.org>
Thu, 27 Oct 2011 16:20:29 +0000 (16:20 +0000)
committerEd Schouten <ed@FreeBSD.org>
Thu, 27 Oct 2011 16:20:29 +0000 (16:20 +0000)
Even though our implementation of utmpx never emits these types of
records, they are part of POSIX. Do print them when they show up in the
database files.

While there, also print the type number of unsupported records.

getent.c [new file with mode: 0644]

diff --git a/getent.c b/getent.c
new file mode 100644 (file)
index 0000000..85857d8
--- /dev/null
+++ b/getent.c
@@ -0,0 +1,662 @@
+/*     $NetBSD: getent.c,v 1.7 2005/08/24 14:31:02 ginsbach Exp $      */
+
+/*-
+ * Copyright (c) 2004 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Luke Mewburn.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/socket.h>
+#include <sys/param.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <net/if.h>
+#include <netinet/if_ether.h>
+#include <netinet/in.h>                /* for INET6_ADDRSTRLEN */
+#include <rpc/rpcent.h>
+
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <grp.h>
+#include <limits.h>
+#include <netdb.h>
+#include <pwd.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <utmpx.h>
+
+static int     usage(void);
+static int     parsenum(const char *, unsigned long *);
+static int     ethers(int, char *[]);
+static int     group(int, char *[]);
+static int     hosts(int, char *[]);
+static int     networks(int, char *[]);
+static int     passwd(int, char *[]);
+static int     protocols(int, char *[]);
+static int     rpc(int, char *[]);
+static int     services(int, char *[]);
+static int     shells(int, char *[]);
+static int     utmpx(int, char *[]);
+
+enum {
+       RV_OK           = 0,
+       RV_USAGE        = 1,
+       RV_NOTFOUND     = 2,
+       RV_NOENUM       = 3
+};
+
+static struct getentdb {
+       const char      *name;
+       int             (*callback)(int, char *[]);
+} databases[] = {
+       {       "ethers",       ethers,         },
+       {       "group",        group,          },
+       {       "hosts",        hosts,          },
+       {       "networks",     networks,       },
+       {       "passwd",       passwd,         },
+       {       "protocols",    protocols,      },
+       {       "rpc",          rpc,            },
+       {       "services",     services,       },
+       {       "shells",       shells,         },
+       {       "utmpx",        utmpx,          },
+
+       {       NULL,           NULL,           },
+};
+
+int
+main(int argc, char *argv[])
+{
+       struct getentdb *curdb;
+
+       setprogname(argv[0]);
+
+       if (argc < 2)
+               usage();
+       for (curdb = databases; curdb->name != NULL; curdb++) {
+               if (strcmp(curdb->name, argv[1]) == 0) {
+                       exit(curdb->callback(argc, argv));
+               }
+       }
+       fprintf(stderr, "Unknown database: %s\n", argv[1]);
+       usage();
+       /* NOTREACHED */
+       return RV_USAGE;
+}
+
+static int
+usage(void)
+{
+       struct getentdb *curdb;
+
+       fprintf(stderr, "Usage: %s database [key ...]\n",
+           getprogname());
+       fprintf(stderr, "       database may be one of:\n\t");
+       for (curdb = databases; curdb->name != NULL; curdb++) {
+               fprintf(stderr, " %s", curdb->name);
+       }
+       fprintf(stderr, "\n");
+       exit(RV_USAGE);
+       /* NOTREACHED */
+}
+
+static int
+parsenum(const char *word, unsigned long *result)
+{
+       unsigned long   num;
+       char            *ep;
+
+       assert(word != NULL);
+       assert(result != NULL);
+
+       if (!isdigit((unsigned char)word[0]))
+               return 0;
+       errno = 0;
+       num = strtoul(word, &ep, 10);
+       if (num == ULONG_MAX && errno == ERANGE)
+               return 0;
+       if (*ep != '\0')
+               return 0;
+       *result = num;
+       return 1;
+}
+
+/*
+ * printfmtstrings --
+ *     vprintf(format, ...),
+ *     then the aliases (beginning with prefix, separated by sep),
+ *     then a newline
+ */
+static void
+printfmtstrings(char *strings[], const char *prefix, const char *sep,
+       const char *fmt, ...)
+{
+       va_list         ap;
+       const char      *curpref;
+       int             i;
+
+       va_start(ap, fmt);
+       vprintf(fmt, ap);
+
+       curpref = prefix;
+       for (i = 0; strings[i] != NULL; i++) {
+               printf("%s%s", curpref, strings[i]);
+               curpref = sep;
+       }
+       printf("\n");
+       va_end(ap);
+}
+
+/*
+ * ethers
+ */
+static int
+ethers(int argc, char *argv[])
+{
+       char            hostname[MAXHOSTNAMELEN + 1], *hp;
+       struct ether_addr ea, *eap;
+       int             i, rv;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+#define ETHERSPRINT    printf("%-17s  %s\n", ether_ntoa(eap), hp)
+
+       rv = RV_OK;
+       if (argc == 2) {
+               fprintf(stderr, "Enumeration not supported on ethers\n");
+               rv = RV_NOENUM;
+       } else {
+               for (i = 2; i < argc; i++) {
+                       if ((eap = ether_aton(argv[i])) == NULL) {
+                               eap = &ea;
+                               hp = argv[i];
+                               if (ether_hostton(hp, eap) != 0) {
+                                       rv = RV_NOTFOUND;
+                                       break;
+                               }
+                       } else {
+                               hp = hostname;
+                               if (ether_ntohost(hp, eap) != 0) {
+                                       rv = RV_NOTFOUND;
+                                       break;
+                               }
+                       }
+                       ETHERSPRINT;
+               }
+       }
+       return rv;
+}
+
+/*
+ * group
+ */
+
+static int
+group(int argc, char *argv[])
+{
+       struct group    *gr;
+       unsigned long   id;
+       int             i, rv;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+#define GROUPPRINT     printfmtstrings(gr->gr_mem, ":", ",", "%s:%s:%u", \
+                           gr->gr_name, gr->gr_passwd, gr->gr_gid)
+
+       setgroupent(1);
+       rv = RV_OK;
+       if (argc == 2) {
+               while ((gr = getgrent()) != NULL)
+                       GROUPPRINT;
+       } else {
+               for (i = 2; i < argc; i++) {
+                       if (parsenum(argv[i], &id))
+                               gr = getgrgid((gid_t)id);
+                       else
+                               gr = getgrnam(argv[i]);
+                       if (gr != NULL)
+                               GROUPPRINT;
+                       else {
+                               rv = RV_NOTFOUND;
+                               break;
+                       }
+               }
+       }
+       endgrent();
+       return rv;
+}
+
+
+/*
+ * hosts
+ */
+
+static void
+hostsprint(const struct hostent *he)
+{
+       char    buf[INET6_ADDRSTRLEN];
+
+       assert(he != NULL);
+       if (inet_ntop(he->h_addrtype, he->h_addr, buf, sizeof(buf)) == NULL)
+               strlcpy(buf, "# unknown", sizeof(buf));
+       printfmtstrings(he->h_aliases, "  ", " ", "%-16s  %s", buf, he->h_name);
+}
+
+static int
+hosts(int argc, char *argv[])
+{
+       struct hostent  *he;
+       char            addr[IN6ADDRSZ];
+       int             i, rv;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+       sethostent(1);
+       rv = RV_OK;
+       if (argc == 2) {
+               while ((he = gethostent()) != NULL)
+                       hostsprint(he);
+       } else {
+               for (i = 2; i < argc; i++) {
+                       if (inet_pton(AF_INET6, argv[i], (void *)addr) > 0)
+                               he = gethostbyaddr(addr, IN6ADDRSZ, AF_INET6);
+                       else if (inet_pton(AF_INET, argv[i], (void *)addr) > 0)
+                               he = gethostbyaddr(addr, INADDRSZ, AF_INET);
+                       else
+                               he = gethostbyname(argv[i]);
+                       if (he != NULL)
+                               hostsprint(he);
+                       else {
+                               rv = RV_NOTFOUND;
+                               break;
+                       }
+               }
+       }
+       endhostent();
+       return rv;
+}
+
+/*
+ * networks
+ */
+static void
+networksprint(const struct netent *ne)
+{
+       char            buf[INET6_ADDRSTRLEN];
+       struct  in_addr ianet;
+
+       assert(ne != NULL);
+       ianet = inet_makeaddr(ne->n_net, 0);
+       if (inet_ntop(ne->n_addrtype, &ianet, buf, sizeof(buf)) == NULL)
+               strlcpy(buf, "# unknown", sizeof(buf));
+       printfmtstrings(ne->n_aliases, "  ", " ", "%-16s  %s", ne->n_name, buf);
+}
+
+static int
+networks(int argc, char *argv[])
+{
+       struct netent   *ne;
+       in_addr_t       net;
+       int             i, rv;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+       setnetent(1);
+       rv = RV_OK;
+       if (argc == 2) {
+               while ((ne = getnetent()) != NULL)
+                       networksprint(ne);
+       } else {
+               for (i = 2; i < argc; i++) {
+                       net = inet_network(argv[i]);
+                       if (net != INADDR_NONE)
+                               ne = getnetbyaddr(net, AF_INET);
+                       else
+                               ne = getnetbyname(argv[i]);
+                       if (ne != NULL)
+                               networksprint(ne);
+                       else {
+                               rv = RV_NOTFOUND;
+                               break;
+                       }
+               }
+       }
+       endnetent();
+       return rv;
+}
+
+/*
+ * passwd
+ */
+static int
+passwd(int argc, char *argv[])
+{
+       struct passwd   *pw;
+       unsigned long   id;
+       int             i, rv;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+#define PASSWDPRINT    printf("%s:%s:%u:%u:%s:%s:%s\n", \
+                           pw->pw_name, pw->pw_passwd, pw->pw_uid, \
+                           pw->pw_gid, pw->pw_gecos, pw->pw_dir, pw->pw_shell)
+
+       setpassent(1);
+       rv = RV_OK;
+       if (argc == 2) {
+               while ((pw = getpwent()) != NULL)
+                       PASSWDPRINT;
+       } else {
+               for (i = 2; i < argc; i++) {
+                       if (parsenum(argv[i], &id))
+                               pw = getpwuid((uid_t)id);
+                       else
+                               pw = getpwnam(argv[i]);
+                       if (pw != NULL)
+                               PASSWDPRINT;
+                       else {
+                               rv = RV_NOTFOUND;
+                               break;
+                       }
+               }
+       }
+       endpwent();
+       return rv;
+}
+
+/*
+ * protocols
+ */
+static int
+protocols(int argc, char *argv[])
+{
+       struct protoent *pe;
+       unsigned long   id;
+       int             i, rv;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+#define PROTOCOLSPRINT printfmtstrings(pe->p_aliases, "  ", " ", \
+                           "%-16s  %5d", pe->p_name, pe->p_proto)
+
+       setprotoent(1);
+       rv = RV_OK;
+       if (argc == 2) {
+               while ((pe = getprotoent()) != NULL)
+                       PROTOCOLSPRINT;
+       } else {
+               for (i = 2; i < argc; i++) {
+                       if (parsenum(argv[i], &id))
+                               pe = getprotobynumber((int)id);
+                       else
+                               pe = getprotobyname(argv[i]);
+                       if (pe != NULL)
+                               PROTOCOLSPRINT;
+                       else {
+                               rv = RV_NOTFOUND;
+                               break;
+                       }
+               }
+       }
+       endprotoent();
+       return rv;
+}
+
+/*
+ * rpc
+ */
+static int
+rpc(int argc, char *argv[])
+{
+       struct rpcent   *re;
+       unsigned long   id;
+       int             i, rv;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+#define RPCPRINT       printfmtstrings(re->r_aliases, "  ", " ", \
+                               "%-16s  %6d", \
+                               re->r_name, re->r_number)
+
+       setrpcent(1);
+       rv = RV_OK;
+       if (argc == 2) {
+               while ((re = getrpcent()) != NULL)
+                       RPCPRINT;
+       } else {
+               for (i = 2; i < argc; i++) {
+                       if (parsenum(argv[i], &id))
+                               re = getrpcbynumber((int)id);
+                       else
+                               re = getrpcbyname(argv[i]);
+                       if (re != NULL)
+                               RPCPRINT;
+                       else {
+                               rv = RV_NOTFOUND;
+                               break;
+                       }
+               }
+       }
+       endrpcent();
+       return rv;
+}
+
+/*
+ * services
+ */
+static int
+services(int argc, char *argv[])
+{
+       struct servent  *se;
+       unsigned long   id;
+       char            *proto;
+       int             i, rv;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+#define SERVICESPRINT  printfmtstrings(se->s_aliases, "  ", " ", \
+                           "%-16s  %5d/%s", \
+                           se->s_name, ntohs(se->s_port), se->s_proto)
+
+       setservent(1);
+       rv = RV_OK;
+       if (argc == 2) {
+               while ((se = getservent()) != NULL)
+                       SERVICESPRINT;
+       } else {
+               for (i = 2; i < argc; i++) {
+                       proto = strchr(argv[i], '/');
+                       if (proto != NULL)
+                               *proto++ = '\0';
+                       if (parsenum(argv[i], &id))
+                               se = getservbyport(htons((u_short)id), proto);
+                       else
+                               se = getservbyname(argv[i], proto);
+                       if (se != NULL)
+                               SERVICESPRINT;
+                       else {
+                               rv = RV_NOTFOUND;
+                               break;
+                       }
+               }
+       }
+       endservent();
+       return rv;
+}
+
+/*
+ * shells
+ */
+static int
+shells(int argc, char *argv[])
+{
+       const char      *sh;
+       int             i, rv;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+#define SHELLSPRINT    printf("%s\n", sh)
+
+       setusershell();
+       rv = RV_OK;
+       if (argc == 2) {
+               while ((sh = getusershell()) != NULL)
+                       SHELLSPRINT;
+       } else {
+               for (i = 2; i < argc; i++) {
+                       setusershell();
+                       while ((sh = getusershell()) != NULL) {
+                               if (strcmp(sh, argv[i]) == 0) {
+                                       SHELLSPRINT;
+                                       break;
+                               }
+                       }
+                       if (sh == NULL) {
+                               rv = RV_NOTFOUND;
+                               break;
+                       }
+               }
+       }
+       endusershell();
+       return rv;
+}
+
+/*
+ * utmpx
+ */
+
+#define        UTMPXPRINTID do {                       \
+       size_t i;                               \
+       for (i = 0; i < sizeof ut->ut_id; i++)  \
+               printf("%02hhx", ut->ut_id[i]); \
+} while (0)
+
+static void
+utmpxprint(const struct utmpx *ut)
+{
+
+       if (ut->ut_type == EMPTY)
+               return;
+       
+       printf("[%jd.%06u -- %.24s] ",
+           (intmax_t)ut->ut_tv.tv_sec, (unsigned int)ut->ut_tv.tv_usec,
+           ctime(&ut->ut_tv.tv_sec));
+
+       switch (ut->ut_type) {
+       case BOOT_TIME:
+               printf("system boot\n");
+               return;
+       case SHUTDOWN_TIME:
+               printf("system shutdown\n");
+               return;
+       case OLD_TIME:
+               printf("old system time\n");
+               return;
+       case NEW_TIME:
+               printf("new system time\n");
+               return;
+       case USER_PROCESS:
+               printf("user process: id=\"");
+               UTMPXPRINTID;
+               printf("\" pid=\"%d\" user=\"%s\" line=\"%s\" host=\"%s\"\n",
+                   ut->ut_pid, ut->ut_user, ut->ut_line, ut->ut_host);
+               break;
+       case INIT_PROCESS:
+               printf("init process: id=\"");
+               UTMPXPRINTID;
+               printf("\" pid=\"%d\"\n", ut->ut_pid);
+               break;
+       case LOGIN_PROCESS:
+               printf("login process: id=\"");
+               UTMPXPRINTID;
+               printf("\" pid=\"%d\" user=\"%s\" line=\"%s\" host=\"%s\"\n",
+                   ut->ut_pid, ut->ut_user, ut->ut_line, ut->ut_host);
+               break;
+       case DEAD_PROCESS:
+               printf("dead process: id=\"");
+               UTMPXPRINTID;
+               printf("\" pid=\"%d\"\n", ut->ut_pid);
+               break;
+       default:
+               printf("unknown record type %hu\n", ut->ut_type);
+               break;
+       }
+}
+
+static int
+utmpx(int argc, char *argv[])
+{
+       const struct utmpx *ut;
+       const char *file = NULL;
+       int rv = RV_OK, db = 0;
+
+       assert(argc > 1);
+       assert(argv != NULL);
+
+       if (argc == 3 || argc == 4) {
+               if (strcmp(argv[2], "active") == 0)
+                       db = UTXDB_ACTIVE;
+               else if (strcmp(argv[2], "lastlogin") == 0)
+                       db = UTXDB_LASTLOGIN;
+               else if (strcmp(argv[2], "log") == 0)
+                       db = UTXDB_LOG;
+               else
+                       rv = RV_USAGE;
+               if (argc == 4)
+                       file = argv[3];
+       } else {
+               rv = RV_USAGE;
+       }
+
+       if (rv == RV_USAGE) {
+               fprintf(stderr,
+                   "Usage: %s utmpx active | lastlogin | log [filename]\n",
+                   getprogname());
+       } else if (rv == RV_OK) {
+               if (setutxdb(db, file) != 0)
+                       return (RV_NOTFOUND);
+               while ((ut = getutxent()) != NULL)
+                       utmpxprint(ut);
+               endutxent();
+       }
+       return (rv);
+}