Auto-generated email address is now derived from the screen name. Fall back to other...

[citadel.git] / citadel / internet_addressing.c

diff --git a/citadel/internet_addressing.c b/citadel/internet_addressing.c
index 02ba8dfe3e0987f764334aadb9fdf8ac0709f1b8..74f69493f895964794835dd5951bc4aa19126f61 100644 (file)
--- a/citadel/internet_addressing.c
+++ b/citadel/internet_addressing.c
@@ -404,14 +404,10 @@ void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
 int alias(char *name)
 {                              /* process alias and routing info for mail */
        FILE *fp;
-       int a, i;
+       int a;
        char aaa[SIZ], bbb[SIZ];
-       char *ignetcfg = NULL;
-       char *ignetmap = NULL;
        int at = 0;
        char node[64];
-       char testnode[64];
-       char buf[SIZ];
 
        char original_name[256];
        safestrncpy(original_name, name, sizeof original_name);
@@ -1523,7 +1519,9 @@ int CtdlDirectoryLookup(char *target, char *internet_addr, size_t targbuflen) {
        char key[SIZ];
 
        /* Dump it in there unchanged, just for kicks */
-       safestrncpy(target, internet_addr, targbuflen);
+       if (target != NULL) {
+               safestrncpy(target, internet_addr, targbuflen);
+       }
 
        /* Only do lookups for addresses with hostnames in them */
        if (num_tokens(internet_addr, '@') != 2) return(-1);
@@ -1534,7 +1532,9 @@ int CtdlDirectoryLookup(char *target, char *internet_addr, size_t targbuflen) {
        directory_key(key, internet_addr);
        cdbrec = cdb_fetch(CDB_DIRECTORY, key, strlen(key) );
        if (cdbrec != NULL) {
-               safestrncpy(target, cdbrec->ptr, targbuflen);
+               if (target != NULL) {
+                       safestrncpy(target, cdbrec->ptr, targbuflen);
+               }
                cdb_free(cdbrec);
                return(0);
        }
@@ -1712,3 +1712,40 @@ void CtdlSetEmailAddressesForUser(char *requested_user, char *new_emailaddrs)
 
        CtdlPutUserLock(&usbuf);
 }
+
+
+/*
+ * Auto-generate an Internet email address for a user account
+ */
+void AutoGenerateEmailAddressForUser(struct ctdluser *user)
+{
+       char synthetic_email_addr[1024];
+       int i, j;
+       int u = 0;
+
+       for (i=0; u==0; ++i) {
+               if (i == 0) {
+                       // first try just converting the user name to lowercase and replacing spaces with underscores
+                       snprintf(synthetic_email_addr, sizeof synthetic_email_addr, "%s@%s", user->fullname, CtdlGetConfigStr("c_fqdn"));
+                       for (j=0; ((synthetic_email_addr[j] != '\0')&&(synthetic_email_addr[j] != '@')); j++) {
+                               synthetic_email_addr[j] = tolower(synthetic_email_addr[j]);
+                               if (!isalnum(synthetic_email_addr[j])) {
+                                       synthetic_email_addr[j] = '_';
+                               }
+                       }
+               }
+               else if (i == 1) {
+                       // then try 'ctdl' followed by the user number
+                       snprintf(synthetic_email_addr, sizeof synthetic_email_addr, "ctdl%08lx@%s", user->usernum, CtdlGetConfigStr("c_fqdn"));
+               }
+               else if (i > 1) {
+                       // oof.  just keep trying other numbers until we find one
+                       snprintf(synthetic_email_addr, sizeof synthetic_email_addr, "ctdl%08x@%s", i, CtdlGetConfigStr("c_fqdn"));
+               }
+               u = CtdlDirectoryLookup(NULL, synthetic_email_addr, 0);
+       }
+
+       CtdlSetEmailAddressesForUser(user->fullname, synthetic_email_addr);
+       strncpy(CC->user.emailaddrs, synthetic_email_addr, sizeof(user->emailaddrs));
+       syslog(LOG_DEBUG, "user_ops: auto-generated email address <%s> for <%s>", synthetic_email_addr, user->fullname);
+}