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-rw-r--r--usr.sbin/smtpd/lka.c200
-rw-r--r--usr.sbin/smtpd/mfa.c8
-rw-r--r--usr.sbin/smtpd/smtpd.c3
-rw-r--r--usr.sbin/smtpd/smtpd.h45
4 files changed, 104 insertions, 152 deletions
diff --git a/usr.sbin/smtpd/lka.c b/usr.sbin/smtpd/lka.c
index 5e04bf671d6..521e33d446f 100644
--- a/usr.sbin/smtpd/lka.c
+++ b/usr.sbin/smtpd/lka.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: lka.c,v 1.31 2009/03/04 00:00:40 gilles Exp $ */
+/* $OpenBSD: lka.c,v 1.32 2009/03/08 17:54:20 gilles Exp $ */
/*
* Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org>
@@ -60,7 +60,8 @@ int lka_match_mask(struct sockaddr_storage *, struct netaddr *);
int aliases_virtual_get(struct smtpd *, struct aliaseslist *, struct path *);
int aliases_virtual_exist(struct smtpd *, struct path *);
int lka_resolve_path(struct smtpd *, struct path *);
-int lka_expand_aliases(struct smtpd *, struct aliaseslist *, struct lkasession *);
+void lka_expand_rcpt(struct smtpd *, struct aliaseslist *, struct lkasession *);
+int lka_expand_rcpt_iteration(struct smtpd *, struct aliaseslist *, struct lkasession *);
void lka_rcpt_action(struct smtpd *, struct path *);
void lka_clear_aliaseslist(struct aliaseslist *);
@@ -115,12 +116,9 @@ lka_dispatch_parent(int sig, short event, void *p)
switch (imsg.hdr.type) {
case IMSG_PARENT_FORWARD_OPEN: {
int fd;
- int ret;
struct forward_req *fwreq;
struct lkasession key;
struct lkasession *lkasession;
- struct alias *alias;
- struct message message;
fwreq = imsg.data;
@@ -133,73 +131,18 @@ lka_dispatch_parent(int sig, short event, void *p)
if (fd == -1) {
if (fwreq->pw_name[0] != '\0') {
- lkasession->ss->code = 530;
+ lkasession->ss.code = 530;
lkasession->flags |= F_ERROR;
}
}
else {
if (! forwards_get(fd, &lkasession->aliaseslist)) {
- lkasession->ss->code = 530;
+ lkasession->ss.code = 530;
lkasession->flags |= F_ERROR;
}
close(fd);
}
-
- ret = 0;
- while (! (lkasession->flags & F_ERROR) &&
- ! lkasession->pending && lkasession->iterations < 5) {
- ++lkasession->iterations;
- ret = lka_expand_aliases(env, &lkasession->aliaseslist, lkasession);
- if (ret == -1) {
- lkasession->ss->code = 530;
- lkasession->flags |= F_ERROR;
- }
-
- if (lkasession->pending || ret <= 0)
- break;
- }
-
- if (lkasession->pending)
- break;
-
- if (lkasession->flags & F_ERROR) {
- lka_clear_aliaseslist(&lkasession->aliaseslist);
- imsg_compose(ibuf, IMSG_LKA_RCPT, 0, 0,
- -1, lkasession->ss, sizeof(*lkasession->ss));
- }
- else if (ret == 0) {
- log_debug("expansion resulted in empty list");
- message = lkasession->message;
- message.recipient = lkasession->path;
- imsg_compose(env->sc_ibufs[PROC_QUEUE],
- IMSG_QUEUE_SUBMIT_ENVELOPE, 0, 0, -1,
- &message, sizeof(struct message));
- imsg_compose(env->sc_ibufs[PROC_QUEUE],
- IMSG_QUEUE_COMMIT_ENVELOPES, 0, 0, -1,
- &message, sizeof(struct message));
- }
- else {
- log_debug("a list of aliases is available");
- message = lkasession->message;
- while ((alias = TAILQ_FIRST(&lkasession->aliaseslist)) != NULL) {
- bzero(&message.recipient, sizeof(struct path));
-
- lka_resolve_alias(&message.recipient, alias);
- lka_rcpt_action(env, &message.recipient);
-
- imsg_compose(env->sc_ibufs[PROC_QUEUE],
- IMSG_QUEUE_SUBMIT_ENVELOPE, 0, 0, -1,
- &message, sizeof(struct message));
-
- TAILQ_REMOVE(&lkasession->aliaseslist, alias, entry);
- free(alias);
- }
- imsg_compose(env->sc_ibufs[PROC_QUEUE],
- IMSG_QUEUE_COMMIT_ENVELOPES, 0, 0, -1, &message,
- sizeof(struct message));
- }
- SPLAY_REMOVE(lkatree, &env->lka_sessions, lkasession);
- free(lkasession);
+ lka_expand_rcpt(env, &lkasession->aliaseslist, lkasession);
break;
}
default:
@@ -267,9 +210,8 @@ lka_dispatch_mfa(int sig, short event, void *p)
}
case IMSG_LKA_RCPT: {
struct submit_status *ss;
- struct message message;
+ struct message message;
struct lkasession *lkasession;
- struct alias *alias;
struct forward_req fwreq;
int ret;
@@ -303,11 +245,11 @@ lka_dispatch_mfa(int sig, short event, void *p)
lkasession->id = queue_generate_id();
lkasession->path = ss->u.path;
lkasession->message = ss->msg;
- lkasession->ss = ss;
+ lkasession->ss = *ss;
+
TAILQ_INIT(&lkasession->aliaseslist);
SPLAY_INSERT(lkatree, &env->lka_sessions, lkasession);
- log_debug("LKA SESSION !");
ret = 0;
if (lkasession->path.flags & F_ACCOUNT) {
@@ -336,60 +278,8 @@ lka_dispatch_mfa(int sig, short event, void *p)
break;
}
- ret = 0;
- while (! lkasession->pending && lkasession->iterations < 5) {
- ++lkasession->iterations;
- ret = lka_expand_aliases(env, &lkasession->aliaseslist, lkasession);
- if (ret == -1) {
- lkasession->ss->code = 530;
- lkasession->flags |= F_ERROR;
- }
+ lka_expand_rcpt(env, &lkasession->aliaseslist, lkasession);
- if (lkasession->pending || ret <= 0)
- break;
- }
-
- if (lkasession->pending)
- break;
-
- if (lkasession->flags & F_ERROR) {
- lka_clear_aliaseslist(&lkasession->aliaseslist);
- imsg_compose(ibuf, IMSG_LKA_RCPT, 0, 0,
- -1, lkasession->ss, sizeof(*lkasession->ss));
- }
- else if (ret == 0) {
- log_debug("expansion resulted in empty list");
- message = ss->msg;
- message.recipient = ss->u.path;
- imsg_compose(env->sc_ibufs[PROC_QUEUE],
- IMSG_QUEUE_SUBMIT_ENVELOPE, 0, 0, -1,
- &message, sizeof(struct message));
- imsg_compose(env->sc_ibufs[PROC_QUEUE],
- IMSG_QUEUE_COMMIT_ENVELOPES, 0, 0, -1,
- &message, sizeof(struct message));
- }
- else {
- log_debug("a list of aliases is available");
- message = ss->msg;
- while ((alias = TAILQ_FIRST(&lkasession->aliaseslist)) != NULL) {
- bzero(&message.recipient, sizeof(struct path));
-
- lka_resolve_alias(&message.recipient, alias);
- lka_rcpt_action(env, &message.recipient);
-
- imsg_compose(env->sc_ibufs[PROC_QUEUE],
- IMSG_QUEUE_SUBMIT_ENVELOPE, 0, 0, -1,
- &message, sizeof(struct message));
-
- TAILQ_REMOVE(&lkasession->aliaseslist, alias, entry);
- free(alias);
- }
- imsg_compose(env->sc_ibufs[PROC_QUEUE],
- IMSG_QUEUE_COMMIT_ENVELOPES, 0, 0, -1, &message,
- sizeof(struct message));
- }
- SPLAY_REMOVE(lkatree, &env->lka_sessions, lkasession);
- free(lkasession);
break;
}
default:
@@ -960,8 +850,72 @@ lka_resolve_alias(struct path *path, struct alias *alias)
return 1;
}
+void
+lka_expand_rcpt(struct smtpd *env, struct aliaseslist *aliases, struct lkasession *lkasession)
+{
+ int ret;
+ struct alias *alias;
+ struct message message;
+
+ ret = 0;
+ while (! (lkasession->flags & F_ERROR) &&
+ ! lkasession->pending && lkasession->iterations < 5) {
+ ++lkasession->iterations;
+ ret = lka_expand_rcpt_iteration(env, &lkasession->aliaseslist, lkasession);
+ if (ret == -1) {
+ lkasession->ss.code = 530;
+ lkasession->flags |= F_ERROR;
+ }
+
+ if (lkasession->pending || ret <= 0)
+ break;
+ }
+
+ if (lkasession->pending)
+ return;
+
+ if (lkasession->flags & F_ERROR) {
+ lka_clear_aliaseslist(&lkasession->aliaseslist);
+ imsg_compose(env->sc_ibufs[PROC_MFA], IMSG_LKA_RCPT, 0, 0,
+ -1, &lkasession->ss, sizeof(struct submit_status));
+ }
+ else if (ret == 0) {
+ log_debug("expansion resulted in empty list");
+ message = lkasession->message;
+ message.recipient = lkasession->path;
+ imsg_compose(env->sc_ibufs[PROC_QUEUE],
+ IMSG_QUEUE_SUBMIT_ENVELOPE, 0, 0, -1,
+ &message, sizeof(struct message));
+ imsg_compose(env->sc_ibufs[PROC_QUEUE],
+ IMSG_QUEUE_COMMIT_ENVELOPES, 0, 0, -1,
+ &message, sizeof(struct message));
+ }
+ else {
+ log_debug("a list of aliases is available");
+ message = lkasession->message;
+ while ((alias = TAILQ_FIRST(&lkasession->aliaseslist)) != NULL) {
+ bzero(&message.recipient, sizeof(struct path));
+
+ lka_resolve_alias(&message.recipient, alias);
+ lka_rcpt_action(env, &message.recipient);
+
+ imsg_compose(env->sc_ibufs[PROC_QUEUE],
+ IMSG_QUEUE_SUBMIT_ENVELOPE, 0, 0, -1,
+ &message, sizeof(struct message));
+
+ TAILQ_REMOVE(&lkasession->aliaseslist, alias, entry);
+ free(alias);
+ }
+ imsg_compose(env->sc_ibufs[PROC_QUEUE],
+ IMSG_QUEUE_COMMIT_ENVELOPES, 0, 0, -1, &message,
+ sizeof(struct message));
+ }
+ SPLAY_REMOVE(lkatree, &env->lka_sessions, lkasession);
+ free(lkasession);
+}
+
int
-lka_expand_aliases(struct smtpd *env, struct aliaseslist *aliases, struct lkasession *lkasession)
+lka_expand_rcpt_iteration(struct smtpd *env, struct aliaseslist *aliases, struct lkasession *lkasession)
{
u_int8_t done = 1;
struct alias *rmalias = NULL;
@@ -1005,8 +959,10 @@ lka_expand_aliases(struct smtpd *env, struct aliaseslist *aliases, struct lkases
rmalias = NULL;
}
- if (!done && lkasession->iterations == 5)
+ if (!done && lkasession->iterations == 5) {
+ log_debug("loop detected");
return -1;
+ }
if (TAILQ_FIRST(aliases) == NULL)
return 0;
diff --git a/usr.sbin/smtpd/mfa.c b/usr.sbin/smtpd/mfa.c
index 412bd322762..52187013c6a 100644
--- a/usr.sbin/smtpd/mfa.c
+++ b/usr.sbin/smtpd/mfa.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mfa.c,v 1.15 2009/02/22 19:07:33 chl Exp $ */
+/* $OpenBSD: mfa.c,v 1.16 2009/03/08 17:54:20 gilles Exp $ */
/*
* Copyright (c) 2008 Gilles Chehade <gilles@openbsd.org>
@@ -214,14 +214,12 @@ mfa_dispatch_lka(int sig, short event, void *p)
struct submit_status *ss;
ss = imsg.data;
- if (ss->msg.flags & F_MESSAGE_ENQUEUED) {
+ if (ss->msg.flags & F_MESSAGE_ENQUEUED)
imsg_compose(env->sc_ibufs[PROC_CONTROL], IMSG_MFA_RCPT,
0, 0, -1, ss, sizeof(*ss));
- }
- else {
+ else
imsg_compose(env->sc_ibufs[PROC_SMTP], IMSG_MFA_RCPT,
0, 0, -1, ss, sizeof(*ss));
- }
break;
}
default:
diff --git a/usr.sbin/smtpd/smtpd.c b/usr.sbin/smtpd/smtpd.c
index 98b4bdade42..6d3217e8683 100644
--- a/usr.sbin/smtpd/smtpd.c
+++ b/usr.sbin/smtpd/smtpd.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: smtpd.c,v 1.41 2009/03/04 00:00:40 gilles Exp $ */
+/* $OpenBSD: smtpd.c,v 1.42 2009/03/08 17:54:20 gilles Exp $ */
/*
* Copyright (c) 2008 Gilles Chehade <gilles@openbsd.org>
@@ -200,7 +200,6 @@ parent_dispatch_lka(int fd, short event, void *p)
if (ret == -1)
if (errno == ENOENT)
fwreq->pw_name[0] = '\0';
- log_debug("parent will return fd %d", ret);
imsg_compose(ibuf, IMSG_PARENT_FORWARD_OPEN, 0, 0, ret, fwreq, sizeof(*fwreq));
break;
}
diff --git a/usr.sbin/smtpd/smtpd.h b/usr.sbin/smtpd/smtpd.h
index 5390f76aa43..23ad369074f 100644
--- a/usr.sbin/smtpd/smtpd.h
+++ b/usr.sbin/smtpd/smtpd.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: smtpd.h,v 1.83 2009/03/06 23:45:00 gilles Exp $ */
+/* $OpenBSD: smtpd.h,v 1.84 2009/03/08 17:54:20 gilles Exp $ */
/*
* Copyright (c) 2008 Gilles Chehade <gilles@openbsd.org>
@@ -620,28 +620,6 @@ struct session {
};
-struct forward_req {
- u_int64_t id;
- char pw_name[MAXLOGNAME];
-};
-
-enum lkasession_flags {
- F_ERROR = 0x1
-};
-
-struct lkasession {
- SPLAY_ENTRY(lkasession) nodes;
- u_int64_t id;
-
- struct path path;
- struct aliaseslist aliaseslist;
- u_int8_t iterations;
- u_int32_t pending;
- enum lkasession_flags flags;
- struct message message;
- struct submit_status *ss;
-};
-
struct smtpd {
#define SMTPD_OPT_VERBOSE 0x00000001
#define SMTPD_OPT_NOACTION 0x00000002
@@ -737,6 +715,27 @@ struct message_recipient {
struct message msg;
};
+struct forward_req {
+ u_int64_t id;
+ char pw_name[MAXLOGNAME];
+};
+
+enum lkasession_flags {
+ F_ERROR = 0x1
+};
+
+struct lkasession {
+ SPLAY_ENTRY(lkasession) nodes;
+ u_int64_t id;
+
+ struct path path;
+ struct aliaseslist aliaseslist;
+ u_int8_t iterations;
+ u_int32_t pending;
+ enum lkasession_flags flags;
+ struct message message;
+ struct submit_status ss;
+};
/* aliases.c */
int aliases_exist(struct smtpd *, char *);