/*
* mts.c -- definitions for the mail transport system
*
- * $Id$
- *
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
#include <stdio.h>
#include <h/mts.h>
#include <pwd.h>
+#include <sys/socket.h>
#include <netdb.h>
-#ifdef HAVE_SYS_UTSNAME_H
-# include <sys/utsname.h>
-#endif
-
-#define NOTOK (-1)
-#define OK 0
-
/*
* static prototypes
*/
static char *tailor_value (unsigned char *);
static void getuserinfo (void);
+static const char *get_mtsconf_pathname(void);
+static const char *get_mtsuserconf_pathname(void);
+static void mts_read_conf_file (FILE *fp);
/*
* *mmdfldir and *uucpldir are the maildrop directories. If maildrops
char *mmdlm1 = "\001\001\001\001\n";
char *mmdlm2 = "\001\001\001\001\n";
-/* Cache the username and fullname of the user */
+/* Cache the username, fullname, and mailbox of the user */
static char username[BUFSIZ];
static char fullname[BUFSIZ];
-
-/* Variables for username masquerading: */
- boolean draft_from_masquerading = FALSE; /* also used from post.c */
-static boolean mmailid_masquerading = FALSE;
- boolean username_extension_masquerading = FALSE; /* " from addrsbr.c */
-static char* masquerade = "";
+static char localmbox[BUFSIZ];
/*
* MTS specific variables
*/
-#if defined(SMTPMTS)
-static char *sm_method = "smtp";
-int sm_mts = MTS_SMTP;
-char *hostable = nmhetcdir(/hosts);
+static char *mts_method = "smtp";
+int sm_mts = MTS_SENDMAIL_SMTP;
char *sendmail = SENDMAILPATH;
-#endif
/*
* SMTP/POP stuff
*/
char *clientname = NULL;
-char *servers = "localhost \01localnet";
+char *servers = "localhost";
char *pophost = "";
/*
- * BBoards-specific variables
- */
-char *bb_domain = "";
-
-
-/*
- * POP BBoards-specific variables
- */
-#ifdef BPOP
-char *popbbhost = "";
-char *popbbuser = "";
-char *popbblist = nmhetcdir(/hosts.popbb);
-#endif /* BPOP */
-
-/*
* Global MailDelivery file
*/
char *maildelivery = nmhetcdir(/maildelivery);
{ "uucplfil", &uucplfil },
{ "mmdelim1", &mmdlm1 },
{ "mmdelim2", &mmdlm2 },
- { "masquerade", &masquerade },
-
-#if defined(SMTPMTS)
- { "mts", &sm_method },
- { "hostable", &hostable },
+ { "mts", &mts_method },
{ "sendmail", &sendmail },
-#endif
-
{ "clientname", &clientname },
{ "servers", &servers },
{ "pophost", &pophost },
- { "bbdomain", &bb_domain },
-
-#ifdef BPOP
- { "popbbhost", &popbbhost },
- { "popbbuser", &popbbuser },
- { "popbblist", &popbblist },
-#endif
-
-#ifdef NNTP
- { "nntphost", &popbbhost },
-#endif
{ "maildelivery", &maildelivery },
{ "everyone", &everyone },
};
+/* Convert name of mts method to integer value and store it. */
+void
+save_mts_method (const char *value) {
+ if (! mh_strcasecmp (value, "smtp")) {
+ mts_method = "smtp";
+ sm_mts = MTS_SMTP;
+ } else if (! mh_strcasecmp (value, "sendmail/smtp") ||
+ ! mh_strcasecmp (value, "sendmail")) {
+ mts_method = "sendmail/smtp";
+ sm_mts = MTS_SENDMAIL_SMTP;
+ } else if (! mh_strcasecmp (value, "sendmail/pipe")) {
+ mts_method = "sendmail/pipe";
+ sm_mts = MTS_SENDMAIL_PIPE;
+ } else {
+ adios (NULL, "unsupported mts selection \"%s\"", value);
+ }
+}
+
+
/*
* Read the configuration file for the nmh interface
* to the mail transport system (MTS).
void
mts_init (char *name)
{
- unsigned char *bp;
- char *cp, buffer[BUFSIZ];
- struct bind *b;
+ const char *cp;
FILE *fp;
static int inited = 0;
+ NMH_UNUSED (name);
- if (inited++ || (fp = fopen (mtsconf, "r")) == NULL)
+ if (inited++ || (fp = fopen (get_mtsconf_pathname(), "r")) == NULL)
return;
+ mts_read_conf_file(fp);
+ fclose (fp);
- while (fgets (buffer, sizeof(buffer), fp)) {
- if (!(cp = strchr(buffer, '\n')))
- break;
- *cp = 0;
- if (*buffer == '#' || *buffer == '\0')
- continue;
- if (!(bp = strchr(buffer, ':')))
- break;
- *bp++ = 0;
- while (isspace (*bp))
- *bp++ = 0;
-
- for (b = binds; b->keyword; b++)
- if (!strcmp (buffer, b->keyword))
- break;
- if (b->keyword && (cp = tailor_value (bp)))
- *b->value = cp;
+ cp = get_mtsuserconf_pathname();
+ if (cp != NULL &&
+ ((fp = fopen (get_mtsuserconf_pathname(), "r")) != NULL)) {
+ mts_read_conf_file(fp);
+ fclose (fp);
}
- fclose (fp);
-
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;
-
-#ifdef SMTPMTS
- if (strcmp(sm_method, "smtp") == 0)
- sm_mts = MTS_SMTP;
- else if (strcmp(sm_method, "sendmail") == 0)
- sm_mts = MTS_SENDMAIL;
- else {
- advise(NULL, "unsupported \"mts\" value in mts.conf: %s", sm_method);
- sm_mts = MTS_SMTP;
- }
-#endif
+ save_mts_method (mts_method);
}
/*
* Get the fully qualified name of the local host.
+ *
+ * If flag is 0, then use anything out of mts.conf (like localname).
+ * If flag is 1, then only use the "proper" local hostname.
*/
char *
-LocalName (void)
+LocalName (int flag)
{
- static char buffer[BUFSIZ] = "";
+ static char buffer0[BUFSIZ] = "";
+ static char buffer1[BUFSIZ] = "";
+ static char *buffer[] = { buffer0, buffer1 };
+ char *buf;
struct addrinfo hints, *res;
-#ifdef HAVE_UNAME
- struct utsname name;
-#endif
+
+ if (flag < 0 || flag > 1)
+ return NULL;
+
+ buf = buffer[flag];
/* check if we have cached the local name */
- if (buffer[0])
- return buffer;
+ if (buf[0])
+ return buf;
mts_init ("mts");
/* check if the mts.conf file specifies a "localname" */
- if (*localname) {
- strncpy (buffer, localname, sizeof(buffer));
+ if (*localname && flag == 0) {
+ strncpy (buf, localname, sizeof(buffer0));
} else {
- memset(buffer, 0, sizeof(buffer));
-#ifdef HAVE_UNAME
- /* first get our local name */
- uname (&name);
- strncpy (buffer, name.nodename, sizeof(buffer) - 1);
-#else
+ memset(buf, 0, sizeof(buffer0));
/* first get our local name */
- gethostname (buffer, sizeof(buffer) - 1);
-#endif
+ gethostname (buf, sizeof(buffer0) - 1);
/* now fully qualify our name */
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
hints.ai_family = PF_UNSPEC;
- if (getaddrinfo(buffer, NULL, &hints, &res) == 0) {
- strncpy(buffer, res->ai_canonname, sizeof(buffer) - 1);
+ if (getaddrinfo(buf, NULL, &hints, &res) == 0) {
+ strncpy(buf, res->ai_canonname, sizeof(buffer0) - 1);
freeaddrinfo(res);
}
}
* we append that now. This should rarely be needed.
*/
if (*localdomain) {
- strcat (buffer, ".");
- strcat (buffer, localdomain);
+ strcat (buf, ".");
+ strcat (buf, localdomain);
}
- return buffer;
+ return buf;
}
{
static char buffer[BUFSIZ] = "";
-#ifdef HAVE_UNAME
- struct utsname name;
-#endif
-
/* check if we have cached the system name */
if (buffer[0])
return buffer;
return buffer;
}
-#ifdef HAVE_UNAME
- uname (&name);
- strncpy (buffer, name.nodename, sizeof(buffer));
-#else
gethostname (buffer, sizeof(buffer));
-#endif
return buffer;
}
/*
+ * Get the full local mailbox name. This is in the form:
+ *
+ * User Name <user@name.com>
+ */
+
+char *
+getlocalmbox (void)
+{
+ if (username[0] == '\0')
+ getuserinfo();
+
+ return localmbox;
+}
+
+/*
* Find the user's username and full name, and cache them.
- * Also, handle "mmailid" username masquerading controlled from the GECOS field
- * of the passwd file.
*/
static void
register char *np;
register struct passwd *pw;
-#ifdef KPOP
- uid_t uid;
-
- uid = getuid ();
- if (uid == geteuid () && (cp = getenv ("USER")) != NULL
- && (pw = getpwnam (cp)) != NULL)
- strncpy (username, cp, sizeof(username));
- else if ((pw = getpwuid (uid)) == NULL
- || pw->pw_name == NULL
- || *pw->pw_name == '\0') {
-#else /* KPOP */
if ((pw = getpwuid (getuid ())) == NULL
|| 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 ());
return;
}
- np = pw->pw_gecos;
- /* 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++;
- }
- }
- 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++;
+ /* username */
+ /* If there's a Local-Mailbox profile component, try to extract
+ the username from it. But don't try very hard, this assumes
+ the very simple User Name <user@name.com> form.
+ Note that post(8) and whom(1) use context_foil (), so they
+ won't see the profile component. */
+ if ((np = context_find("Local-Mailbox")) != NULL) {
+ char *left_angle_bracket = strchr (np, '<');
+ char *at_sign = strchr (np, '@');
+ char *right_angle_bracket = strchr (np, '>');
+
+ strncpy(localmbox, np, sizeof(localmbox));
+
+ if (left_angle_bracket && at_sign && right_angle_bracket) {
+ if (at_sign > left_angle_bracket &&
+ at_sign - left_angle_bracket < BUFSIZ) {
+ strncpy(username, left_angle_bracket + 1,
+ at_sign - left_angle_bracket - 1);
}
}
-#endif /* BSD42 */
- *cp = '\0';
-
- 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 (!mmailid_masquerading || *np == '\0')
+
+ if (username[0] == '\0') {
strncpy (username, pw->pw_name, sizeof(username));
+ }
+
+ username[sizeof(username) - 1] = '\0';
+
+ escape_local_part(username, sizeof(username));
+
+
+ /* fullname */
+ np = pw->pw_gecos;
+
+ /* 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. */
+ for (cp = fullname; *np != '\0' && *np != ','; *cp++ = *np++)
+ continue;
+ *cp = '\0';
/* The $SIGNATURE environment variable overrides the GECOS field's idea of
- your real name. */
+ your real name. If SIGNATURE isn't set, use the Signature profile
+ setting if it exists.
+ Note that post(8) and whom(1) use context_foil (), so they
+ won't see the profile component. */
if ((cp = getenv ("SIGNATURE")) && *cp)
strncpy (fullname, cp, sizeof(fullname));
+ else if ((cp = context_find("Signature")))
+ strncpy (fullname, cp, sizeof(fullname));
+
+ fullname[sizeof(fullname) - 1] = '\0';
- if (strchr(fullname, '.')) { /* quote any .'s */
- char tmp[BUFSIZ];
+ escape_display_name(fullname, sizeof(fullname));
- /* should quote "'s too */
- snprintf (tmp, sizeof(tmp), "\"%s\"", fullname);
- strncpy (fullname, tmp, sizeof(fullname));
+
+ /* localmbox, if not using Local-Mailbox */
+ if (localmbox[0] == '\0') {
+ snprintf(localmbox, sizeof(localmbox), "%s <%s@%s>", fullname,
+ username, LocalName(0));
}
- return;
+ localmbox[sizeof(localmbox) - 1] = '\0';
+}
+
+static const char*
+get_mtsconf_pathname (void)
+{
+ const char *cp = getenv ( "MHMTSCONF" );
+ if (cp != NULL && *cp != '\0') {
+ return cp;
+ }
+ return mtsconf;
+}
+
+static const char*
+get_mtsuserconf_pathname (void)
+{
+ const char *cp = getenv ( "MHMTSUSERCONF" );
+ if (cp != NULL && *cp != '\0') {
+ return cp;
+ }
+ return NULL;
+}
+
+static void
+mts_read_conf_file (FILE *fp)
+{
+ unsigned char *bp;
+ char *cp, buffer[BUFSIZ];
+ struct bind *b;
+
+ while (fgets (buffer, sizeof(buffer), fp)) {
+ if (!(cp = strchr(buffer, '\n')))
+ break;
+ *cp = 0;
+ if (*buffer == '#' || *buffer == '\0')
+ continue;
+ if (!(bp = strchr(buffer, ':')))
+ break;
+ *bp++ = 0;
+ while (isspace (*bp))
+ *bp++ = 0;
+
+ for (b = binds; b->keyword; b++)
+ if (!strcmp (buffer, b->keyword))
+ break;
+ if (b->keyword && (cp = tailor_value (bp)))
+ *b->value = cp;
+ }
}
projects / mmh / blobdiff