[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/nss/getent.c b/ap/libc/glibc/glibc-2.23/nss/getent.c
new file mode 100644
index 0000000..de7b83f
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/nss/getent.c
@@ -0,0 +1,960 @@
+/* Copyright (c) 1998-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* getent: get entries from administrative database. */
+
+#include <aliases.h>
+#include <argp.h>
+#include <ctype.h>
+#include <error.h>
+#include <grp.h>
+#include <gshadow.h>
+#include <libintl.h>
+#include <locale.h>
+#include <mcheck.h>
+#include <netdb.h>
+#include <pwd.h>
+#include <shadow.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <netinet/ether.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+/* Get libc version number. */
+#include <version.h>
+
+#define PACKAGE _libc_intl_domainname
+
+/* Name and version of program. */
+static void print_version (FILE *stream, struct argp_state *state);
+void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
+
+/* Short description of parameters. */
+static const char args_doc[] = N_("database [key ...]");
+
+/* Supported options. */
+static const struct argp_option args_options[] =
+ {
+ { "service", 's', N_("CONFIG"), 0, N_("Service configuration to be used") },
+ { "no-idn", 'i', NULL, 0, N_("disable IDN encoding") },
+ { NULL, 0, NULL, 0, NULL },
+ };
+
+/* Short description of program. */
+static const char doc[] = N_("Get entries from administrative database.");
+
+/* Prototype for option handler. */
+static error_t parse_option (int key, char *arg, struct argp_state *state);
+
+/* Function to print some extra text in the help message. */
+static char *more_help (int key, const char *text, void *input);
+
+/* Data structure to communicate with argp functions. */
+static struct argp argp =
+ {
+ args_options, parse_option, args_doc, doc, NULL, more_help
+ };
+
+/* Additional getaddrinfo flags for IDN encoding. */
+static int idn_flags = AI_IDN | AI_CANONIDN;
+
+/* Print the version information. */
+static void
+print_version (FILE *stream, struct argp_state *state)
+{
+ fprintf (stream, "getent %s%s\n", PKGVERSION, VERSION);
+ fprintf (stream, gettext ("\
+Copyright (C) %s Free Software Foundation, Inc.\n\
+This is free software; see the source for copying conditions. There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
+"), "2016");
+ fprintf (stream, gettext ("Written by %s.\n"), "Thorsten Kukuk");
+}
+
+/* This is for aliases */
+static void
+print_aliases (struct aliasent *alias)
+{
+ unsigned int i = 0;
+
+ printf ("%s: ", alias->alias_name);
+ for (i = strlen (alias->alias_name); i < 14; ++i)
+ fputs_unlocked (" ", stdout);
+
+ for (i = 0; i < alias->alias_members_len; ++i)
+ printf ("%s%s",
+ alias->alias_members [i],
+ i + 1 == alias->alias_members_len ? "\n" : ", ");
+}
+
+static int
+aliases_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+ struct aliasent *alias;
+
+ if (number == 0)
+ {
+ setaliasent ();
+ while ((alias = getaliasent ()) != NULL)
+ print_aliases (alias);
+ endaliasent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ alias = getaliasbyname (key[i]);
+
+ if (alias == NULL)
+ result = 2;
+ else
+ print_aliases (alias);
+ }
+
+ return result;
+}
+
+/* This is for ethers */
+static int
+ethers_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+
+ if (number == 0)
+ {
+ fprintf (stderr, _("Enumeration not supported on %s\n"), "ethers");
+ return 3;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ struct ether_addr *ethp, eth;
+ char buffer [1024], *p;
+
+ ethp = ether_aton (key[i]);
+ if (ethp != NULL)
+ {
+ if (ether_ntohost (buffer, ethp))
+ {
+ result = 2;
+ continue;
+ }
+ p = buffer;
+ }
+ else
+ {
+ if (ether_hostton (key[i], ð))
+ {
+ result = 2;
+ continue;
+ }
+ p = key[i];
+ ethp = ð
+ }
+ printf ("%s %s\n", ether_ntoa (ethp), p);
+ }
+
+ return result;
+}
+
+/* This is for group */
+static void
+print_group (struct group *grp)
+{
+ if (putgrent (grp, stdout) != 0)
+ fprintf (stderr, "error writing group entry: %m\n");
+}
+
+static int
+group_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+ struct group *grp;
+
+ if (number == 0)
+ {
+ setgrent ();
+ while ((grp = getgrent ()) != NULL)
+ print_group (grp);
+ endgrent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ errno = 0;
+ char *ep;
+ gid_t arg_gid = strtoul(key[i], &ep, 10);
+
+ if (errno != EINVAL && *key[i] != '\0' && *ep == '\0')
+ /* Valid numeric gid. */
+ grp = getgrgid (arg_gid);
+ else
+ grp = getgrnam (key[i]);
+
+ if (grp == NULL)
+ result = 2;
+ else
+ print_group (grp);
+ }
+
+ return result;
+}
+
+/* This is for gshadow */
+static void
+print_gshadow (struct sgrp *sg)
+{
+ if (putsgent (sg, stdout) != 0)
+ fprintf (stderr, "error writing gshadow entry: %m\n");
+}
+
+static int
+gshadow_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+
+ if (number == 0)
+ {
+ struct sgrp *sg;
+
+ setsgent ();
+ while ((sg = getsgent ()) != NULL)
+ print_gshadow (sg);
+ endsgent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ struct sgrp *sg;
+
+ sg = getsgnam (key[i]);
+
+ if (sg == NULL)
+ result = 2;
+ else
+ print_gshadow (sg);
+ }
+
+ return result;
+}
+
+/* This is for hosts */
+static void
+print_hosts (struct hostent *host)
+{
+ unsigned int cnt;
+
+ for (cnt = 0; host->h_addr_list[cnt] != NULL; ++cnt)
+ {
+ char buf[INET6_ADDRSTRLEN];
+ const char *ip = inet_ntop (host->h_addrtype, host->h_addr_list[cnt],
+ buf, sizeof (buf));
+
+ printf ("%-15s %s", ip, host->h_name);
+
+ unsigned int i;
+ for (i = 0; host->h_aliases[i] != NULL; ++i)
+ {
+ putchar_unlocked (' ');
+ fputs_unlocked (host->h_aliases[i], stdout);
+ }
+ putchar_unlocked ('\n');
+ }
+}
+
+static int
+hosts_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+ struct hostent *host;
+
+ if (number == 0)
+ {
+ sethostent (0);
+ while ((host = gethostent ()) != NULL)
+ print_hosts (host);
+ endhostent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ struct hostent *host = NULL;
+ char addr[IN6ADDRSZ];
+
+ if (inet_pton (AF_INET6, key[i], &addr) > 0)
+ host = gethostbyaddr (addr, IN6ADDRSZ, AF_INET6);
+ else if (inet_pton (AF_INET, key[i], &addr) > 0)
+ host = gethostbyaddr (addr, INADDRSZ, AF_INET);
+ else if ((host = gethostbyname2 (key[i], AF_INET6)) == NULL)
+ host = gethostbyname2 (key[i], AF_INET);
+
+ if (host == NULL)
+ result = 2;
+ else
+ print_hosts (host);
+ }
+
+ return result;
+}
+
+/* This is for hosts, but using getaddrinfo */
+static int
+ahosts_keys_int (int af, int xflags, int number, char *key[])
+{
+ int result = 0;
+ int i;
+ struct hostent *host;
+
+ if (number == 0)
+ {
+ sethostent (0);
+ while ((host = gethostent ()) != NULL)
+ print_hosts (host);
+ endhostent ();
+ return result;
+ }
+
+ struct addrinfo hint;
+ memset (&hint, '\0', sizeof (hint));
+ hint.ai_flags = (AI_V4MAPPED | AI_ADDRCONFIG | AI_CANONNAME
+ | idn_flags | xflags);
+ hint.ai_family = af;
+
+ for (i = 0; i < number; ++i)
+ {
+ struct addrinfo *res;
+
+ if (getaddrinfo (key[i], NULL, &hint, &res) != 0)
+ result = 2;
+ else
+ {
+ struct addrinfo *runp = res;
+
+ while (runp != NULL)
+ {
+ char sockbuf[20];
+ const char *sockstr;
+ if (runp->ai_socktype == SOCK_STREAM)
+ sockstr = "STREAM";
+ else if (runp->ai_socktype == SOCK_DGRAM)
+ sockstr = "DGRAM";
+ else if (runp->ai_socktype == SOCK_RAW)
+ sockstr = "RAW";
+#ifdef SOCK_SEQPACKET
+ else if (runp->ai_socktype == SOCK_SEQPACKET)
+ sockstr = "SEQPACKET";
+#endif
+#ifdef SOCK_RDM
+ else if (runp->ai_socktype == SOCK_RDM)
+ sockstr = "RDM";
+#endif
+#ifdef SOCK_DCCP
+ else if (runp->ai_socktype == SOCK_DCCP)
+ sockstr = "DCCP";
+#endif
+#ifdef SOCK_PACKET
+ else if (runp->ai_socktype == SOCK_PACKET)
+ sockstr = "PACKET";
+#endif
+ else
+ {
+ snprintf (sockbuf, sizeof (sockbuf), "%d",
+ runp->ai_socktype);
+ sockstr = sockbuf;
+ }
+
+ char buf[INET6_ADDRSTRLEN];
+ printf ("%-15s %-6s %s\n",
+ inet_ntop (runp->ai_family,
+ runp->ai_family == AF_INET
+ ? (void *) &((struct sockaddr_in *) runp->ai_addr)->sin_addr
+ : (void *) &((struct sockaddr_in6 *) runp->ai_addr)->sin6_addr,
+ buf, sizeof (buf)),
+ sockstr,
+ runp->ai_canonname ?: "");
+
+ runp = runp->ai_next;
+ }
+
+ freeaddrinfo (res);
+ }
+ }
+
+ return result;
+}
+
+static int
+ahosts_keys (int number, char *key[])
+{
+ return ahosts_keys_int (AF_UNSPEC, 0, number, key);
+}
+
+static int
+ahostsv4_keys (int number, char *key[])
+{
+ return ahosts_keys_int (AF_INET, 0, number, key);
+}
+
+static int
+ahostsv6_keys (int number, char *key[])
+{
+ return ahosts_keys_int (AF_INET6, AI_V4MAPPED, number, key);
+}
+
+/* This is for netgroup */
+static int
+netgroup_keys (int number, char *key[])
+{
+ int result = 0;
+
+ if (number == 0)
+ {
+ fprintf (stderr, _("Enumeration not supported on %s\n"), "netgroup");
+ return 3;
+ }
+
+ if (number == 4)
+ {
+ char *host = strcmp (key[1], "*") == 0 ? NULL : key[1];
+ char *user = strcmp (key[2], "*") == 0 ? NULL : key[2];
+ char *domain = strcmp (key[3], "*") == 0 ? NULL : key[3];
+
+ printf ("%-21s (%s,%s,%s) = %d\n",
+ key[0], host ?: "", user ?: "", domain ?: "",
+ innetgr (key[0], host, user, domain));
+ }
+ else if (number == 1)
+ {
+ if (!setnetgrent (key[0]))
+ result = 2;
+ else
+ {
+ char *p[3];
+
+ printf ("%-21s", key[0]);
+
+ while (getnetgrent (p, p + 1, p + 2))
+ printf (" (%s,%s,%s)", p[0] ?: " ", p[1] ?: "", p[2] ?: "");
+ putchar_unlocked ('\n');
+ }
+ }
+
+ endnetgrent ();
+
+ return result;
+}
+
+/* This is for initgroups */
+static int
+initgroups_keys (int number, char *key[])
+{
+ int ngrps = 100;
+ size_t grpslen = ngrps * sizeof (gid_t);
+ gid_t *grps = alloca (grpslen);
+
+ if (number == 0)
+ {
+ fprintf (stderr, _("Enumeration not supported on %s\n"), "initgroups");
+ return 3;
+ }
+
+ for (int i = 0; i < number; ++i)
+ {
+ int no = ngrps;
+ int n;
+ while ((n = getgrouplist (key[i], -1, grps, &no)) == -1
+ && no > ngrps)
+ {
+ grps = extend_alloca (grps, grpslen, no * sizeof (gid_t));
+ ngrps = no;
+ }
+
+ if (n == -1)
+ return 1;
+
+ printf ("%-21s", key[i]);
+ for (int j = 0; j < n; ++j)
+ if (grps[j] != -1)
+ printf (" %ld", (long int) grps[j]);
+ putchar_unlocked ('\n');
+ }
+
+ return 0;
+}
+
+/* This is for networks */
+static void
+print_networks (struct netent *net)
+{
+ unsigned int i;
+ struct in_addr ip;
+ ip.s_addr = htonl (net->n_net);
+
+ printf ("%-21s %s", net->n_name, inet_ntoa (ip));
+
+ i = 0;
+ while (net->n_aliases[i] != NULL)
+ {
+ putchar_unlocked (' ');
+ fputs_unlocked (net->n_aliases[i], stdout);
+ ++i;
+ }
+ putchar_unlocked ('\n');
+}
+
+static int
+networks_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+ struct netent *net;
+
+ if (number == 0)
+ {
+ setnetent (0);
+ while ((net = getnetent ()) != NULL)
+ print_networks (net);
+ endnetent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ if (isdigit (key[i][0]))
+ net = getnetbyaddr (ntohl (inet_addr (key[i])), AF_UNSPEC);
+ else
+ net = getnetbyname (key[i]);
+
+ if (net == NULL)
+ result = 2;
+ else
+ print_networks (net);
+ }
+
+ return result;
+}
+
+/* Now is all for passwd */
+static void
+print_passwd (struct passwd *pwd)
+{
+ if (putpwent (pwd, stdout) != 0)
+ fprintf (stderr, "error writing passwd entry: %m\n");
+}
+
+static int
+passwd_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+ struct passwd *pwd;
+
+ if (number == 0)
+ {
+ setpwent ();
+ while ((pwd = getpwent ()) != NULL)
+ print_passwd (pwd);
+ endpwent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ errno = 0;
+ char *ep;
+ uid_t arg_uid = strtoul(key[i], &ep, 10);
+
+ if (errno != EINVAL && *key[i] != '\0' && *ep == '\0')
+ /* Valid numeric uid. */
+ pwd = getpwuid (arg_uid);
+ else
+ pwd = getpwnam (key[i]);
+
+ if (pwd == NULL)
+ result = 2;
+ else
+ print_passwd (pwd);
+ }
+
+ return result;
+}
+
+/* This is for protocols */
+static void
+print_protocols (struct protoent *proto)
+{
+ unsigned int i;
+
+ printf ("%-21s %d", proto->p_name, proto->p_proto);
+
+ i = 0;
+ while (proto->p_aliases[i] != NULL)
+ {
+ putchar_unlocked (' ');
+ fputs_unlocked (proto->p_aliases[i], stdout);
+ ++i;
+ }
+ putchar_unlocked ('\n');
+}
+
+static int
+protocols_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+ struct protoent *proto;
+
+ if (number == 0)
+ {
+ setprotoent (0);
+ while ((proto = getprotoent ()) != NULL)
+ print_protocols (proto);
+ endprotoent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ if (isdigit (key[i][0]))
+ proto = getprotobynumber (atol (key[i]));
+ else
+ proto = getprotobyname (key[i]);
+
+ if (proto == NULL)
+ result = 2;
+ else
+ print_protocols (proto);
+ }
+
+ return result;
+}
+
+#if HAVE_SUNRPC
+/* Now is all for rpc */
+static void
+print_rpc (struct rpcent *rpc)
+{
+ int i;
+
+ printf ("%-15s %d%s",
+ rpc->r_name, rpc->r_number, rpc->r_aliases[0] ? " " : "");
+
+ for (i = 0; rpc->r_aliases[i]; ++i)
+ printf (" %s", rpc->r_aliases[i]);
+ putchar_unlocked ('\n');
+}
+
+static int
+rpc_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+ struct rpcent *rpc;
+
+ if (number == 0)
+ {
+ setrpcent (0);
+ while ((rpc = getrpcent ()) != NULL)
+ print_rpc (rpc);
+ endrpcent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ if (isdigit (key[i][0]))
+ rpc = getrpcbynumber (atol (key[i]));
+ else
+ rpc = getrpcbyname (key[i]);
+
+ if (rpc == NULL)
+ result = 2;
+ else
+ print_rpc (rpc);
+ }
+
+ return result;
+}
+#endif
+
+/* for services */
+static void
+print_services (struct servent *serv)
+{
+ unsigned int i;
+
+ printf ("%-21s %d/%s", serv->s_name, ntohs (serv->s_port), serv->s_proto);
+
+ i = 0;
+ while (serv->s_aliases[i] != NULL)
+ {
+ putchar_unlocked (' ');
+ fputs_unlocked (serv->s_aliases[i], stdout);
+ ++i;
+ }
+ putchar_unlocked ('\n');
+}
+
+static int
+services_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+ struct servent *serv;
+
+ if (!number)
+ {
+ setservent (0);
+ while ((serv = getservent ()) != NULL)
+ print_services (serv);
+ endservent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ struct servent *serv;
+ char *proto = strchr (key[i], '/');
+
+ if (proto != NULL)
+ *proto++ = '\0';
+
+ char *endptr;
+ long port = strtol (key[i], &endptr, 10);
+
+ if (isdigit (key[i][0]) && *endptr == '\0'
+ && 0 <= port && port <= 65535)
+ serv = getservbyport (htons (port), proto);
+ else
+ serv = getservbyname (key[i], proto);
+
+ if (serv == NULL)
+ result = 2;
+ else
+ print_services (serv);
+ }
+
+ return result;
+}
+
+/* This is for shadow */
+static void
+print_shadow (struct spwd *sp)
+{
+ if (putspent (sp, stdout) != 0)
+ fprintf (stderr, "error writing shadow entry: %m\n");
+}
+
+static int
+shadow_keys (int number, char *key[])
+{
+ int result = 0;
+ int i;
+
+ if (number == 0)
+ {
+ struct spwd *sp;
+
+ setspent ();
+ while ((sp = getspent ()) != NULL)
+ print_shadow (sp);
+ endspent ();
+ return result;
+ }
+
+ for (i = 0; i < number; ++i)
+ {
+ struct spwd *sp;
+
+ sp = getspnam (key[i]);
+
+ if (sp == NULL)
+ result = 2;
+ else
+ print_shadow (sp);
+ }
+
+ return result;
+}
+
+struct
+ {
+ const char *name;
+ int (*func) (int number, char *key[]);
+ } databases[] =
+ {
+#define D(name) { #name, name ## _keys },
+D(ahosts)
+D(ahostsv4)
+D(ahostsv6)
+D(aliases)
+D(ethers)
+D(group)
+D(gshadow)
+D(hosts)
+D(initgroups)
+D(netgroup)
+D(networks)
+D(passwd)
+D(protocols)
+#if HAVE_SUNRPC
+D(rpc)
+#endif
+D(services)
+D(shadow)
+#undef D
+ { NULL, NULL }
+ };
+
+/* Handle arguments found by argp. */
+static error_t
+parse_option (int key, char *arg, struct argp_state *state)
+{
+ char *endp;
+ switch (key)
+ {
+ case 's':
+ endp = strchr (arg, ':');
+ if (endp == NULL)
+ /* No specific database, change them all. */
+ for (int i = 0; databases[i].name != NULL; ++i)
+ __nss_configure_lookup (databases[i].name, arg);
+ else
+ {
+ int i;
+ for (i = 0; databases[i].name != NULL; ++i)
+ if (strncmp (databases[i].name, arg, endp - arg) == 0)
+ {
+ __nss_configure_lookup (databases[i].name, endp + 1);
+ break;
+ }
+ if (databases[i].name == NULL)
+ error (EXIT_FAILURE, 0, gettext ("Unknown database name"));
+ }
+ break;
+
+ case 'i':
+ idn_flags = 0;
+ break;
+
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+
+ return 0;
+}
+
+
+static char *
+more_help (int key, const char *text, void *input)
+{
+ switch (key)
+ {
+ size_t len;
+ char *doc;
+ FILE *fp;
+
+ case ARGP_KEY_HELP_EXTRA:
+ /* We print some extra information. */
+ fp = open_memstream (&doc, &len);
+ if (fp != NULL)
+ {
+ fputs_unlocked (_("Supported databases:\n"), fp);
+
+ for (int i = 0, col = 0; databases[i].name != NULL; ++i)
+ {
+ len = strlen (databases[i].name);
+ if (i != 0)
+ {
+ if (col + len > 72)
+ {
+ col = 0;
+ fputc_unlocked ('\n', fp);
+ }
+ else
+ fputc_unlocked (' ', fp);
+ }
+
+ fputs_unlocked (databases[i].name, fp);
+ col += len + 1;
+ }
+
+ fputs ("\n\n", fp);
+
+ fprintf (fp, gettext ("\
+For bug reporting instructions, please see:\n\
+%s.\n"), REPORT_BUGS_TO);
+
+ if (fclose (fp) == 0)
+ return doc;
+ }
+ break;
+
+ default:
+ break;
+ }
+ return (char *) text;
+}
+
+
+/* the main function */
+int
+main (int argc, char *argv[])
+{
+ /* Debugging support. */
+ mtrace ();
+
+ /* Set locale via LC_ALL. */
+ setlocale (LC_ALL, "");
+ /* Set the text message domain. */
+ textdomain (PACKAGE);
+
+ /* Parse and process arguments. */
+ int remaining;
+ argp_parse (&argp, argc, argv, 0, &remaining, NULL);
+
+ if ((argc - remaining) < 1)
+ {
+ error (0, 0, gettext ("wrong number of arguments"));
+ argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name);
+ return 1;
+ }
+
+ for (int i = 0; databases[i].name; ++i)
+ if (argv[remaining][0] == databases[i].name[0]
+ && !strcmp (argv[remaining], databases[i].name))
+ return databases[i].func (argc - remaining - 1, &argv[remaining + 1]);
+
+ fprintf (stderr, _("Unknown database: %s\n"), argv[remaining]);
+ argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name);
+ return 1;
+}