diff options
author | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-30 00:30:44 +0000 |
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committer | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-30 00:30:44 +0000 |
commit | d7ce700605e1af0e455e31ec11f19ff21d26b525 (patch) | |
tree | 243b582ac3350e8c6ce6ca96fff13805318fd65c /StdLib/BsdSocketLib/getservent.c | |
parent | f766dd76fde231ecd4f2e9faf99293e90902cebb (diff) | |
download | edk2-platforms-d7ce700605e1af0e455e31ec11f19ff21d26b525.tar.xz |
Add Socket Libraries.
Add Posix functions for porting compatibility.
Fix compliance issues with ISO/IEC 9899:199409
New Functions:
setenv(), fparseln(), GetFileNameFromPath(), rename(),
realpath(), setprogname(), getprogname(), strlcat(), strlcpy(),
strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(),
mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(),
writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(),
bcopy(),
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'StdLib/BsdSocketLib/getservent.c')
-rw-r--r-- | StdLib/BsdSocketLib/getservent.c | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/StdLib/BsdSocketLib/getservent.c b/StdLib/BsdSocketLib/getservent.c new file mode 100644 index 0000000000..572b5978fc --- /dev/null +++ b/StdLib/BsdSocketLib/getservent.c @@ -0,0 +1,277 @@ +/*
+ * Copyright (c) 1983, 1993
+ * The Regents of the University of California. 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 the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getservent.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifdef YP
+#include <rpc/rpc.h>
+#include <rpcsvc/yp_prot.h>
+#include <rpcsvc/ypclnt.h>
+static int serv_stepping_yp = 0;
+extern int _yp_check __P(( char ** ));
+#endif
+
+
+#define MAXALIASES 35
+
+static FILE *servf = NULL;
+static char line[BUFSIZ+1];
+static struct servent serv;
+static char *serv_aliases[MAXALIASES];
+int _serv_stayopen;
+
+#ifdef YP
+char *___getservbyname_yp = NULL;
+char *___getservbyproto_yp = NULL;
+int ___getservbyport_yp = 0;
+static char *yp_domain = NULL;
+
+static int
+_getservbyport_yp(line)
+ char *line;
+{
+ char *result;
+ int resultlen;
+ char buf[YPMAXRECORD + 2];
+ int rv;
+
+ snprintf(buf, sizeof(buf), "%d/%s", ntohs(___getservbyport_yp),
+ ___getservbyproto_yp);
+
+ ___getservbyport_yp = 0;
+ ___getservbyproto_yp = NULL;
+
+ if(!yp_domain) {
+ if(yp_get_default_domain(&yp_domain))
+ return (0);
+ }
+
+ /*
+ * We have to be a little flexible here. Ideally you're supposed
+ * to have both a services.byname and a services.byport map, but
+ * some systems have only services.byname. FreeBSD cheats a little
+ * by putting the services.byport information in the same map as
+ * services.byname so that either case will work. We allow for both
+ * possibilities here: if there is no services.byport map, we try
+ * services.byname instead.
+ */
+ if ((rv = yp_match(yp_domain, "services.byport", buf, strlen(buf),
+ &result, &resultlen))) {
+ if (rv == YPERR_MAP) {
+ if (yp_match(yp_domain, "services.byname", buf,
+ strlen(buf), &result, &resultlen))
+ return(0);
+ } else
+ return(0);
+ }
+
+ /* getservent() expects lines terminated with \n -- make it happy */
+ snprintf(line, BUFSIZ, "%.*s\n", resultlen, result);
+
+ free(result);
+ return(1);
+}
+
+static int
+_getservbyname_yp(line)
+ char *line;
+{
+ char *result;
+ int resultlen;
+ char buf[YPMAXRECORD + 2];
+
+ if(!yp_domain) {
+ if(yp_get_default_domain(&yp_domain))
+ return (0);
+ }
+
+ snprintf(buf, sizeof(buf), "%s/%s", ___getservbyname_yp,
+ ___getservbyproto_yp);
+
+ ___getservbyname_yp = 0;
+ ___getservbyproto_yp = NULL;
+
+ if (yp_match(yp_domain, "services.byname", buf, strlen(buf),
+ &result, &resultlen)) {
+ return(0);
+ }
+
+ /* getservent() expects lines terminated with \n -- make it happy */
+ snprintf(line, BUFSIZ, "%.*s\n", resultlen, result);
+
+ free(result);
+ return(1);
+}
+
+static int
+_getservent_yp(line)
+ char *line;
+{
+ static char *key = NULL;
+ static int keylen;
+ char *lastkey, *result;
+ int resultlen;
+ int rv;
+
+ if(!yp_domain) {
+ if(yp_get_default_domain(&yp_domain))
+ return (0);
+ }
+
+ if (!serv_stepping_yp) {
+ if (key)
+ free(key);
+ if ((rv = yp_first(yp_domain, "services.byname", &key, &keylen,
+ &result, &resultlen))) {
+ serv_stepping_yp = 0;
+ return(0);
+ }
+ serv_stepping_yp = 1;
+ } else {
+ lastkey = key;
+ rv = yp_next(yp_domain, "services.byname", key, keylen, &key,
+ &keylen, &result, &resultlen);
+ free(lastkey);
+ if (rv) {
+ serv_stepping_yp = 0;
+ return (0);
+ }
+ }
+
+ /* getservent() expects lines terminated with \n -- make it happy */
+ snprintf(line, BUFSIZ, "%.*s\n", resultlen, result);
+
+ free(result);
+
+ return(1);
+}
+#endif
+
+void
+setservent(int f)
+{
+ if (servf == NULL)
+ servf = fopen(_PATH_SERVICES, "r" );
+ else
+ rewind(servf);
+ _serv_stayopen |= f;
+}
+
+void
+endservent()
+{
+ if (servf) {
+ fclose(servf);
+ servf = NULL;
+ }
+ _serv_stayopen = 0;
+}
+
+struct servent *
+getservent()
+{
+ char *p;
+ register char *cp, **q;
+
+#ifdef YP
+ if (serv_stepping_yp && _getservent_yp(line)) {
+ p = (char *)&line;
+ goto unpack;
+ }
+tryagain:
+#endif
+ if (servf == NULL && (servf = fopen(_PATH_SERVICES, "r" )) == NULL)
+ return (NULL);
+again:
+ if ((p = fgets(line, BUFSIZ, servf)) == NULL)
+ return (NULL);
+#ifdef YP
+ if (*p == '+' && _yp_check(NULL)) {
+ if (___getservbyname_yp != NULL) {
+ if (!_getservbyname_yp(line))
+ goto tryagain;
+ }
+ else if (___getservbyport_yp != 0) {
+ if (!_getservbyport_yp(line))
+ goto tryagain;
+ }
+ else if (!_getservent_yp(line))
+ goto tryagain;
+ }
+unpack:
+#endif
+ if (*p == '#')
+ goto again;
+ cp = strpbrk(p, "#\n");
+ if (cp == NULL)
+ goto again;
+ *cp = '\0';
+ serv.s_name = p;
+ p = strpbrk(p, " \t");
+ if (p == NULL)
+ goto again;
+ *p++ = '\0';
+ while (*p == ' ' || *p == '\t')
+ p++;
+ cp = strpbrk(p, ",/");
+ if (cp == NULL)
+ goto again;
+ *cp++ = '\0';
+ serv.s_port = htons((u_short)atoi(p));
+ serv.s_proto = cp;
+ q = serv.s_aliases = serv_aliases;
+ cp = strpbrk(cp, " \t");
+ if (cp != NULL)
+ *cp++ = '\0';
+ while (cp && *cp) {
+ if (*cp == ' ' || *cp == '\t') {
+ cp++;
+ continue;
+ }
+ if (q < &serv_aliases[MAXALIASES - 1])
+ *q++ = cp;
+ cp = strpbrk(cp, " \t");
+ if (cp != NULL)
+ *cp++ = '\0';
+ }
+ *q = NULL;
+ return (&serv);
+}
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