Annotation of src/usr.bin/sudo/parse.c, Revision 1.23
1.1 millert 1: /*
1.20 millert 2: * Copyright (c) 2004-2005, 2007-2008 Todd C. Miller <Todd.Miller@courtesan.com>
1.1 millert 3: *
1.12 millert 4: * Permission to use, copy, modify, and distribute this software for any
5: * purpose with or without fee is hereby granted, provided that the above
6: * copyright notice and this permission notice appear in all copies.
1.1 millert 7: *
1.12 millert 8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 millert 15: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
16: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
17: */
18:
1.13 millert 19: #include <config.h>
1.1 millert 20:
1.6 millert 21: #include <sys/types.h>
22: #include <sys/param.h>
1.1 millert 23: #include <stdio.h>
24: #ifdef STDC_HEADERS
25: # include <stdlib.h>
1.6 millert 26: # include <stddef.h>
27: #else
28: # ifdef HAVE_STDLIB_H
29: # include <stdlib.h>
30: # endif
1.1 millert 31: #endif /* STDC_HEADERS */
1.6 millert 32: #ifdef HAVE_STRING_H
33: # include <string.h>
34: #else
35: # ifdef HAVE_STRINGS_H
36: # include <strings.h>
37: # endif
38: #endif /* HAVE_STRING_H */
1.1 millert 39: #ifdef HAVE_UNISTD_H
40: # include <unistd.h>
41: #endif /* HAVE_UNISTD_H */
42: #include <ctype.h>
43: #include <pwd.h>
44: #include <grp.h>
45:
46: #include "sudo.h"
47: #include "parse.h"
1.20 millert 48: #include "lbuf.h"
49: #include <gram.h>
1.1 millert 50:
51: #ifndef lint
1.23 ! millert 52: __unused static const char rcsid[] = "$Sudo: parse.c,v 1.239 2009/03/28 13:07:16 millert Exp $";
1.1 millert 53: #endif /* lint */
54:
1.20 millert 55: /* Characters that must be quoted in sudoers */
56: #define SUDOERS_QUOTED ":\\,=#\""
57:
58: /* sudoers nsswitch routines */
59: struct sudo_nss sudo_nss_file = {
60: &sudo_nss_file,
61: NULL,
62: sudo_file_open,
63: sudo_file_close,
64: sudo_file_parse,
65: sudo_file_setdefs,
66: sudo_file_lookup,
67: sudo_file_display_cmnd,
68: sudo_file_display_defaults,
69: sudo_file_display_bound_defaults,
70: sudo_file_display_privs
71: };
72:
1.1 millert 73: /*
1.20 millert 74: * Parser externs.
1.1 millert 75: */
1.20 millert 76: extern FILE *yyin;
77: extern char *errorfile;
78: extern int errorlineno, parse_error;
1.1 millert 79:
80: /*
1.20 millert 81: * Local prototypes.
1.1 millert 82: */
1.20 millert 83: static void print_member __P((struct lbuf *, char *, int, int, int));
84: static int display_bound_defaults __P((int, struct lbuf *));
85:
86: int
87: sudo_file_open(nss)
88: struct sudo_nss *nss;
89: {
90: if (def_ignore_local_sudoers)
91: return(-1);
92: nss->handle = open_sudoers(_PATH_SUDOERS, NULL);
93: return(nss->handle ? 0 : -1);
94: }
95:
96: int
97: sudo_file_close(nss)
98: struct sudo_nss *nss;
99: {
100: /* Free parser data structures and close sudoers file. */
101: init_parser(NULL, 0);
102: if (nss->handle != NULL) {
103: fclose(nss->handle);
104: nss->handle = NULL;
105: yyin = NULL;
106: }
107: return(0);
108: }
1.1 millert 109:
110: /*
1.20 millert 111: * Parse the specified sudoers file.
1.1 millert 112: */
113: int
1.20 millert 114: sudo_file_parse(nss)
115: struct sudo_nss *nss;
1.1 millert 116: {
1.20 millert 117: if (nss->handle == NULL)
118: return(-1);
1.1 millert 119:
1.20 millert 120: init_parser(_PATH_SUDOERS, 0);
121: yyin = nss->handle;
122: if (yyparse() != 0 || parse_error) {
123: log_error(NO_EXIT, "parse error in %s near line %d",
124: errorfile, errorlineno);
125: return(-1);
126: }
127: return(0);
128: }
1.1 millert 129:
1.20 millert 130: /*
131: * Wrapper around update_defaults() for nsswitch code.
132: */
133: int
134: sudo_file_setdefs(nss)
135: struct sudo_nss *nss;
136: {
137: if (nss->handle == NULL)
138: return(-1);
1.1 millert 139:
1.20 millert 140: if (!update_defaults(SETDEF_GENERIC|SETDEF_HOST|SETDEF_USER))
141: return(-1);
142: return(0);
143: }
1.3 millert 144:
1.20 millert 145: /*
146: * Look up the user in the parsed sudoers file and check to see if they are
147: * allowed to run the specified command on this host as the target user.
148: */
149: int
150: sudo_file_lookup(nss, validated, pwflag)
151: struct sudo_nss *nss;
152: int validated;
153: int pwflag;
154: {
155: int match, host_match, runas_match, cmnd_match;
156: struct cmndspec *cs;
157: struct cmndtag *tags = NULL;
158: struct privilege *priv;
159: struct userspec *us;
1.1 millert 160:
1.20 millert 161: if (nss->handle == NULL)
162: return(validated);
1.1 millert 163:
164: /*
1.12 millert 165: * Only check the actual command if pwflag is not set.
1.3 millert 166: * It is set for the "validate", "list" and "kill" pseudo-commands.
1.1 millert 167: * Always check the host and user.
168: */
1.12 millert 169: if (pwflag) {
1.22 millert 170: int nopass;
1.13 millert 171: enum def_tupple pwcheck;
172:
173: pwcheck = (pwflag == -1) ? never : sudo_defs_table[pwflag].sd_un.tuple;
1.22 millert 174: nopass = (pwcheck == all) ? TRUE : FALSE;
1.3 millert 175:
1.20 millert 176: if (list_pw == NULL)
177: SET(validated, FLAG_NO_CHECK);
178: CLR(validated, FLAG_NO_USER);
179: CLR(validated, FLAG_NO_HOST);
180: match = DENY;
1.22 millert 181: tq_foreach_fwd(&userspecs, us) {
1.20 millert 182: if (userlist_matches(sudo_user.pw, &us->users) != ALLOW)
183: continue;
1.22 millert 184: tq_foreach_fwd(&us->privileges, priv) {
1.20 millert 185: if (hostlist_matches(&priv->hostlist) != ALLOW)
186: continue;
1.22 millert 187: tq_foreach_fwd(&priv->cmndlist, cs) {
1.20 millert 188: /* Only check the command when listing another user. */
189: if (user_uid == 0 || list_pw == NULL ||
190: user_uid == list_pw->pw_uid ||
191: cmnd_matches(cs->cmnd) == ALLOW)
192: match = ALLOW;
1.22 millert 193: if ((pwcheck == any && cs->tags.nopasswd == TRUE) ||
194: (pwcheck == all && cs->tags.nopasswd != TRUE))
1.20 millert 195: nopass = cs->tags.nopasswd;
196: }
1.1 millert 197: }
198: }
1.20 millert 199: if (match == ALLOW || user_uid == 0) {
200: /* User has an entry for this host. */
201: SET(validated, VALIDATE_OK);
202: } else if (match == DENY)
203: SET(validated, VALIDATE_NOT_OK);
204: if (pwcheck == always && def_authenticate)
205: SET(validated, FLAG_CHECK_USER);
206: else if (pwcheck == never || nopass == TRUE)
207: def_authenticate = FALSE;
208: return(validated);
209: }
210:
211: /* Need to be runas user while stat'ing things. */
212: set_perms(PERM_RUNAS);
213:
214: match = UNSPEC;
215: tq_foreach_rev(&userspecs, us) {
216: if (userlist_matches(sudo_user.pw, &us->users) != ALLOW)
217: continue;
218: CLR(validated, FLAG_NO_USER);
219: tq_foreach_rev(&us->privileges, priv) {
220: host_match = hostlist_matches(&priv->hostlist);
221: if (host_match == ALLOW)
222: CLR(validated, FLAG_NO_HOST);
223: else
224: continue;
225: tq_foreach_rev(&priv->cmndlist, cs) {
226: runas_match = runaslist_matches(&cs->runasuserlist,
227: &cs->runasgrouplist);
228: if (runas_match == ALLOW) {
229: cmnd_match = cmnd_matches(cs->cmnd);
230: if (cmnd_match != UNSPEC) {
231: match = cmnd_match;
232: tags = &cs->tags;
1.19 millert 233: #ifdef HAVE_SELINUX
1.20 millert 234: /* Set role and type if not specified on command line. */
235: if (user_role == NULL)
236: user_role = cs->role ? estrdup(cs->role) : def_role;
237: if (user_type == NULL)
238: user_type = cs->type ? estrdup(cs->type) : def_type;
239: #endif /* HAVE_SELINUX */
240: goto matched2;
1.19 millert 241: }
1.1 millert 242: }
243: }
244: }
1.3 millert 245: }
1.20 millert 246: matched2:
247: if (match == ALLOW) {
248: SET(validated, VALIDATE_OK);
249: CLR(validated, VALIDATE_NOT_OK);
250: if (tags != NULL) {
251: if (tags->nopasswd != UNSPEC)
252: def_authenticate = !tags->nopasswd;
253: if (tags->noexec != UNSPEC)
254: def_noexec = tags->noexec;
255: if (tags->setenv != UNSPEC)
256: def_setenv = tags->setenv;
257: }
258: } else if (match == DENY) {
259: SET(validated, VALIDATE_NOT_OK);
260: CLR(validated, VALIDATE_OK);
261: }
1.12 millert 262: set_perms(PERM_ROOT);
1.20 millert 263: return(validated);
1.1 millert 264: }
265:
1.20 millert 266: #define TAG_CHANGED(t) \
267: (cs->tags.t != UNSPEC && cs->tags.t != IMPLIED && cs->tags.t != tags->t)
1.1 millert 268:
1.20 millert 269: static void
270: sudo_file_append_cmnd(cs, tags, lbuf)
271: struct cmndspec *cs;
272: struct cmndtag *tags;
273: struct lbuf *lbuf;
274: {
275: struct member *m;
1.1 millert 276:
1.20 millert 277: #ifdef HAVE_SELINUX
278: if (cs->role)
279: lbuf_append(lbuf, "ROLE=", cs->role, " ", NULL);
280: if (cs->type)
281: lbuf_append(lbuf, "TYPE=", cs->type, " ", NULL);
282: #endif /* HAVE_SELINUX */
283: if (TAG_CHANGED(setenv)) {
284: lbuf_append(lbuf, cs->tags.setenv ? "SETENV: " :
285: "NOSETENV: ", NULL);
286: tags->setenv = cs->tags.setenv;
287: }
288: if (TAG_CHANGED(noexec)) {
289: lbuf_append(lbuf, cs->tags.noexec ? "NOEXEC: " :
290: "EXEC: ", NULL);
291: tags->noexec = cs->tags.noexec;
292: }
293: if (TAG_CHANGED(nopasswd)) {
294: lbuf_append(lbuf, cs->tags.nopasswd ? "NOPASSWD: " :
295: "PASSWD: ", NULL);
296: tags->nopasswd = cs->tags.nopasswd;
297: }
298: m = cs->cmnd;
299: print_member(lbuf, m->name, m->type, m->negated,
300: CMNDALIAS);
301: }
1.1 millert 302:
1.20 millert 303: static int
304: sudo_file_display_priv_short(pw, us, lbuf)
305: struct passwd *pw;
306: struct userspec *us;
307: struct lbuf *lbuf;
308: {
309: struct cmndspec *cs;
310: struct member *m;
311: struct privilege *priv;
312: struct cmndtag tags;
313: int nfound = 0;
314:
315: tq_foreach_fwd(&us->privileges, priv) {
316: tags.noexec = UNSPEC;
317: tags.setenv = UNSPEC;
318: tags.nopasswd = UNSPEC;
319: lbuf_append(lbuf, " ", NULL);
320: tq_foreach_fwd(&priv->cmndlist, cs) {
321: if (cs != tq_first(&priv->cmndlist))
322: lbuf_append(lbuf, ", ", NULL);
323: lbuf_append(lbuf, "(", NULL);
324: if (!tq_empty(&cs->runasuserlist)) {
325: tq_foreach_fwd(&cs->runasuserlist, m) {
326: if (m != tq_first(&cs->runasuserlist))
327: lbuf_append(lbuf, ", ", NULL);
328: print_member(lbuf, m->name, m->type, m->negated,
329: RUNASALIAS);
330: }
331: } else {
332: lbuf_append(lbuf, def_runas_default, NULL);
333: }
334: if (!tq_empty(&cs->runasgrouplist)) {
335: lbuf_append(lbuf, " : ", NULL);
336: tq_foreach_fwd(&cs->runasgrouplist, m) {
337: if (m != tq_first(&cs->runasgrouplist))
338: lbuf_append(lbuf, ", ", NULL);
339: print_member(lbuf, m->name, m->type, m->negated,
340: RUNASALIAS);
341: }
1.1 millert 342: }
1.20 millert 343: lbuf_append(lbuf, ") ", NULL);
344: sudo_file_append_cmnd(cs, &tags, lbuf);
345: nfound++;
1.1 millert 346: }
1.20 millert 347: lbuf_print(lbuf); /* forces a newline */
1.1 millert 348: }
1.20 millert 349: return(nfound);
1.1 millert 350: }
351:
1.15 millert 352: static int
1.20 millert 353: sudo_file_display_priv_long(pw, us, lbuf)
354: struct passwd *pw;
355: struct userspec *us;
356: struct lbuf *lbuf;
1.1 millert 357: {
1.20 millert 358: struct cmndspec *cs;
359: struct member *m;
360: struct privilege *priv;
361: struct cmndtag tags;
362: int nfound = 0;
363:
364: tq_foreach_fwd(&us->privileges, priv) {
365: tags.noexec = UNSPEC;
366: tags.setenv = UNSPEC;
367: tags.nopasswd = UNSPEC;
368: lbuf_print(lbuf); /* force a newline */
369: lbuf_append(lbuf, "Sudoers entry:", NULL);
370: lbuf_print(lbuf);
371: tq_foreach_fwd(&priv->cmndlist, cs) {
372: lbuf_append(lbuf, " RunAsUsers: ", NULL);
373: if (!tq_empty(&cs->runasuserlist)) {
374: tq_foreach_fwd(&cs->runasuserlist, m) {
375: if (m != tq_first(&cs->runasuserlist))
376: lbuf_append(lbuf, ", ", NULL);
377: print_member(lbuf, m->name, m->type, m->negated,
378: RUNASALIAS);
379: }
380: } else {
381: lbuf_append(lbuf, def_runas_default, NULL);
382: }
383: lbuf_print(lbuf);
384: if (!tq_empty(&cs->runasgrouplist)) {
385: lbuf_append(lbuf, " RunAsGroups: ", NULL);
386: tq_foreach_fwd(&cs->runasgrouplist, m) {
387: if (m != tq_first(&cs->runasgrouplist))
388: lbuf_append(lbuf, ", ", NULL);
389: print_member(lbuf, m->name, m->type, m->negated,
390: RUNASALIAS);
1.15 millert 391: }
1.20 millert 392: lbuf_print(lbuf);
393: }
394: lbuf_append(lbuf, " Commands: ", NULL);
395: lbuf_print(lbuf);
396: lbuf_append(lbuf, "\t", NULL);
397: sudo_file_append_cmnd(cs, &tags, lbuf);
398: lbuf_print(lbuf);
399: nfound++;
1.15 millert 400: }
401: }
1.20 millert 402: return(nfound);
1.15 millert 403: }
404:
1.20 millert 405: int
406: sudo_file_display_privs(nss, pw, lbuf)
407: struct sudo_nss *nss;
408: struct passwd *pw;
409: struct lbuf *lbuf;
410: {
411: struct userspec *us;
412: int nfound = 0;
1.15 millert 413:
1.20 millert 414: if (nss->handle == NULL)
415: return(-1);
1.1 millert 416:
1.20 millert 417: tq_foreach_fwd(&userspecs, us) {
418: /* XXX - why only check the first privilege here? */
419: if (userlist_matches(pw, &us->users) != ALLOW ||
420: hostlist_matches(&us->privileges.first->hostlist) != ALLOW)
1.15 millert 421: continue;
1.20 millert 422:
423: if (long_list)
424: nfound += sudo_file_display_priv_long(pw, us, lbuf);
425: else
426: nfound += sudo_file_display_priv_short(pw, us, lbuf);
1.1 millert 427: }
1.20 millert 428: return(nfound);
1.15 millert 429: }
430:
431: /*
1.20 millert 432: * Display matching Defaults entries for the given user on this host.
1.15 millert 433: */
434: int
1.20 millert 435: sudo_file_display_defaults(nss, pw, lbuf)
436: struct sudo_nss *nss;
437: struct passwd *pw;
438: struct lbuf *lbuf;
1.15 millert 439: {
1.20 millert 440: struct defaults *d;
441: char *prefix = NULL;
442: int nfound = 0;
1.15 millert 443:
1.20 millert 444: if (nss->handle == NULL)
445: return(-1);
1.15 millert 446:
1.20 millert 447: if (lbuf->len == 0)
448: prefix = " ";
449: else
450: prefix = ", ";
1.1 millert 451:
1.20 millert 452: tq_foreach_fwd(&defaults, d) {
453: switch (d->type) {
454: case DEFAULTS_HOST:
455: if (hostlist_matches(&d->binding) != ALLOW)
456: continue;
457: break;
458: case DEFAULTS_USER:
459: if (userlist_matches(pw, &d->binding) != ALLOW)
460: continue;
461: break;
462: case DEFAULTS_RUNAS:
463: case DEFAULTS_CMND:
464: continue;
465: }
466: lbuf_append(lbuf, prefix, NULL);
467: if (d->val != NULL) {
468: lbuf_append(lbuf, d->var, d->op == '+' ? "+=" :
469: d->op == '-' ? "-=" : "=", NULL);
470: if (strpbrk(d->val, " \t") != NULL) {
471: lbuf_append(lbuf, "\"", NULL);
472: lbuf_append_quoted(lbuf, "\"", d->val, NULL);
473: lbuf_append(lbuf, "\"", NULL);
474: } else
475: lbuf_append_quoted(lbuf, SUDOERS_QUOTED, d->val, NULL);
476: } else
477: lbuf_append(lbuf, d->op == FALSE ? "!" : "", d->var, NULL);
478: prefix = ", ";
479: nfound++;
1.4 millert 480: }
1.20 millert 481:
482: return(nfound);
1.4 millert 483: }
484:
485: /*
1.20 millert 486: * Display Defaults entries that are per-runas or per-command
1.12 millert 487: */
488: int
1.20 millert 489: sudo_file_display_bound_defaults(nss, pw, lbuf)
490: struct sudo_nss *nss;
1.12 millert 491: struct passwd *pw;
1.20 millert 492: struct lbuf *lbuf;
1.12 millert 493: {
1.20 millert 494: int nfound = 0;
495:
496: /* XXX - should only print ones that match what the user can do. */
497: nfound += display_bound_defaults(DEFAULTS_RUNAS, lbuf);
498: nfound += display_bound_defaults(DEFAULTS_CMND, lbuf);
499:
500: return(nfound);
1.12 millert 501: }
502:
503: /*
1.20 millert 504: * Display Defaults entries of the given type.
1.1 millert 505: */
1.20 millert 506: static int
507: display_bound_defaults(dtype, lbuf)
508: int dtype;
509: struct lbuf *lbuf;
1.1 millert 510: {
1.20 millert 511: struct defaults *d;
512: struct member *m, *binding = NULL;
513: char *dname, *dsep;
514: int atype, nfound = 0;
515:
516: switch (dtype) {
517: case DEFAULTS_HOST:
518: atype = HOSTALIAS;
519: dname = "host";
520: dsep = "@";
521: break;
522: case DEFAULTS_USER:
523: atype = USERALIAS;
524: dname = "user";
525: dsep = ":";
526: break;
527: case DEFAULTS_RUNAS:
528: atype = RUNASALIAS;
529: dname = "runas";
530: dsep = ">";
531: break;
532: case DEFAULTS_CMND:
533: atype = CMNDALIAS;
534: dname = "cmnd";
535: dsep = "!";
536: break;
537: default:
538: return(-1);
539: }
540: /* printf("Per-%s Defaults entries:\n", dname); */
541: tq_foreach_fwd(&defaults, d) {
542: if (d->type != dtype)
543: continue;
1.1 millert 544:
1.20 millert 545: nfound++;
546: if (binding != tq_first(&d->binding)) {
547: binding = tq_first(&d->binding);
548: lbuf_append(lbuf, " Defaults", dsep, NULL);
549: for (m = binding; m != NULL; m = m->next) {
550: if (m != binding)
551: lbuf_append(lbuf, ",", NULL);
552: print_member(lbuf, m->name, m->type, m->negated, atype);
553: lbuf_append(lbuf, " ", NULL);
554: }
555: } else
556: lbuf_append(lbuf, ", ", NULL);
557: if (d->val != NULL) {
558: lbuf_append(lbuf, d->var, d->op == '+' ? "+=" :
559: d->op == '-' ? "-=" : "=", d->val, NULL);
560: } else
561: lbuf_append(lbuf, d->op == FALSE ? "!" : "", d->var, NULL);
1.13 millert 562: }
1.1 millert 563:
1.20 millert 564: return(nfound);
1.1 millert 565: }
566:
567: int
1.20 millert 568: sudo_file_display_cmnd(nss, pw)
569: struct sudo_nss *nss;
570: struct passwd *pw;
571: {
572: struct cmndspec *cs;
573: struct member *match;
574: struct privilege *priv;
575: struct userspec *us;
576: int rval = 1;
577: int host_match, runas_match, cmnd_match;
578:
579: if (nss->handle == NULL)
580: return(rval);
581:
582: match = NULL;
583: tq_foreach_rev(&userspecs, us) {
584: if (userlist_matches(pw, &us->users) != ALLOW)
585: continue;
586:
587: tq_foreach_rev(&us->privileges, priv) {
588: host_match = hostlist_matches(&priv->hostlist);
589: if (host_match != ALLOW)
590: continue;
591: tq_foreach_rev(&priv->cmndlist, cs) {
592: runas_match = runaslist_matches(&cs->runasuserlist,
593: &cs->runasgrouplist);
594: if (runas_match == ALLOW) {
595: cmnd_match = cmnd_matches(cs->cmnd);
596: if (cmnd_match != UNSPEC) {
597: match = host_match && runas_match ?
598: cs->cmnd : NULL;
599: goto matched;
600: }
601: }
602: }
1.1 millert 603: }
604: }
1.20 millert 605: matched:
606: if (match != NULL && !match->negated) {
607: printf("%s%s%s\n", safe_cmnd, user_args ? " " : "",
608: user_args ? user_args : "");
609: rval = 0;
610: }
611: return(rval);
1.1 millert 612: }
613:
614: /*
1.20 millert 615: * Print the contents of a struct member to stdout
1.1 millert 616: */
1.20 millert 617: static void
618: _print_member(lbuf, name, type, negated, alias_type)
619: struct lbuf *lbuf;
620: char *name;
621: int type, negated, alias_type;
1.1 millert 622: {
1.20 millert 623: struct alias *a;
624: struct member *m;
625: struct sudo_command *c;
626:
627: switch (type) {
628: case ALL:
629: lbuf_append(lbuf, negated ? "!ALL" : "ALL", NULL);
630: break;
631: case COMMAND:
632: c = (struct sudo_command *) name;
633: if (negated)
634: lbuf_append(lbuf, "!", NULL);
635: lbuf_append_quoted(lbuf, SUDOERS_QUOTED, c->cmnd, NULL);
636: if (c->args) {
637: lbuf_append(lbuf, " ", NULL);
638: lbuf_append_quoted(lbuf, SUDOERS_QUOTED, c->args, NULL);
639: }
640: break;
641: case ALIAS:
1.23 ! millert 642: if ((a = alias_find(name, alias_type)) != NULL) {
1.20 millert 643: tq_foreach_fwd(&a->members, m) {
644: if (m != tq_first(&a->members))
645: lbuf_append(lbuf, ", ", NULL);
646: _print_member(lbuf, m->name, m->type,
647: negated ? !m->negated : m->negated, alias_type);
648: }
649: break;
650: }
651: /* FALLTHROUGH */
652: default:
653: lbuf_append(lbuf, negated ? "!" : "", name, NULL);
654: break;
1.1 millert 655: }
1.20 millert 656: }
657:
658: static void
659: print_member(lbuf, name, type, negated, alias_type)
660: struct lbuf *lbuf;
661: char *name;
662: int type, negated, alias_type;
663: {
664: alias_seqno++;
665: _print_member(lbuf, name, type, negated, alias_type);
1.1 millert 666: }