New file, based on NET2 code but with DES code removed.
authorroland <roland>
Wed, 26 Jul 1995 00:13:55 +0000 (00:13 +0000)
committerroland <roland>
Wed, 26 Jul 1995 00:13:55 +0000 (00:13 +0000)
inet/ruserpass.c [new file with mode: 0644]

diff --git a/inet/ruserpass.c b/inet/ruserpass.c
new file mode 100644 (file)
index 0000000..7472758
--- /dev/null
@@ -0,0 +1,287 @@
+/*
+ * Copyright (c) 1985, 1993, 1994
+ *     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.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)ruserpass.c        8.3 (Berkeley) 4/2/94";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <ctype.h>
+/*#include <err.h> */
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/* #include "ftp_var.h" */
+
+static int token __P((void));
+static FILE *cfile;
+
+#define        DEFAULT 1
+#define        LOGIN   2
+#define        PASSWD  3
+#define        ACCOUNT 4
+#define MACDEF  5
+#define        ID      10
+#define        MACHINE 11
+
+static char tokval[100];
+
+static struct toktab {
+       char *tokstr;
+       int tval;
+} toktab[]= {
+       { "default",    DEFAULT },
+       { "login",      LOGIN },
+       { "password",   PASSWD },
+       { "passwd",     PASSWD },
+       { "account",    ACCOUNT },
+       { "machine",    MACHINE },
+       { "macdef",     MACDEF },
+       { NULL,         0 }
+};
+
+
+
+int
+ruserpass(host, aname, apass)
+       char *host, **aname, **apass;
+{
+       char *hdir, buf[BUFSIZ], *tmp;
+       char myname[1024], *mydomain;
+       int t, i, c, usedefault = 0;
+       struct stat stb;
+
+       hdir = getenv("HOME");
+       if (hdir == NULL)
+               hdir = ".";
+       (void) sprintf(buf, "%s/.netrc", hdir);
+       cfile = fopen(buf, "r");
+       if (cfile == NULL) {
+/*             if (errno != ENOENT)
+                       warn("%s", buf);*/
+               return (0);
+       }
+       if (gethostname(myname, sizeof(myname)) < 0)
+               myname[0] = '\0';
+       if ((mydomain = strchr(myname, '.')) == NULL)
+               mydomain = "";
+next:
+       while ((t = token())) switch(t) {
+
+       case DEFAULT:
+               usedefault = 1;
+               /* FALL THROUGH */
+
+       case MACHINE:
+               if (!usedefault) {
+                       if (token() != ID)
+                               continue;
+                       /*
+                        * Allow match either for user's input host name
+                        * or official hostname.  Also allow match of 
+                        * incompletely-specified host in local domain.
+                        */
+                       if (strcasecmp(host, tokval) == 0)
+                               goto match;
+/*                     if (strcasecmp(hostname, tokval) == 0)
+                               goto match; 
+                       if ((tmp = strchr(hostname, '.')) != NULL &&
+                           strcasecmp(tmp, mydomain) == 0 &&
+                           strncasecmp(hostname, tokval, tmp-hostname) == 0 &&
+                           tokval[tmp - hostname] == '\0')
+                               goto match; */
+                       if ((tmp = strchr(host, '.')) != NULL &&
+                           strcasecmp(tmp, mydomain) == 0 &&
+                           strncasecmp(host, tokval, tmp - host) == 0 &&
+                           tokval[tmp - host] == '\0')
+                               goto match;
+                       continue;
+               }
+       match:
+               while ((t = token()) && t != MACHINE && t != DEFAULT) switch(t) {
+
+               case LOGIN:
+                       if (token())
+                               if (*aname == 0) { 
+                                       *aname = malloc((unsigned) strlen(tokval) + 1);
+                                       (void) strcpy(*aname, tokval);
+                               } else {
+                                       if (strcmp(*aname, tokval))
+                                               goto next;
+                               }
+                       break;
+               case PASSWD:
+                       if (strcmp(*aname, "anonymous") &&
+                           fstat(fileno(cfile), &stb) >= 0 &&
+                           (stb.st_mode & 077) != 0) {
+/*     warnx("Error: .netrc file is readable by others.");
+       warnx("Remove password or make file unreadable by others.");*/
+                               goto bad;
+                       }
+                       if (token() && *apass == 0) {
+                               *apass = malloc((unsigned) strlen(tokval) + 1);
+                               (void) strcpy(*apass, tokval);
+                       }
+                       break;
+               case ACCOUNT:
+#if 0
+                       if (fstat(fileno(cfile), &stb) >= 0
+                           && (stb.st_mode & 077) != 0) {
+       warnx("Error: .netrc file is readable by others.");
+       warnx("Remove account or make file unreadable by others.");
+                               goto bad;
+                       }
+                       if (token() && *aacct == 0) {
+                               *aacct = malloc((unsigned) strlen(tokval) + 1);
+                               (void) strcpy(*aacct, tokval);
+                       }
+#endif
+                       break;
+               case MACDEF:
+#if 0
+                       if (proxy) {
+                               (void) fclose(cfile);
+                               return (0);
+                       } 
+                       while ((c=getc(cfile)) != EOF && c == ' ' || c == '\t');
+                       if (c == EOF || c == '\n') {
+                               printf("Missing macdef name argument.\n");
+                               goto bad;
+                       }
+                       if (macnum == 16) {
+                               printf("Limit of 16 macros have already been defined\n");
+                               goto bad;
+                       }
+                       tmp = macros[macnum].mac_name;
+                       *tmp++ = c;
+                       for (i=0; i < 8 && (c=getc(cfile)) != EOF &&
+                           !isspace(c); ++i) {
+                               *tmp++ = c;
+                       }
+                       if (c == EOF) {
+                               printf("Macro definition missing null line terminator.\n");
+                               goto bad;
+                       }
+                       *tmp = '\0';
+                       if (c != '\n') {
+                               while ((c=getc(cfile)) != EOF && c != '\n');
+                       }
+                       if (c == EOF) {
+                               printf("Macro definition missing null line terminator.\n");
+                               goto bad;
+                       }
+                       if (macnum == 0) {
+                               macros[macnum].mac_start = macbuf;
+                       }
+                       else {
+                               macros[macnum].mac_start = macros[macnum-1].mac_end + 1;
+                       }
+                       tmp = macros[macnum].mac_start;
+                       while (tmp != macbuf + 4096) {
+                               if ((c=getc(cfile)) == EOF) {
+                               printf("Macro definition missing null line terminator.\n");
+                                       goto bad;
+                               }
+                               *tmp = c;
+                               if (*tmp == '\n') {
+                                       if (*(tmp-1) == '\0') {
+                                          macros[macnum++].mac_end = tmp - 1;
+                                          break;
+                                       }
+                                       *tmp = '\0';
+                               }
+                               tmp++;
+                       }
+                       if (tmp == macbuf + 4096) {
+                               printf("4K macro buffer exceeded\n");
+                               goto bad;
+                       }
+#endif
+                       break;
+               default:
+/*                     warnx("Unknown .netrc keyword %s", tokval);*/
+                       break;
+               }
+               goto done;
+       }
+done:
+       (void) fclose(cfile);
+       return (0);
+bad:
+       (void) fclose(cfile);
+       return (-1);
+}
+
+static int
+token()
+{
+       char *cp;
+       int c;
+       struct toktab *t;
+
+       if (feof(cfile) || ferror(cfile))
+               return (0);
+       while ((c = getc(cfile)) != EOF &&
+           (c == '\n' || c == '\t' || c == ' ' || c == ','))
+               continue;
+       if (c == EOF)
+               return (0);
+       cp = tokval;
+       if (c == '"') {
+               while ((c = getc(cfile)) != EOF && c != '"') {
+                       if (c == '\\')
+                               c = getc(cfile);
+                       *cp++ = c;
+               }
+       } else {
+               *cp++ = c;
+               while ((c = getc(cfile)) != EOF
+                   && c != '\n' && c != '\t' && c != ' ' && c != ',') {
+                       if (c == '\\')
+                               c = getc(cfile);
+                       *cp++ = c;
+               }
+       }
+       *cp = 0;
+       if (tokval[0] == 0)
+               return (0);
+       for (t = toktab; t->tokstr; t++)
+               if (!strcmp(t->tokstr, tokval))
+                       return (t->tval);
+       return (ID);
+}