From b7c15c31519dc44c1f691e0466badd556ffe9423 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:18:56 +0200 Subject: Adding upstream version 3.7.10. Signed-off-by: Daniel Baumann --- src/util/dict_static.c | 151 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 151 insertions(+) create mode 100644 src/util/dict_static.c (limited to 'src/util/dict_static.c') diff --git a/src/util/dict_static.c b/src/util/dict_static.c new file mode 100644 index 0000000..448dde0 --- /dev/null +++ b/src/util/dict_static.c @@ -0,0 +1,151 @@ +/*++ +/* NAME +/* dict_static 3 +/* SUMMARY +/* dictionary manager interface to static variables +/* SYNOPSIS +/* #include +/* +/* DICT *dict_static_open(name, name, dict_flags) +/* const char *name; +/* int dummy; +/* int dict_flags; +/* DESCRIPTION +/* dict_static_open() implements a dummy dictionary that returns +/* as lookup result the dictionary name, regardless of the lookup +/* key value. +/* SEE ALSO +/* dict(3) generic dictionary manager +/* LICENSE +/* .ad +/* .fi +/* The Secure Mailer license must be distributed with this software. +/* AUTHOR(S) +/* jeffm +/* ghostgun.com +/* +/* Wietse Venema +/* Google, Inc. +/* 111 8th Avenue +/* New York, NY 10011, USA +/*--*/ + +/* System library. */ + +#include "sys_defs.h" +#include /* sprintf() prototype */ +#include +#include +#include + +/* Utility library. */ + +#include "mymalloc.h" +#include "msg.h" +#include "stringops.h" +#include "dict.h" +#include "dict_static.h" + + /* + * Subclass of DICT. + */ +typedef struct { + DICT dict; /* parent class */ + char *value; +} DICT_STATIC; + +#define STR(x) vstring_str(x) + +/* dict_static_lookup - access static value*/ + +static const char *dict_static_lookup(DICT *dict, const char *unused_name) +{ + DICT_STATIC *dict_static = (DICT_STATIC *) dict; + + DICT_ERR_VAL_RETURN(dict, DICT_ERR_NONE, dict_static->value); +} + +/* dict_static_close - close static dictionary */ + +static void dict_static_close(DICT *dict) +{ + DICT_STATIC *dict_static = (DICT_STATIC *) dict; + + if (dict_static->value) + myfree(dict_static->value); + if (dict->fold_buf) + vstring_free(dict->fold_buf); + dict_free(dict); +} + +/* dict_static_open - make association with static variable */ + +DICT *dict_static_open(const char *name, int open_flags, int dict_flags) +{ + DICT_STATIC *dict_static; + char *err = 0; + char *cp, *saved_name = 0; + const char *value; + VSTRING *base64_buf; + + /* + * Let the optimizer worry about eliminating redundant code. + */ +#define DICT_STATIC_OPEN_RETURN(d) do { \ + DICT *__d = (d); \ + if (saved_name != 0) \ + myfree(saved_name); \ + if (err != 0) \ + myfree(err); \ + return (__d); \ + } while (0) + + /* + * Optionally strip surrounding braces and whitespace. + */ + if (name[0] == CHARS_BRACE[0]) { + saved_name = cp = mystrdup(name); + if ((err = extpar(&cp, CHARS_BRACE, EXTPAR_FLAG_STRIP)) != 0) + DICT_STATIC_OPEN_RETURN(dict_surrogate(DICT_TYPE_STATIC, name, + open_flags, dict_flags, + "bad %s:name syntax: %s", + DICT_TYPE_STATIC, + err)); + value = cp; + } else { + value = name; + } + + /* + * Bundle up the preliminary result. + */ + dict_static = (DICT_STATIC *) dict_alloc(DICT_TYPE_STATIC, name, + sizeof(*dict_static)); + dict_static->dict.lookup = dict_static_lookup; + dict_static->dict.close = dict_static_close; + dict_static->dict.flags = dict_flags | DICT_FLAG_FIXED; + dict_static->dict.owner.status = DICT_OWNER_TRUSTED; + dict_static->value = 0; + + /* + * Optionally replace the value with file contents. + */ + if (dict_flags & DICT_FLAG_SRC_RHS_IS_FILE) { + if ((base64_buf = dict_file_to_b64(&dict_static->dict, value)) == 0) { + err = dict_file_get_error(&dict_static->dict); + dict_close(&dict_static->dict); + DICT_STATIC_OPEN_RETURN(dict_surrogate(DICT_TYPE_STATIC, name, + open_flags, dict_flags, + "%s", err)); + } + value = vstring_str(base64_buf); + } + + /* + * Finalize the result. + */ + dict_static->value = mystrdup(value); + dict_file_purge_buffers(&dict_static->dict); + + DICT_STATIC_OPEN_RETURN(DICT_DEBUG (&(dict_static->dict))); +} -- cgit v1.2.3