29195: Separate nameddir hash to avoid clash of

"bool" type on Solaris

1 files changed, 307 insertions, 0 deletions

diff --git a/Src/hashnameddir.c b/Src/hashnameddir.c
new file mode 100644
index 000000000..bed43d025
--- /dev/null
+++ b/Src/hashnameddir.c
@@ -0,0 +1,307 @@
+/*
+ * hashtable.c - hash tables
+ *
+ * This file is part of zsh, the Z shell.
+ *
+ * Copyright (c) 1992-1997 Paul Falstad
+ * All rights reserved.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and to distribute modified versions of this software for any
+ * purpose, provided that the above copyright notice and the following
+ * two paragraphs appear in all copies of this software.
+ *
+ * In no event shall Paul Falstad or the Zsh Development Group be liable
+ * to any party for direct, indirect, special, incidental, or consequential
+ * damages arising out of the use of this software and its documentation,
+ * even if Paul Falstad and the Zsh Development Group have been advised of
+ * the possibility of such damage.
+ *
+ * Paul Falstad and the Zsh Development Group specifically disclaim any
+ * warranties, including, but not limited to, the implied warranties of
+ * merchantability and fitness for a particular purpose.  The software
+ * provided hereunder is on an "as is" basis, and Paul Falstad and the
+ * Zsh Development Group have no obligation to provide maintenance,
+ * support, updates, enhancements, or modifications.
+ *
+ */
+
+#include "../config.h"
+
+/*
+ * On Solaris 8 there's a clash between "bool" in curses and RPC.
+ * We don't need curses here, so ensure it doesn't get included.
+ */
+#define ZSH_NO_TERM_HANDLING
+
+#include "zsh.mdh"
+#include "hashnameddir.pro"
+
+/****************************************/
+/* Named Directory Hash Table Functions */
+/****************************************/
+
+#ifdef HAVE_NIS_PLUS
+# include <rpcsvc/nis.h>
+#else
+# ifdef HAVE_NIS
+#  include	<rpc/types.h>
+#  include	<rpc/rpc.h>
+#  include	<rpcsvc/ypclnt.h>
+#  include	<rpcsvc/yp_prot.h>
+# endif
+#endif
+
+/* hash table containing named directories */
+
+/**/
+mod_export HashTable nameddirtab;
+
+/* != 0 if all the usernames have already been *
+ * added to the named directory hash table.    */
+
+static int allusersadded;
+
+/* Create new hash table for named directories */
+
+/**/
+void
+createnameddirtable(void)
+{
+    nameddirtab = newhashtable(201, "nameddirtab", NULL);
+
+    nameddirtab->hash        = hasher;
+    nameddirtab->emptytable  = emptynameddirtable;
+    nameddirtab->filltable   = fillnameddirtable;
+    nameddirtab->cmpnodes    = strcmp;
+    nameddirtab->addnode     = addnameddirnode;
+    nameddirtab->getnode     = gethashnode;
+    nameddirtab->getnode2    = gethashnode2;
+    nameddirtab->removenode  = removenameddirnode;
+    nameddirtab->disablenode = NULL;
+    nameddirtab->enablenode  = NULL;
+    nameddirtab->freenode    = freenameddirnode;
+    nameddirtab->printnode   = printnameddirnode;
+
+    allusersadded = 0;
+    finddir(NULL);		/* clear the finddir cache */
+}
+
+/* Empty the named directories table */
+
+/**/
+static void
+emptynameddirtable(HashTable ht)
+{
+    emptyhashtable(ht);
+    allusersadded = 0;
+    finddir(NULL);		/* clear the finddir cache */
+}
+
+/* Add all the usernames in the password file/database *
+ * to the named directories table.                     */
+
+#ifdef HAVE_NIS_PLUS
+static int
+add_userdir(nis_name table, nis_object *object, void *userdata)
+{
+    if (object->zo_data.objdata_u.en_data.en_cols.en_cols_len >= 6) {
+	static char name[40], dir[PATH_MAX + 1];
+	register entry_col *ec =
+	    object->zo_data.objdata_u.en_data.en_cols.en_cols_val;
+	register int nl = minimum(ec[0].ec_value.ec_value_len, 39);
+	register int dl = minimum(ec[5].ec_value.ec_value_len, PATH_MAX);
+
+	memcpy(name, ec[0].ec_value.ec_value_val, nl);
+	name[nl] = '\0';
+	memcpy(dir, ec[5].ec_value.ec_value_val, dl);
+	dir[dl] = '\0';
+
+	adduserdir(name, dir, ND_USERNAME, 1);
+    }
+    return 0;
+}
+#else
+# ifdef HAVE_NIS
+static int
+add_userdir(int status, char *key, int keylen, char *val, int vallen, char *dummy)
+{
+    char *p, *d, *de;
+
+    if (status != YP_TRUE)
+	return 1;
+
+    if (vallen > keylen && *(p = val + keylen) == ':') {
+	*p++ = '\0';
+	for (de = val + vallen - 1; *de != ':' && de > val; de--);
+	if (de > val) {
+	    *de = '\0';
+	    if ((d = strrchr(p, ':'))) {
+		if (*++d && val[0])
+		    adduserdir(val, d, ND_USERNAME, 1);
+	    }
+	}
+    }
+    return 0;
+}
+# endif /* HAVE_NIS */
+#endif  /* HAVE_NIS_PLUS */
+
+/**/
+static void
+fillnameddirtable(UNUSED(HashTable ht))
+{
+    if (!allusersadded) {
+#if defined(HAVE_NIS) || defined(HAVE_NIS_PLUS)
+	FILE *pwf;
+	char buf[BUFSIZ], *p, *d, *de;
+	int skipping, oldct = nameddirtab->ct, usepwf = 1;
+
+# ifndef HAVE_NIS_PLUS
+	char domain[YPMAXDOMAIN];
+	struct ypall_callback cb;
+
+	/* Get potential matches from NIS and cull those without local accounts */
+	if (getdomainname(domain, YPMAXDOMAIN) == 0) {
+	    cb.foreach = (int (*)()) add_userdir;
+	    cb.data = NULL;
+	    yp_all(domain, PASSWD_MAP, &cb);
+    }
+# else  /* HAVE_NIS_PLUS */
+	/* Maybe we should turn this string into a #define'd constant...? */
+
+	nis_list("passwd.org_dir", EXPAND_NAME|ALL_RESULTS|FOLLOW_LINKS|FOLLOW_PATH,
+		 add_userdir, 0);
+# endif
+	if (nameddirtab->ct == oldct) {
+	    /* Using NIS or NIS+ didn't add any user directories. This seems
+	     * fishy, so we fall back to using getpwent(). If we don't have
+	     * that, we only use the passwd file. */
+#ifdef HAVE_GETPWENT
+	    struct passwd *pw;
+
+	    setpwent();
+
+	    /* loop through the password file/database *
+	     * and add all entries returned.           */
+	    while ((pw = getpwent()) && !errflag)
+		adduserdir(pw->pw_name, pw->pw_dir, ND_USERNAME, 1);
+
+	    endpwent();
+	    usepwf = 0;
+#endif /* HAVE_GETPWENT */
+	}
+	if (usepwf) {
+	    /* Don't forget the non-NIS matches from the flat passwd file */
+	    if ((pwf = fopen(PASSWD_FILE, "r")) != NULL) {
+		skipping = 0;
+		while (fgets(buf, BUFSIZ, pwf) != NULL) {
+		    if (strchr(buf, '\n') != NULL) {
+			if (!skipping) {
+			    if ((p = strchr(buf, ':')) != NULL) {
+				*p++ = '\0';
+				if ((de = strrchr(p, ':'))) {
+				    *de = '\0';
+				    if ((d = strrchr(p, ':'))) {
+					if (*++d && buf[0])
+					    adduserdir(buf, d, ND_USERNAME, 1);
+				    }
+				}
+			    }
+			} else
+			    skipping = 0;
+		    } else
+			skipping = 1;
+		}
+		fclose(pwf);
+	    }
+	}
+#else  /* no NIS or NIS_PLUS */
+#ifdef USE_GETPWENT
+	struct passwd *pw;
+
+	setpwent();
+
+	/* loop through the password file/database *
+	 * and add all entries returned.           */
+	while ((pw = getpwent()) && !errflag)
+	    adduserdir(pw->pw_name, pw->pw_dir, ND_USERNAME, 1);
+
+	endpwent();
+#endif /* HAVE_GETPWENT */
+#endif
+	allusersadded = 1;
+    }
+}
+
+/* Add an entry to the named directory hash *
+ * table, clearing the finddir() cache and  *
+ * initialising the `diff' member.          */
+
+/**/
+static void
+addnameddirnode(HashTable ht, char *nam, void *nodeptr)
+{
+    Nameddir nd = (Nameddir) nodeptr;
+
+    nd->diff = strlen(nd->dir) - strlen(nam);
+    finddir(NULL);		/* clear the finddir cache */
+    addhashnode(ht, nam, nodeptr);
+}
+
+/* Remove an entry from the named directory  *
+ * hash table, clearing the finddir() cache. */
+
+/**/
+static HashNode
+removenameddirnode(HashTable ht, const char *nam)
+{
+    HashNode hn = removehashnode(ht, nam);
+
+    if(hn)
+	finddir(NULL);		/* clear the finddir cache */
+    return hn;
+}
+
+/* Free up the memory used by a named directory hash node. */
+
+/**/
+static void
+freenameddirnode(HashNode hn)
+{
+    Nameddir nd = (Nameddir) hn;
+
+    zsfree(nd->node.nam);
+    zsfree(nd->dir);
+    zfree(nd, sizeof(struct nameddir));
+}
+
+/* Print a named directory */
+
+/**/
+static void
+printnameddirnode(HashNode hn, int printflags)
+{
+    Nameddir nd = (Nameddir) hn;
+
+    if (printflags & PRINT_NAMEONLY) {
+	zputs(nd->node.nam, stdout);
+	putchar('\n');
+	return;
+    }
+
+    if (printflags & PRINT_LIST) {
+      printf("hash -d ");
+
+      if(nd->node.nam[0] == '-')
+	    printf("-- ");
+    }
+
+    quotedzputs(nd->node.nam, stdout);
+    putchar('=');
+    quotedzputs(nd->dir, stdout);
+    putchar('\n');
+}
+
+#include "../config.h"