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/*
* ali.c -- list nmh mail aliases
*
* 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 <h/aliasbr.h>
#include <h/mts.h>
#include <h/utils.h>
#define ALI_SWITCHES \
X("alias aliasfile", 0, ALIASW) \
X("noalias", -7, NALIASW) \
X("list", 0, LISTSW) \
X("nolist", 0, NLISTSW) \
X("user", 0, USERSW) \
X("nouser", 0, NUSERSW) \
X("version", 0, VERSIONSW) \
X("help", 0, HELPSW) \
#define X(sw, minchars, id) id,
DEFINE_SWITCH_ENUM(ALI);
#undef X
#define X(sw, minchars, id) { sw, minchars, id },
DEFINE_SWITCH_ARRAY(ALI, switches);
#undef X
static int pos = 1;
extern struct aka *akahead;
/*
* prototypes
*/
static void print_aka (char *, int, int);
static void print_usr (char *, int);
int
main (int argc, char **argv)
{
int i, vecp = 0, inverted = 0, list = 0;
int noalias = 0;
char *cp, **ap, **argp, buf[BUFSIZ];
/* Really only need to allocate for argc-1, but must allocate at least 1,
so go ahead and allocate for argc char pointers. */
char **vec = mh_xmalloc (argc * sizeof (char *)), **arguments;
struct aka *ak;
if (nmh_init(argv[0], 1)) { return 1; }
mts_init (invo_name);
arguments = getarguments (invo_name, argc, argv, 1);
argp = arguments;
while ((cp = *argp++)) {
if (*cp == '-') {
switch (smatch (++cp, switches)) {
case AMBIGSW:
ambigsw (cp, switches);
done (1);
case UNKWNSW:
adios (NULL, "-%s unknown", cp);
case HELPSW:
snprintf (buf, sizeof(buf), "%s [switches] aliases ...",
invo_name);
print_help (buf, switches, 1);
done (0);
case VERSIONSW:
print_version (invo_name);
done (0);
case ALIASW:
if (!(cp = *argp++) || *cp == '-')
adios (NULL, "missing argument to %s", argp[-2]);
if ((i = alias (cp)) != AK_OK)
adios (NULL, "aliasing error in %s - %s", cp, akerror (i));
continue;
case NALIASW:
noalias++;
continue;
case LISTSW:
list++;
continue;
case NLISTSW:
list = 0;
continue;
case USERSW:
inverted++;
continue;
case NUSERSW:
inverted = 0;
continue;
}
}
if (vecp < argc) {
vec[vecp++] = cp;
} else {
/* Should never happen, but try to protect against code changes
that could allow it. */
adios (NULL, "too many arguments");
}
}
if (!noalias) {
/* allow Aliasfile: profile entry */
if ((cp = context_find ("Aliasfile"))) {
char *dp = NULL;
for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++)
if ((i = alias (*ap)) != AK_OK)
adios (NULL, "aliasing error in %s - %s", *ap, akerror (i));
if (dp)
free(dp);
}
alias (AliasFile);
}
/*
* If -user is specified
*/
if (inverted) {
if (vecp == 0)
adios (NULL, "usage: %s -user addresses ... (you forgot the addresses)",
invo_name);
for (i = 0; i < vecp; i++)
print_usr (vec[i], list);
} else {
if (vecp) {
/* print specified aliases */
for (i = 0; i < vecp; i++)
print_aka (akvalue (vec[i]), list, 0);
} else {
/* print them all */
for (ak = akahead; ak; ak = ak->ak_next) {
printf ("%s: ", ak->ak_name);
pos += strlen (ak->ak_name) + 1;
print_aka (akresult (ak), list, pos);
}
}
}
free (vec);
done (0);
return 1;
}
static void
print_aka (char *p, int list, int margin)
{
char c;
if (p == NULL) {
printf ("<empty>\n");
return;
}
while ((c = *p++)) {
switch (c) {
case ',':
if (*p) {
if (list)
printf ("\n%*s", margin, "");
else {
if (pos >= 68) {
printf (",\n ");
pos = 2;
} else {
printf (", ");
pos += 2;
}
}
}
case 0:
break;
default:
pos++;
putchar (c);
}
}
putchar ('\n');
pos = 1;
}
static void
print_usr (char *s, int list)
{
register char *cp, *pp, *vp;
register struct aka *ak;
register struct mailname *mp, *np;
if ((pp = getname (s)) == NULL)
adios (NULL, "no address in \"%s\"", s);
if ((mp = getm (pp, NULL, 0, NULL, 0)) == NULL)
adios (NULL, "bad address \"%s\"", s);
while (getname (""))
continue;
vp = NULL;
for (ak = akahead; ak; ak = ak->ak_next) {
pp = akresult (ak);
while ((cp = getname (pp))) {
if ((np = getm (cp, NULL, 0, NULL, 0)) == NULL)
continue;
if (!strcasecmp (mp->m_host ? mp->m_host : "",
np->m_host ? np->m_host : "") &&
!strcasecmp (mp->m_mbox ? mp->m_mbox : "",
np->m_mbox ? np->m_mbox : "")) {
vp = vp ? add (ak->ak_name, add (",", vp))
: getcpy (ak->ak_name);
mnfree (np);
while (getname (""))
continue;
break;
}
mnfree (np);
}
}
mnfree (mp);
print_aka (vp ? vp : s, list, 0);
if (vp)
free (vp);
}
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