2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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4 * media and as a part of the software program in whole or part. Users
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20 * OR ANY PART THEREOF.
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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 1.3 2003/10/04 20:36:49 hmp 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(void);
86 main(int argc, char **argv)
88 char name[MAXNETNAMELEN + 1];
89 char public[HEXKEYBYTES + 1];
90 char secret[HEXKEYBYTES + 1];
91 char crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE + 1];
92 char crypt2[HEXKEYBYTES + KEYCHECKSUMSIZE + 1];
100 if (argc != 3 || !(strcmp(argv[1], "-u") == 0 ||
101 strcmp(argv[1], "-h") == 0)) {
105 errx(1, "must be superuser");
108 if (chdir(YPDBPATH) < 0)
109 warn("cannot chdir to %s", YPDBPATH);
111 if (strcmp(argv[1], "-u") == 0) {
112 pw = getpwnam(argv[2]);
114 errx(1, "unknown user: %s", argv[2]);
115 (void)user2netname(name, (int)pw->pw_uid, (char *)NULL);
118 h = gethostbyname(argv[2]);
120 errx(1, "unknown host: %s", argv[1]);
121 (void)host2netname(name, h->h_name, (char *)NULL);
123 (void)host2netname(name, argv[2], (char *)NULL);
127 (void)printf("Adding new key for %s.\n", name);
128 pass = getpass("New password:");
129 genkeys(public, secret, pass);
131 memcpy(crypt1, secret, HEXKEYBYTES);
132 memcpy(crypt1 + HEXKEYBYTES, secret, KEYCHECKSUMSIZE);
133 crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE] = 0;
134 xencrypt(crypt1, pass);
136 memcpy(crypt2, crypt1, HEXKEYBYTES + KEYCHECKSUMSIZE + 1);
137 xdecrypt(crypt2, getpass("Retype password:"));
138 if (memcmp(crypt2, crypt2 + HEXKEYBYTES, KEYCHECKSUMSIZE) != 0 ||
139 memcmp(crypt2, secret, HEXKEYBYTES) != 0)
140 errx(1, "password incorrect");
143 (void)printf("Please wait for the database to get updated...\n");
145 if ((status = setpublicmap(name, public, crypt1))) {
147 errx(1, "unable to update NIS database (%u): %s",
148 status, yperr_string(status));
150 errx(1, "unable to update publickey database (%u): %s",
151 status, err_string(status));
154 (void)printf("Your new key has been successfully stored away.\n");
162 (void)fprintf(stderr, "%s\n%s\n",
163 "usage: newkey [-u username]",
164 " newkey [-h hostname]");
169 * Set the entry in the public key file
171 setpublicmap(char *name, char *public, char *secret)
175 (void)sprintf(pkent, "%s:%s", public, secret);
177 return (mapupdate(name, PKMAP, YPOP_STORE,
178 strlen(name), name, strlen(pkent), pkent));
180 return (localupdate(name, PKFILE, YPOP_STORE,
181 strlen(name), name, strlen(pkent), pkent));
187 * This returns a pointer to an error message string appropriate
188 * to an input error code. An input value of zero will return
198 pmesg = "update operation succeeded";
201 pmesg = "no such key in file";
204 pmesg = "cannot read the database";
207 pmesg = "cannot write to the database";
210 pmesg = "cannot update database";
213 pmesg = "permission denied";
216 pmesg = "malloc failed";
219 pmesg = "unknown error";