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Diffstat (limited to 'usr.bin/newkey/newkey.c')
-rw-r--r-- | usr.bin/newkey/newkey.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/usr.bin/newkey/newkey.c b/usr.bin/newkey/newkey.c new file mode 100644 index 0000000..489324d --- /dev/null +++ b/usr.bin/newkey/newkey.c @@ -0,0 +1,235 @@ +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user or with the express written consent of + * Sun Microsystems, Inc. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ +#if !defined(lint) && defined(SCCSIDS) +static char sccsid[] = "@(#)newkey.c 1.8 91/03/11 Copyr 1986 Sun Micro"; +#endif + +/* + * Copyright (C) 1986, Sun Microsystems, Inc. + */ + +/* + * Administrative tool to add a new user to the publickey database + */ +#include <stdio.h> +#include <rpc/rpc.h> +#include <rpc/key_prot.h> +#ifdef YP +#include <rpcsvc/yp_prot.h> +#include <rpcsvc/ypclnt.h> +#include <sys/wait.h> +#include <netdb.h> +#endif /* YP */ +#include <pwd.h> +#include <string.h> +#include <sys/resource.h> + +#ifdef YP +#define MAXMAPNAMELEN 256 +#else +#define YPOP_CHANGE 1 /* change, do not add */ +#define YPOP_INSERT 2 /* add, do not change */ +#define YPOP_DELETE 3 /* delete this entry */ +#define YPOP_STORE 4 /* add, or change */ +#define ERR_ACCESS 1 +#define ERR_MALLOC 2 +#define ERR_READ 3 +#define ERR_WRITE 4 +#define ERR_DBASE 5 +#define ERR_KEY 6 +#endif + +extern char *getpass(); +extern char *malloc(); + +#ifdef YP +static char *basename(); +static char SHELL[] = "/bin/sh"; +static char YPDBPATH[]="/var/yp"; +static char PKMAP[] = "publickey.byname"; +static char UPDATEFILE[] = "updaters"; +#else +static char PKFILE[] = "/etc/publickey"; +static char *err_string(); +#endif /* YP */ + +main(argc, argv) + int argc; + char *argv[]; +{ + char name[MAXNETNAMELEN + 1]; + char public[HEXKEYBYTES + 1]; + char secret[HEXKEYBYTES + 1]; + char crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE + 1]; + char crypt2[HEXKEYBYTES + KEYCHECKSUMSIZE + 1]; + int status; + char *pass; + struct passwd *pw; +#ifdef undef + struct hostent *h; +#endif + + if (argc != 3 || !(strcmp(argv[1], "-u") == 0 || + strcmp(argv[1], "-h") == 0)) { + (void)fprintf(stderr, "usage: %s [-u username]\n", + argv[0]); + (void)fprintf(stderr, "usage: %s [-h hostname]\n", + argv[0]); + exit(1); + } + if (geteuid() != 0) { + (void)fprintf(stderr, "must be superuser to run %s\n", argv[0]); + exit(1); + } + +#ifdef YP + if (chdir(YPDBPATH) < 0) { + (void)fprintf(stderr, "cannot chdir to "); + perror(YPDBPATH); + } +#endif /* YP */ + if (strcmp(argv[1], "-u") == 0) { + pw = getpwnam(argv[2]); + if (pw == NULL) { + (void)fprintf(stderr, "unknown user: %s\n", argv[2]); + exit(1); + } + (void)user2netname(name, (int)pw->pw_uid, (char *)NULL); + } else { +#ifdef undef + h = gethostbyname(argv[2]); + if (h == NULL) { + (void)fprintf(stderr, "unknown host: %s\n", argv[1]); + exit(1); + } + (void)host2netname(name, h->h_name, (char *)NULL); +#else + (void)host2netname(name, argv[2], (char *)NULL); +#endif + } + + (void)printf("Adding new key for %s.\n", name); + pass = getpass("New password:"); + genkeys(public, secret, pass); + + memcpy(crypt1, secret, HEXKEYBYTES); + memcpy(crypt1 + HEXKEYBYTES, secret, KEYCHECKSUMSIZE); + crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE] = 0; + xencrypt(crypt1, pass); + + memcpy(crypt2, crypt1, HEXKEYBYTES + KEYCHECKSUMSIZE + 1); + xdecrypt(crypt2, getpass("Retype password:")); + if (memcmp(crypt2, crypt2 + HEXKEYBYTES, KEYCHECKSUMSIZE) != 0 || + memcmp(crypt2, secret, HEXKEYBYTES) != 0) { + (void)fprintf(stderr, "Password incorrect.\n"); + exit(1); + } + +#ifdef YP + (void)printf("Please wait for the database to get updated...\n"); +#endif + if (status = setpublicmap(name, public, crypt1)) { +#ifdef YP + (void)fprintf(stderr, + "%s: unable to update NIS database (%u): %s\n", + argv[0], status, yperr_string(status)); +#else + (void)fprintf(stderr, + "%s: unable to update publickey database (%u): %s\n", + argv[0], status, err_string(status)); +#endif + exit(1); + } + (void)printf("Your new key has been successfully stored away.\n"); + exit(0); + /* NOTREACHED */ +} + +/* + * Set the entry in the public key file + */ +setpublicmap(name, public, secret) + char *name; + char *public; + char *secret; +{ + char pkent[1024]; + + (void)sprintf(pkent, "%s:%s", public, secret); +#ifdef YP + return (mapupdate(name, PKMAP, YPOP_STORE, + strlen(name), name, strlen(pkent), pkent)); +#else + return (localupdate(name, PKFILE, YPOP_STORE, + strlen(name), name, strlen(pkent), pkent)); +#endif + } + +#ifndef YP + /* + * This returns a pointer to an error message string appropriate + * to an input error code. An input value of zero will return + * a success message. + */ +static char * +err_string(code) + int code; +{ + char *pmesg; + + switch (code) { + case 0: + pmesg = "update operation succeeded"; + break; + case ERR_KEY: + pmesg = "no such key in file"; + break; + case ERR_READ: + pmesg = "cannot read the database"; + break; + case ERR_WRITE: + pmesg = "cannot write to the database"; + break; + case ERR_DBASE: + pmesg = "cannot update database"; + break; + case ERR_ACCESS: + pmesg = "permission denied"; + break; + case ERR_MALLOC: + pmesg = "malloc failed"; + break; + default: + pmesg = "unknown error"; + break; + } + return (pmesg); +} +#endif |