Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/auth/passdb-shadow.c @ 1191:65e48854491d HEAD

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Added default_pass_scheme to LDAP. Support for more password schemes. Merged password checking code with LDAP and passwd-file, so both support the same schemes now.
author Timo Sirainen <tss@iki.fi>
date Tue, 18 Feb 2003 21:11:26 +0200
parents c871ad112e19
children 88e6a4040955
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1 /* Copyright (C) 2002-2003 Timo Sirainen */
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2
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3 #include "config.h"
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4 #undef HAVE_CONFIG_H
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5
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6 #ifdef PASSDB_SHADOW
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7
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8 #include "common.h"
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9 #include "safe-memset.h"
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10 #include "passdb.h"
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11 #include "mycrypt.h"
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12
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13 #include <shadow.h>
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14
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15 static void
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16 shadow_verify_plain(struct auth_request *request, const char *password,
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17 verify_plain_callback_t *callback)
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18 {
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19 struct spwd *spw;
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20 int result;
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21
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22 spw = getspnam(request->user);
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23 if (spw == NULL) {
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24 if (errno != 0)
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25 i_error("getspnam(%s) failed: %m", request->user);
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26 else if (verbose)
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27 i_info("shadow(%s): unknown user", request->user);
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28 callback(PASSDB_RESULT_USER_UNKNOWN, request);
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29 return;
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30 }
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31
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32 if (!IS_VALID_PASSWD(spw->sp_pwdp)) {
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33 if (verbose) {
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34 i_info("shadow(%s): invalid password field '%s'",
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35 request->user, spw->sp_pwdp);
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36 }
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37 callback(PASSDB_RESULT_USER_DISABLED, request);
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38 return;
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39 }
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40
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41 /* check if the password is valid */
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42 result = strcmp(mycrypt(password, spw->sp_pwdp), spw->sp_pwdp) == 0;
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43
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44 /* clear the passwords from memory */
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45 safe_memset(spw->sp_pwdp, 0, strlen(spw->sp_pwdp));
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47 if (!result) {
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48 if (verbose)
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49 i_info("shadow(%s): password mismatch", request->user);
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50 callback(PASSDB_RESULT_PASSWORD_MISMATCH, request);
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51 return;
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52 }
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53
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54 callback(PASSDB_RESULT_OK, request);
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55 }
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56
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57 static void shadow_deinit(void)
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58 {
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59 endspent();
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60 }
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61
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62 struct passdb_module passdb_shadow = {
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63 NULL,
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64 shadow_deinit,
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65
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66 shadow_verify_plain,
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67 NULL
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68 };
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69
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70 #endif