* Talk to the SMS database to change a person's home mail machine. This may
* be an Athena machine, or a completely arbitrary address.
*
- * chpobox with no modifiers reports all current mailboxes.
+ * chpobox with no modifiers reports the current mailbox.
*
- * chpobox -a [address] means add (not replace) a mailbox to the ones
- * the user already has. Complains if the user tries to give herself
- * more than one mailbox of type pop.
+ * chpobox -s [address] means set the mailbox to this address.
*
- * chpobox -d [address] means delete the specified mailbox from the list.
- * Complains if this would mean leaving the user with no mailbox at all.
+ * chpobox -p restores the pobox to a previous POP box, if there was one.
*
* chpobox -u [user] is needed if you are logged in as one user, but
* are trying to change the email address of another. You must have
* Kerberos tickets as the person whose address you are trying to
* change, or the attempt will fail.
- *
- * [address] must always have an @ sign in it.
- *
*/
#include <sys/types.h>
#include <pwd.h>
#include <strings.h>
#include <ctype.h>
-#include <netdb.h>
#include <errno.h>
/* SMS includes */
char *getlogin();
char *malloc();
-char *strcpy();
-char *strcat();
char *whoami;
+uid_t getuid();
int getopt();
-int status;
-#define MAXBOX 16
-
-extern int h_errno;
static int match;
-static struct pobox_values boxes[MAXBOX];
-static int nboxes = 0;
-uid_t getuid();
-#define DOMAIN ".MIT.EDU"
-#define NET_ADDRESS_SIZE 500 /* You would not believe the length of some
- * addresses.. */
main(argc, argv)
+ int argc;
char *argv[];
-
{
struct passwd *pwd;
- struct pobox_values getnewmach(), pobox;
- char *smsarg[1], buf[BUFSIZ];
- char *strsave(), *trim(), *in(), *canon();
+ char *smsarg[3];
+ char *potype();
char *address, *uname, *machine;
- char **return_args, **crunch_pobox_args();
uid_t u;
+ char *canonicalize_hostname();
int get_pobox(), scream();
- int c, delflag, add, usageflag;
+ int c, setflag, prevpop, usageflag, status;
extern int optind;
extern char *optarg;
- init_sms_err_tbl();
- init_krb_err_tbl();
- c = delflag = add = usageflag = 0;
+ c = usageflag = 0;
address = uname = (char *) NULL;
u = getuid();
usage();
}
- while ((c = getopt(argc, argv, "d:a:u:")) != EOF)
+ while ((c = getopt(argc, argv, "s:pu:")) != EOF)
switch (c) {
- case 'd':
- if (add)
+ case 's':
+ if (prevpop)
usageflag++;
else {
- delflag++;
+ setflag++;
address = strsave(optarg);
}
break;
- case 'a':
- if (delflag)
+ case 'p':
+ if (setflag)
usageflag++;
else {
- add++;
- address = strsave(optarg);
+ prevpop++;
}
break;
case 'u':
status = sms_connect();
if (status) {
- (void) sprintf(buf, "\nConnection to SMS server failed.");
- goto punt;
+ com_err(whoami, status, " while connecting to SMS");
+ exit(1);
}
status = sms_auth("chpobox");
if (status) {
- (void) sprintf(buf, "\nAuthorization failed -- please \
-run \"kinit\" and try again.");
- goto punt;
- }
-
- /*
- * set up some bogus arguments to feed to sms_access
- */
- pobox.login = uname;
- pobox.type = "SMTP";
- pobox.box = "foo";
- return_args = crunch_pobox_args(pobox);
- /*
- * do an access check.
- */
- status = sms_access("set_pobox", 3, return_args);
- if (status) {
- (void) sprintf(buf, "\nUnauthorized attempt to modify %s's \
-email address.", uname);
- goto punt;
- }
-
- /*
- * get a list of current boxes
- */
- status = sms_query("get_pobox", 1, smsarg, get_pobox, NULL);
- if (status && status != SMS_NO_MATCH) {
- com_err(whoami, status, "while retrieving current mailboxes\n");
- goto punt;
+ com_err(whoami, status, " while authenticating -- run \"kinit\" and try again.");
+ sms_disconnect();
+ exit(1);
}
- /*
- * address, if it exists, is of form user@host. It needs to be split up.
- */
- if (address) {
+ if (setflag) {
+ /* Address is of form user@host. Split it up. */
+ if (!address) {
+ fprintf(stderr, "%s: no address was specified.\n", whoami);
+ goto show;
+ }
machine = index(address, '@');
if (machine) {
- *machine++ = '\0'; /* get rid of the @ sign */
- machine = trim(machine); /* get rid of whitespace */
- }
- else {
- fprintf(stderr, "%s: no at sign (@) in address\n",
- whoami);
- sms_disconnect();
- exit(1);
- } /* now machine points to the machine name,
- * and address points to the "box" name */
- pobox.machine = canon(machine); /* canonicalize the machine name */
- if (pobox.machine == (char *) NULL) {/* nameserver failed in canon */
- (void) sprintf(buf, "\nNameserver lookup \
-failed.\nI cannot change your mailbox at this time. Please try again \
-later.\n");
- goto punt;
+ *machine++ = '\0'; /* get rid of the @ sign */
+ machine = strtrim(machine); /* get rid of whitespace */
+ } else {
+ fprintf(stderr, "%s: no at sign (@) in address \"%s\"\n",
+ whoami, address);
+ goto show;
}
- pobox.type = in(pobox.machine); /* find out the type */
- pobox.login = uname; /* whose is changing? */
- pobox.box = address; /* to what mailbox? */
- }
-
- if (add) {
- if (strcmp(pobox.type, "pop") == 0) {
- int i;
- /*
- * check to be sure that they're not getting more than one. If
- * they are, punt.
- */
- for (i = 0; i < nboxes; i++) {
- if (!strcmp(boxes[i].type, "POP")) {
- printf("%s already has a pobox on %s\n",
- uname, boxes[i].machine);
- goto punt;
- }
+ smsarg[2] = canonicalize_hostname(machine);
+ smsarg[1] = potype(smsarg[2]);
+ if (!strcmp(smsarg[1], "POP")) {
+ if (strcmp(address, uname)) {
+ fprintf(stderr,
+ "%s: the name on the POP box must match the username\n",
+ whoami);
+ goto show;
}
- }
- printf("Adding email address %s@%s for %s.",
- pobox.box, pobox.machine, uname);
-
- return_args = crunch_pobox_args(pobox);
- status = sms_query("add_pobox", 4, return_args, scream,
- (char *) NULL);
- if (status) {
- (void) sprintf(buf, "\nWrite failed to SMS \
-database.");
- goto punt;
- }
- printf("..done.\n");
- sms_disconnect();
- exit(0);
- }
- else if (delflag) {
- /* check to make sure that the
- * user isn't being left without a mailbox. */
- if (nboxes < 2) {
- printf("That would leave %s without a mailbox\n", uname);
- goto punt;
- }
- printf("Deleting email address %s@%s for %s.", pobox.box,
- pobox.machine, uname);
- return_args = crunch_pobox_args(pobox);
- status = sms_query("delete_pobox", 4, return_args, scream,
- (char *) NULL);
- if (status) {
- (void) sprintf(buf, "\nWrite failed to SMS \
-database.");
- goto punt;
- }
- printf("..done.\n");
- sms_disconnect();
- exit(0);
- }
-
- printf("Current mail address for %s is: ", uname);
- if (nboxes == 0)
- printf(" None\n");
- else {
- printf("%s\n last modified on %s by user %s using %s\n",
- boxes[0].box, boxes[0].modtime, boxes[0].modby, boxes[0].modwith);
+ } else if (!strcmp(smsarg[1], "LOCAL")) {
+ smsarg[2] = address;
+ *(--machine) = '@';
+ address = index(machine, '.');
+ if (address == NULL)
+ address = &machine[strlen(machine)];
+ sprintf(address, ".LOCAL");
+ smsarg[1] = "SMTP";
+ } else if (smsarg[1]) {
+ smsarg[2] = address;
+ *(--machine) = '@';
+ } else
+ goto show;
+ status = sms_query("set_pobox", 3, smsarg, scream, NULL);
+ if (status)
+ com_err(whoami, status,
+ " while setting pobox for %s to type %s, box %s",
+ smsarg[0], smsarg[1], smsarg[2]);
+ } else if (prevpop) {
+ status = sms_query("set_pobox_pop", 1, smsarg, scream, NULL);
+ if (status == SMS_MACHINE) {
+ fprintf(stderr,
+ "SMS has no record of a previous POP box for %s\n", uname);
+ } else if (status != 0)
+ com_err(whoami, status, " while setting pobox");
}
+ /*
+ * get current box
+ */
+show:
+ status = sms_query("get_pobox", 1, smsarg, get_pobox, NULL);
+ if (status == SMS_NO_MATCH)
+ printf("User %s has no pobox.\n", uname);
+ else if (status != 0)
+ com_err(whoami, status, " while retrieving current mailbox");
sms_disconnect();
exit(0);
-
-punt:
- if (status)
- com_err(whoami, status, buf);
- sms_disconnect();
- exit(1);
}
+
scream()
{
- com_err(whoami, status, "Unexpected return value from SMS -- \
-programmer botch\n");
+ com_err(whoami, 0, "Unexpected return value from SMS -- programmer botch");
sms_disconnect();
exit(1);
}
int argc;
char **argv, *callarg;
{
- struct pobox_values *pobox = &boxes[nboxes++];
-
- pobox->type = strsave(argv[1]);
- pobox->box = strsave(argv[2]);
- pobox->modtime = strsave(argv[3]);
- pobox->modby = strsave(argv[4]);
- pobox->modwith = strsave(argv[5]);
-
+ if (!strcmp(argv[1], "POP"))
+ printf("User %s, Type %s, Box: %s@%s\n",
+ argv[0], argv[1], argv[0], argv[2]);
+ else
+ printf("User %s, Type %s, Box: %s\n",
+ argv[0], argv[1], argv[2]);
+ printf(" Modified by %s on %s with %s\n", argv[4], argv[3], argv[5]);
return (0);
}
-char **
-crunch_pobox_args(in)
- struct pobox_values in;
-{
- char **out;
-
- out = (char **) malloc((unsigned) sizeof(char *) * 6);
- out[0] = in.login;
- out[1] = in.type;
- out[2] = in.box;
- out[3] = in.modtime;
- out[4] = in.modby;
- out[5] = in.modwith;
- return (out);
-}
-
-/*
- * Trim whitespace off of cp. Side-effects cp.
- */
-char *
-trim(cp)
- register char *cp;
-{
- register char *ep;
-
- while (isspace(*cp))
- cp++;
- ep = cp;
- while (*ep)
- ep++;
- if (ep > cp) {
- for (--ep; isspace(*ep); --ep)
- continue;
- ep++;
- *ep = '\0';
- }
- return cp;
-}
-
/*
* given a canonicalized machine name, ask the SMS server if it is of type
* pop, or of type local -- if neither, we assume that it's of type foreign.
*/
char *
-in(machine)
+potype(machine)
char *machine;
{
char *service[1], buf[BUFSIZ];
- int check_match();
+ int check_match(), status;
match = 0;
- service[0] = strsave("pop");
+ service[0] = "POP";
status = sms_query("get_server_locations", 1, service,
check_match, machine);
if (status && (status != SMS_NO_MATCH)) {
- (void) sprintf(buf, "\nRead failed from SMS \
-database.");
- goto punt;
+ com_err(whoami, status, " while reading list of POP servers");
+ return(NULL);
}
if (match)
- return ("pop");
+ return ("POP");
- service[0] = strsave("local");
+ service[0] = "LOCAL";
status = sms_query("get_server_locations", 1, service,
check_match, machine);
if (status && (status != SMS_NO_MATCH)) {
- (void) sprintf(buf, "\nRead failed from SMS \
-database.");
- goto punt;
+ com_err(whoami, status, " while reading list of LOCAL servers");
+ return(NULL);
}
if (match)
- return ("local");
+ return ("LOCAL");
else
- return ("foreign");
-punt:
- com_err(whoami, status, buf);
- sms_disconnect();
- exit(1);
+ return ("SMTP");
}
/* ARGSUSED */
if (match)
return (0);
- if (strcmp(argv[1], callback) == 0)
+ if (strcasecmp(argv[1], callback) == 0)
match = 1;
return (0);
}
-/*
- * given a machine name, canonicalize it and return it. Returns (char *)
- * NULL if the nameserver returns any error.
- */
-char *
-canon(machine)
- char *machine;
-{
- struct hostent *hostinfo;
-
- hostinfo = gethostbyname(machine);
- if (hostinfo != (struct hostent *) NULL)
- machine = strsave(hostinfo->h_name);
- else /* gethostbyname failed; this should be very
- * rare, since we're dealing with local
- * hosts, so no fancy error recovery.
- */
- machine = (char *) NULL;
- return (machine);
-}
-
usage()
{
- fprintf(stderr, "Usage: %s [-d|a address] [-u user]\n", whoami);
+ fprintf(stderr, "Usage: %s [-s address] [-p] [-u user]\n", whoami);
exit(1);
}
-
-/*
- * Local Variables:
- * mode: c
- * c-indent-level: 4
- * c-continued-statement-offset: 4
- * c-brace-offset: -4
- * c-argdecl-indent: 4
- * c-label-offset: -4
- * End:
- */
andersk / moira.git / commitdiff
