static char username[BUFSIZ];
static char fullname[BUFSIZ];
-/* variables for username masquerading */
-static int MMailids = 0;
-static char *mmailid = "0";
+/* Variables for username masquerading: */
+ boolean draft_from_masquerading = FALSE; /* also used from post.c */
+static boolean mmailid_masquerading = FALSE;
+static boolean username_extension_masquerading = FALSE;
+static char* masquerade = "";
/*
{ "uucplfil", &uucplfil },
{ "mmdelim1", &mmdlm1 },
{ "mmdelim2", &mmdlm2 },
- { "mmailid", &mmailid },
+ { "masquerade", &masquerade },
#if defined(SENDMTS) || defined(SMTPMTS)
{ "hostable", &hostable },
}
fclose (fp);
- MMailids = atoi (mmailid);
+
Everyone = atoi (everyone);
+
+ if (strstr(masquerade, "draft_from") != NULL)
+ draft_from_masquerading = TRUE;
+
+ if (strstr(masquerade, "mmailid") != NULL)
+ mmailid_masquerading = TRUE;
+
+ if (strstr(masquerade, "username_extension") != NULL)
+ username_extension_masquerading = TRUE;
}
/*
* Find the user's username and full name, and cache them.
- * It also handles mmailid processing (username masquerading)
+ * Also, handle "mmailid" username masquerading controlled from the GECOS field
+ * of the passwd file.
*/
static void
|| pw->pw_name == NULL
|| *pw->pw_name == '\0') {
#endif /* KPOP */
-
strncpy (username, "unknown", sizeof(username));
snprintf (fullname, sizeof(fullname), "The Unknown User-ID (%d)",
(int) getuid ());
np = pw->pw_gecos;
- /*
- * Do mmailid (username masquerading) processing. The GECOS
- * field should have the form "Full Name <fakeusername>".
- */
-#ifndef GCOS_HACK
- for (cp = fullname; *np && *np != (MMailids ? '<' : ','); *cp++ = *np++)
- continue;
-#else
- for (cp = fullname; *np && *np != (MMailids ? '<' : ','); ) {
- if (*np == '&') { /* blech! */
- strcpy (cp, pw->pw_name);
- *cp = toupper(*cp);
- while (*cp)
- cp++;
- np++;
- } else {
- *cp++ = *np++;
+ /* Get the user's real name from the GECOS field. Stop once we hit a ',',
+ which some OSes use to separate other 'finger' information in the GECOS
+ field, like phone number. Also, if mmailid masquerading is turned on due
+ to "mmailid" appearing on the "masquerade:" line of mts.conf, stop if we
+ hit a '<' (which should precede any ','s). */
+#ifndef BSD42
+ if (mmailid_masquerading)
+ /* Stop at ',' or '<'. */
+ for (cp = fullname; *np != '\0' && *np != ',' && *np != '<';
+ *cp++ = *np++)
+ continue;
+ else
+ /* Allow '<' as a legal character of the user's name. This code is
+ basically a duplicate of the code above the "else" -- we don't
+ collapse it down to one copy and put the mmailid_masquerading check
+ inside the loop with "(x ? y : z)" because that's inefficient and the
+ value'll never change while it's in there. */
+ for (cp = fullname; *np != '\0' && *np != ',';
+ *cp++ = *np++)
+ continue;
+#else /* BSD42 */
+ /* On BSD(-derived) systems, the system utilities that deal with the GECOS
+ field (finger, mail, sendmail, etc.) translate any '&' character in it to
+ the login name, with the first letter capitalized. So, for instance,
+ fingering a user "bob" with the GECOS field "& Jones" would reveal him to
+ be "In real life: Bob Jones". Surprisingly, though, the OS doesn't do
+ the translation for you, so we have to do it manually here. */
+ if (mmailid_masquerading)
+ /* Stop at ',' or '<'. */
+ for (cp = fullname;
+ *np != '\0' && *np != ',' && *np != '<';) {
+ if (*np == '&') { /* blech! */
+ strcpy (cp, pw->pw_name);
+ *cp = toupper(*cp);
+ while (*cp)
+ cp++;
+ np++;
+ } else {
+ *cp++ = *np++;
+ }
}
- }
-#endif
-
+ else
+ /* Allow '<' as a legal character of the user's name. This code is
+ basically a duplicate of the code above the "else" -- we don't
+ collapse it down to one copy and put the mmailid_masquerading check
+ inside the loop with "(x ? y : z)" because that's inefficient and the
+ value'll never change while it's in there. */
+ for (cp = fullname;
+ *np != '\0' && *np != ',';) {
+ if (*np == '&') { /* blech! */
+ strcpy (cp, pw->pw_name);
+ *cp = toupper(*cp);
+ while (*cp)
+ cp++;
+ np++;
+ } else {
+ *cp++ = *np++;
+ }
+ }
+#endif /* BSD42 */
*cp = '\0';
- if (MMailids) {
+
+ if (mmailid_masquerading) {
+ /* Do mmailid processing. The GECOS field should have the form
+ "Full Name <fakeusername>". For instance,
+ "Dan Harkless <Dan.Harkless>". Naturally, you'll want your MTA to
+ have an alias (e.g. in /etc/aliases) from "fakeusername" to your
+ account name. */
if (*np)
np++;
for (cp = username; *np && *np != '>'; *cp++ = *np++)
continue;
*cp = '\0';
}
- if (MMailids == 0 || *np == '\0')
+ if (!mmailid_masquerading || *np == '\0')
strncpy (username, pw->pw_name, sizeof(username));
+ if (username_extension_masquerading) {
+ char* username_extension = getenv("USERNAME_EXTENSION");
+
+ if (username_extension != NULL && *username_extension != '\0')
+ /* $USERNAME_EXTENSION environment variable has been set, so tack on
+ its value to the actual username. This is meant to interact with
+ qmail's "user-extension" feature and sendmail's "plussed user"
+ feature. */
+ snprintf(username, sizeof(username), "%s%s",
+ username, username_extension);
+ }
+
+ /* The $SIGNATURE environment variable overrides the GECOS field's idea of
+ your real name. */
if ((cp = getenv ("SIGNATURE")) && *cp)
strncpy (fullname, cp, sizeof(fullname));
projects / mmh / blobdiff