Annotation of src/usr.bin/sudo/getspwuid.c, Revision 1.10
1.1 millert 1: /*
1.9 millert 2: * Copyright (c) 1996, 1998-2005 Todd C. Miller <Todd.Miller@courtesan.com>
1.1 millert 3: *
1.8 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: *
1.8 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.
1.7 millert 15: *
16: * Sponsored in part by the Defense Advanced Research Projects
17: * Agency (DARPA) and Air Force Research Laboratory, Air Force
18: * Materiel Command, USAF, under agreement number F39502-99-1-0512.
1.1 millert 19: */
20:
1.9 millert 21: #include <config.h>
1.1 millert 22:
1.5 millert 23: #include <sys/types.h>
24: #include <sys/stat.h>
25: #include <sys/param.h>
1.1 millert 26: #include <stdio.h>
27: #ifdef STDC_HEADERS
28: # include <stdlib.h>
1.5 millert 29: # include <stddef.h>
30: #else
31: # ifdef HAVE_STDLIB_H
32: # include <stdlib.h>
33: # endif
1.1 millert 34: #endif /* STDC_HEADERS */
35: #ifdef HAVE_STRING_H
1.5 millert 36: # if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
37: # include <memory.h>
38: # endif
1.1 millert 39: # include <string.h>
1.5 millert 40: #else
41: # ifdef HAVE_STRINGS_H
42: # include <strings.h>
43: # endif
1.1 millert 44: #endif /* HAVE_STRING_H */
45: #ifdef HAVE_UNISTD_H
46: # include <unistd.h>
47: #endif /* HAVE_UNISTD_H */
48: #include <pwd.h>
1.10 ! millert 49: #include <grp.h>
1.1 millert 50: #ifdef HAVE_GETSPNAM
51: # include <shadow.h>
52: #endif /* HAVE_GETSPNAM */
53: #ifdef HAVE_GETPRPWNAM
54: # ifdef __hpux
55: # undef MAXINT
56: # include <hpsecurity.h>
57: # else
58: # include <sys/security.h>
59: # endif /* __hpux */
60: # include <prot.h>
61: #endif /* HAVE_GETPRPWNAM */
62: #ifdef HAVE_GETPWANAM
63: # include <sys/label.h>
64: # include <sys/audit.h>
65: # include <pwdadj.h>
66: #endif /* HAVE_GETPWANAM */
67: #ifdef HAVE_GETAUTHUID
68: # include <auth.h>
69: #endif /* HAVE_GETAUTHUID */
70:
71: #include "sudo.h"
72:
73: #ifndef lint
1.10 ! millert 74: __unused static const char rcsid[] = "$Sudo: getspwuid.c,v 1.78 2005/02/12 22:56:06 millert Exp $";
1.1 millert 75: #endif /* lint */
76:
77: /*
1.10 ! millert 78: * Exported for auth/secureware.c
1.1 millert 79: */
80: #if defined(HAVE_GETPRPWNAM) && defined(__alpha)
81: int crypt_type = INT_MAX;
82: #endif /* HAVE_GETPRPWNAM && __alpha */
83:
84: /*
1.5 millert 85: * Return a copy of the encrypted password for the user described by pw.
86: * If shadow passwords are in use, look in the shadow file.
1.1 millert 87: */
1.2 millert 88: char *
1.1 millert 89: sudo_getepw(pw)
1.8 millert 90: const struct passwd *pw;
1.1 millert 91: {
1.5 millert 92: char *epw;
1.1 millert 93:
94: /* If there is a function to check for shadow enabled, use it... */
95: #ifdef HAVE_ISCOMSEC
96: if (!iscomsec())
1.5 millert 97: return(estrdup(pw->pw_passwd));
1.1 millert 98: #endif /* HAVE_ISCOMSEC */
99: #ifdef HAVE_ISSECURE
100: if (!issecure())
1.5 millert 101: return(estrdup(pw->pw_passwd));
1.1 millert 102: #endif /* HAVE_ISSECURE */
103:
1.5 millert 104: epw = NULL;
1.1 millert 105: #ifdef HAVE_GETPRPWNAM
106: {
107: struct pr_passwd *spw;
108:
1.5 millert 109: if ((spw = getprpwnam(pw->pw_name)) && spw->ufld.fd_encrypt) {
1.1 millert 110: # ifdef __alpha
111: crypt_type = spw->ufld.fd_oldcrypt;
112: # endif /* __alpha */
1.5 millert 113: epw = estrdup(spw->ufld.fd_encrypt);
1.1 millert 114: }
1.5 millert 115: if (epw)
116: return(epw);
1.1 millert 117: }
118: #endif /* HAVE_GETPRPWNAM */
119: #ifdef HAVE_GETSPNAM
120: {
121: struct spwd *spw;
122:
123: if ((spw = getspnam(pw->pw_name)) && spw->sp_pwdp)
1.5 millert 124: epw = estrdup(spw->sp_pwdp);
125: if (epw)
126: return(epw);
1.1 millert 127: }
128: #endif /* HAVE_GETSPNAM */
129: #ifdef HAVE_GETSPWUID
130: {
131: struct s_passwd *spw;
132:
133: if ((spw = getspwuid(pw->pw_uid)) && spw->pw_passwd)
1.5 millert 134: epw = estrdup(spw->pw_passwd);
135: if (epw)
136: return(epw);
1.1 millert 137: }
138: #endif /* HAVE_GETSPWUID */
139: #ifdef HAVE_GETPWANAM
140: {
141: struct passwd_adjunct *spw;
142:
143: if ((spw = getpwanam(pw->pw_name)) && spw->pwa_passwd)
1.5 millert 144: epw = estrdup(spw->pwa_passwd);
145: if (epw)
146: return(epw);
1.1 millert 147: }
148: #endif /* HAVE_GETPWANAM */
149: #ifdef HAVE_GETAUTHUID
150: {
151: AUTHORIZATION *spw;
152:
153: if ((spw = getauthuid(pw->pw_uid)) && spw->a_password)
1.5 millert 154: epw = estrdup(spw->a_password);
155: if (epw)
156: return(epw);
1.1 millert 157: }
158: #endif /* HAVE_GETAUTHUID */
159:
160: /* Fall back on normal password. */
1.5 millert 161: return(estrdup(pw->pw_passwd));
1.1 millert 162: }
163:
1.10 ! millert 164: void
! 165: sudo_setspent()
1.1 millert 166: {
1.10 ! millert 167: #ifdef HAVE_GETPRPWNAM
! 168: setprpwent();
! 169: #endif
! 170: #ifdef HAVE_GETSPNAM
! 171: setspent();
! 172: #endif
! 173: #ifdef HAVE_GETSPWUID
! 174: setspwent();
! 175: #endif
! 176: #ifdef HAVE_GETPWANAM
! 177: setpwaent();
1.8 millert 178: #endif
1.10 ! millert 179: #ifdef HAVE_GETAUTHUID
! 180: setauthent();
1.4 millert 181: #endif
1.3 millert 182: }
183:
1.10 ! millert 184: void
! 185: sudo_endspent()
1.3 millert 186: {
1.10 ! millert 187: #ifdef HAVE_GETPRPWNAM
! 188: endprpwent();
! 189: #endif
! 190: #ifdef HAVE_GETSPNAM
! 191: endspent();
! 192: #endif
! 193: #ifdef HAVE_GETSPWUID
! 194: endspwent();
! 195: #endif
! 196: #ifdef HAVE_GETPWANAM
! 197: endpwaent();
! 198: #endif
! 199: #ifdef HAVE_GETAUTHUID
! 200: endauthent();
! 201: #endif
1.1 millert 202: }
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