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17
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1 #include <security/pam_appl.h>
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2 #include <security/pam_misc.h>
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3 #include <stdio.h>
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4
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5 const struct pam_conv conv = {
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6 misc_conv,
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7 NULL
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8 };
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9
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10 int main(int argc, char *argv[]) {
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11 pam_handle_t* pamh = NULL;
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12 int retval;
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13 const char* user = "nobody";
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14
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15 if(argc != 2) {
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16 printf("Usage: app [username]\n");
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17 exit(1);
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18 }
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19
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20 user = argv[1];
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21
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22 retval = pam_start("sober-auth", user, &conv, &pamh);
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23
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24 // Are the credentials correct?
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25 if (retval == PAM_SUCCESS) {
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34
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26 printf("PAM module initialized\n");
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17
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27 retval = pam_authenticate(pamh, 0);
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28 }
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29
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30 // Can the accound be used at this time?
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31 if (retval == PAM_SUCCESS) {
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34
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32 printf("Credentials accepted.\n");
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33 retval = pam_acct_mgmt(pamh, 0);
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34 }
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35
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36 // Did everything work?
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37 if (retval == PAM_SUCCESS) {
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34
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38 printf("Account is valid.\n");
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17
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39 printf("Authenticated\n");
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40 } else {
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41 printf("Not Authenticated\n");
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42 }
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43
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44 // close PAM (end session)
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45 if (pam_end(pamh, retval) != PAM_SUCCESS) {
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46 pamh = NULL;
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47 printf("check_user: failed to release authenticator\n");
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48 exit(1);
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49 }
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50
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51 return retval == PAM_SUCCESS ? 0 : 1;
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52 }
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53
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