MEDIUM: Add parsing of mailers section
As mailer and mailers structures and allow parsing of
a mailers section into those structures.
These structures will subsequently be freed as it is
not yet possible to use reference them in the configuration.
Signed-off-by: Simon Horman <horms@verge.net.au>
diff --git a/Makefile b/Makefile
index 4671759..4e3e166 100644
--- a/Makefile
+++ b/Makefile
@@ -664,7 +664,7 @@
src/session.o src/hdr_idx.o src/ev_select.o src/signal.o \
src/acl.o src/sample.o src/memory.o src/freq_ctr.o src/auth.o \
src/compression.o src/payload.o src/hash.o src/pattern.o src/map.o \
- src/namespace.o
+ src/namespace.o src/mailers.o
EBTREE_OBJS = $(EBTREE_DIR)/ebtree.o \
$(EBTREE_DIR)/eb32tree.o $(EBTREE_DIR)/eb64tree.o \
diff --git a/include/types/mailers.h b/include/types/mailers.h
new file mode 100644
index 0000000..582bb94
--- /dev/null
+++ b/include/types/mailers.h
@@ -0,0 +1,65 @@
+/*
+ * include/types/mailer.h
+ * This file defines everything related to mailer.
+ *
+ * Copyright 2015 Horms Solutions Ltd., Simon Horman <horms@verge.net.au>
+ *
+ * Based on include/types/peers.h
+ *
+ * Copyright 2010 EXCELIANCE, Emeric Brun <ebrun@exceliance.fr>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _TYPES_EMAIL_ALERT_H
+#define _TYPES_EMAIL_ALERT_H
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+struct mailer {
+ char *id;
+ struct mailers *mailers;
+ struct {
+ const char *file; /* file where the section appears */
+ int line; /* line where the section appears */
+ } conf; /* config information */
+ struct sockaddr_storage addr; /* SMTP server address */
+ struct protocol *proto; /* SMTP server address's protocol */
+ struct xprt_ops *xprt; /* SMTP server socket operations at transport layer */
+ void *sock_init_arg; /* socket operations's opaque init argument if needed */
+ struct mailer *next; /* next mailer in the list */
+};
+
+
+struct mailers {
+ char *id; /* mailers section name */
+ struct mailer *mailer_list; /* mailers in this mailers section */
+ struct {
+ const char *file; /* file where the section appears */
+ int line; /* line where the section appears */
+ } conf; /* config information */
+ struct mailers *next; /* next mailers section */
+ int count; /* total number of mailers in this mailers section */
+ int users; /* number of users of this mailers section */
+};
+
+
+extern struct mailers *mailers;
+
+#endif /* _TYPES_EMAIL_ALERT_H */
+
diff --git a/src/cfgparse.c b/src/cfgparse.c
index c5f20a3..2db5ed1 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -48,6 +48,7 @@
#include <types/global.h>
#include <types/obj_type.h>
#include <types/peers.h>
+#include <types/mailers.h>
#include <proto/acl.h>
#include <proto/auth.h>
@@ -1916,6 +1917,145 @@
return err_code;
}
+
+/*
+ * Parse a line in a <listen>, <frontend>, <backend> or <ruleset> section.
+ * Returns the error code, 0 if OK, or any combination of :
+ * - ERR_ABORT: must abort ASAP
+ * - ERR_FATAL: we can continue parsing but not start the service
+ * - ERR_WARN: a warning has been emitted
+ * - ERR_ALERT: an alert has been emitted
+ * Only the two first ones can stop processing, the two others are just
+ * indicators.
+ */
+int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
+{
+ static struct mailers *curmailers = NULL;
+ struct mailer *newmailer = NULL;
+ const char *err;
+ int err_code = 0;
+ char *errmsg = NULL;
+
+ if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
+ if (!*args[1]) {
+ Alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
+ err_code |= ERR_ALERT | ERR_ABORT;
+ goto out;
+ }
+
+ err = invalid_char(args[1]);
+ if (err) {
+ Alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
+ file, linenum, *err, args[0], args[1]);
+ err_code |= ERR_ALERT | ERR_ABORT;
+ goto out;
+ }
+
+ for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
+ /*
+ * If there are two proxies with the same name only following
+ * combinations are allowed:
+ */
+ if (strcmp(curmailers->id, args[1]) == 0) {
+ Warning("Parsing [%s:%d]: mailers '%s' has same name as another mailers (declared at %s:%d).\n",
+ file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
+ err_code |= ERR_WARN;
+ }
+ }
+
+ if ((curmailers = (struct mailers *)calloc(1, sizeof(struct mailers))) == NULL) {
+ Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
+ err_code |= ERR_ALERT | ERR_ABORT;
+ goto out;
+ }
+
+ curmailers->next = mailers;
+ mailers = curmailers;
+ curmailers->conf.file = strdup(file);
+ curmailers->conf.line = linenum;
+ curmailers->id = strdup(args[1]);
+ }
+ else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
+ struct sockaddr_storage *sk;
+ int port1, port2;
+ struct protocol *proto;
+
+ if (!*args[2]) {
+ Alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
+ file, linenum, args[0]);
+ err_code |= ERR_ALERT | ERR_FATAL;
+ goto out;
+ }
+
+ err = invalid_char(args[1]);
+ if (err) {
+ Alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
+ file, linenum, *err, args[1]);
+ err_code |= ERR_ALERT | ERR_FATAL;
+ goto out;
+ }
+
+ if ((newmailer = (struct mailer *)calloc(1, sizeof(struct mailer))) == NULL) {
+ Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
+ err_code |= ERR_ALERT | ERR_ABORT;
+ goto out;
+ }
+
+ /* the mailers are linked backwards first */
+ curmailers->count++;
+ newmailer->next = curmailers->mailer_list;
+ curmailers->mailer_list = newmailer;
+ newmailer->mailers = curmailers;
+ newmailer->conf.file = strdup(file);
+ newmailer->conf.line = linenum;
+
+ newmailer->id = strdup(args[1]);
+
+ sk = str2sa_range(args[2], &port1, &port2, &errmsg, NULL);
+ if (!sk) {
+ Alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
+ err_code |= ERR_ALERT | ERR_FATAL;
+ goto out;
+ }
+
+ proto = protocol_by_family(sk->ss_family);
+ if (!proto || !proto->connect) {
+ Alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
+ file, linenum, args[0], args[1]);
+ err_code |= ERR_ALERT | ERR_FATAL;
+ goto out;
+ }
+
+ if (port1 != port2) {
+ Alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
+ file, linenum, args[0], args[1], args[2]);
+ err_code |= ERR_ALERT | ERR_FATAL;
+ goto out;
+ }
+
+ if (!port1) {
+ Alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
+ file, linenum, args[0], args[1], args[2]);
+ err_code |= ERR_ALERT | ERR_FATAL;
+ goto out;
+ }
+
+ newmailer->addr = *sk;
+ newmailer->proto = proto;
+ newmailer->xprt = &raw_sock;
+ newmailer->sock_init_arg = NULL;
+ } /* neither "mailer" nor "mailers" */
+ else if (*args[0] != 0) {
+ Alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
+ err_code |= ERR_ALERT | ERR_FATAL;
+ goto out;
+ }
+
+out:
+ free(errmsg);
+ return err_code;
+}
+
int cfg_parse_listen(const char *file, int linenum, char **args, int kwm)
{
static struct proxy *curproxy = NULL;
@@ -5942,6 +6082,7 @@
!cfg_register_section("global", cfg_parse_global) ||
!cfg_register_section("userlist", cfg_parse_users) ||
!cfg_register_section("peers", cfg_parse_peers) ||
+ !cfg_register_section("mailers", cfg_parse_mailers) ||
!cfg_register_section("namespace_list", cfg_parse_netns))
return -1;
@@ -7653,6 +7794,42 @@
}
}
+ if (mailers) {
+ struct mailers *curmailers = mailers, **last;
+ struct mailer *m, *mb;
+
+ /* Remove all mailers sections which don't have a valid listener.
+ * This can happen when a mailers section is never referenced.
+ */
+ last = &mailers;
+ while (*last) {
+ curmailers = *last;
+ if (curmailers->users) {
+ last = &curmailers->next;
+ continue;
+ }
+
+ Warning("Removing incomplete section 'mailers %s'.\n",
+ curmailers->id);
+
+ m = curmailers->mailer_list;
+ while (m) {
+ mb = m->next;
+ free(m->id);
+ free(m);
+ m = mb;
+ }
+
+ /* Destroy and unlink this curmailers section.
+ * Note: curmailers is backed up into *last.
+ */
+ free(curmailers->id);
+ curmailers = curmailers->next;
+ free(*last);
+ *last = curmailers;
+ }
+ }
+
pool2_hdr_idx = create_pool("hdr_idx",
global.tune.max_http_hdr * sizeof(struct hdr_idx_elem),
MEM_F_SHARED);
diff --git a/src/mailers.c b/src/mailers.c
new file mode 100644
index 0000000..4335453
--- /dev/null
+++ b/src/mailers.c
@@ -0,0 +1,17 @@
+/*
+ * Mailer management.
+ *
+ * Copyright 2015 Horms Solutions Ltd, Simon Horman <horms@verge.net.au>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <stdlib.h>
+
+#include <types/mailers.h>
+
+struct mailers *mailers = NULL;