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authorJannis Hoffmann <jannis@fehcom.de>2024-07-03 15:48:04 +0200
committerJannis Hoffmann <jannis@fehcom.de>2024-07-03 15:48:04 +0200
commit89b7b67a13ebb7965cc7f13ad0595e2194a2d34c (patch)
tree25efd77a90ae87236e6730d8ea3846bbe0fd126f /src/include/spf.h
add sqmail-4.2.29asqmail-4.2
Diffstat (limited to 'src/include/spf.h')
-rw-r--r--src/include/spf.h111
1 files changed, 111 insertions, 0 deletions
diff --git a/src/include/spf.h b/src/include/spf.h
new file mode 100644
index 0000000..ca20418
--- /dev/null
+++ b/src/include/spf.h
@@ -0,0 +1,111 @@
+#ifndef SPF_H
+#define SPF_H
+
+#include "stralloc.h"
+#include "ipalloc.h"
+
+/* (Internal) Processing codes */
+
+#define SPF_INIT -1
+#define SPF_EXT -2 /* x */
+#define SPF_ME -3
+#define SPF_EXHAUST -4
+#define SPF_LOOP -5
+#define SPF_MULTIRR -6
+#define SPF_LOCAL -7
+#define SPF_ERROR -8
+#define SPF_NOMEM -9
+#define SPF_SYNTAX -10 /* Setup problem */
+
+/* (External) Resulting codes */
+
+#define SPF_OK 0 /* + Pass */
+#define SPF_NONE 1 /* o None */
+#define SPF_UNKNOWN 2 /* u Unknown method */
+#define SPF_NEUTRAL 3 /* ? Neutral */
+#define SPF_SOFTFAIL 4 /* ~ Softfail */
+#define SPF_FAIL 5 /* - Not Permitted */
+#define SPF_DNSSOFT 6 /* d From DNS; not used */
+
+#define LOOKUP_LIMIT 10
+
+/* spfinfo: S=remoteip|O=mailfrom|C=identity/domain|H=helo|M(echanism)=query|D=redirect|I=domain|P=problem|R:result */
+
+#define SPF_DEFEXP "See http://%{d}/why.html?sender=%{s}&ip=%{i}&receiver=%{r}"
+
+extern int flagip6;
+extern stralloc spfmf;
+extern stralloc spfhelo;
+extern stralloc spfinfo;
+extern stralloc spfdomain;
+extern stralloc dnsname;
+extern stralloc spflocalrules;
+extern stralloc spfrecord;
+extern stralloc expdomain;
+extern stralloc spfexplain;
+extern stralloc spfexpmsg;
+
+/* this table and macro came from wget more or less */
+/* and was in turn stolen by me++ from libspf as is :) */
+
+const static unsigned char urlchr_table[256] =
+{
+ 1, 1, 1, 1, 1, 1, 1, 1, /* NUL SOH STX ETX EOT ENQ ACK BEL */
+ 1, 1, 1, 1, 1, 1, 1, 1, /* BS HT LF VT FF CR SO SI */
+ 1, 1, 1, 1, 1, 1, 1, 1, /* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */
+ 1, 1, 1, 1, 1, 1, 1, 1, /* CAN EM SUB ESC FS GS RS US */
+ 1, 0, 1, 1, 0, 1, 1, 0, /* SP ! " # $ % & ' */
+ 0, 0, 0, 1, 0, 0, 0, 1, /* ( ) * + , - . / */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0 1 2 3 4 5 6 7 */
+ 0, 0, 1, 1, 1, 1, 1, 1, /* 8 9 : ; < = > ? */
+ 1, 0, 0, 0, 0, 0, 0, 0, /* @ A B C D E F G */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* H I J K L M N O */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* P Q R S T U V W */
+ 0, 0, 0, 1, 1, 1, 1, 0, /* X Y Z [ \ ] ^ _ */
+ 1, 0, 0, 0, 0, 0, 0, 0, /* ` a b c d e f g */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* h i j k l m n o */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* p q r s t u v w */
+ 0, 0, 0, 1, 1, 1, 1, 1, /* x y z { | } ~ DEL */
+
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+};
+
+#define WSPACE(x) ((x) == ' ' || (x) == '\t' || (x) == '\r' || (x) == '\n')
+#define NXTOK(b, p, a) do { (b) = (p); \
+ while((p) < (a)->len && !WSPACE((a)->s[(p)])) ++(p); \
+ while((p) < (a)->len && WSPACE((a)->s[(p)])) (a)->s[(p)++] = 0; \
+ } while(0)
+
+/* spfdnsip.c */
+
+int match_ip4(unsigned char [4],int,char [4]);
+int match_ip6(unsigned char [16],int,char [16]);
+int get_prefix(char *);
+int spf_records(stralloc *,stralloc *);
+int spf_include(char *,char *);
+int spf_a(char *,char *);
+int spf_mx(char *,char *);
+int spf_ptr(char *,char *);
+int spf_ip4(char *,char *);
+int spf_ip6(char *,char *);
+int spf_exists(char *,char *);
+
+/* spf.c */
+
+int spf_query(const char *,const char *,const char *,const char *,const int);
+int spf_lookup(stralloc *);
+int spf_mechanism(char *,char *,char *,char *);
+int spf_parse(stralloc *,char *,char *);
+int spf_macros(stralloc *,char *,char *);
+int spf_info(char *,const char *);
+
+#endif
+