-
/*
* addrsbr.c -- parse addresses 822-style
*
- * $Id$
+ * 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 <h/mh.h>
#include <h/addrsbr.h>
-#include <zotnet/mf/mf.h>
-
-/* High level parsing of addresses:
-
- The routines in zotnet/mf/mf.c parse the syntactic representations of
- addresses. The routines in sbr/addrsbr.c associate semantics with those
- addresses.
-
- If #ifdef DUMB is in effect, a full 822-style parser is called
- for syntax recongition. This breaks each address into its components.
- Note however that no semantics are assumed about the parts or their
- totality. This means that implicit hostnames aren't made explicit,
- and explicit hostnames aren't expanded to their "official" represenations.
-
- If DUMB is not in effect, then this module does some
- high-level thinking about what the addresses are.
-
- 1. for MMDF systems:
-
- string%<uucp>@<local> -> string
-
- 2. for non-MMDF systems:
-
- string@host.<uucp> -> host!string
-
- 3. for any system, an address interpreted relative to the local host:
-
- string@<uucp> -> string
-
- For cases (1) and (3) above, the leftmost host is extracted. If it's not
- present, the local host is used. If the tests above fail, the address is
- considered to be a real 822-style address.
-
- If an explicit host is not present, then MH checks for a bang to indicate
- an explicit UUCP-style address. If so, this is noted. If not, the host is
- defaulted, typically to the local host. The lack of an explict host is
- also noted.
-
- If an explicit 822-style host is present, then MH checks to see if it
- can expand this to the official name for the host. If the hostname is
- unknown, the address is so typed.
+#include <h/mf.h>
- To summarize, when we're all done, here's what MH knows about the address:
-
- DUMB - type: local, uucp, or network
- host: not locally defaulted, not explicitly expanded
- everything else
-
- other - type: local, uucp, network, unknown
- everything else
+/*
+ * High level parsing of addresses:
+ *
+ * The routines in sbr/mf.c parse the syntactic representations of
+ * addresses. The routines in sbr/addrsbr.c associate semantics with those
+ * addresses.
+ *
+ * If #ifdef DUMB is in effect, a full 822-style parser is called
+ * for syntax recongition. This breaks each address into its components.
+ * Note however that no semantics are assumed about the parts or their
+ * totality. This means that implicit hostnames aren't made explicit,
+ * and explicit hostnames aren't expanded to their "official" represenations.
+ *
+ * If DUMB is not in effect, then this module does some
+ * high-level thinking about what the addresses are.
+ *
+ * 1. for MMDF systems:
+ *
+ * string%<uucp>@<local> -> string
+ *
+ * 2. for non-MMDF systems:
+ *
+ * string@host.<uucp> -> host!string
+ *
+ * 3. for any system, an address interpreted relative to the local host:
+ *
+ * string@<uucp> -> string
+ *
+ * For cases (1) and (3) above, the leftmost host is extracted. If it's not
+ * present, the local host is used. If the tests above fail, the address is
+ * considered to be a real 822-style address.
+ *
+ * If an explicit host is not present, then MH checks for a bang to indicate
+ * an explicit UUCP-style address. If so, this is noted. If not, the host is
+ * defaulted, typically to the local host. The lack of an explict host is
+ * also noted.
+ *
+ * If an explicit 822-style host is present, then MH checks to see if it
+ * can expand this to the official name for the host. If the hostname is
+ * unknown, the address is so typed.
+ *
+ * To summarize, when we're all done, here's what MH knows about the address:
+ *
+ * DUMB - type: local, uucp, or network
+ * host: not locally defaulted, not explicitly expanded
+ * everything else
+ *
+ * other - type: local, uucp, network, unknown
+ * everything else
*/
static char err[BUFSIZ];
static char adr[BUFSIZ];
+
+extern boolean username_extension_masquerading; /* defined in mts.c */
+
+
/*
* external prototypes
*/
char *
getname (char *addrs)
{
- struct adrx *ap;
-
- pers = mbox = host = route = grp = note = NULL;
- err[0] = '\0';
-
- if ((ap = getadrx (addrs ? addrs : "")) == NULL)
- return NULL;
-
- strncpy (adr, ap->text, sizeof(adr));
- pers = ap->pers;
- mbox = ap->mbox;
- host = ap->host;
- route = ap->path;
- grp = ap->grp;
- ingrp = ap->ingrp;
- note = ap->note;
- if (ap->err && *ap->err)
- strncpy (err, ap->err, sizeof(err));
-
- return adr;
+ struct adrx *ap;
+
+ pers = mbox = host = route = grp = note = NULL;
+ err[0] = '\0';
+
+ if ((ap = getadrx (addrs ? addrs : "")) == NULL)
+ return NULL;
+
+ strncpy (adr, ap->text, sizeof(adr));
+ pers = ap->pers;
+ mbox = ap->mbox;
+ host = ap->host;
+ route = ap->path;
+ grp = ap->grp;
+ ingrp = ap->ingrp;
+ note = ap->note;
+ if (ap->err && *ap->err)
+ strncpy (err, ap->err, sizeof(err));
+
+ return adr;
}
struct mailname *
getm (char *str, char *dfhost, int dftype, int wanthost, char *eresult)
{
- char *pp;
- struct mailname *mp;
-#ifndef DUMB
- char *dp;
+ char *pp;
+ struct mailname *mp;
+#ifndef DUMB
+ char *dp;
#endif /* not DUMB */
- if (err && err[0]) {
- if (eresult)
- strcpy (eresult, err);
- else
- if (wanthost == AD_HOST)
- admonish (NULL, "bad address '%s' - %s", str, err);
- return NULL;
- }
- if (pers == NULL
- && mbox == NULL && host == NULL && route == NULL
- && grp == NULL) {
- if (eresult)
- strcpy (eresult, "null address");
- else
- if (wanthost == AD_HOST)
- admonish (NULL, "null address '%s'", str);
- return NULL;
- }
- if (mbox == NULL && grp == NULL) {
- if (eresult)
- strcpy (eresult, "no mailbox in address");
- else
- if (wanthost == AD_HOST)
- admonish (NULL, "no mailbox in address '%s'", str);
- return NULL;
- }
-
- if (dfhost == NULL) {
- dfhost = LocalName ();
- dftype = LOCALHOST;
- }
-
- mp = (struct mailname *) calloc ((size_t) 1, sizeof(*mp));
- if (mp == NULL) {
- if (eresult)
- strcpy (eresult, "insufficient memory to represent address");
- else
- if (wanthost == AD_HOST)
- adios (NULL, "insufficient memory to represent address");
- return NULL;
- }
-
- mp->m_next = NULL;
- mp->m_text = getcpy (str);
- if (pers)
- mp->m_pers = getcpy (pers);
-
- if (mbox == NULL) {
- mp->m_type = BADHOST;
- mp->m_nohost = 1;
- mp->m_ingrp = ingrp;
- mp->m_gname = getcpy (grp);
- if (note)
- mp->m_note = getcpy (note);
- return mp;
- }
-
- if (host) {
- mp->m_mbox = getcpy (mbox);
- mp->m_host = getcpy (host);
- }
- else {
- if ((pp = strchr(mbox, '!'))) {
- *pp++ = '\0';
- mp->m_mbox = getcpy (pp);
- mp->m_host = getcpy (mbox);
- mp->m_type = UUCPHOST;
+ if (err[0]) {
+ if (eresult)
+ strcpy (eresult, err);
+ else
+ if (wanthost == AD_HOST)
+ admonish (NULL, "bad address '%s' - %s", str, err);
+ return NULL;
}
- else {
- mp->m_nohost = 1;
- mp->m_mbox = getcpy (mbox);
+ if (pers == NULL && mbox == NULL && host == NULL && route == NULL
+ && grp == NULL) {
+ if (eresult)
+ strcpy (eresult, "null address");
+ else
+ if (wanthost == AD_HOST)
+ admonish (NULL, "null address '%s'", str);
+ return NULL;
+ }
+ if (mbox == NULL && grp == NULL) {
+ if (eresult)
+ strcpy (eresult, "no mailbox in address");
+ else if (wanthost == AD_HOST)
+ admonish (NULL, "no mailbox in address '%s'", str);
+ return NULL;
+ }
+
+ if (dfhost == NULL) {
+ dfhost = LocalName ();
+ dftype = LOCALHOST;
+ }
+
+ mp = (struct mailname *) calloc ((size_t) 1, sizeof(*mp));
+ if (mp == NULL) {
+ if (eresult)
+ strcpy (eresult, "insufficient memory to represent address");
+ else if (wanthost == AD_HOST)
+ adios (NULL, "insufficient memory to represent address");
+ return NULL;
+ }
+
+ mp->m_next = NULL;
+ mp->m_text = getcpy (str);
+ if (pers)
+ mp->m_pers = getcpy (pers);
+
+ if (mbox == NULL) {
+ mp->m_type = BADHOST;
+ mp->m_nohost = 1;
+ mp->m_ingrp = ingrp;
+ mp->m_gname = getcpy (grp);
+ if (note)
+ mp->m_note = getcpy (note);
+ return mp;
+ }
+
+ if (host) {
+ mp->m_mbox = getcpy (mbox);
+ mp->m_host = getcpy (host);
+ } else {
+ if ((pp = strchr(mbox, '!'))) {
+ *pp++ = '\0';
+ mp->m_mbox = getcpy (pp);
+ mp->m_host = getcpy (mbox);
+ mp->m_type = UUCPHOST;
+ } else {
+ mp->m_nohost = 1;
+ mp->m_mbox = getcpy (mbox);
#ifdef DUMB
- if (route == NULL && dftype == LOCALHOST) {
- mp->m_host = NULL;
- mp->m_type = dftype;
- }
- else
+ if (route == NULL && dftype == LOCALHOST) {
+ mp->m_host = NULL;
+ mp->m_type = dftype;
+ } else
#endif /* DUMB */
- {
- mp->m_host = route ? NULL : getcpy (dfhost);
- mp->m_type = route ? NETHOST : dftype;
- }
+ {
+ mp->m_host = route ? NULL : getcpy (dfhost);
+ mp->m_type = route ? NETHOST : dftype;
+ }
+ }
+ goto got_host;
}
- goto got_host;
- }
- if (wanthost == AD_NHST)
- mp->m_type = !strcasecmp (LocalName (), mp->m_host)
- ? LOCALHOST : NETHOST;
+ if (wanthost == AD_NHST)
+ mp->m_type = !mh_strcasecmp (LocalName (), mp->m_host)
+ ? LOCALHOST : NETHOST;
#ifdef DUMB
- else
- mp->m_type = strcasecmp (LocalName(), mp->m_host) ? NETHOST : LOCALHOST;
+ else
+ mp->m_type = mh_strcasecmp (LocalName(), mp->m_host) ? NETHOST : LOCALHOST;
#else /* not DUMB */
- else
- if (pp = OfficialName (mp->m_host)) {
- got_real_host: ;
- free (mp->m_host);
- mp->m_host = getcpy (pp);
- mp->m_type = strcasecmp (LocalName(), mp->m_host) ? NETHOST : LOCALHOST;
- }
- else {
- if (dp = strchr(mp->m_host, '.')) {
- *dp = NULL;
- if (pp = OfficialName (mp->m_host))
- goto got_real_host;
- *dp = '.';
- }
- mp->m_type = BADHOST;
- }
+ else
+ if (pp = OfficialName (mp->m_host)) {
+ got_real_host: ;
+ free (mp->m_host);
+ mp->m_host = getcpy (pp);
+ mp->m_type = mh_strcasecmp (LocalName(), mp->m_host) ? NETHOST : LOCALHOST;
+ } else {
+ if (dp = strchr(mp->m_host, '.')) {
+ *dp = NULL;
+ if (pp = OfficialName (mp->m_host))
+ goto got_real_host;
+ *dp = '.';
+ }
+ mp->m_type = BADHOST;
+ }
#endif /* not DUMB */
got_host: ;
- if (route)
- mp->m_path = getcpy (route);
- mp->m_ingrp = ingrp;
- if (grp)
- mp->m_gname = getcpy (grp);
- if (note)
- mp->m_note = getcpy (note);
-
- return mp;
+ if (route)
+ mp->m_path = getcpy (route);
+ mp->m_ingrp = ingrp;
+ if (grp)
+ mp->m_gname = getcpy (grp);
+ if (note)
+ mp->m_note = getcpy (note);
+
+ return mp;
}
void
mnfree (struct mailname *mp)
{
- if (!mp)
- return;
-
- if (mp->m_text)
- free (mp->m_text);
- if (mp->m_pers)
- free (mp->m_pers);
- if (mp->m_mbox)
- free (mp->m_mbox);
- if (mp->m_host)
- free (mp->m_host);
- if (mp->m_path)
- free (mp->m_path);
- if (mp->m_gname)
- free (mp->m_gname);
- if (mp->m_note)
- free (mp->m_note);
-
- free ((char *) mp);
+ if (!mp)
+ return;
+
+ if (mp->m_text)
+ free (mp->m_text);
+ if (mp->m_pers)
+ free (mp->m_pers);
+ if (mp->m_mbox)
+ free (mp->m_mbox);
+ if (mp->m_host)
+ free (mp->m_host);
+ if (mp->m_path)
+ free (mp->m_path);
+ if (mp->m_gname)
+ free (mp->m_gname);
+ if (mp->m_note)
+ free (mp->m_note);
+
+ free ((char *) mp);
}
#define empty(s) ((s) ? (s) : "")
char *
-auxformat (struct mailname *mp, int extras)
+adrformat (struct mailname *mp)
{
- static char addr[BUFSIZ];
- static char buffer[BUFSIZ];
+ static char addr[BUFSIZ];
+ static char buffer[BUFSIZ];
#ifdef DUMB
if (mp->m_nohost)
- strncpy (addr, mp->m_mbox ? mp->m_mbox : "", sizeof(addr));
+ strncpy (addr, mp->m_mbox ? mp->m_mbox : "", sizeof(addr));
else
#endif /* DUMB */
-#ifndef BANG
+#ifndef BANG
if (mp->m_type != UUCPHOST)
- snprintf (addr, sizeof(addr), mp->m_host ? "%s%s@%s" : "%s%s",
- empty(mp->m_path), empty(mp->m_mbox), mp->m_host);
+ snprintf (addr, sizeof(addr), mp->m_host ? "%s%s@%s" : "%s%s",
+ empty(mp->m_path), empty(mp->m_mbox), mp->m_host);
else
#endif /* not BANG */
- snprintf (addr, sizeof(addr), "%s!%s", mp->m_host, mp->m_mbox);
-
- if (!extras)
- return addr;
-
- if (mp->m_pers || mp->m_path) {
- if (mp->m_note)
- snprintf (buffer, sizeof(buffer), "%s %s <%s>",
- legal_person (mp->m_pers ? mp->m_pers : mp->m_mbox),
- mp->m_note, addr);
+ snprintf (addr, sizeof(addr), "%s!%s", mp->m_host, mp->m_mbox);
+
+ if (mp->m_pers || mp->m_path) {
+ if (mp->m_note)
+ snprintf (buffer, sizeof(buffer), "%s %s <%s>",
+ legal_person (mp->m_pers ? mp->m_pers : mp->m_mbox),
+ mp->m_note, addr);
+ else
+ snprintf (buffer, sizeof(buffer), "%s <%s>",
+ legal_person (mp->m_pers ? mp->m_pers : mp->m_mbox),
+ addr);
+ } else if (mp->m_note)
+ snprintf (buffer, sizeof(buffer), "%s %s", addr, mp->m_note);
else
- snprintf (buffer, sizeof(buffer), "%s <%s>",
- legal_person (mp->m_pers ? mp->m_pers : mp->m_mbox),
- addr);
- }
- else
- if (mp->m_note)
- snprintf (buffer, sizeof(buffer), "%s %s", addr, mp->m_note);
- else
- strncpy (buffer, addr, sizeof(buffer));
-
- return buffer;
-}
-
-
-/*
- * address specific "sprintf"
- */
+ strncpy (buffer, addr, sizeof(buffer));
-char *
-adrsprintf (char *local, char *domain)
-{
- static char addr[BUFSIZ];
-
- if (local == NULL)
-#ifdef REALLYDUMB
- return getusername ();
- else
-#endif /* REALLYDUMB */
- local = getusername ();
-
- if (domain == NULL)
-#ifdef REALLYDUMB
- return local;
- else
-#endif /* REALLYDUMB */
- domain = LocalName ();
-
-#ifndef BANG
- snprintf (addr, sizeof(addr), "%s@%s", local, domain);
-#else /* BANG */
- snprintf (addr, sizeof(addr), "%s!%s", domain, local);
-#endif /* BANG */
-
- return addr;
+ return buffer;
}
-#define W_NIL 0x0000
-#define W_MBEG 0x0001
-#define W_MEND 0x0002
-#define W_MBOX (W_MBEG | W_MEND)
-#define W_HBEG 0x0004
-#define W_HEND 0x0008
-#define W_HOST (W_HBEG | W_HEND)
-#define WBITS "\020\01MBEG\02MEND\03HBEG\04HEND"
+#define W_NIL 0x0000
+#define W_MBEG 0x0001
+#define W_MEND 0x0002
+#define W_MBOX (W_MBEG | W_MEND)
+#define W_HBEG 0x0004
+#define W_HEND 0x0008
+#define W_HOST (W_HBEG | W_HEND)
+#define WBITS "\020\01MBEG\02MEND\03HBEG\04HEND"
/*
* Check if this is my address
int
ismymbox (struct mailname *np)
{
- int oops;
- register int len, i;
- register char *cp;
- register char *pp;
- char buffer[BUFSIZ];
- struct mailname *mp;
- static char *am = NULL;
- static struct mailname mq={NULL};
-
- /*
- * If this is the first call, initialize
- * list of alternate mailboxes.
- */
- if (am == NULL) {
- mq.m_next = NULL;
- mq.m_mbox = getusername ();
- if ((am = context_find ("alternate-mailboxes")) == NULL)
- am = getusername();
- else {
- mp = &mq;
- oops = 0;
- while ((cp = getname (am))) {
- if ((mp->m_next = getm (cp, NULL, 0, AD_NAME, NULL)) == NULL) {
- admonish (NULL, "illegal address: %s", cp);
- oops++;
- } else {
- mp = mp->m_next;
- mp->m_type = W_NIL;
- if (*mp->m_mbox == '*') {
- mp->m_type |= W_MBEG;
- mp->m_mbox++;
- }
- if (*(cp = mp->m_mbox + strlen (mp->m_mbox) - 1) == '*') {
- mp->m_type |= W_MEND;
- *cp = '\0';
- }
- if (mp->m_host) {
- if (*mp->m_host == '*') {
- mp->m_type |= W_HBEG;
- mp->m_host++;
+ int oops;
+ register int len, i;
+ register char *cp;
+ register char *pp;
+ char buffer[BUFSIZ];
+ struct mailname *mp;
+ static char *am = NULL;
+ static struct mailname mq={NULL};
+
+ /*
+ * If this is the first call, initialize
+ * list of alternate mailboxes.
+ */
+ if (am == NULL) {
+ mq.m_next = NULL;
+ mq.m_mbox = getusername ();
+ if ((am = context_find ("alternate-mailboxes")) == NULL)
+ am = getusername();
+ else {
+ mp = &mq;
+ oops = 0;
+ while ((cp = getname (am))) {
+ if ((mp->m_next = getm (cp, NULL, 0, AD_NAME, NULL)) == NULL) {
+ admonish (NULL, "illegal address: %s", cp);
+ oops++;
+ } else {
+ mp = mp->m_next;
+ mp->m_type = W_NIL;
+ if (*mp->m_mbox == '*') {
+ mp->m_type |= W_MBEG;
+ mp->m_mbox++;
+ }
+ if (*(cp = mp->m_mbox + strlen (mp->m_mbox) - 1) == '*') {
+ mp->m_type |= W_MEND;
+ *cp = '\0';
+ }
+ if (mp->m_host) {
+ if (*mp->m_host == '*') {
+ mp->m_type |= W_HBEG;
+ mp->m_host++;
+ }
+ if (*(cp = mp->m_host + strlen (mp->m_host) - 1) == '*') {
+ mp->m_type |= W_HEND;
+ *cp = '\0';
+ }
+ }
+ if ((cp = getenv ("MHWDEBUG")) && *cp)
+ fprintf (stderr, "mbox=\"%s\" host=\"%s\" %s\n",
+ mp->m_mbox, mp->m_host,
+ snprintb (buffer, sizeof(buffer), (unsigned) mp->m_type, WBITS));
+ }
}
- if (*(cp = mp->m_host + strlen (mp->m_host) - 1) == '*') {
- mp->m_type |= W_HEND;
- *cp = '\0';
- }
- }
- if ((cp = getenv ("MHWDEBUG")) && *cp)
- fprintf (stderr, "mbox=\"%s\" host=\"%s\" %s\n",
- mp->m_mbox, mp->m_host,
- snprintb (buffer, sizeof(buffer), (unsigned) mp->m_type, WBITS));
+ if (oops)
+ advise (NULL, "please fix the %s: entry in your %s file",
+ "alternate-mailboxes", mh_profile);
}
- }
- if (oops)
- advise (NULL, "please fix the %s: entry in your %s file",
- "alternate-mailboxes", mh_profile);
}
- }
- if (np == NULL) /* XXX */
- return 0;
-
- switch (np->m_type) {
- case NETHOST:
- len = strlen (cp = LocalName ());
- if (!uprf (np->m_host, cp) || np->m_host[len] != '.')
- break;
- goto local_test;
-
- case UUCPHOST:
- if (strcasecmp (np->m_host, SystemName()))
- break; /* fall */
- case LOCALHOST:
+ if (np == NULL) /* XXX */
+ return 0;
+
+ switch (np->m_type) {
+ case NETHOST:
+ len = strlen (cp = LocalName ());
+ if (!uprf (np->m_host, cp) || np->m_host[len] != '.')
+ break;
+ goto local_test;
+
+ case UUCPHOST:
+ if (mh_strcasecmp (np->m_host, SystemName()))
+ break; /* fall */
+ case LOCALHOST:
local_test: ;
- if (!strcasecmp (np->m_mbox, mq.m_mbox))
+ if (!mh_strcasecmp (np->m_mbox, mq.m_mbox))
+ return 1;
+ break;
+
+ default:
+ break;
+ }
+
+ /*
+ * Now scan through list of alternate
+ * mailboxes, and check for a match.
+ */
+ for (mp = &mq; mp->m_next;) {
+ mp = mp->m_next;
+ if (!np->m_mbox)
+ continue;
+ if ((len = strlen (cp = np->m_mbox))
+ < (i = strlen (pp = mp->m_mbox)))
+ continue;
+ switch (mp->m_type & W_MBOX) {
+ case W_NIL:
+ if (mh_strcasecmp (cp, pp))
+ continue;
+ break;
+ case W_MBEG:
+ if (mh_strcasecmp (cp + len - i, pp))
+ continue;
+ break;
+ case W_MEND:
+ if (!uprf (cp, pp))
+ continue;
+ break;
+ case W_MBEG | W_MEND:
+ if (stringdex (pp, cp) < 0)
+ continue;
+ break;
+ }
+
+ if (mp->m_nohost)
+ return 1;
+ if (np->m_host == NULL)
+ continue;
+ if ((len = strlen (cp = np->m_host))
+ < (i = strlen (pp = mp->m_host)))
+ continue;
+ switch (mp->m_type & W_HOST) {
+ case W_NIL:
+ if (mh_strcasecmp (cp, pp))
+ continue;
+ break;
+ case W_HBEG:
+ if (mh_strcasecmp (cp + len - i, pp))
+ continue;
+ break;
+ case W_HEND:
+ if (!uprf (cp, pp))
+ continue;
+ break;
+ case W_HBEG | W_HEND:
+ if (stringdex (pp, cp) < 0)
+ continue;
+ break;
+ }
return 1;
- break;
-
- default:
- break;
- }
-
- /*
- * Now scan through list of alternate
- * mailboxes, and check for a match.
- */
- for (mp = &mq; mp->m_next;) {
- mp = mp->m_next;
- if (!np->m_mbox)
- continue;
- if ((len = strlen (cp = np->m_mbox))
- < (i = strlen (pp = mp->m_mbox)))
- continue;
- switch (mp->m_type & W_MBOX) {
- case W_NIL:
- if (strcasecmp (cp, pp))
- continue;
- break;
- case W_MBEG:
- if (strcasecmp (cp + len - i, pp))
- continue;
- break;
- case W_MEND:
- if (!uprf (cp, pp))
- continue;
- break;
- case W_MBEG | W_MEND:
- if (stringdex (pp, cp) < 0)
- continue;
- break;
}
- if (mp->m_nohost)
- return 1;
- if (np->m_host == NULL)
- continue;
- if ((len = strlen (cp = np->m_host))
- < (i = strlen (pp = mp->m_host)))
- continue;
- switch (mp->m_type & W_HOST) {
- case W_NIL:
- if (strcasecmp (cp, pp))
- continue;
- break;
- case W_HBEG:
- if (strcasecmp (cp + len - i, pp))
- continue;
- break;
- case W_HEND:
- if (!uprf (cp, pp))
- continue;
- break;
- case W_HBEG | W_HEND:
- if (stringdex (pp, cp) < 0)
- continue;
- break;
+ return 0;
+}
+
+
+/*
+ * Moved from hosts.c -- find out the official name of a host
+ */
+
+/*
+ * In the SendMail world, we really don't know what the valid
+ * hosts are. We could poke around in the sendmail.cf file, but
+ * that still isn't a guarantee. As a result, we'll say that
+ * everything is a valid host, and let SendMail worry about it.
+ */
+
+#include <h/mts.h>
+#include <netdb.h>
+
+
+char *
+OfficialName (char *name)
+{
+ unsigned char *p;
+ char *q, site[BUFSIZ];
+ struct addrinfo hints, *res;
+
+ static char buffer[BUFSIZ];
+
+ for (p = name, q = site; *p && (q - site < sizeof(site) - 1); p++, q++)
+ *q = isupper (*p) ? tolower (*p) : *p;
+ *q = '\0';
+ q = site;
+
+ if (!mh_strcasecmp (LocalName(), site))
+ return LocalName();
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_flags = AI_CANONNAME;
+ hints.ai_family = PF_UNSPEC;
+
+ if (getaddrinfo(q, NULL, &hints, &res) == 0) {
+ strncpy (buffer, res->ai_canonname, sizeof(buffer));
+ buffer[sizeof(buffer) - 1] = '\0';
+ freeaddrinfo(res);
+ return buffer;
}
- return 1;
- }
- return 0;
+ strncpy (buffer, site, sizeof(buffer));
+ return buffer;
}