2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
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12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
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23 * or profits or other special, indirect and consequential damages, even if
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28 * Mountain View, California 94043
30 * @(#)newkey.c 1.8 91/03/11 Copyr 1986 Sun Micro
31 * $FreeBSD: src/usr.bin/newkey/newkey.c,v 1.3 1999/08/28 01:04:34 peter Exp $
32 * $DragonFly: src/usr.bin/newkey/newkey.c,v 1.2 2003/06/17 04:29:30 dillon Exp $
36 * Copyright (C) 1986, Sun Microsystems, Inc.
40 * Administrative tool to add a new user to the publickey database
45 #include <rpc/key_prot.h>
47 #include <rpcsvc/yp_prot.h>
48 #include <rpcsvc/ypclnt.h>
55 #include <sys/resource.h>
58 #define MAXMAPNAMELEN 256
60 #define YPOP_CHANGE 1 /* change, do not add */
61 #define YPOP_INSERT 2 /* add, do not change */
62 #define YPOP_DELETE 3 /* delete this entry */
63 #define YPOP_STORE 4 /* add, or change */
73 static char *basename();
74 static char SHELL[] = "/bin/sh";
75 static char YPDBPATH[]="/var/yp";
76 static char PKMAP[] = "publickey.byname";
77 static char UPDATEFILE[] = "updaters";
79 static char PKFILE[] = "/etc/publickey";
80 static char *err_string();
83 static void usage __P((void));
90 char name[MAXNETNAMELEN + 1];
91 char public[HEXKEYBYTES + 1];
92 char secret[HEXKEYBYTES + 1];
93 char crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE + 1];
94 char crypt2[HEXKEYBYTES + KEYCHECKSUMSIZE + 1];
102 if (argc != 3 || !(strcmp(argv[1], "-u") == 0 ||
103 strcmp(argv[1], "-h") == 0)) {
107 errx(1, "must be superuser");
110 if (chdir(YPDBPATH) < 0)
111 warn("cannot chdir to %s", YPDBPATH);
113 if (strcmp(argv[1], "-u") == 0) {
114 pw = getpwnam(argv[2]);
116 errx(1, "unknown user: %s", argv[2]);
117 (void)user2netname(name, (int)pw->pw_uid, (char *)NULL);
120 h = gethostbyname(argv[2]);
122 errx(1, "unknown host: %s", argv[1]);
123 (void)host2netname(name, h->h_name, (char *)NULL);
125 (void)host2netname(name, argv[2], (char *)NULL);
129 (void)printf("Adding new key for %s.\n", name);
130 pass = getpass("New password:");
131 genkeys(public, secret, pass);
133 memcpy(crypt1, secret, HEXKEYBYTES);
134 memcpy(crypt1 + HEXKEYBYTES, secret, KEYCHECKSUMSIZE);
135 crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE] = 0;
136 xencrypt(crypt1, pass);
138 memcpy(crypt2, crypt1, HEXKEYBYTES + KEYCHECKSUMSIZE + 1);
139 xdecrypt(crypt2, getpass("Retype password:"));
140 if (memcmp(crypt2, crypt2 + HEXKEYBYTES, KEYCHECKSUMSIZE) != 0 ||
141 memcmp(crypt2, secret, HEXKEYBYTES) != 0)
142 errx(1, "password incorrect");
145 (void)printf("Please wait for the database to get updated...\n");
147 if ((status = setpublicmap(name, public, crypt1))) {
149 errx(1, "unable to update NIS database (%u): %s",
150 status, yperr_string(status));
152 errx(1, "unable to update publickey database (%u): %s",
153 status, err_string(status));
156 (void)printf("Your new key has been successfully stored away.\n");
164 (void)fprintf(stderr, "%s\n%s\n",
165 "usage: newkey [-u username]",
166 " newkey [-h hostname]");
171 * Set the entry in the public key file
173 setpublicmap(name, public, secret)
180 (void)sprintf(pkent, "%s:%s", public, secret);
182 return (mapupdate(name, PKMAP, YPOP_STORE,
183 strlen(name), name, strlen(pkent), pkent));
185 return (localupdate(name, PKFILE, YPOP_STORE,
186 strlen(name), name, strlen(pkent), pkent));
192 * This returns a pointer to an error message string appropriate
193 * to an input error code. An input value of zero will return
204 pmesg = "update operation succeeded";
207 pmesg = "no such key in file";
210 pmesg = "cannot read the database";
213 pmesg = "cannot write to the database";
216 pmesg = "cannot update database";
219 pmesg = "permission denied";
222 pmesg = "malloc failed";
225 pmesg = "unknown error";