#include <signal.h>
#include <sys/time.h>
#include <setjmp.h>
-
+#include <ctype.h>
+#include "ureg_err.h"
+#include <krb.h>
+#include <errno.h>
#define EXIT -1
extern int errno;
int user_is_valid = 0;
+int user_has_login = 0;
int already_registered = 0;
fix_display(sig)
register int ntimes;
register int reencrypt;
char line[100];
+ int status;
+
+ status = ureg_init();
+ if (status) {
+ com_err(argv[0], status, "while trying to initialize");
+ exit(1);
+ }
setup_display();
continue;
}
redisp();
- if (negotiate_login_and_password() == -1) {
+ if (!user_has_login) {
+ if (negotiate_login() == -1) {
+ qexit();
+ continue;
+ }
+ }
+ if (negotiate_passwd() == -1) {
qexit();
continue;
}
redisp();
}
-
-
dolook()
{
/* do the database lookup */
display_text_line(0);
display_text_line(
"Looking you up in the database.... This may take a few minutes.");
- timer_off();
- result = sms_connect();
- timer_on();
- if (result == SUCCESS) {
- timer_off();
- result = get_user_by_mit_id(&db_user, user.u_mit_id);
- sms_disconnect();
- timer_on();
- if (result == SUCCESS) {
- /* check to see if the first and last names match */
- if (lenient_strcmp(user.u_first, db_user.u_first))
- return (1);
- if (lenient_strcmp(user.u_last, db_user.u_last))
- return (1);
- /* at this point the user has been verified */
- bcopy((char *) &db_user, (char *) &user, sizeof(user));
- user_is_valid = 1;
- if (user.u_status & 1) {
- already_registered = 1;
- /*
- * we have to reset this so we dont ask for a
- * new username
- */
- user_is_valid = 0;
- display_text_line("You are already registered. An account for you probably already exists");
- display_text_line("on one of the W20 systems (if not, it will appear within 12 hours).");
- display_text_line("Refer to the documents 'Essential Athena' and 'Essential Unix'");
- sprintf(line, "for help logging in. Remember, the username you chose was '%s'",
- db_user.u_login);
- display_text_line(line);
- redisp();
- sleep(5);
- return (0);
- }
- display_text_line("You have been located in the user registration database.");
- sleep(1);
- return (0);
- }
- }
- if (result == FAILURE) {
+
+ result = verify_user(user.u_first, user.u_last,
+ typed_mit_id, user.u_mit_id, db_user.u_login);
+ switch(result) {
+ case 0:
+ display_text_line("You have been located in the user registration database.");
+ user_is_valid = 1;
+ user_has_login = 0;
+ sleep(1);
+ return 0;
+ case UREG_NO_PASSWD_YET:
+ user_is_valid = 1;
+ user_has_login = 1;
+ display_text_line ("You have chosen a login name, but you have not yet chosen a password.");
+ sprintf(line, "Remember: the username you chose was '%s'",
+ db_user.u_login);
+ strcpy(user.u_login, db_user.u_login);
+ display_text_line(line);
+ redisp();
+ sleep(5);
+ return (0);
+
+ case UREG_ALREADY_REGISTERED:
+ already_registered = 1;
+ /*
+ * we have to reset this so we dont ask for a
+ * new username
+ */
+ user_is_valid = 0;
+ display_text_line("You are already registered. An account for you probably already exists");
+ display_text_line("(if not, it will appear within 12 hours).");
+ display_text_line("");
+ display_text_line("Refer to the documents 'Essential Athena' and 'Essential Unix'");
+ strcpy(user.u_login, db_user.u_login);
+ sprintf(line, "for help logging in. Remember, the username you chose was '%s'",
+ db_user.u_login);
+ display_text_line(line);
+ redisp();
+ sleep(5);
+ return (0);
+ case UREG_USER_NOT_FOUND:
+ return (1);
+ case ECONNREFUSED:
display_text(NETWORK_DOWN);
+ return (0);
+
+ default:
+ display_text_line("An unexpected error occurred while trying to access the database");
+ display_text_line(error_message(result));
+ redisp();
sleep(5);
- restart();
+ return(1);
}
- return (1);
}
-negotiate_login_and_password()
+negotiate_login()
{
register int result, result2;
int same;
char line[100];
char old_login[LOGIN_SIZE];
char old_password[PASSWORD_SIZE];
-
+ int i;
+
display_text(USERNAME_BLURB);
+ user.u_login[0] = user.u_first[0];
+ user.u_login[1] = user.u_mid_init[0];
+ strncpy(user.u_login+2, user.u_last, 6);
+ for (i=0; user.u_login[i]; i++)
+ if (isupper(user.u_login[i]))
+ user.u_login[i]=tolower(user.u_login[i]);
+
strcpy(old_login, user.u_login);
sprintf(line, "We suggest the username '%s'.", user.u_login);
display_text_line(line);
display_text_line(
"If you are sure you would prefer another username, feel free to enter");
display_text_line(
- "one, but remember that it will remain with you for all the time you");
- display_text_line("are at MIT.");
+ "a different one, but remember that it will remain with you for all the ");
+ display_text_line("time you are at MIT.");
-get_login:
while (1) {
glogin();
- /*
- * compare the typed username with the one we have already *
- * reserved. We use lenient_strcmp because the username we *
- * get form the database may have extra spaces...
- */
- if (same = !lenient_strcmp(old_login, user.u_login)) {
- break; /* he didnt change the default */
- }
+
display_text_line(0);
display_text_line("Looking up that username in the database... This may take a few minutes.");
- timer_off();
- result = sms_connect();
- timer_on();
- if (result == SUCCESS) {
- timer_off();
- result = get_user_by_login(&db_user, user.u_login);
- result2 = get_alias_by_name(&alias, user.u_login);
- sms_disconnect();
- timer_on();
- }
- if (result == FAILURE || result2 == FAILURE) {
- display_text(NETWORK_DOWN);
- sleep(5);
- restart();
- } else if (result != NOT_FOUND || result2 != NOT_FOUND) {
+ /*
+ * Rather than bother SMS with a bunch of different
+ * usernames, all in use, we first try and see if this
+ * guy is known to Kerberos.
+ */
+ result = get_in_tkt(user.u_login, "", "ATHENA.MIT.EDU", "krbtgt", "ATHENA.MIT.EDU", "");
+ if (result != KDC_PR_UNKNOWN) {
+ in_use:
strcpy(user.u_login, old_login);
redisp();
- display_text_line("I'm sorry, but that username is already taken. Please try again.");
+ display_text_line("I'm sorry, but that username is already taken. Please try again with a different username");
continue;
- } else { /* yay! we can go ahead and change it! */
- /*
- * technically, this is not sound. Somebody may have
- * grabbed the username before us. It's unlikely, so
- * we just hope it won't happen.
- */
- display_text_line(0);
- sprintf(line, "No one else is using \"%s\" as a username so you can have it.", user.u_login);
- display_text_line(line);
- if (askyn("Are you sure that is the one you want? ") == NO) {
- display_text_line(0);
- if (askyn("Do you want to abort this session? ") == YES) {
- display_text_line(" ");
- display_text_line(" ");
- display_text_line("aborting...");
- return (-1);
- }
- display_text_line(0);
- redisp();
- continue;
- }
- break;
}
+ /*
+ * If he isn't, let's try through SMS.
+ */
+ result = grab_login(user.u_first, user.u_last,
+ typed_mit_id, user.u_mit_id,
+ user.u_login);
+ if (result != 0) {
+ if (result == UREG_LOGIN_USED) goto in_use;
+ display_text(NETWORK_DOWN);
+ return (qexit());
+ } else break;
}
-
-get_password:
-
/* at this point we have successfully negotiated a username */
- sprintf(line, "O.K. your username will be \"%s.\"", user.u_login);
+ sprintf(line, "O.K. your username will be \"%s\".", user.u_login);
display_text_line(0);
display_text_line(line);
redisp();
sleep(3);
+ return 0;
+}
+negotiate_passwd()
+{
display_text_line(0);
display_text(PASSWORD_BLURB);
+
gpass();
- display_text_line("You password is now established.");
- /*
- * we now make sure that the user must type his old password the next
- * time he tries to change it
- */
- already_registered = 1;
- user.u_status = 1;
- display_text_line("Storing information in the database... This may take a few minutes.");
- /*
- * Check one more time to make sure someone hasn't grabbed that login
- * since last time we checked.
- */
- if (!same) { /* Recheck username if it was changed. */
- timer_off();
- result = sms_connect();
- timer_on();
- if (result == SUCCESS) {
- timer_off();
- result = get_user_by_login(&db_user, user.u_login);
- result2 = get_alias_by_name(&alias, user.u_login);
- sms_disconnect();
- timer_on();
- }
- if (result == FAILURE || result2 == FAILURE) {
- display_text(NETWORK_DOWN);
- return (-1);
- } else if (result != NOT_FOUND || result2 != NOT_FOUND) {
- strcpy(user.u_login, old_login);
- redisp();
- display_text_line(0);
- display_text_line("You're not going to believe this, but someone just now took the username");
- display_text_line("you wanted.");
- display_text_line(" ");
- display_text_line("You will have to choose a new username.");
- goto get_login;
- }
- }
- /*
- * Do the database update and hope nobody grabs the same login before
- * we do. Its really not very likely that they will.
- */
+ display_text_line("Storing password in the database... This may take a few minutes.");
if (do_replace()) {
return (-1);
}
display_text_line("done.");
+
}
gfirst()
input("Enter first Name:", buf, 100, FIRSTNAME_TIMEOUT);
strncpy(user.u_first, buf, FIRST_NAME_SIZE);
user.u_first[FIRST_NAME_SIZE - 1] = '\0';
+ canon_name(user.u_first);
redisp();
}
input("Enter last Name:", buf, 100, LASTNAME_TIMEOUT);
strncpy(user.u_last, buf, LAST_NAME_SIZE);
user.u_last[LAST_NAME_SIZE - 1] = '\0';
+ canon_name(user.u_last);
redisp();
}
* name as a seed
*/
- strcpy(user.u_password, crypt(new_password, user.u_login));
+ strcpy(user.u_password, new_password);
redisp();
}
if (strlen(user.u_login) < 2) {
goto input_login;
}
+#ifdef notdef
/* This part added to fix home directories -- asp */
strcpy(user.u_home_dir, "/mit/");
user.u_home_dir[5] = user.u_login[0];
user.u_home_dir[7] = user.u_login[1];
user.u_home_dir[8] = '/';
strcpy(user.u_home_dir + 9, user.u_login);
-
+#endif notdef
redisp();
}
input("Enter Middle Initial:", buf, 100, MI_TIMEOUT);
strncpy(user.u_mid_init, buf, MID_INIT_SIZE);
user.u_mid_init[MID_INIT_SIZE - 1] = '\0';
+ canon_name(user.u_mid_init);
redisp();
}
do_replace()
{
+ int status;
+
/*
* replaces a user in the database. If there is an error, it informs
* the user and calls qexit(); It returns only if is is successful
*/
-
- register int result, uid;
-
- signal(SIGALRM, SIG_IGN); /* Don't bother me */
- uid = getuid();
- setruid(0); /* Look, I'm root! */
- timer_off();
- result = sms_connect();
- timer_on();
- if (result == SUCCESS) {
- timer_off();
- result = replace_user_admin(&user);
- sms_disconnect();
- timer_on();
- }
- setruid(uid); /* Back to normal */
- signal(SIGALRM, restart);
-
- if (result == FAILURE) {
- display_text(NETWORK_DOWN);
+ status = set_password(user.u_first, user.u_last, typed_mit_id,
+ user.u_mit_id, user.u_password);
+ if (status) {
+ display_text (NETWORK_DOWN);
return (-1);
- }
- if (result != SUCCESS) {
- display_text_line(0);
- display_text_line("There was an unknown error in trying to give you that username.");
- display_text_line("The database was not updated.");
- display_text_line("Please try again later.");
- printf("Replace error %d\n", result);
- return (-1);
- }
- /* finally, if we get to here, there are no problems */
- else {
- return (0);
- }
+ } else return 0;
}
#define _toupper(c) ((c) & ~0x20)
qexit();
longjmp(redo);
}
+
+canon_name(cp)
+ register char *cp;
+{
+ register char *p2 = cp;
+
+ /* Trim whitespace off both ends. */
+ for (; *p2 && isspace(*p2); p2++) ;
+ if (*p2) {
+ strcpy(cp, p2);
+ p2 = cp + strlen(cp);
+ --p2;
+ while (p2 >= cp && isspace(*p2)) *(--p2) = '\0';
+ }
+ /* Make it capitalized */
+ for (p2=cp; *p2; p2++) {
+ if (isupper(*p2)) *p2 = tolower(*p2);
+ }
+ if (islower(*cp)) *cp=toupper(*cp);
+}
andersk / moira.git / commitdiff
