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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 1.4 2005/01/11 00:29:12 joerg Exp $
36 * Copyright (C) 1986, Sun Microsystems, Inc.
40 * Administrative tool to add a new user to the publickey database
42 #include <sys/types.h>
44 #include <sys/resource.h>
53 #include <rpc/key_prot.h>
55 #include <rpcsvc/yp_prot.h>
56 #include <rpcsvc/ypclnt.h>
64 #define MAXMAPNAMELEN 256
66 #define YPOP_CHANGE 1 /* change, do not add */
67 #define YPOP_INSERT 2 /* add, do not change */
68 #define YPOP_DELETE 3 /* delete this entry */
69 #define YPOP_STORE 4 /* add, or change */
79 static char YPDBPATH[]="/var/yp";
80 static char PKMAP[] = "publickey.byname";
82 static char PKFILE[] = "/etc/publickey";
83 static const char *err_string(int);
86 static int setpublicmap(char *, char *, char *);
87 static void usage(void);
90 main(int argc, char **argv)
92 char name[MAXNETNAMELEN + 1];
93 char public[HEXKEYBYTES + 1];
94 char secret[HEXKEYBYTES + 1];
95 char crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE + 1];
96 char crypt2[HEXKEYBYTES + KEYCHECKSUMSIZE + 1];
104 if (argc != 3 || !(strcmp(argv[1], "-u") == 0 ||
105 strcmp(argv[1], "-h") == 0)) {
109 errx(1, "must be superuser");
112 if (chdir(YPDBPATH) < 0)
113 warn("cannot chdir to %s", YPDBPATH);
115 if (strcmp(argv[1], "-u") == 0) {
116 pw = getpwnam(argv[2]);
118 errx(1, "unknown user: %s", argv[2]);
119 (void)user2netname(name, (int)pw->pw_uid, (char *)NULL);
122 h = gethostbyname(argv[2]);
124 errx(1, "unknown host: %s", argv[1]);
125 (void)host2netname(name, h->h_name, (char *)NULL);
127 (void)host2netname(name, argv[2], (char *)NULL);
131 (void)printf("Adding new key for %s.\n", name);
132 pass = getpass("New password:");
133 genkeys(public, secret, pass);
135 memcpy(crypt1, secret, HEXKEYBYTES);
136 memcpy(crypt1 + HEXKEYBYTES, secret, KEYCHECKSUMSIZE);
137 crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE] = 0;
138 xencrypt(crypt1, pass);
140 memcpy(crypt2, crypt1, HEXKEYBYTES + KEYCHECKSUMSIZE + 1);
141 xdecrypt(crypt2, getpass("Retype password:"));
142 if (memcmp(crypt2, crypt2 + HEXKEYBYTES, KEYCHECKSUMSIZE) != 0 ||
143 memcmp(crypt2, secret, HEXKEYBYTES) != 0)
144 errx(1, "password incorrect");
147 (void)printf("Please wait for the database to get updated...\n");
149 if ((status = setpublicmap(name, public, crypt1))) {
151 errx(1, "unable to update NIS database (%u): %s",
152 status, yperr_string(status));
154 errx(1, "unable to update publickey database (%u): %s",
155 status, err_string(status));
158 (void)printf("Your new key has been successfully stored away.\n");
166 (void)fprintf(stderr, "%s\n%s\n",
167 "usage: newkey [-u username]",
168 " newkey [-h hostname]");
173 * Set the entry in the public key file
176 setpublicmap(char *name, char *public, char *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, name, pkent));
191 * This returns a pointer to an error message string appropriate
192 * to an input error code. An input value of zero will return
202 pmesg = "update operation succeeded";
205 pmesg = "no such key in file";
208 pmesg = "cannot read the database";
211 pmesg = "cannot write to the database";
214 pmesg = "cannot update database";
217 pmesg = "permission denied";
220 pmesg = "malloc failed";
223 pmesg = "unknown error";