+++ /dev/null
-/*\r
- * Copyright (c) 1983, 1993\r
- * The Regents of the University of California. All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- * 3. All advertising materials mentioning features or use of this software\r
- * must display the following acknowledgement:\r
- * This product includes software developed by the University of\r
- * California, Berkeley and its contributors.\r
- * 4. Neither the name of the University nor the names of its contributors\r
- * may be used to endorse or promote products derived from this software\r
- * without specific prior written permission.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
- * SUCH DAMAGE.\r
- */\r
-\r
-#if defined(LIBC_SCCS) && !defined(lint)\r
-static char sccsid[] = "@(#)getservent.c 8.1 (Berkeley) 6/4/93";\r
-#endif /* LIBC_SCCS and not lint */\r
-\r
-#include <sys/types.h>\r
-#include <sys/socket.h>\r
-#include <netdb.h>\r
-#include <stdio.h>\r
-#include <string.h>\r
-#include <stdlib.h>\r
-#ifdef YP\r
-#include <rpc/rpc.h>\r
-#include <rpcsvc/yp_prot.h>\r
-#include <rpcsvc/ypclnt.h>\r
-static int serv_stepping_yp = 0;\r
-extern int _yp_check __P(( char ** ));\r
-#endif\r
-\r
-\r
-#define MAXALIASES 35\r
-\r
-static FILE *servf = NULL;\r
-static char line[BUFSIZ+1];\r
-static struct servent serv;\r
-static char *serv_aliases[MAXALIASES];\r
-int _serv_stayopen;\r
-\r
-#ifdef YP\r
-char *___getservbyname_yp = NULL;\r
-char *___getservbyproto_yp = NULL;\r
-int ___getservbyport_yp = 0;\r
-static char *yp_domain = NULL;\r
-\r
-static int\r
-_getservbyport_yp(line)\r
- char *line;\r
-{\r
- char *result;\r
- int resultlen;\r
- char buf[YPMAXRECORD + 2];\r
- int rv;\r
-\r
- snprintf(buf, sizeof(buf), "%d/%s", ntohs(___getservbyport_yp),\r
- ___getservbyproto_yp);\r
-\r
- ___getservbyport_yp = 0;\r
- ___getservbyproto_yp = NULL;\r
-\r
- if(!yp_domain) {\r
- if(yp_get_default_domain(&yp_domain))\r
- return (0);\r
- }\r
-\r
- /*\r
- * We have to be a little flexible here. Ideally you're supposed\r
- * to have both a services.byname and a services.byport map, but\r
- * some systems have only services.byname. FreeBSD cheats a little\r
- * by putting the services.byport information in the same map as\r
- * services.byname so that either case will work. We allow for both\r
- * possibilities here: if there is no services.byport map, we try\r
- * services.byname instead.\r
- */\r
- if ((rv = yp_match(yp_domain, "services.byport", buf, strlen(buf),\r
- &result, &resultlen))) {\r
- if (rv == YPERR_MAP) {\r
- if (yp_match(yp_domain, "services.byname", buf,\r
- strlen(buf), &result, &resultlen))\r
- return(0);\r
- } else\r
- return(0);\r
- }\r
- \r
- /* getservent() expects lines terminated with \n -- make it happy */\r
- snprintf(line, BUFSIZ, "%.*s\n", resultlen, result);\r
-\r
- free(result);\r
- return(1);\r
-}\r
-\r
-static int\r
-_getservbyname_yp(line)\r
- char *line;\r
-{\r
- char *result;\r
- int resultlen;\r
- char buf[YPMAXRECORD + 2];\r
-\r
- if(!yp_domain) {\r
- if(yp_get_default_domain(&yp_domain))\r
- return (0);\r
- }\r
-\r
- snprintf(buf, sizeof(buf), "%s/%s", ___getservbyname_yp,\r
- ___getservbyproto_yp);\r
-\r
- ___getservbyname_yp = 0;\r
- ___getservbyproto_yp = NULL;\r
-\r
- if (yp_match(yp_domain, "services.byname", buf, strlen(buf),\r
- &result, &resultlen)) {\r
- return(0);\r
- }\r
- \r
- /* getservent() expects lines terminated with \n -- make it happy */\r
- snprintf(line, BUFSIZ, "%.*s\n", resultlen, result);\r
-\r
- free(result);\r
- return(1);\r
-}\r
-\r
-static int\r
-_getservent_yp(line)\r
- char *line;\r
-{\r
- static char *key = NULL;\r
- static int keylen;\r
- char *lastkey, *result;\r
- int resultlen;\r
- int rv;\r
-\r
- if(!yp_domain) {\r
- if(yp_get_default_domain(&yp_domain))\r
- return (0);\r
- }\r
-\r
- if (!serv_stepping_yp) {\r
- if (key)\r
- free(key);\r
- if ((rv = yp_first(yp_domain, "services.byname", &key, &keylen,\r
- &result, &resultlen))) {\r
- serv_stepping_yp = 0;\r
- return(0);\r
- }\r
- serv_stepping_yp = 1;\r
- } else {\r
- lastkey = key;\r
- rv = yp_next(yp_domain, "services.byname", key, keylen, &key,\r
- &keylen, &result, &resultlen);\r
- free(lastkey);\r
- if (rv) {\r
- serv_stepping_yp = 0;\r
- return (0);\r
- }\r
- }\r
-\r
- /* getservent() expects lines terminated with \n -- make it happy */\r
- snprintf(line, BUFSIZ, "%.*s\n", resultlen, result);\r
-\r
- free(result);\r
-\r
- return(1);\r
-}\r
-#endif\r
-\r
-void\r
-setservent(int f)\r
-{\r
- if (servf == NULL)\r
- servf = fopen(_PATH_SERVICES, "r" );\r
- else\r
- rewind(servf);\r
- _serv_stayopen |= f;\r
-}\r
-\r
-void\r
-endservent()\r
-{\r
- if (servf) {\r
- fclose(servf);\r
- servf = NULL;\r
- }\r
- _serv_stayopen = 0;\r
-}\r
-\r
-struct servent *\r
-getservent()\r
-{\r
- char *p;\r
- register char *cp, **q;\r
-\r
-#ifdef YP\r
- if (serv_stepping_yp && _getservent_yp(line)) {\r
- p = (char *)&line;\r
- goto unpack;\r
- }\r
-tryagain:\r
-#endif\r
- if (servf == NULL && (servf = fopen(_PATH_SERVICES, "r" )) == NULL)\r
- return (NULL);\r
-again:\r
- if ((p = fgets(line, BUFSIZ, servf)) == NULL)\r
- return (NULL);\r
-#ifdef YP\r
- if (*p == '+' && _yp_check(NULL)) {\r
- if (___getservbyname_yp != NULL) {\r
- if (!_getservbyname_yp(line))\r
- goto tryagain;\r
- } \r
- else if (___getservbyport_yp != 0) {\r
- if (!_getservbyport_yp(line))\r
- goto tryagain;\r
- }\r
- else if (!_getservent_yp(line))\r
- goto tryagain;\r
- }\r
-unpack:\r
-#endif\r
- if (*p == '#')\r
- goto again;\r
- cp = strpbrk(p, "#\n");\r
- if (cp == NULL)\r
- goto again;\r
- *cp = '\0';\r
- serv.s_name = p;\r
- p = strpbrk(p, " \t");\r
- if (p == NULL)\r
- goto again;\r
- *p++ = '\0';\r
- while (*p == ' ' || *p == '\t')\r
- p++;\r
- cp = strpbrk(p, ",/");\r
- if (cp == NULL)\r
- goto again;\r
- *cp++ = '\0';\r
- serv.s_port = htons((u_short)atoi(p));\r
- serv.s_proto = cp;\r
- q = serv.s_aliases = serv_aliases;\r
- cp = strpbrk(cp, " \t");\r
- if (cp != NULL)\r
- *cp++ = '\0';\r
- while (cp && *cp) {\r
- if (*cp == ' ' || *cp == '\t') {\r
- cp++;\r
- continue;\r
- }\r
- if (q < &serv_aliases[MAXALIASES - 1])\r
- *q++ = cp;\r
- cp = strpbrk(cp, " \t");\r
- if (cp != NULL)\r
- *cp++ = '\0';\r
- }\r
- *q = NULL;\r
- return (&serv);\r
-}\r
projects / mirror_edk2.git / blobdiff