/* * Copyright (c) 1995, 1996 * Bill Paul . All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * netid map generator program * * Written by Bill Paul * Center for Telecommunications Research * Columbia University, New York City * * $FreeBSD: src/libexec/mknetid/mknetid.c,v 1.11.2.1 2002/11/27 11:03:02 maxim Exp $ * $DragonFly: src/libexec/mknetid/mknetid.c,v 1.3 2003/11/14 03:54:30 dillon Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include "hash.h" #define LINSIZ 1024 #define OPSYS "unix" /* Default location of group file. */ const char *groupfile = _PATH_GROUP; /* Default location of master.passwd file. */ const char *passfile = _PATH_PASSWD; /* Default location of hosts file. */ const char *hostsfile = _PATH_HOSTS; /* Default location of netid file */ const char *netidfile = "/etc/netid"; /* * Stored hash table of 'reverse' group member database * which we will construct. */ struct member_entry *mtable[TABLESIZE]; /* * Dupe table: used to keep track of entries so we don't * print the same thing twice. */ struct member_entry *dtable[TABLESIZE]; extern struct group *_getgrent ( void ); extern int _setgrent ( void ); extern void _endgrent ( void ); static void usage(void) { fprintf (stderr, "%s\n%s\n", "usage: mknetid [-q] [-g group_file] [-p passwd_file] [-h hosts_file]", " [-n netid_file] [-d domain]"); exit(1); } extern FILE *_gr_fp; int main(int argc, char *argv[]) { FILE *gfp, *pfp, *hfp, *nfp; char readbuf[LINSIZ]; char writebuf[LINSIZ]; struct group *gr; struct grouplist *glist; char *domain; int ch; gid_t i; char *ptr, *pidptr, *gidptr, *hptr; int quiet = 0; domain = NULL; while ((ch = getopt(argc, argv, "g:p:h:n:d:q")) != -1) { switch(ch) { case 'g': groupfile = optarg; break; case 'p': passfile = optarg; break; case 'h': hostsfile = optarg; break; case 'n': netidfile = optarg; break; case 'd': domain = optarg; break; case 'q': quiet++; break; default: usage(); break; } } if (domain == NULL) { if (yp_get_default_domain(&domain)) errx(1, "no domain name specified and default \ domain not set"); } if ((gfp = fopen(groupfile, "r")) == NULL) { err(1, "%s", groupfile); } if ((pfp = fopen(passfile, "r")) == NULL) { err(1, "%s", passfile); } if ((hfp = fopen(hostsfile, "r")) == NULL) { err(1, "%s", hostsfile); } if ((nfp = fopen(netidfile, "r")) == NULL) { /* netid is optional -- just continue */ nfp = NULL; } _gr_fp = gfp; /* Load all the group membership info into a hash table. */ _setgrent(); while((gr = _getgrent()) != NULL) { while(*gr->gr_mem) { mstore(mtable, *gr->gr_mem, gr->gr_gid, 0); gr->gr_mem++; } } fclose(gfp); _endgrent(); /* * Now parse the passwd database, spewing out the extra * group information we just stored if necessary. */ while(fgets(readbuf, LINSIZ, pfp)) { /* Ignore comments: ^[ \t]*# */ for (ptr = readbuf; *ptr != '\0'; ptr++) if (*ptr != ' ' && *ptr != '\t') break; if (*ptr == '#' || *ptr == '\0') continue; if ((ptr = strchr(readbuf, ':')) == NULL) { warnx("bad passwd file entry: %s", readbuf); continue; } *ptr = '\0'; ptr++; if ((ptr = strchr(ptr, ':')) == NULL) { warnx("bad passwd file entry: %s", readbuf); continue; } *ptr = '\0'; ptr++; pidptr = ptr; if ((ptr = strchr(ptr, ':')) == NULL) { warnx("bad passwd file entry: %s", readbuf); continue; } *ptr = '\0'; ptr++; gidptr = ptr; if ((ptr = strchr(ptr, ':')) == NULL) { warnx("bad passwd file entry: %s", readbuf); continue; } *ptr = '\0'; i = atol(gidptr); snprintf(writebuf, sizeof(writebuf), "%s.%s@%s", OPSYS, pidptr, domain); if (lookup(dtable, writebuf)) { if (!quiet) warnx("duplicate netid '%s.%s@%s' -- skipping", OPSYS, pidptr, domain); continue; } else { mstore(dtable, writebuf, 0, 1); } printf("%s.%s@%s %s:%s", OPSYS, pidptr, domain, pidptr, gidptr); if ((glist = lookup(mtable, (char *)&readbuf)) != NULL) { while(glist) { if (glist->groupid != i) printf(",%lu", (u_long)glist->groupid); glist = glist->next; } } printf ("\n"); } fclose(pfp); /* * Now parse the hosts database (this part sucks). */ while ((ptr = fgets(readbuf, LINSIZ, hfp))) { if (*ptr == '#') continue; if (!(hptr = strpbrk(ptr, "#\n"))) continue; *hptr = '\0'; if (!(hptr = strpbrk(ptr, " \t"))) continue; *hptr++ = '\0'; ptr = hptr; while (*ptr == ' ' || *ptr == '\t') ptr++; if (!(hptr = strpbrk(ptr, " \t"))) continue; *hptr++ = '\0'; snprintf(writebuf, sizeof(writebuf), "%s.%s@%s", OPSYS, ptr, domain); if (lookup(dtable, (char *)&writebuf)) { if (!quiet) warnx("duplicate netid '%s' -- skipping", writebuf); continue; } else { mstore(dtable, (char *)&writebuf, 0, 1); } printf ("%s.%s@%s 0:%s\n", OPSYS, ptr, domain, ptr); } fclose(hfp); /* * Lastly, copy out any extra information in the netid * file. If it's not open, just ignore it: it's optional anyway. */ if (nfp != NULL) { while(fgets(readbuf, LINSIZ, nfp)) { if (readbuf[0] == '#') continue; if ((ptr = strpbrk((char*)&readbuf, " \t")) == NULL) { warnx("bad netid entry: '%s'", readbuf); continue; } writebuf[0] = *ptr; *ptr = '\0'; if (lookup(dtable, (char *)&readbuf)) { if (!quiet) warnx("duplicate netid '%s' -- skipping", readbuf); continue; } else { mstore(dtable, (char *)&readbuf, 0, 1); } *ptr = writebuf[0]; printf("%s",readbuf); } fclose(nfp); } exit(0); }