diff options
Diffstat (limited to 'lib/librpc/secure_rpc/rpc/netname.c')
| -rw-r--r-- | lib/librpc/secure_rpc/rpc/netname.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/lib/librpc/secure_rpc/rpc/netname.c b/lib/librpc/secure_rpc/rpc/netname.c new file mode 100644 index 0000000..21e2491 --- /dev/null +++ b/lib/librpc/secure_rpc/rpc/netname.c @@ -0,0 +1,239 @@ +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)netname.c 2.2 88/08/10 4.0 RPCSRC; from 1.9 88/02/08 SMI"; +#endif +/* + * 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. + * + * 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 + */ + +/* + * Copyright (c) 1988 by Sun Microsystems, Inc. + */ + +/* + * netname utility routines + * convert from unix names to network names and vice-versa + * This module is operating system dependent! + * What we define here will work with any unix system that has adopted + * the sun yp domain architecture. + */ +#include <sys/param.h> +#include <rpc/rpc.h> +#include <ctype.h> + +extern char *sprintf(); +extern char *strncpy(); + +static char OPSYS[] = "unix"; +static char NETID[] = "netid.byname"; + +/* + * Convert network-name into unix credential + */ +netname2user(netname, uidp, gidp, gidlenp, gidlist) + char netname[MAXNETNAMELEN+1]; + int *uidp; + int *gidp; + int *gidlenp; + int *gidlist; +{ + int stat; + char *val; + char *p; + int vallen; + char *domain; + int gidlen; + + stat = yp_get_default_domain(&domain); + if (stat != 0) { + return (0); + } + stat = yp_match(domain, NETID, netname, strlen(netname), &val, &vallen); + if (stat != 0) { + return (0); + } + val[vallen] = 0; + p = val; + *uidp = atois(&p); + if (p == NULL || *p++ != ':') { + free(val); + return (0); + } + *gidp = atois(&p); + if (p == NULL) { + free(val); + return (0); + } + gidlen = 0; + for (gidlen = 0; gidlen < NGROUPS; gidlen++) { + if (*p++ != ',') { + break; + } + gidlist[gidlen] = atois(&p); + if (p == NULL) { + free(val); + return (0); + } + } + *gidlenp = gidlen; + free(val); + return (1); +} + +/* + * Convert network-name to hostname + */ +netname2host(netname, hostname, hostlen) + char netname[MAXNETNAMELEN+1]; + char *hostname; + int hostlen; +{ + int stat; + char *val; + int vallen; + char *domain; + + stat = yp_get_default_domain(&domain); + if (stat != 0) { + return (0); + } + stat = yp_match(domain, NETID, netname, strlen(netname), &val, &vallen); + if (stat != 0) { + return (0); + } + val[vallen] = 0; + if (*val != '0') { + free(val); + return (0); + } + if (val[1] != ':') { + free(val); + return (0); + } + (void) strncpy(hostname, val + 2, hostlen); + free(val); + return (1); +} + + +/* + * Figure out my fully qualified network name + */ +getnetname(name) + char name[MAXNETNAMELEN+1]; +{ + int uid; + + uid = geteuid(); + if (uid == 0) { + return (host2netname(name, (char *) NULL, (char *) NULL)); + } else { + return (user2netname(name, uid, (char *) NULL)); + } +} + + +/* + * Convert unix cred to network-name + */ +user2netname(netname, uid, domain) + char netname[MAXNETNAMELEN + 1]; + int uid; + char *domain; +{ + char *dfltdom; + +#define MAXIPRINT (11) /* max length of printed integer */ + + if (domain == NULL) { + if (yp_get_default_domain(&dfltdom) != 0) { + return (0); + } + domain = dfltdom; + } + if (strlen(domain) + 1 + MAXIPRINT > MAXNETNAMELEN) { + return (0); + } + (void) sprintf(netname, "%s.%d@%s", OPSYS, uid, domain); + return (1); +} + + +/* + * Convert host to network-name + */ +host2netname(netname, host, domain) + char netname[MAXNETNAMELEN + 1]; + char *host; + char *domain; +{ + char *dfltdom; + char hostname[MAXHOSTNAMELEN+1]; + + if (domain == NULL) { + if (yp_get_default_domain(&dfltdom) != 0) { + return (0); + } + domain = dfltdom; + } + if (host == NULL) { + (void) gethostname(hostname, sizeof(hostname)); + host = hostname; + } + if (strlen(domain) + 1 + strlen(host) > MAXNETNAMELEN) { + return (0); + } + (void) sprintf(netname, "%s.%s@%s", OPSYS, host, domain); + return (1); +} + + +static +atois(str) + char **str; +{ + char *p; + int n; + int sign; + + if (**str == '-') { + sign = -1; + (*str)++; + } else { + sign = 1; + } + n = 0; + for (p = *str; isdigit(*p); p++) { + n = (10 * n) + (*p - '0'); + } + if (p == *str) { + *str = NULL; + return (0); + } + *str = p; + return (n * sign); +} |
