1 /* Copyright (c) 2013-2018 Dovecot authors, see the included COPYING file */
2 
3 #include "lib.h"
4 #include "smtp-common.h"
5 
6 /*
7  * Capabilities
8  */
9 
10 const struct smtp_capability_name smtp_capability_names[] = {
11 	{ "AUTH", SMTP_CAPABILITY_AUTH },
12 	{ "STARTTLS", SMTP_CAPABILITY_STARTTLS },
13 	{ "PIPELINING", SMTP_CAPABILITY_PIPELINING },
14 	{ "SIZE", SMTP_CAPABILITY_SIZE },
15 	{ "ENHANCEDSTATUSCODES", SMTP_CAPABILITY_ENHANCEDSTATUSCODES },
16 	{ "8BITMIME", SMTP_CAPABILITY_8BITMIME },
17 	{ "CHUNKING", SMTP_CAPABILITY_CHUNKING },
18 	{ "BINARYMIME", SMTP_CAPABILITY_BINARYMIME },
19 	{ "BURL", SMTP_CAPABILITY_BURL },
20 	{ "DSN", SMTP_CAPABILITY_DSN },
21 	{ "VRFY", SMTP_CAPABILITY_VRFY },
22 	{ "ETRN", SMTP_CAPABILITY_ETRN },
23 	{ "XCLIENT", SMTP_CAPABILITY_XCLIENT },
24 	{ NULL, 0 }
25 };
26 
smtp_capability_find_by_name(const char * cap_name)27 enum smtp_capability smtp_capability_find_by_name(const char *cap_name)
28 {
29 	const struct smtp_capability_name *cap;
30 	unsigned int i;
31 
32 	for (i = 0; smtp_capability_names[i].name != NULL; i++) {
33 		cap = &smtp_capability_names[i];
34 
35 		if (strcasecmp(cap_name, cap->name) == 0)
36 			return cap->capability;
37 	}
38 
39 	return SMTP_CAPABILITY_NONE;
40 }
41 
42 /*
43  * SMTP proxy data
44  */
45 
46 static void
smtp_proxy_data_merge_extra_fields(pool_t pool,struct smtp_proxy_data * dst,const struct smtp_proxy_data * src)47 smtp_proxy_data_merge_extra_fields(pool_t pool, struct smtp_proxy_data *dst,
48 				   const struct smtp_proxy_data *src)
49 {
50 	const struct smtp_proxy_data_field *sefields;
51 	struct smtp_proxy_data_field *defields;
52 	unsigned int i;
53 
54 	if (src->extra_fields_count == 0)
55 		return;
56 
57 	sefields = src->extra_fields;
58 	defields = p_new(pool, struct smtp_proxy_data_field,
59 			 src->extra_fields_count);
60 	for (i = 0; i < src->extra_fields_count; i++) {
61 		defields[i].name = p_strdup(pool, sefields[i].name);
62 		defields[i].value = p_strdup(pool, sefields[i].value);
63 	}
64 
65 	dst->extra_fields = defields;
66 	dst->extra_fields_count = src->extra_fields_count;
67 }
68 
smtp_proxy_data_merge(pool_t pool,struct smtp_proxy_data * dst,const struct smtp_proxy_data * src)69 void smtp_proxy_data_merge(pool_t pool, struct smtp_proxy_data *dst,
70 			   const struct smtp_proxy_data *src)
71 {
72 	if (src->proto != SMTP_PROXY_PROTOCOL_UNKNOWN)
73 		dst->proto = src->proto;
74 	if (src->source_ip.family != 0) {
75 		dst->source_ip = src->source_ip;
76 		if (src->source_port != 0)
77 			dst->source_port = src->source_port;
78 	}
79 	if (src->helo != NULL && *src->helo != '\0')
80 		dst->helo = p_strdup(pool, src->helo);
81 	if (src->login != NULL && *src->login != '\0')
82 		dst->login = p_strdup(pool, src->login);
83 	if (src->ttl_plus_1 > 0)
84 		dst->ttl_plus_1 = src->ttl_plus_1;
85 	if (src->timeout_secs > 0)
86 		dst->timeout_secs = src->timeout_secs;
87 
88 	smtp_proxy_data_merge_extra_fields(pool, dst, src);
89 };
90