diff options
Diffstat (limited to 'src/gpgme-json.c')
-rw-r--r-- | src/gpgme-json.c | 3427 |
1 files changed, 25 insertions, 3402 deletions
diff --git a/src/gpgme-json.c b/src/gpgme-json.c index c88973a8..fe2c5372 100644 --- a/src/gpgme-json.c +++ b/src/gpgme-json.c @@ -1,5 +1,5 @@ -/* gpgme-json.c - JSON based interface to gpgme (server) - * Copyright (C) 2018 g10 Code GmbH +/* gpgme-json.c - JSON based interface to gpgme (stdio-server) + * Copyright (C) 2018, 2025 g10 Code GmbH * * This file is part of GPGME. * @@ -34,3399 +34,16 @@ #include <stdint.h> #include <sys/stat.h> -#define GPGRT_ENABLE_ES_MACROS 1 -#define GPGRT_ENABLE_LOG_MACROS 1 -#define GPGRT_ENABLE_ARGPARSE_MACROS 1 -#include "gpgme.h" -#include "cJSON.h" +#include "json-common.h" /* We don't allow a request with more than 64 MiB. */ #define MAX_REQUEST_SIZE (64 * 1024 * 1024) -/* Minimal chunk size for returned data.*/ -#define MIN_REPLY_CHUNK_SIZE 30 - -/* If no chunksize is provided we print everything. Changing - * this to a positive value will result in all messages being - * chunked. */ -#define DEF_REPLY_CHUNK_SIZE 0 -#define MAX_REPLY_CHUNK_SIZE (10 * 1024 * 1024) - - -static void xoutofcore (const char *type) GPGRT_ATTR_NORETURN; -static cjson_t error_object_v (cjson_t json, const char *message, - va_list arg_ptr, gpg_error_t err) - GPGRT_ATTR_PRINTF(2,0); -static cjson_t error_object (cjson_t json, const char *message, - ...) GPGRT_ATTR_PRINTF(2,3); -static char *error_object_string (const char *message, - ...) GPGRT_ATTR_PRINTF(1,2); -static char *process_request (const char *request); - - -/* True if interactive mode is active. */ -static int opt_interactive; /* True is debug mode is active. */ static int opt_debug; -/* Pending data to be returned by a getmore command. */ -static struct -{ - char *buffer; /* Malloced data or NULL if not used. */ - size_t length; /* Length of that data. */ - size_t written; /* # of already written bytes from BUFFER. */ -} pending_data; - - -/* - * Helper functions and macros - */ - -#define xtrystrdup(a) gpgrt_strdup ((a)) -#define xcalloc(a,b) ({ \ - void *_r = gpgrt_calloc ((a), (b)); \ - if (!_r) \ - xoutofcore ("calloc"); \ - _r; }) -#define xstrdup(a) ({ \ - char *_r = gpgrt_strdup ((a)); \ - if (!_r) \ - xoutofcore ("strdup"); \ - _r; }) -#define xstrconcat(a, ...) ({ \ - char *_r = gpgrt_strconcat ((a), __VA_ARGS__); \ - if (!_r) \ - xoutofcore ("strconcat"); \ - _r; }) -#define xfree(a) gpgrt_free ((a)) - -/* Only use calloc. */ -#define CALLOC_ONLY 1 - -#if CALLOC_ONLY -#define xtrymalloc(a) gpgrt_calloc (1, (a)) -#define xmalloc(a) xcalloc(1, (a)) -#else -#define xtrymalloc(a) gpgrt_malloc ((a)) -#define xmalloc(a) ({ \ - void *_r = gpgrt_malloc ((a)); \ - if (!_r) \ - xoutofcore ("malloc"); \ - _r; }) -#endif - -#define spacep(p) (*(p) == ' ' || *(p) == '\t') - -#ifndef HAVE_STPCPY -static GPGRT_INLINE char * -_my_stpcpy (char *a, const char *b) -{ - while (*b) - *a++ = *b++; - *a = 0; - return a; -} -#define stpcpy(a,b) _my_stpcpy ((a), (b)) -#endif /*!HAVE_STPCPY*/ - - -/* Free a NULL terminated array */ -static void -xfree_array (char **array) -{ - if (array) - { - int idx; - for (idx = 0; array[idx]; idx++) - xfree (array[idx]); - xfree (array); - } -} - - -static void -xoutofcore (const char *type) -{ - gpg_error_t err = gpg_error_from_syserror (); - log_error ("%s failed: %s\n", type, gpg_strerror (err)); - exit (2); -} - - -/* Call cJSON_CreateObject but terminate in case of an error. */ -static cjson_t -xjson_CreateObject (void) -{ - cjson_t json = cJSON_CreateObject (); - if (!json) - xoutofcore ("cJSON_CreateObject"); - return json; -} - -/* Call cJSON_CreateArray but terminate in case of an error. */ -static cjson_t -xjson_CreateArray (void) -{ - cjson_t json = cJSON_CreateArray (); - if (!json) - xoutofcore ("cJSON_CreateArray"); - return json; -} - - -/* Wrapper around cJSON_AddStringToObject which returns an gpg-error - * code instead of the NULL or the new object. */ -static gpg_error_t -cjson_AddStringToObject (cjson_t object, const char *name, const char *string) -{ - if (!cJSON_AddStringToObject (object, name, string)) - return gpg_error_from_syserror (); - return 0; -} - - -/* Same as cjson_AddStringToObject but prints an error message and - * terminates the process. */ -static void -xjson_AddStringToObject (cjson_t object, const char *name, const char *string) -{ - if (!cJSON_AddStringToObject (object, name, string)) - xoutofcore ("cJSON_AddStringToObject"); -} - - -/* Same as xjson_AddStringToObject but ignores NULL strings */ -static void -xjson_AddStringToObject0 (cjson_t object, const char *name, const char *string) -{ - if (!string) - return; - xjson_AddStringToObject (object, name, string); -} - -/* Wrapper around cJSON_AddBoolToObject which terminates the process - * in case of an error. */ -static void -xjson_AddBoolToObject (cjson_t object, const char *name, int abool) -{ - if (!cJSON_AddBoolToObject (object, name, abool)) - xoutofcore ("cJSON_AddStringToObject"); - return ; -} - -/* Wrapper around cJSON_AddNumberToObject which terminates the process - * in case of an error. */ -static void -xjson_AddNumberToObject (cjson_t object, const char *name, double dbl) -{ - if (!cJSON_AddNumberToObject (object, name, dbl)) - xoutofcore ("cJSON_AddNumberToObject"); - return ; -} - -/* Wrapper around cJSON_AddItemToObject which terminates the process - * in case of an error. */ -static void -xjson_AddItemToObject (cjson_t object, const char *name, cjson_t item) -{ - if (!cJSON_AddItemToObject (object, name, item)) - xoutofcore ("cJSON_AddItemToObject"); - return ; -} - -/* This is similar to cJSON_AddStringToObject but takes (DATA, - * DATALEN) and adds it under NAME as a base 64 encoded string to - * OBJECT. */ -static gpg_error_t -add_base64_to_object (cjson_t object, const char *name, - const void *data, size_t datalen) -{ - gpg_err_code_t err; - estream_t fp = NULL; - gpgrt_b64state_t state = NULL; - cjson_t j_str = NULL; - void *buffer = NULL; - - fp = es_fopenmem (0, "rwb"); - if (!fp) - { - err = gpg_err_code_from_syserror (); - goto leave; - } - state = gpgrt_b64enc_start (fp, ""); - if (!state) - { - err = gpg_err_code_from_syserror (); - goto leave; - } - - err = gpgrt_b64enc_write (state, data, datalen); - if (err) - goto leave; - - err = gpgrt_b64enc_finish (state); - state = NULL; - if (err) - return err; - - es_fputc (0, fp); - if (es_fclose_snatch (fp, &buffer, NULL)) - { - fp = NULL; - err = gpg_error_from_syserror (); - goto leave; - } - fp = NULL; - - j_str = cJSON_CreateStringConvey (buffer); - if (!j_str) - { - err = gpg_error_from_syserror (); - goto leave; - } - buffer = NULL; - - if (!cJSON_AddItemToObject (object, name, j_str)) - { - err = gpg_error_from_syserror (); - cJSON_Delete (j_str); - j_str = NULL; - goto leave; - } - j_str = NULL; - - leave: - xfree (buffer); - cJSON_Delete (j_str); - gpgrt_b64enc_finish (state); - es_fclose (fp); - return err; -} - - -/* Create a JSON error object. If JSON is not NULL the error message - * is appended to that object. An existing "type" item will be replaced. */ -static cjson_t -error_object_v (cjson_t json, const char *message, va_list arg_ptr, - gpg_error_t err) -{ - cjson_t response, j_tmp; - char *msg; - - msg = gpgrt_vbsprintf (message, arg_ptr); - if (!msg) - xoutofcore ("error_object"); - - response = json? json : xjson_CreateObject (); - - if (!(j_tmp = cJSON_GetObjectItem (response, "type"))) - xjson_AddStringToObject (response, "type", "error"); - else /* Replace existing "type". */ - { - j_tmp = cJSON_CreateString ("error"); - if (!j_tmp) - xoutofcore ("cJSON_CreateString"); - cJSON_ReplaceItemInObject (response, "type", j_tmp); - } - xjson_AddStringToObject (response, "msg", msg); - xfree (msg); - - xjson_AddNumberToObject (response, "code", err); - - return response; -} - - -/* Call cJSON_Print but terminate in case of an error. */ -static char * -xjson_Print (cjson_t object) -{ - char *buf; - buf = cJSON_Print (object); - if (!buf) - xoutofcore ("cJSON_Print"); - return buf; -} - - -static cjson_t -error_object (cjson_t json, const char *message, ...) -{ - cjson_t response; - va_list arg_ptr; - - va_start (arg_ptr, message); - response = error_object_v (json, message, arg_ptr, 0); - va_end (arg_ptr); - return response; -} - - -static cjson_t -gpg_error_object (cjson_t json, gpg_error_t err, const char *message, ...) -{ - cjson_t response; - va_list arg_ptr; - - va_start (arg_ptr, message); - response = error_object_v (json, message, arg_ptr, err); - va_end (arg_ptr); - return response; -} - - -static char * -error_object_string (const char *message, ...) -{ - cjson_t response; - va_list arg_ptr; - char *msg; - - va_start (arg_ptr, message); - response = error_object_v (NULL, message, arg_ptr, 0); - va_end (arg_ptr); - - msg = xjson_Print (response); - cJSON_Delete (response); - return msg; -} - - -/* Get the boolean property NAME from the JSON object and store true - * or valse at R_VALUE. If the name is unknown the value of DEF_VALUE - * is returned. If the type of the value is not boolean, - * GPG_ERR_INV_VALUE is returned and R_VALUE set to DEF_VALUE. */ -static gpg_error_t -get_boolean_flag (cjson_t json, const char *name, int def_value, int *r_value) -{ - cjson_t j_item; - - j_item = cJSON_GetObjectItem (json, name); - if (!j_item) - *r_value = def_value; - else if (cjson_is_true (j_item)) - *r_value = 1; - else if (cjson_is_false (j_item)) - *r_value = 0; - else - { - *r_value = def_value; - return gpg_error (GPG_ERR_INV_VALUE); - } - - return 0; -} - - -/* Get the boolean property PROTOCOL from the JSON object and store - * its value at R_PROTOCOL. The default is OpenPGP. */ -static gpg_error_t -get_protocol (cjson_t json, gpgme_protocol_t *r_protocol) -{ - cjson_t j_item; - - *r_protocol = GPGME_PROTOCOL_OpenPGP; - j_item = cJSON_GetObjectItem (json, "protocol"); - if (!j_item) - ; - else if (!cjson_is_string (j_item)) - return gpg_error (GPG_ERR_INV_VALUE); - else if (!strcmp(j_item->valuestring, "openpgp")) - ; - else if (!strcmp(j_item->valuestring, "cms")) - *r_protocol = GPGME_PROTOCOL_CMS; - else - return gpg_error (GPG_ERR_UNSUPPORTED_PROTOCOL); - - return 0; -} - - -/* Get the chunksize from JSON and store it at R_CHUNKSIZE. */ -static gpg_error_t -get_chunksize (cjson_t json, size_t *r_chunksize) -{ - cjson_t j_item; - - *r_chunksize = DEF_REPLY_CHUNK_SIZE; - j_item = cJSON_GetObjectItem (json, "chunksize"); - if (!j_item) - ; - else if (!cjson_is_number (j_item)) - return gpg_error (GPG_ERR_INV_VALUE); - else if ((size_t)j_item->valueint < MIN_REPLY_CHUNK_SIZE) - *r_chunksize = MIN_REPLY_CHUNK_SIZE; - else if ((size_t)j_item->valueint > MAX_REPLY_CHUNK_SIZE) - *r_chunksize = MAX_REPLY_CHUNK_SIZE; - else - *r_chunksize = (size_t)j_item->valueint; - - return 0; -} - - -/* Extract the keys from the array or string with the name "name" - * in the JSON object. On success a string with the keys identifiers - * is stored at R_KEYS. - * The keys in that string are LF delimited. On failure an error code - * is returned. */ -static gpg_error_t -get_keys (cjson_t json, const char *name, char **r_keystring) -{ - cjson_t j_keys, j_item; - int i, nkeys; - char *p; - size_t length; - - *r_keystring = NULL; - - j_keys = cJSON_GetObjectItem (json, name); - if (!j_keys) - return gpg_error (GPG_ERR_NO_KEY); - if (!cjson_is_array (j_keys) && !cjson_is_string (j_keys)) - return gpg_error (GPG_ERR_INV_VALUE); - - /* Fixme: We should better use a membuf like thing. */ - length = 1; /* For the EOS. */ - if (cjson_is_string (j_keys)) - { - nkeys = 1; - length += strlen (j_keys->valuestring); - if (strchr (j_keys->valuestring, '\n')) - return gpg_error (GPG_ERR_INV_USER_ID); - } - else - { - nkeys = cJSON_GetArraySize (j_keys); - if (!nkeys) - return gpg_error (GPG_ERR_NO_KEY); - for (i=0; i < nkeys; i++) - { - j_item = cJSON_GetArrayItem (j_keys, i); - if (!j_item || !cjson_is_string (j_item)) - return gpg_error (GPG_ERR_INV_VALUE); - if (i) - length++; /* Space for delimiter. */ - length += strlen (j_item->valuestring); - if (strchr (j_item->valuestring, '\n')) - return gpg_error (GPG_ERR_INV_USER_ID); - } - } - - p = *r_keystring = xtrymalloc (length); - if (!p) - return gpg_error_from_syserror (); - - if (cjson_is_string (j_keys)) - { - strcpy (p, j_keys->valuestring); - } - else - { - for (i=0; i < nkeys; i++) - { - j_item = cJSON_GetArrayItem (j_keys, i); - if (i) - *p++ = '\n'; /* Add delimiter. */ - p = stpcpy (p, j_item->valuestring); - } - } - return 0; -} - - - - -/* - * GPGME support functions. - */ - -/* Helper for get_context. */ -static gpgme_ctx_t -_create_new_context (gpgme_protocol_t proto) -{ - gpg_error_t err; - gpgme_ctx_t ctx; - - err = gpgme_new (&ctx); - if (err) - log_fatal ("error creating GPGME context: %s\n", gpg_strerror (err)); - gpgme_set_protocol (ctx, proto); - gpgme_set_ctx_flag (ctx, "request-origin", "browser"); - return ctx; -} - - -/* Return a context object for protocol PROTO. This is currently a - * statically allocated context initialized for PROTO. Terminates - * process on failure. */ -static gpgme_ctx_t -get_context (gpgme_protocol_t proto) -{ - static gpgme_ctx_t ctx_openpgp, ctx_cms, ctx_conf; - - if (proto == GPGME_PROTOCOL_OpenPGP) - { - if (!ctx_openpgp) - ctx_openpgp = _create_new_context (proto); - return ctx_openpgp; - } - else if (proto == GPGME_PROTOCOL_CMS) - { - if (!ctx_cms) - ctx_cms = _create_new_context (proto); - return ctx_cms; - } - else if (proto == GPGME_PROTOCOL_GPGCONF) - { - if (!ctx_conf) - ctx_conf = _create_new_context (proto); - return ctx_conf; - } - else - log_bug ("invalid protocol %d requested\n", proto); -} - - -/* Free context object retrieved by get_context. */ -static void -release_context (gpgme_ctx_t ctx) -{ - /* Nothing to do right now. */ - (void)ctx; -} - - -/* Create an addition context for short operations. */ -static gpgme_ctx_t -create_onetime_context (gpgme_protocol_t proto) -{ - return _create_new_context (proto); - -} - - -/* Release a one-time context. */ -static void -release_onetime_context (gpgme_ctx_t ctx) -{ - return gpgme_release (ctx); - -} - - -/* Given a Base-64 encoded string object in JSON return a gpgme data - * object at R_DATA. */ -static gpg_error_t -data_from_base64_string (gpgme_data_t *r_data, cjson_t json) -{ - gpg_error_t err; - size_t len; - char *buf = NULL; - gpgrt_b64state_t state = NULL; - gpgme_data_t data = NULL; - - *r_data = NULL; - - /* A quick check on the JSON. */ - if (!cjson_is_string (json)) - { - err = gpg_error (GPG_ERR_INV_VALUE); - goto leave; - } - - state = gpgrt_b64dec_start (NULL); - if (!state) - { - err = gpg_err_code_from_syserror (); - goto leave; - } - - /* Fixme: Data duplication - we should see how to snatch the memory - * from the json object. */ - len = strlen (json->valuestring); - buf = xtrystrdup (json->valuestring); - if (!buf) - { - err = gpg_error_from_syserror (); - goto leave; - } - - err = gpgrt_b64dec_proc (state, buf, len, &len); - if (err) - goto leave; - - err = gpgrt_b64dec_finish (state); - state = NULL; - if (err) - goto leave; - - err = gpgme_data_new_from_mem (&data, buf, len, 1); - if (err) - goto leave; - *r_data = data; - data = NULL; - - leave: - xfree (data); - xfree (buf); - gpgrt_b64dec_finish (state); - return err; -} - - -/* Create a keylist pattern array from a json keys object - * in the request. Returns either a malloced NULL terminated - * string array which can be used as patterns for - * op_keylist_ext or NULL. */ -static char ** -create_keylist_patterns (cjson_t request, const char *name) -{ - char *keystring; - char *p; - char *tmp; - char **ret; - int cnt = 2; /* Last NULL and one is not newline delimited */ - int i = 0; - - if (get_keys (request, name, &keystring)) - return NULL; - - for (p = keystring; *p; p++) - if (*p == '\n') - cnt++; - - ret = xcalloc (cnt, sizeof *ret); - - for (p = keystring, tmp = keystring; *p; p++) - { - if (*p != '\n') - continue; - *p = '\0'; - ret[i++] = xstrdup (tmp); - tmp = p + 1; - } - /* The last key is not newline delimited. */ - ret[i] = *tmp ? xstrdup (tmp) : NULL; - - xfree (keystring); - return ret; -} - - -/* Do a secret keylisting for protocol proto and add the fingerprints of - the secret keys for patterns to the result as "sec-fprs" array. */ -static gpg_error_t -add_secret_fprs (const char **patterns, gpgme_protocol_t protocol, - cjson_t result) -{ - gpgme_ctx_t ctx; - gpg_error_t err; - gpgme_key_t key = NULL; - cjson_t j_fprs = xjson_CreateArray (); - - ctx = create_onetime_context (protocol); - - gpgme_set_keylist_mode (ctx, GPGME_KEYLIST_MODE_LOCAL | - GPGME_KEYLIST_MODE_WITH_SECRET); - - err = gpgme_op_keylist_ext_start (ctx, patterns, 1, 0); - - if (err) - { - gpg_error_object (result, err, "Error listing keys: %s", - gpg_strerror (err)); - goto leave; - } - - while (!(err = gpgme_op_keylist_next (ctx, &key))) - { - if (!key || !key->fpr) - continue; - cJSON_AddItemToArray (j_fprs, cJSON_CreateString (key->fpr)); - gpgme_key_unref (key); - key = NULL; - } - err = 0; - - release_onetime_context (ctx); - ctx = NULL; - - xjson_AddItemToObject (result, "sec-fprs", j_fprs); - -leave: - release_onetime_context (ctx); - gpgme_key_unref (key); - - return err; -} - - -/* Create sigsum json array */ -static cjson_t -sigsum_to_json (gpgme_sigsum_t summary) -{ - cjson_t result = xjson_CreateObject (); - cjson_t sigsum_array = xjson_CreateArray (); - - if ( (summary & GPGME_SIGSUM_VALID )) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("valid")); - if ( (summary & GPGME_SIGSUM_GREEN )) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("green")); - if ( (summary & GPGME_SIGSUM_RED )) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("red")); - if ( (summary & GPGME_SIGSUM_KEY_REVOKED)) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("revoked")); - if ( (summary & GPGME_SIGSUM_KEY_EXPIRED)) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("key-expired")); - if ( (summary & GPGME_SIGSUM_SIG_EXPIRED)) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("sig-expired")); - if ( (summary & GPGME_SIGSUM_KEY_MISSING)) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("key-missing")); - if ( (summary & GPGME_SIGSUM_CRL_MISSING)) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("crl-missing")); - if ( (summary & GPGME_SIGSUM_CRL_TOO_OLD)) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("crl-too-old")); - if ( (summary & GPGME_SIGSUM_BAD_POLICY )) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("bad-policy")); - if ( (summary & GPGME_SIGSUM_SYS_ERROR )) - cJSON_AddItemToArray (sigsum_array, - cJSON_CreateString ("sys-error")); - /* The signature summary as string array. */ - xjson_AddItemToObject (result, "sigsum", sigsum_array); - - /* Bools for the same. */ - xjson_AddBoolToObject (result, "valid", - (summary & GPGME_SIGSUM_VALID )); - xjson_AddBoolToObject (result, "green", - (summary & GPGME_SIGSUM_GREEN )); - xjson_AddBoolToObject (result, "red", - (summary & GPGME_SIGSUM_RED )); - xjson_AddBoolToObject (result, "revoked", - (summary & GPGME_SIGSUM_KEY_REVOKED)); - xjson_AddBoolToObject (result, "key-expired", - (summary & GPGME_SIGSUM_KEY_EXPIRED)); - xjson_AddBoolToObject (result, "sig-expired", - (summary & GPGME_SIGSUM_SIG_EXPIRED)); - xjson_AddBoolToObject (result, "key-missing", - (summary & GPGME_SIGSUM_KEY_MISSING)); - xjson_AddBoolToObject (result, "crl-missing", - (summary & GPGME_SIGSUM_CRL_MISSING)); - xjson_AddBoolToObject (result, "crl-too-old", - (summary & GPGME_SIGSUM_CRL_TOO_OLD)); - xjson_AddBoolToObject (result, "bad-policy", - (summary & GPGME_SIGSUM_BAD_POLICY )); - xjson_AddBoolToObject (result, "sys-error", - (summary & GPGME_SIGSUM_SYS_ERROR )); - - return result; -} - - -/* Helper for summary formatting */ -static const char * -validity_to_string (gpgme_validity_t val) -{ - switch (val) - { - case GPGME_VALIDITY_UNDEFINED:return "undefined"; - case GPGME_VALIDITY_NEVER: return "never"; - case GPGME_VALIDITY_MARGINAL: return "marginal"; - case GPGME_VALIDITY_FULL: return "full"; - case GPGME_VALIDITY_ULTIMATE: return "ultimate"; - case GPGME_VALIDITY_UNKNOWN: - default: return "unknown"; - } -} - -static const char * -protocol_to_string (gpgme_protocol_t proto) -{ - switch (proto) - { - case GPGME_PROTOCOL_OpenPGP: return "OpenPGP"; - case GPGME_PROTOCOL_CMS: return "CMS"; - case GPGME_PROTOCOL_GPGCONF: return "gpgconf"; - case GPGME_PROTOCOL_ASSUAN: return "assuan"; - case GPGME_PROTOCOL_G13: return "g13"; - case GPGME_PROTOCOL_UISERVER:return "uiserver"; - case GPGME_PROTOCOL_SPAWN: return "spawn"; - default: - return "unknown"; - } -} - -/* Create a sig_notation json object */ -static cjson_t -sig_notation_to_json (gpgme_sig_notation_t not) -{ - cjson_t result = xjson_CreateObject (); - xjson_AddBoolToObject (result, "human_readable", not->human_readable); - xjson_AddBoolToObject (result, "critical", not->critical); - - xjson_AddStringToObject0 (result, "name", not->name); - xjson_AddStringToObject0 (result, "value", not->value); - - xjson_AddNumberToObject (result, "flags", not->flags); - - return result; -} - -/* Create a key_sig json object */ -static cjson_t -key_sig_to_json (gpgme_key_sig_t sig) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddBoolToObject (result, "revoked", sig->revoked); - xjson_AddBoolToObject (result, "expired", sig->expired); - xjson_AddBoolToObject (result, "invalid", sig->invalid); - xjson_AddBoolToObject (result, "exportable", sig->exportable); - - xjson_AddStringToObject0 (result, "pubkey_algo_name", - gpgme_pubkey_algo_name (sig->pubkey_algo)); - xjson_AddStringToObject0 (result, "keyid", sig->keyid); - xjson_AddStringToObject0 (result, "status", gpgme_strerror (sig->status)); - xjson_AddStringToObject0 (result, "name", sig->name); - xjson_AddStringToObject0 (result, "email", sig->email); - xjson_AddStringToObject0 (result, "comment", sig->comment); - - xjson_AddNumberToObject (result, "pubkey_algo", sig->pubkey_algo); - xjson_AddNumberToObject (result, "timestamp", sig->timestamp); - xjson_AddNumberToObject (result, "expires", sig->expires); - xjson_AddNumberToObject (result, "status_code", sig->status); - xjson_AddNumberToObject (result, "sig_class", sig->sig_class); - - if (sig->notations) - { - gpgme_sig_notation_t not; - cjson_t array = xjson_CreateArray (); - for (not = sig->notations; not; not = not->next) - cJSON_AddItemToArray (array, sig_notation_to_json (not)); - xjson_AddItemToObject (result, "notations", array); - } - - return result; -} - -/* Create a tofu info object */ -static cjson_t -tofu_to_json (gpgme_tofu_info_t tofu) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddStringToObject0 (result, "description", tofu->description); - - xjson_AddNumberToObject (result, "validity", tofu->validity); - xjson_AddNumberToObject (result, "policy", tofu->policy); - xjson_AddNumberToObject (result, "signcount", tofu->signcount); - xjson_AddNumberToObject (result, "encrcount", tofu->encrcount); - xjson_AddNumberToObject (result, "signfirst", tofu->signfirst); - xjson_AddNumberToObject (result, "signlast", tofu->signlast); - xjson_AddNumberToObject (result, "encrfirst", tofu->encrfirst); - xjson_AddNumberToObject (result, "encrlast", tofu->encrlast); - - return result; -} - -/* Create a userid json object */ -static cjson_t -uid_to_json (gpgme_user_id_t uid) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddBoolToObject (result, "revoked", uid->revoked); - xjson_AddBoolToObject (result, "invalid", uid->invalid); - - xjson_AddStringToObject0 (result, "validity", - validity_to_string (uid->validity)); - xjson_AddStringToObject0 (result, "uid", uid->uid); - xjson_AddStringToObject0 (result, "name", uid->name); - xjson_AddStringToObject0 (result, "email", uid->email); - xjson_AddStringToObject0 (result, "comment", uid->comment); - xjson_AddStringToObject0 (result, "address", uid->address); - - xjson_AddNumberToObject (result, "origin", uid->origin); - xjson_AddNumberToObject (result, "last_update", uid->last_update); - - /* Key sigs */ - if (uid->signatures) - { - cjson_t sig_array = xjson_CreateArray (); - gpgme_key_sig_t sig; - - for (sig = uid->signatures; sig; sig = sig->next) - cJSON_AddItemToArray (sig_array, key_sig_to_json (sig)); - - xjson_AddItemToObject (result, "signatures", sig_array); - } - - /* TOFU info */ - if (uid->tofu) - { - gpgme_tofu_info_t tofu; - cjson_t array = xjson_CreateArray (); - for (tofu = uid->tofu; tofu; tofu = tofu->next) - cJSON_AddItemToArray (array, tofu_to_json (tofu)); - xjson_AddItemToObject (result, "tofu", array); - } - - return result; -} - -/* Create a subkey json object */ -static cjson_t -subkey_to_json (gpgme_subkey_t sub) -{ - cjson_t result = xjson_CreateObject (); - char *tmp; - - xjson_AddBoolToObject (result, "revoked", sub->revoked); - xjson_AddBoolToObject (result, "expired", sub->expired); - xjson_AddBoolToObject (result, "disabled", sub->disabled); - xjson_AddBoolToObject (result, "invalid", sub->invalid); - xjson_AddBoolToObject (result, "can_encrypt", sub->can_encrypt); - xjson_AddBoolToObject (result, "can_sign", sub->can_sign); - xjson_AddBoolToObject (result, "can_certify", sub->can_certify); - xjson_AddBoolToObject (result, "can_authenticate", sub->can_authenticate); - xjson_AddBoolToObject (result, "secret", sub->secret); - xjson_AddBoolToObject (result, "is_qualified", sub->is_qualified); - xjson_AddBoolToObject (result, "is_cardkey", sub->is_cardkey); - xjson_AddBoolToObject (result, "is_de_vs", sub->is_de_vs); - xjson_AddStringToObject0 (result, "pubkey_algo_name", - gpgme_pubkey_algo_name (sub->pubkey_algo)); - - tmp = gpgme_pubkey_algo_string (sub); - xjson_AddStringToObject0 (result, "pubkey_algo_string", tmp); - gpgme_free (tmp); - - xjson_AddStringToObject0 (result, "keyid", sub->keyid); - xjson_AddStringToObject0 (result, "card_number", sub->card_number); - xjson_AddStringToObject0 (result, "curve", sub->curve); - xjson_AddStringToObject0 (result, "keygrip", sub->keygrip); - - xjson_AddNumberToObject (result, "pubkey_algo", sub->pubkey_algo); - xjson_AddNumberToObject (result, "length", sub->length); - xjson_AddNumberToObject (result, "timestamp", sub->timestamp); - xjson_AddNumberToObject (result, "expires", sub->expires); - - return result; -} - -/* Create a revocation key json object */ -static cjson_t -revocation_key_to_json (gpgme_revocation_key_t revkey) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddBoolToObject (result, "sensitive", revkey->sensitive); - - xjson_AddStringToObject0 (result, "fingerprint", revkey->fpr); - xjson_AddStringToObject0 (result, "pubkey_algo_name", - gpgme_pubkey_algo_name (revkey->pubkey_algo)); - - xjson_AddNumberToObject (result, "pubkey_algo", revkey->pubkey_algo); - xjson_AddNumberToObject (result, "key_class", revkey->key_class); - - return result; -} - -/* Create a key json object */ -static cjson_t -key_to_json (gpgme_key_t key) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddBoolToObject (result, "revoked", key->revoked); - xjson_AddBoolToObject (result, "expired", key->expired); - xjson_AddBoolToObject (result, "disabled", key->disabled); - xjson_AddBoolToObject (result, "invalid", key->invalid); - xjson_AddBoolToObject (result, "can_encrypt", key->can_encrypt); - xjson_AddBoolToObject (result, "can_sign", key->can_sign); - xjson_AddBoolToObject (result, "can_certify", key->can_certify); - xjson_AddBoolToObject (result, "can_authenticate", key->can_authenticate); - xjson_AddBoolToObject (result, "secret", key->secret); - xjson_AddBoolToObject (result, "is_qualified", key->is_qualified); - - xjson_AddStringToObject0 (result, "protocol", - protocol_to_string (key->protocol)); - xjson_AddStringToObject0 (result, "issuer_serial", key->issuer_serial); - xjson_AddStringToObject0 (result, "issuer_name", key->issuer_name); - xjson_AddStringToObject0 (result, "fingerprint", key->fpr); - xjson_AddStringToObject0 (result, "chain_id", key->chain_id); - xjson_AddStringToObject0 (result, "owner_trust", - validity_to_string (key->owner_trust)); - - xjson_AddNumberToObject (result, "origin", key->origin); - xjson_AddNumberToObject (result, "last_update", key->last_update); - - /* Add subkeys */ - if (key->subkeys) - { - cjson_t subkey_array = xjson_CreateArray (); - gpgme_subkey_t sub; - for (sub = key->subkeys; sub; sub = sub->next) - cJSON_AddItemToArray (subkey_array, subkey_to_json (sub)); - - xjson_AddItemToObject (result, "subkeys", subkey_array); - } - - /* User Ids */ - if (key->uids) - { - cjson_t uid_array = xjson_CreateArray (); - gpgme_user_id_t uid; - for (uid = key->uids; uid; uid = uid->next) - cJSON_AddItemToArray (uid_array, uid_to_json (uid)); - - xjson_AddItemToObject (result, "userids", uid_array); - } - - /* Revocation keys */ - if (key->revocation_keys) - { - gpgme_revocation_key_t revkey; - cjson_t array = xjson_CreateArray (); - for (revkey = key->revocation_keys; revkey; revkey = revkey->next) - cJSON_AddItemToArray (array, revocation_key_to_json (revkey)); - xjson_AddItemToObject (result, "revocation_keys", array); - } - - return result; -} - - -/* Create a signature json object */ -static cjson_t -signature_to_json (gpgme_signature_t sig) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddItemToObject (result, "summary", sigsum_to_json (sig->summary)); - - xjson_AddBoolToObject (result, "wrong_key_usage", sig->wrong_key_usage); - xjson_AddBoolToObject (result, "chain_model", sig->chain_model); - xjson_AddBoolToObject (result, "is_de_vs", sig->is_de_vs); - - xjson_AddStringToObject0 (result, "status_string", - gpgme_strerror (sig->status)); - xjson_AddStringToObject0 (result, "fingerprint", sig->fpr); - xjson_AddStringToObject0 (result, "validity_string", - validity_to_string (sig->validity)); - xjson_AddStringToObject0 (result, "pubkey_algo_name", - gpgme_pubkey_algo_name (sig->pubkey_algo)); - xjson_AddStringToObject0 (result, "hash_algo_name", - gpgme_hash_algo_name (sig->hash_algo)); - xjson_AddStringToObject0 (result, "pka_address", sig->pka_address); - - xjson_AddNumberToObject (result, "status_code", sig->status); - xjson_AddNumberToObject (result, "timestamp", sig->timestamp); - xjson_AddNumberToObject (result, "exp_timestamp", sig->exp_timestamp); - xjson_AddNumberToObject (result, "pka_trust", sig->pka_trust); - xjson_AddNumberToObject (result, "validity", sig->validity); - xjson_AddNumberToObject (result, "validity_reason", sig->validity_reason); - - if (sig->notations) - { - gpgme_sig_notation_t not; - cjson_t array = xjson_CreateArray (); - for (not = sig->notations; not; not = not->next) - cJSON_AddItemToArray (array, sig_notation_to_json (not)); - xjson_AddItemToObject (result, "notations", array); - } - - return result; -} - - -/* Create a JSON object from a gpgme_verify result */ -static cjson_t -verify_result_to_json (gpgme_verify_result_t verify_result) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddBoolToObject (result, "is_mime", verify_result->is_mime); - - if (verify_result->signatures) - { - cjson_t array = xjson_CreateArray (); - gpgme_signature_t sig; - - for (sig = verify_result->signatures; sig; sig = sig->next) - cJSON_AddItemToArray (array, signature_to_json (sig)); - xjson_AddItemToObject (result, "signatures", array); - } - - return result; -} - -/* Create a recipient json object */ -static cjson_t -recipient_to_json (gpgme_recipient_t recp) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddStringToObject0 (result, "keyid", recp->keyid); - xjson_AddStringToObject0 (result, "pubkey_algo_name", - gpgme_pubkey_algo_name (recp->pubkey_algo)); - xjson_AddStringToObject0 (result, "status_string", - gpgme_strerror (recp->status)); - - xjson_AddNumberToObject (result, "status_code", recp->status); - - return result; -} - - -/* Create a JSON object from a gpgme_decrypt result */ -static cjson_t -decrypt_result_to_json (gpgme_decrypt_result_t decrypt_result) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddStringToObject0 (result, "file_name", decrypt_result->file_name); - xjson_AddStringToObject0 (result, "symkey_algo", - decrypt_result->symkey_algo); - - xjson_AddBoolToObject (result, "wrong_key_usage", - decrypt_result->wrong_key_usage); - xjson_AddBoolToObject (result, "is_de_vs", - decrypt_result->is_de_vs); - xjson_AddBoolToObject (result, "is_mime", decrypt_result->is_mime); - xjson_AddBoolToObject (result, "legacy_cipher_nomdc", - decrypt_result->legacy_cipher_nomdc); - - if (decrypt_result->recipients) - { - cjson_t array = xjson_CreateArray (); - gpgme_recipient_t recp; - - for (recp = decrypt_result->recipients; recp; recp = recp->next) - cJSON_AddItemToArray (array, recipient_to_json (recp)); - xjson_AddItemToObject (result, "recipients", array); - } - - return result; -} - - -/* Create a JSON object from an engine_info */ -static cjson_t -engine_info_to_json (gpgme_engine_info_t info) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddStringToObject0 (result, "protocol", - protocol_to_string (info->protocol)); - xjson_AddStringToObject0 (result, "fname", info->file_name); - xjson_AddStringToObject0 (result, "version", info->version); - xjson_AddStringToObject0 (result, "req_version", info->req_version); - xjson_AddStringToObject0 (result, "homedir", info->home_dir ? - info->home_dir : - "default"); - return result; -} - - -/* Create a JSON object from an import_status */ -static cjson_t -import_status_to_json (gpgme_import_status_t sts) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddStringToObject0 (result, "fingerprint", sts->fpr); - xjson_AddStringToObject0 (result, "error_string", - gpgme_strerror (sts->result)); - - xjson_AddNumberToObject (result, "status", sts->status); - - return result; -} - -/* Create a JSON object from an import result */ -static cjson_t -import_result_to_json (gpgme_import_result_t imp) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddNumberToObject (result, "considered", imp->considered); - xjson_AddNumberToObject (result, "no_user_id", imp->no_user_id); - xjson_AddNumberToObject (result, "imported", imp->imported); - xjson_AddNumberToObject (result, "imported_rsa", imp->imported_rsa); - xjson_AddNumberToObject (result, "unchanged", imp->unchanged); - xjson_AddNumberToObject (result, "new_user_ids", imp->new_user_ids); - xjson_AddNumberToObject (result, "new_sub_keys", imp->new_sub_keys); - xjson_AddNumberToObject (result, "new_signatures", imp->new_signatures); - xjson_AddNumberToObject (result, "new_revocations", imp->new_revocations); - xjson_AddNumberToObject (result, "secret_read", imp->secret_read); - xjson_AddNumberToObject (result, "secret_imported", imp->secret_imported); - xjson_AddNumberToObject (result, "secret_unchanged", imp->secret_unchanged); - xjson_AddNumberToObject (result, "skipped_new_keys", imp->skipped_new_keys); - xjson_AddNumberToObject (result, "not_imported", imp->not_imported); - xjson_AddNumberToObject (result, "skipped_v3_keys", imp->skipped_v3_keys); - - - if (imp->imports) - { - cjson_t array = xjson_CreateArray (); - gpgme_import_status_t status; - - for (status = imp->imports; status; status = status->next) - cJSON_AddItemToArray (array, import_status_to_json (status)); - xjson_AddItemToObject (result, "imports", array); - } - - return result; -} - - -/* Create a JSON object from a gpgconf arg */ -static cjson_t -conf_arg_to_json (gpgme_conf_arg_t arg, gpgme_conf_type_t type) -{ - cjson_t result = xjson_CreateObject (); - int is_none = 0; - switch (type) - { - case GPGME_CONF_STRING: - case GPGME_CONF_PATHNAME: - case GPGME_CONF_LDAP_SERVER: - case GPGME_CONF_KEY_FPR: - case GPGME_CONF_PUB_KEY: - case GPGME_CONF_SEC_KEY: - case GPGME_CONF_ALIAS_LIST: - xjson_AddStringToObject0 (result, "string", arg->value.string); - break; - - case GPGME_CONF_UINT32: - xjson_AddNumberToObject (result, "number", arg->value.uint32); - break; - - case GPGME_CONF_INT32: - xjson_AddNumberToObject (result, "number", arg->value.int32); - break; - - case GPGME_CONF_NONE: - default: - is_none = 1; - break; - } - xjson_AddBoolToObject (result, "is_none", is_none); - return result; -} - - -/* Create a JSON object from a gpgconf option */ -static cjson_t -conf_opt_to_json (gpgme_conf_opt_t opt) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddStringToObject0 (result, "name", opt->name); - xjson_AddStringToObject0 (result, "description", opt->description); - xjson_AddStringToObject0 (result, "argname", opt->argname); - xjson_AddStringToObject0 (result, "default_description", - opt->default_description); - xjson_AddStringToObject0 (result, "no_arg_description", - opt->no_arg_description); - - xjson_AddNumberToObject (result, "flags", opt->flags); - xjson_AddNumberToObject (result, "level", opt->level); - xjson_AddNumberToObject (result, "type", opt->type); - xjson_AddNumberToObject (result, "alt_type", opt->alt_type); - - if (opt->default_value) - { - cjson_t array = xjson_CreateArray (); - gpgme_conf_arg_t arg; - - for (arg = opt->default_value; arg; arg = arg->next) - cJSON_AddItemToArray (array, conf_arg_to_json (arg, opt->alt_type)); - xjson_AddItemToObject (result, "default_value", array); - } - - if (opt->no_arg_value) - { - cjson_t array = xjson_CreateArray (); - gpgme_conf_arg_t arg; - - for (arg = opt->no_arg_value; arg; arg = arg->next) - cJSON_AddItemToArray (array, conf_arg_to_json (arg, opt->alt_type)); - xjson_AddItemToObject (result, "no_arg_value", array); - } - - if (opt->value) - { - cjson_t array = xjson_CreateArray (); - gpgme_conf_arg_t arg; - - for (arg = opt->value; arg; arg = arg->next) - cJSON_AddItemToArray (array, conf_arg_to_json (arg, opt->alt_type)); - xjson_AddItemToObject (result, "value", array); - } - return result; -} - - -/* Create a JSON object from a gpgconf component*/ -static cjson_t -conf_comp_to_json (gpgme_conf_comp_t cmp) -{ - cjson_t result = xjson_CreateObject (); - - xjson_AddStringToObject0 (result, "name", cmp->name); - xjson_AddStringToObject0 (result, "description", cmp->description); - xjson_AddStringToObject0 (result, "program_name", cmp->program_name); - - - if (cmp->options) - { - cjson_t array = xjson_CreateArray (); - gpgme_conf_opt_t opt; - - for (opt = cmp->options; opt; opt = opt->next) - cJSON_AddItemToArray (array, conf_opt_to_json (opt)); - xjson_AddItemToObject (result, "options", array); - } - - return result; -} - - -/* Create a gpgme_data from json string data named "name" - * in the request. Takes the base64 option into account. - * - * Adds an error to the "result" on error. */ -static gpg_error_t -get_string_data (cjson_t request, cjson_t result, const char *name, - gpgme_data_t *r_data) -{ - gpgme_error_t err; - int opt_base64; - cjson_t j_data; - - if ((err = get_boolean_flag (request, "base64", 0, &opt_base64))) - return err; - - /* Get the data. Note that INPUT is a shallow data object with the - * storage hold in REQUEST. */ - j_data = cJSON_GetObjectItem (request, name); - if (!j_data) - { - return gpg_error (GPG_ERR_NO_DATA); - } - if (!cjson_is_string (j_data)) - { - return gpg_error (GPG_ERR_INV_VALUE); - } - if (opt_base64) - { - err = data_from_base64_string (r_data, j_data); - if (err) - { - gpg_error_object (result, err, - "Error decoding Base-64 encoded '%s': %s", - name, gpg_strerror (err)); - return err; - } - } - else - { - err = gpgme_data_new_from_mem (r_data, j_data->valuestring, - strlen (j_data->valuestring), 0); - if (err) - { - gpg_error_object (result, err, "Error getting '%s': %s", - name, gpg_strerror (err)); - return err; - } - } - return 0; -} - - -/* Create a "data" object and the "type" and "base64" flags - * from DATA and append them to RESULT. Ownership of DATA is - * transferred to this function. TYPE must be a fixed string. - * If BASE64 is -1 the need for base64 encoding is determined - * by the content of DATA, all other values are taken as true - * or false. */ -static gpg_error_t -make_data_object (cjson_t result, gpgme_data_t data, - const char *type, int base64) -{ - gpg_error_t err; - char *buffer; - const char *s; - size_t buflen, n; - - if (!base64 || base64 == -1) /* Make sure that we really have a string. */ - gpgme_data_write (data, "", 1); - - buffer = gpgme_data_release_and_get_mem (data, &buflen); - data = NULL; - if (!buffer) - { - err = gpg_error_from_syserror (); - goto leave; - } - - if (base64 == -1) - { - base64 = 0; - if (!buflen) - log_fatal ("Appended Nul byte got lost\n"); - /* Figure out if there is any Nul octet in the buffer. In that - * case we need to Base-64 the buffer. Due to problems with the - * browser's Javascript we use Base-64 also in case an UTF-8 - * character is in the buffer. This is because the chunking may - * split an UTF-8 characters and JS can't handle this. */ - for (s=buffer, n=0; n < buflen -1; s++, n++) - if (!*s || (*s & 0x80)) - { - buflen--; /* Adjust for the extra nul byte. */ - base64 = 1; - break; - } - } - - xjson_AddStringToObject (result, "type", type); - xjson_AddBoolToObject (result, "base64", base64); - if (base64) - err = add_base64_to_object (result, "data", buffer, buflen); - else - err = cjson_AddStringToObject (result, "data", buffer); - - leave: - gpgme_free (buffer); - return err; -} - - -/* Encode and chunk response. - * - * If necessary this base64 encodes and chunks the response - * for getmore so that we always return valid json independent - * of the chunksize. - * - * A chunked response contains the base64 encoded chunk - * as a string and a boolean if there is still more data - * available for getmore like: - * { - * chunk: "SGVsbG8gV29ybGQK" - * more: true - * } - * - * Chunking is only done if the response is larger then the - * chunksize. - * - * caller has to xfree the return value. - */ -static char * -encode_and_chunk (cjson_t request, cjson_t response) -{ - char *data; - gpg_error_t err = 0; - size_t chunksize = 0; - char *getmore_request = NULL; - - if (opt_interactive) - data = cJSON_Print (response); - else - data = cJSON_PrintUnformatted (response); - - if (!data) - { - err = GPG_ERR_NO_DATA; - goto leave; - } - - if (!request) - { - goto leave; - } - - if ((err = get_chunksize (request, &chunksize))) - { - err = GPG_ERR_INV_VALUE; - goto leave; - } - - if (!chunksize) - goto leave; - - pending_data.buffer = data; - /* Data should already be encoded so that it does not - contain 0.*/ - pending_data.length = strlen (data); - pending_data.written = 0; - - if (gpgrt_asprintf (&getmore_request, - "{ \"op\":\"getmore\", \"chunksize\": %i }", - (int) chunksize) == -1) - { - err = gpg_error_from_syserror (); - goto leave; - } - - data = process_request (getmore_request); - -leave: - xfree (getmore_request); - - if (!err && !data) - { - err = GPG_ERR_GENERAL; - } - - if (err) - { - cjson_t err_obj = gpg_error_object (NULL, err, - "Encode and chunk failed: %s", - gpgme_strerror (err)); - xfree (data); - if (opt_interactive) - data = cJSON_Print (err_obj); - data = cJSON_PrintUnformatted (err_obj); - - cJSON_Delete (err_obj); - } - - return data; -} - - - -/* - * Implementation of the commands. - */ -static const char hlp_encrypt[] = - "op: \"encrypt\"\n" - "keys: Array of strings with the fingerprints or user-ids\n" - " of the keys to encrypt the data. For a single key\n" - " a String may be used instead of an array.\n" - "data: Input data. \n" - "\n" - "Optional parameters:\n" - "protocol: Either \"openpgp\" (default) or \"cms\".\n" - "signing_keys: Similar to the keys parameter for added signing.\n" - " (openpgp only)" - "file_name: The file name associated with the data.\n" - "sender: Sender info to embed in a signature.\n" - "\n" - "Optional boolean flags (default is false):\n" - "base64: Input data is base64 encoded.\n" - "mime: Indicate that data is a MIME object.\n" - "armor: Request output in armored format.\n" - "always-trust: Request --always-trust option.\n" - "no-encrypt-to: Do not use a default recipient.\n" - "no-compress: Do not compress the plaintext first.\n" - "throw-keyids: Request the --throw-keyids option.\n" - "want-address: Require that the keys include a mail address.\n" - "wrap: Assume the input is an OpenPGP message.\n" - "\n" - "Response on success:\n" - "type: \"ciphertext\"\n" - "data: Unless armor mode is used a Base64 encoded binary\n" - " ciphertext. In armor mode a string with an armored\n" - " OpenPGP or a PEM message.\n" - "base64: Boolean indicating whether data is base64 encoded."; -static gpg_error_t -op_encrypt (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_protocol_t protocol; - char **signing_patterns = NULL; - int opt_mime; - char *keystring = NULL; - char *file_name = NULL; - gpgme_data_t input = NULL; - gpgme_data_t output = NULL; - int abool; - gpgme_encrypt_flags_t encrypt_flags = 0; - gpgme_ctx_t keylist_ctx = NULL; - gpgme_key_t key = NULL; - cjson_t j_tmp = NULL; - - if ((err = get_protocol (request, &protocol))) - goto leave; - ctx = get_context (protocol); - - if ((err = get_boolean_flag (request, "mime", 0, &opt_mime))) - goto leave; - - if ((err = get_boolean_flag (request, "armor", 0, &abool))) - goto leave; - gpgme_set_armor (ctx, abool); - if ((err = get_boolean_flag (request, "always-trust", 0, &abool))) - goto leave; - if (abool) - encrypt_flags |= GPGME_ENCRYPT_ALWAYS_TRUST; - if ((err = get_boolean_flag (request, "no-encrypt-to", 0,&abool))) - goto leave; - if (abool) - encrypt_flags |= GPGME_ENCRYPT_NO_ENCRYPT_TO; - if ((err = get_boolean_flag (request, "no-compress", 0, &abool))) - goto leave; - if (abool) - encrypt_flags |= GPGME_ENCRYPT_NO_COMPRESS; - if ((err = get_boolean_flag (request, "throw-keyids", 0, &abool))) - goto leave; - if (abool) - encrypt_flags |= GPGME_ENCRYPT_THROW_KEYIDS; - if ((err = get_boolean_flag (request, "wrap", 0, &abool))) - goto leave; - if (abool) - encrypt_flags |= GPGME_ENCRYPT_WRAP; - if ((err = get_boolean_flag (request, "want-address", 0, &abool))) - goto leave; - if (abool) - encrypt_flags |= GPGME_ENCRYPT_WANT_ADDRESS; - - j_tmp = cJSON_GetObjectItem (request, "file_name"); - if (j_tmp && cjson_is_string (j_tmp)) - { - file_name = j_tmp->valuestring; - } - - j_tmp = cJSON_GetObjectItem (request, "sender"); - if (j_tmp && cjson_is_string (j_tmp)) - { - gpgme_set_sender (ctx, j_tmp->valuestring); - } - - /* Get the keys. */ - err = get_keys (request, "keys", &keystring); - if (err) - { - /* Provide a custom error response. */ - gpg_error_object (result, err, "Error getting keys: %s", - gpg_strerror (err)); - goto leave; - } - - /* Do we have signing keys ? */ - signing_patterns = create_keylist_patterns (request, "signing_keys"); - if (signing_patterns) - { - keylist_ctx = create_onetime_context (protocol); - gpgme_set_keylist_mode (keylist_ctx, GPGME_KEYLIST_MODE_LOCAL); - - err = gpgme_op_keylist_ext_start (keylist_ctx, - (const char **) signing_patterns, - 1, 0); - if (err) - { - gpg_error_object (result, err, "Error listing keys: %s", - gpg_strerror (err)); - goto leave; - } - while (!(err = gpgme_op_keylist_next (keylist_ctx, &key))) - { - if ((err = gpgme_signers_add (ctx, key))) - { - gpg_error_object (result, err, "Error adding signer: %s", - gpg_strerror (err)); - goto leave; - } - gpgme_key_unref (key); - key = NULL; - } - release_onetime_context (keylist_ctx); - keylist_ctx = NULL; - } - - if ((err = get_string_data (request, result, "data", &input))) - goto leave; - - if (opt_mime) - gpgme_data_set_encoding (input, GPGME_DATA_ENCODING_MIME); - - if (file_name) - { - gpgme_data_set_file_name (input, file_name); - } - - /* Create an output data object. */ - err = gpgme_data_new (&output); - if (err) - { - gpg_error_object (result, err, "Error creating output data object: %s", - gpg_strerror (err)); - goto leave; - } - - /* Encrypt. */ - if (!signing_patterns) - { - err = gpgme_op_encrypt_ext (ctx, NULL, keystring, encrypt_flags, - input, output); - } - else - { - err = gpgme_op_encrypt_sign_ext (ctx, NULL, keystring, encrypt_flags, - input, output); - - } - /* encrypt_result = gpgme_op_encrypt_result (ctx); */ - if (err) - { - gpg_error_object (result, err, "Encryption failed: %s", - gpg_strerror (err)); - goto leave; - } - gpgme_data_release (input); - input = NULL; - - /* We need to base64 if armoring has not been requested. */ - err = make_data_object (result, output, - "ciphertext", !gpgme_get_armor (ctx)); - output = NULL; - - leave: - xfree_array (signing_patterns); - xfree (keystring); - release_onetime_context (keylist_ctx); - /* Reset sender in case the context is reused */ - gpgme_set_sender (ctx, NULL); - gpgme_key_unref (key); - gpgme_signers_clear (ctx); - release_context (ctx); - gpgme_data_release (input); - gpgme_data_release (output); - return err; -} - - - -static const char hlp_decrypt[] = - "op: \"decrypt\"\n" - "data: The encrypted data.\n" - "\n" - "Optional parameters:\n" - "protocol: Either \"openpgp\" (default) or \"cms\".\n" - "\n" - "Optional boolean flags (default is false):\n" - "base64: Input data is base64 encoded.\n" - "\n" - "Response on success:\n" - "type: \"plaintext\"\n" - "data: The decrypted data. This may be base64 encoded.\n" - "base64: Boolean indicating whether data is base64 encoded.\n" - "mime: deprecated - use dec_info is_mime instead\n" - "dec_info: An object with decryption information. (gpgme_decrypt_result_t)\n" - " Boolean values:\n" - " wrong_key_usage: Key should not have been used for encryption.\n" - " is_de_vs: Message was encrypted in compliance to the de-vs\n" - " mode.\n" - " is_mime: Message claims that the content is a MIME Message.\n" - " legacy_cipher_nomdc: The message was made by a legacy algorithm\n" - " without integrity protection.\n" - " String values:\n" - " file_name: The filename contained in the decrypt result.\n" - " symkey_algo: A string with the symmetric encryption algorithm and\n" - " mode using the format \"<algo>.<mode>\".\n" - " Array values:\n" - " recipients: The list of recipients (gpgme_recipient_t).\n" - " String values:\n" - " keyid: The keyid of the recipient.\n" - " pubkey_algo_name: gpgme_pubkey_algo_name of used algo.\n" - " status_string: The status code as localized gpg-error string\n" - " Number values:\n" - " status_code: The status as a number. (gpg_error_t)\n" - "info: Optional an object with verification information.\n" - " (gpgme_verify_result_t)\n" - " file_name: The filename contained in the verify result.\n" - " is_mime: The is_mime info contained in the verify result.\n" - " signatures: Array of signatures\n" - " summary: Object containing summary information.\n" - " Boolean values: (Check gpgme_sigsum_t doc for meaning)\n" - " valid\n" - " green\n" - " red\n" - " revoked\n" - " key-expired\n" - " sig-expired\n" - " key-missing\n" - " crl-missing\n" - " crl-too-old\n" - " bad-policy\n" - " sys-error\n" - " sigsum: Array of strings representing the sigsum.\n" - " Boolean values:\n" - " wrong_key_usage: Key should not have been used for signing.\n" - " chain_model: Validity has been verified using the chain model.\n" - " is_de_vs: signature is in compliance to the de-vs mode.\n" - " String values:\n" - " status_string: The status code as localized gpg-error string\n" - " fingerprint: The fingerprint of the signing key.\n" - " validity_string: The validity as string.\n" - " pubkey_algo_name: gpgme_pubkey_algo_name of used algo.\n" - " hash_algo_name: gpgme_hash_algo_name of used hash algo\n" - " pka_address: The mailbox from the PKA information.\n" - " Number values:\n" - " status_code: The status as a number. (gpg_error_t)\n" - " timestamp: Signature creation time. (secs since epoch)\n" - " exp_timestamp: Signature expiration or 0. (secs since epoch)\n" - " pka_trust: PKA status: 0 = not available, 1 = bad, 2 = okay, 3 = RFU.\n" - " validity: validity as number (gpgme_validity_t)\n" - " validity_reason: (gpg_error_t)\n" - " Array values:\n" - " notations: Notation data and policy urls (gpgme_sig_notation_t)\n" - " Boolean values:\n" - " human_readable\n" - " critical\n" - " String values:\n" - " name\n" - " value\n" - " Number values:\n" - " flags\n"; -static gpg_error_t -op_decrypt (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_protocol_t protocol; - gpgme_data_t input = NULL; - gpgme_data_t output = NULL; - gpgme_decrypt_result_t decrypt_result; - gpgme_verify_result_t verify_result; - - if ((err = get_protocol (request, &protocol))) - goto leave; - ctx = get_context (protocol); - - if ((err = get_string_data (request, result, "data", &input))) - goto leave; - - /* Create an output data object. */ - err = gpgme_data_new (&output); - if (err) - { - gpg_error_object (result, err, - "Error creating output data object: %s", - gpg_strerror (err)); - goto leave; - } - - /* Decrypt. */ - err = gpgme_op_decrypt_ext (ctx, GPGME_DECRYPT_VERIFY, - input, output); - decrypt_result = gpgme_op_decrypt_result (ctx); - if (err) - { - gpg_error_object (result, err, "Decryption failed: %s", - gpg_strerror (err)); - goto leave; - } - gpgme_data_release (input); - input = NULL; - - if (decrypt_result->is_mime) - xjson_AddBoolToObject (result, "mime", 1); - - xjson_AddItemToObject (result, "dec_info", - decrypt_result_to_json (decrypt_result)); - - verify_result = gpgme_op_verify_result (ctx); - if (verify_result && verify_result->signatures) - { - xjson_AddItemToObject (result, "info", - verify_result_to_json (verify_result)); - } - - err = make_data_object (result, output, "plaintext", -1); - output = NULL; - - if (err) - { - gpg_error_object (result, err, "Plaintext output failed: %s", - gpg_strerror (err)); - goto leave; - } - - leave: - release_context (ctx); - gpgme_data_release (input); - gpgme_data_release (output); - return err; -} - - - -static const char hlp_sign[] = - "op: \"sign\"\n" - "keys: Array of strings with the fingerprints of the signing key.\n" - " For a single key a String may be used instead of an array.\n" - "data: Input data. \n" - "\n" - "Optional parameters:\n" - "protocol: Either \"openpgp\" (default) or \"cms\".\n" - "sender: The mail address of the sender.\n" - "mode: A string with the signing mode can be:\n" - " detached (default)\n" - " opaque\n" - " clearsign\n" - "\n" - "Optional boolean flags (default is false):\n" - "base64: Input data is base64 encoded.\n" - "armor: Request output in armored format.\n" - "\n" - "Response on success:\n" - "type: \"signature\"\n" - "data: Unless armor mode is used a Base64 encoded binary\n" - " signature. In armor mode a string with an armored\n" - " OpenPGP or a PEM message.\n" - "base64: Boolean indicating whether data is base64 encoded.\n"; -static gpg_error_t -op_sign (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_protocol_t protocol; - char **patterns = NULL; - gpgme_data_t input = NULL; - gpgme_data_t output = NULL; - int abool; - cjson_t j_tmp; - gpgme_sig_mode_t mode = GPGME_SIG_MODE_DETACH; - gpgme_ctx_t keylist_ctx = NULL; - gpgme_key_t key = NULL; - - if ((err = get_protocol (request, &protocol))) - goto leave; - ctx = get_context (protocol); - - if ((err = get_boolean_flag (request, "armor", 0, &abool))) - goto leave; - gpgme_set_armor (ctx, abool); - - j_tmp = cJSON_GetObjectItem (request, "mode"); - if (j_tmp && cjson_is_string (j_tmp)) - { - if (!strcmp (j_tmp->valuestring, "opaque")) - { - mode = GPGME_SIG_MODE_NORMAL; - } - else if (!strcmp (j_tmp->valuestring, "clearsign")) - { - mode = GPGME_SIG_MODE_CLEAR; - } - } - - j_tmp = cJSON_GetObjectItem (request, "sender"); - if (j_tmp && cjson_is_string (j_tmp)) - { - gpgme_set_sender (ctx, j_tmp->valuestring); - } - - patterns = create_keylist_patterns (request, "keys"); - if (!patterns) - { - gpg_error_object (result, err, "Error getting keys: %s", - gpg_strerror (gpg_error (GPG_ERR_NO_KEY))); - goto leave; - } - - /* Do a keylisting and add the keys */ - keylist_ctx = create_onetime_context (protocol); - gpgme_set_keylist_mode (keylist_ctx, GPGME_KEYLIST_MODE_LOCAL); - - err = gpgme_op_keylist_ext_start (keylist_ctx, - (const char **) patterns, 1, 0); - if (err) - { - gpg_error_object (result, err, "Error listing keys: %s", - gpg_strerror (err)); - goto leave; - } - while (!(err = gpgme_op_keylist_next (keylist_ctx, &key))) - { - if ((err = gpgme_signers_add (ctx, key))) - { - gpg_error_object (result, err, "Error adding signer: %s", - gpg_strerror (err)); - goto leave; - } - gpgme_key_unref (key); - key = NULL; - } - - if ((err = get_string_data (request, result, "data", &input))) - goto leave; - - /* Create an output data object. */ - err = gpgme_data_new (&output); - if (err) - { - gpg_error_object (result, err, "Error creating output data object: %s", - gpg_strerror (err)); - goto leave; - } - - /* Sign. */ - err = gpgme_op_sign (ctx, input, output, mode); - if (err) - { - gpg_error_object (result, err, "Signing failed: %s", - gpg_strerror (err)); - goto leave; - } - - gpgme_data_release (input); - input = NULL; - - /* We need to base64 if armoring has not been requested. */ - err = make_data_object (result, output, - "signature", !gpgme_get_armor (ctx)); - output = NULL; - - leave: - xfree_array (patterns); - gpgme_signers_clear (ctx); - gpgme_key_unref (key); - release_onetime_context (keylist_ctx); - release_context (ctx); - gpgme_data_release (input); - gpgme_data_release (output); - return err; -} - - - -static const char hlp_verify[] = - "op: \"verify\"\n" - "data: The data to verify.\n" - "\n" - "Optional parameters:\n" - "protocol: Either \"openpgp\" (default) or \"cms\".\n" - "signature: A detached signature. If missing opaque is assumed.\n" - "\n" - "Optional boolean flags (default is false):\n" - "base64: Input data is base64 encoded.\n" - "\n" - "Response on success:\n" - "type: \"plaintext\"\n" - "data: The verified data. This may be base64 encoded.\n" - "base64: Boolean indicating whether data is base64 encoded.\n" - "info: An object with verification information (gpgme_verify_result_t).\n" - " is_mime: Boolean that is true if the messages claims it is MIME.\n" - " Note that this flag is not covered by the signature.)\n" - " signatures: Array of signatures\n" - " summary: Object containing summary information.\n" - " Boolean values: (Check gpgme_sigsum_t doc for meaning)\n" - " valid\n" - " green\n" - " red\n" - " revoked\n" - " key-expired\n" - " sig-expired\n" - " key-missing\n" - " crl-missing\n" - " crl-too-old\n" - " bad-policy\n" - " sys-error\n" - " sigsum: Array of strings representing the sigsum.\n" - " Boolean values:\n" - " wrong_key_usage: Key should not have been used for signing.\n" - " chain_model: Validity has been verified using the chain model.\n" - " is_de_vs: signature is in compliance to the de-vs mode.\n" - " String values:\n" - " status_string: The status code as localized gpg-error string\n" - " fingerprint: The fingerprint of the signing key.\n" - " validity_string: The validity as string.\n" - " pubkey_algo_name: gpgme_pubkey_algo_name of used algo.\n" - " hash_algo_name: gpgme_hash_algo_name of used hash algo\n" - " pka_address: The mailbox from the PKA information.\n" - " Number values:\n" - " status_code: The status as a number. (gpg_error_t)\n" - " timestamp: Signature creation time. (secs since epoch)\n" - " exp_timestamp: Signature expiration or 0. (secs since epoch)\n" - " pka_trust: PKA status: 0 = not available, 1 = bad, 2 = okay, 3 = RFU.\n" - " validity: validity as number (gpgme_validity_t)\n" - " validity_reason: (gpg_error_t)\n" - " Array values:\n" - " notations: Notation data and policy urls (gpgme_sig_notation_t)\n" - " Boolean values:\n" - " human_readable\n" - " critical\n" - " String values:\n" - " name\n" - " value\n" - " Number values:\n" - " flags\n"; -static gpg_error_t -op_verify (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_protocol_t protocol; - gpgme_data_t input = NULL; - gpgme_data_t signature = NULL; - gpgme_data_t output = NULL; - gpgme_verify_result_t verify_result; - - if ((err = get_protocol (request, &protocol))) - goto leave; - ctx = get_context (protocol); - - if ((err = get_string_data (request, result, "data", &input))) - goto leave; - - err = get_string_data (request, result, "signature", &signature); - /* Signature data is optional otherwise we expect opaque or clearsigned. */ - if (err && err != gpg_error (GPG_ERR_NO_DATA)) - goto leave; - - if (!signature) - { - /* Verify opaque or clearsigned we need an output data object. */ - err = gpgme_data_new (&output); - if (err) - { - gpg_error_object (result, err, - "Error creating output data object: %s", - gpg_strerror (err)); - goto leave; - } - err = gpgme_op_verify (ctx, input, 0, output); - } - else - { - err = gpgme_op_verify (ctx, signature, input, NULL); - } - - if (err) - { - gpg_error_object (result, err, "Verify failed: %s", gpg_strerror (err)); - goto leave; - } - gpgme_data_release (input); - input = NULL; - gpgme_data_release (signature); - signature = NULL; - - verify_result = gpgme_op_verify_result (ctx); - if (verify_result && verify_result->signatures) - { - xjson_AddItemToObject (result, "info", - verify_result_to_json (verify_result)); - } - - if (output) - { - err = make_data_object (result, output, "plaintext", -1); - output = NULL; - - if (err) - { - gpg_error_object (result, err, "Plaintext output failed: %s", - gpg_strerror (err)); - goto leave; - } - } - - leave: - release_context (ctx); - gpgme_data_release (input); - gpgme_data_release (output); - gpgme_data_release (signature); - return err; -} - - - -static const char hlp_version[] = - "op: \"version\"\n" - "\n" - "Response on success:\n" - "gpgme: The GPGME Version.\n" - "info: dump of engine info. containing:\n" - " protocol: The protocol.\n" - " fname: The file name.\n" - " version: The version.\n" - " req_ver: The required version.\n" - " homedir: The homedir of the engine or \"default\".\n"; -static gpg_error_t -op_version (cjson_t request, cjson_t result) -{ - gpg_error_t err = 0; - gpgme_engine_info_t ei = NULL; - cjson_t infos = xjson_CreateArray (); - - (void)request; - - if (!cJSON_AddStringToObject (result, "gpgme", gpgme_check_version (NULL))) - { - cJSON_Delete (infos); - return gpg_error_from_syserror (); - } - - if ((err = gpgme_get_engine_info (&ei))) - { - cJSON_Delete (infos); - return err; - } - - for (; ei; ei = ei->next) - cJSON_AddItemToArray (infos, engine_info_to_json (ei)); - - if (!cJSON_AddItemToObject (result, "info", infos)) - { - err = gpg_error_from_syserror (); - cJSON_Delete (infos); - return err; - } - - return 0; -} - - - -static const char hlp_keylist[] = - "op: \"keylist\"\n" - "\n" - "Optional parameters:\n" - "keys: Array of strings or fingerprints to lookup\n" - " For a single key a String may be used instead of an array.\n" - " default lists all keys.\n" - "protocol: Either \"openpgp\" (default) or \"cms\".\n" - "\n" - "Optional boolean flags (default is false):\n" - "secret: List only secret keys.\n" - "with-secret: Add KEYLIST_MODE_WITH_SECRET.\n" - "extern: Add KEYLIST_MODE_EXTERN.\n" - "local: Add KEYLIST_MODE_LOCAL. (default mode).\n" - "sigs: Add KEYLIST_MODE_SIGS.\n" - "notations: Add KEYLIST_MODE_SIG_NOTATIONS.\n" - "tofu: Add KEYLIST_MODE_WITH_TOFU.\n" - "keygrip: Add KEYLIST_MODE_WITH_KEYGRIP.\n" - "ephemeral: Add KEYLIST_MODE_EPHEMERAL.\n" - "validate: Add KEYLIST_MODE_VALIDATE.\n" - "locate: Add KEYLIST_MODE_LOCATE.\n" - "\n" - "Response on success:\n" - "keys: Array of keys.\n" - " Boolean values:\n" - " revoked\n" - " expired\n" - " disabled\n" - " invalid\n" - " can_encrypt\n" - " can_sign\n" - " can_certify\n" - " can_authenticate\n" - " secret\n" - " is_qualified\n" - " String values:\n" - " protocol\n" - " issuer_serial (CMS Only)\n" - " issuer_name (CMS Only)\n" - " chain_id (CMS Only)\n" - " owner_trust (OpenPGP only)\n" - " fingerprint\n" - " Number values:\n" - " last_update\n" - " origin\n" - " Array values:\n" - " subkeys\n" - " Boolean values:\n" - " revoked\n" - " expired\n" - " disabled\n" - " invalid\n" - " can_encrypt\n" - " can_sign\n" - " can_certify\n" - " can_authenticate\n" - " secret\n" - " is_qualified\n" - " is_cardkey\n" - " is_de_vs\n" - " String values:\n" - " pubkey_algo_name\n" - " pubkey_algo_string\n" - " keyid\n" - " card_number\n" - " curve\n" - " keygrip\n" - " Number values:\n" - " pubkey_algo\n" - " length\n" - " timestamp\n" - " expires\n" - " userids\n" - " Boolean values:\n" - " revoked\n" - " invalid\n" - " String values:\n" - " validity\n" - " uid\n" - " name\n" - " email\n" - " comment\n" - " address\n" - " Number values:\n" - " origin\n" - " last_update\n" - " Array values:\n" - " signatures\n" - " Boolean values:\n" - " revoked\n" - " expired\n" - " invalid\n" - " exportable\n" - " String values:\n" - " pubkey_algo_name\n" - " keyid\n" - " status\n" - " uid\n" - " name\n" - " email\n" - " comment\n" - " Number values:\n" - " pubkey_algo\n" - " timestamp\n" - " expires\n" - " status_code\n" - " sig_class\n" - " Array values:\n" - " notations\n" - " Boolean values:\n" - " human_readable\n" - " critical\n" - " String values:\n" - " name\n" - " value\n" - " Number values:\n" - " flags\n" - " tofu\n" - " String values:\n" - " description\n" - " Number values:\n" - " validity\n" - " policy\n" - " signcount\n" - " encrcount\n" - " signfirst\n" - " signlast\n" - " encrfirst\n" - " encrlast\n"; -static gpg_error_t -op_keylist (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_protocol_t protocol; - char **patterns = NULL; - int abool; - int secret_only = 0; - gpgme_keylist_mode_t mode = 0; - gpgme_key_t key = NULL; - cjson_t keyarray = xjson_CreateArray (); - - if ((err = get_protocol (request, &protocol))) - goto leave; - ctx = get_context (protocol); - - /* Handle the various keylist mode bools. */ - if ((err = get_boolean_flag (request, "secret", 0, &abool))) - goto leave; - if (abool) - { - mode |= GPGME_KEYLIST_MODE_WITH_SECRET; - secret_only = 1; - } - if ((err = get_boolean_flag (request, "with-secret", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_WITH_SECRET; - if ((err = get_boolean_flag (request, "extern", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_EXTERN; - - if ((err = get_boolean_flag (request, "local", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_LOCAL; - - if ((err = get_boolean_flag (request, "sigs", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_SIGS; - - if ((err = get_boolean_flag (request, "notations", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_SIG_NOTATIONS; - - if ((err = get_boolean_flag (request, "tofu", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_WITH_TOFU; - - if ((err = get_boolean_flag (request, "keygrip", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_WITH_KEYGRIP; - - if ((err = get_boolean_flag (request, "ephemeral", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_EPHEMERAL; - - if ((err = get_boolean_flag (request, "validate", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_VALIDATE; - - if ((err = get_boolean_flag (request, "locate", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_LOCATE; - - if ((err = get_boolean_flag (request, "force-extern", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_KEYLIST_MODE_FORCE_EXTERN; - - if (!mode) - { - /* default to local */ - mode = GPGME_KEYLIST_MODE_LOCAL; - } - - /* Get the keys. */ - patterns = create_keylist_patterns (request, "keys"); - - /* Do a keylisting and add the keys */ - gpgme_set_keylist_mode (ctx, mode); - - err = gpgme_op_keylist_ext_start (ctx, (const char **) patterns, - secret_only, 0); - if (err) - { - gpg_error_object (result, err, "Error listing keys: %s", - gpg_strerror (err)); - goto leave; - } - - while (!(err = gpgme_op_keylist_next (ctx, &key))) - { - cJSON_AddItemToArray (keyarray, key_to_json (key)); - gpgme_key_unref (key); - } - err = 0; - - if (!cJSON_AddItemToObject (result, "keys", keyarray)) - { - err = gpg_error_from_syserror (); - goto leave; - } - - leave: - xfree_array (patterns); - if (err) - { - cJSON_Delete (keyarray); - } - return err; -} - - - -static const char hlp_import[] = - "op: \"import\"\n" - "data: The data to import.\n" - "\n" - "Optional parameters:\n" - "protocol: Either \"openpgp\" (default) or \"cms\".\n" - "\n" - "Optional boolean flags (default is false):\n" - "base64: Input data is base64 encoded.\n" - "\n" - "Response on success:\n" - "result: The import result.\n" - " Number values:\n" - " considered\n" - " no_user_id\n" - " imported\n" - " imported_rsa\n" - " unchanged\n" - " new_user_ids\n" - " new_sub_keys\n" - " new_signatures\n" - " new_revocations\n" - " secret_read\n" - " secret_imported\n" - " secret_unchanged\n" - " skipped_new_keys\n" - " not_imported\n" - " skipped_v3_keys\n" - " Array values:\n" - " imports: List of keys for which an import was attempted\n" - " String values:\n" - " fingerprint\n" - " error_string\n" - " Number values:\n" - " error_code\n" - " status\n"; -static gpg_error_t -op_import (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_data_t input = NULL; - gpgme_import_result_t import_result; - gpgme_protocol_t protocol; - - if ((err = get_protocol (request, &protocol))) - goto leave; - ctx = get_context (protocol); - - if ((err = get_string_data (request, result, "data", &input))) - goto leave; - - /* Import. */ - err = gpgme_op_import (ctx, input); - import_result = gpgme_op_import_result (ctx); - if (err) - { - gpg_error_object (result, err, "Import failed: %s", - gpg_strerror (err)); - goto leave; - } - gpgme_data_release (input); - input = NULL; - - xjson_AddItemToObject (result, "result", - import_result_to_json (import_result)); - - leave: - release_context (ctx); - gpgme_data_release (input); - return err; -} - - -static const char hlp_export[] = - "op: \"export\"\n" - "\n" - "Optional parameters:\n" - "keys: Array of strings or fingerprints to lookup\n" - " For a single key a String may be used instead of an array.\n" - " default exports all keys.\n" - "protocol: Either \"openpgp\" (default) or \"cms\".\n" - "\n" - "Optional boolean flags (default is false):\n" - "armor: Request output in armored format.\n" - "extern: Add EXPORT_MODE_EXTERN.\n" - "minimal: Add EXPORT_MODE_MINIMAL.\n" - "raw: Add EXPORT_MODE_RAW.\n" - "pkcs12: Add EXPORT_MODE_PKCS12.\n" - "with-sec-fprs: Add the sec-fprs array to the result.\n" - "\n" - "Response on success:\n" - "type: \"keys\"\n" - "data: Unless armor mode is used a Base64 encoded binary.\n" - " In armor mode a string with an armored\n" - " OpenPGP or a PEM / PKCS12 key.\n" - "base64: Boolean indicating whether data is base64 encoded.\n" - "sec-fprs: Optional, only if with-secret is set. An array containing\n" - " the fingerprints of the keys in the export for which a secret\n" - " key is available"; -static gpg_error_t -op_export (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_protocol_t protocol; - char **patterns = NULL; - int abool; - int with_secret = 0; - gpgme_export_mode_t mode = 0; - gpgme_data_t output = NULL; - - if ((err = get_protocol (request, &protocol))) - goto leave; - ctx = get_context (protocol); - - if ((err = get_boolean_flag (request, "armor", 0, &abool))) - goto leave; - gpgme_set_armor (ctx, abool); - - /* Handle the various export mode bools. */ - if ((err = get_boolean_flag (request, "secret", 0, &abool))) - goto leave; - if (abool) - { - err = gpg_error (GPG_ERR_FORBIDDEN); - goto leave; - } - - if ((err = get_boolean_flag (request, "extern", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_EXPORT_MODE_EXTERN; - - if ((err = get_boolean_flag (request, "minimal", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_EXPORT_MODE_MINIMAL; - - if ((err = get_boolean_flag (request, "raw", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_EXPORT_MODE_RAW; - - if ((err = get_boolean_flag (request, "pkcs12", 0, &abool))) - goto leave; - if (abool) - mode |= GPGME_EXPORT_MODE_PKCS12; - - if ((err = get_boolean_flag (request, "with-sec-fprs", 0, &abool))) - goto leave; - if (abool) - with_secret = 1; - - /* Get the export patterns. */ - patterns = create_keylist_patterns (request, "keys"); - - /* Create an output data object. */ - err = gpgme_data_new (&output); - if (err) - { - gpg_error_object (result, err, "Error creating output data object: %s", - gpg_strerror (err)); - goto leave; - } - - err = gpgme_op_export_ext (ctx, (const char **) patterns, - mode, output); - if (err) - { - gpg_error_object (result, err, "Error exporting keys: %s", - gpg_strerror (err)); - goto leave; - } - - /* We need to base64 if armoring has not been requested. */ - err = make_data_object (result, output, - "keys", !gpgme_get_armor (ctx)); - output = NULL; - - if (!err && with_secret) - { - err = add_secret_fprs ((const char **) patterns, protocol, result); - } - -leave: - xfree_array (patterns); - release_context (ctx); - gpgme_data_release (output); - - return err; -} - - -static const char hlp_delete[] = - "op: \"delete\"\n" - "key: Fingerprint of the key to delete.\n" - "\n" - "Optional parameters:\n" - "protocol: Either \"openpgp\" (default) or \"cms\".\n" - "\n" - "Response on success:\n" - "success: Boolean true.\n"; -static gpg_error_t -op_delete (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_ctx_t keylist_ctx = NULL; - gpgme_protocol_t protocol; - gpgme_key_t key = NULL; - int secret = 0; - cjson_t j_key = NULL; - - if ((err = get_protocol (request, &protocol))) - goto leave; - ctx = get_context (protocol); - keylist_ctx = get_context (protocol); - - if ((err = get_boolean_flag (request, "secret", 0, &secret))) - goto leave; - if (secret) - { - err = gpg_error (GPG_ERR_FORBIDDEN); - goto leave; - } - - j_key = cJSON_GetObjectItem (request, "key"); - if (!j_key) - { - err = gpg_error (GPG_ERR_NO_KEY); - goto leave; - } - if (!cjson_is_string (j_key)) - { - err = gpg_error (GPG_ERR_INV_VALUE); - goto leave; - } - - /* Get the key */ - if ((err = gpgme_get_key (keylist_ctx, j_key->valuestring, &key, 0))) - { - gpg_error_object (result, err, "Error fetching key for delete: %s", - gpg_strerror (err)); - goto leave; - } - - err = gpgme_op_delete (ctx, key, 0); - if (err) - { - gpg_error_object (result, err, "Error deleting key: %s", - gpg_strerror (err)); - goto leave; - } - - xjson_AddBoolToObject (result, "success", 1); - -leave: - gpgme_key_unref (key); - release_context (ctx); - release_context (keylist_ctx); - - return err; -} - - -static const char hlp_config_opt[] = - "op: \"config_opt\"\n" - "component: The component of the option.\n" - "option: The name of the option.\n" - "\n" - "Response on success:\n" - "\n" - "option: Information about the option.\n" - " String values:\n" - " name: The name of the option\n" - " description: Localized description of the opt.\n" - " argname: Thhe argument name e.g. --verbose\n" - " default_description\n" - " no_arg_description\n" - " Number values:\n" - " flags: Flags for this option.\n" - " level: the level of the description. See gpgme_conf_level_t.\n" - " type: The type of the option. See gpgme_conf_type_t.\n" - " alt_type: Alternate type of the option. See gpgme_conf_type_t\n" - " Arg type values: (see desc. below)\n" - " default_value: Array of the default value.\n" - " no_arg_value: Array of the value if it is not set.\n" - " value: Array for the current value if the option is set.\n" - "\n" - "If the response is empty the option was not found\n" - ""; -static gpg_error_t -op_config_opt (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_conf_comp_t conf = NULL; - gpgme_conf_comp_t comp = NULL; - cjson_t j_tmp; - char *comp_name = NULL; - char *opt_name = NULL; - - ctx = get_context (GPGME_PROTOCOL_GPGCONF); - - j_tmp = cJSON_GetObjectItem (request, "component"); - if (!j_tmp || !cjson_is_string (j_tmp)) - { - err = gpg_error (GPG_ERR_INV_VALUE); - goto leave; - } - comp_name = j_tmp->valuestring; - - - j_tmp = cJSON_GetObjectItem (request, "option"); - if (!j_tmp || !cjson_is_string (j_tmp)) - { - err = gpg_error (GPG_ERR_INV_VALUE); - goto leave; - } - opt_name = j_tmp->valuestring; - - /* Load the config */ - err = gpgme_op_conf_load (ctx, &conf); - if (err) - { - goto leave; - } - - comp = conf; - for (comp = conf; comp; comp = comp->next) - { - gpgme_conf_opt_t opt = NULL; - int found = 0; - if (!comp->name || strcmp (comp->name, comp_name)) - { - /* Skip components if a single one is specified */ - continue; - } - for (opt = comp->options; opt; opt = opt->next) - { - if (!opt->name || strcmp (opt->name, opt_name)) - { - /* Skip components if a single one is specified */ - continue; - } - xjson_AddItemToObject (result, "option", conf_opt_to_json (opt)); - found = 1; - break; - } - if (found) - break; - } - -leave: - gpgme_conf_release (conf); - release_context (ctx); - - return err; -} - - -static const char hlp_config[] = - "op: \"config\"\n" - "\n" - "Optional parameters:\n" - "component: Component of entries to list.\n" - " Default: all\n" - "\n" - "Response on success:\n" - " components: Array of the component program configs.\n" - " name: The component name.\n" - " description: Description of the component.\n" - " program_name: The absolute path to the program.\n" - " options: Array of config options\n" - " String values:\n" - " name: The name of the option\n" - " description: Localized description of the opt.\n" - " argname: Thhe argument name e.g. --verbose\n" - " default_description\n" - " no_arg_description\n" - " Number values:\n" - " flags: Flags for this option.\n" - " level: the level of the description. See gpgme_conf_level_t.\n" - " type: The type of the option. See gpgme_conf_type_t.\n" - " alt_type: Alternate type of the option. See gpgme_conf_type_t\n" - " Arg type values: (see desc. below)\n" - " default_value: Array of the default value.\n" - " no_arg_value: Array of the value if it is not set.\n" - " value: Array for the current value if the option is set.\n" - "\n" - "Conf type values are an array of values that are either\n" - "of type number named \"number\" or of type string,\n" - "named \"string\".\n" - "If the type is none the bool value is_none is true.\n" - ""; -static gpg_error_t -op_config (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - gpgme_conf_comp_t conf = NULL; - gpgme_conf_comp_t comp = NULL; - cjson_t j_tmp; - char *comp_name = NULL; - cjson_t j_comps; - - ctx = get_context (GPGME_PROTOCOL_GPGCONF); - - j_tmp = cJSON_GetObjectItem (request, "component"); - if (j_tmp && cjson_is_string (j_tmp)) - { - comp_name = j_tmp->valuestring; - } - else if (j_tmp && !cjson_is_string (j_tmp)) - { - err = gpg_error (GPG_ERR_INV_VALUE); - goto leave; - } - - /* Load the config */ - err = gpgme_op_conf_load (ctx, &conf); - if (err) - { - goto leave; - } - - j_comps = xjson_CreateArray (); - comp = conf; - for (comp = conf; comp; comp = comp->next) - { - if (comp_name && comp->name && strcmp (comp->name, comp_name)) - { - /* Skip components if a single one is specified */ - continue; - } - cJSON_AddItemToArray (j_comps, conf_comp_to_json (comp)); - } - xjson_AddItemToObject (result, "components", j_comps); - - leave: - gpgme_conf_release (conf); - release_context (ctx); - - return err; -} - - - -static const char hlp_createkey[] = - "op: \"createkey\"\n" - "userid: The user id. E.g. \"Foo Bar <[email protected]>\"\n" - "\n" - "Optional parameters:\n" - "algo: Algo of the key as string. See doc for gpg --quick-gen-key.\n" - " Supported values are \"default\" and \"future-default\".\n" - "expires: Seconds from now to expiry as Number. 0 means no expiry.\n" - " The default is to use a standard expiration interval.\n" - "\n" - "Response on success:\n" - "fingerprint: The fingerprint of the created key.\n" - "\n" - "Note: This interface does not allow key generation if the userid\n" - "of the new key already exists in the keyring.\n"; -static gpg_error_t -op_createkey (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_ctx_t ctx = NULL; - unsigned int flags = GPGME_CREATE_FORCE; /* Always force as the GUI should - handle checks, if required. */ - unsigned long expires = 0; - cjson_t j_tmp; - const char *algo = "default"; - const char *userid; - gpgme_genkey_result_t res; - -#ifdef GPG_AGENT_ALLOWS_KEYGEN_THROUGH_BROWSER - /* GnuPG forbids keygen through the browser socket so for - this we create an unrestricted context. - See GnuPG-Bug-Id: T4010 for more info */ - ctx = get_context (GPGME_PROTOCOL_OpenPGP); -#else - err = gpgme_new (&ctx); - if (err) - log_fatal ("error creating GPGME context: %s\n", gpg_strerror (err)); - gpgme_set_protocol (ctx, GPGME_PROTOCOL_OpenPGP); -#endif - - j_tmp = cJSON_GetObjectItem (request, "algo"); - if (j_tmp && cjson_is_string (j_tmp)) - { - algo = j_tmp->valuestring; - } - - j_tmp = cJSON_GetObjectItem (request, "userid"); - if (!j_tmp || !cjson_is_string (j_tmp)) - { - err = gpg_error (GPG_ERR_INV_VALUE); - goto leave; - } - - userid = j_tmp->valuestring; - - j_tmp = cJSON_GetObjectItem (request, "expires"); - if (j_tmp) - { - if (!cjson_is_number (j_tmp)) - { - err = gpg_error (GPG_ERR_INV_VALUE); - goto leave; - } - expires = j_tmp->valueint; - - if (!expires) - flags |= GPGME_CREATE_NOEXPIRE; - } - - - if ((err = gpgme_op_createkey (ctx, userid, algo, 0, expires, NULL, flags))) - goto leave; - - res = gpgme_op_genkey_result (ctx); - if (!res) - { - err = gpg_error (GPG_ERR_GENERAL); - goto leave; - } - - xjson_AddStringToObject0 (result, "fingerprint", res->fpr); - -leave: -#ifdef GPG_AGENT_ALLOWS_KEYGEN_THROUGH_BROWSER - release_context (ctx); -#else - gpgme_release (ctx); -#endif - - return err; -} - - - -static const char * -data_type_to_string (gpgme_data_type_t dt) -{ - const char *s = "[?]"; - - switch (dt) - { - case GPGME_DATA_TYPE_INVALID : s = "invalid"; break; - case GPGME_DATA_TYPE_UNKNOWN : s = "unknown"; break; - case GPGME_DATA_TYPE_PGP_SIGNED : s = "PGP-signed"; break; - case GPGME_DATA_TYPE_PGP_SIGNATURE: s = "PGP-signature"; break; - case GPGME_DATA_TYPE_PGP_ENCRYPTED: s = "PGP-encrypted"; break; - case GPGME_DATA_TYPE_PGP_OTHER : s = "PGP"; break; - case GPGME_DATA_TYPE_PGP_KEY : s = "PGP-key"; break; - case GPGME_DATA_TYPE_CMS_SIGNED : s = "CMS-signed"; break; - case GPGME_DATA_TYPE_CMS_ENCRYPTED: s = "CMS-encrypted"; break; - case GPGME_DATA_TYPE_CMS_OTHER : s = "CMS"; break; - case GPGME_DATA_TYPE_X509_CERT : s = "X.509"; break; - case GPGME_DATA_TYPE_PKCS12 : s = "PKCS12"; break; - } - return s; -} - - -static const char hlp_identify[] = - "op: \"identify\"\n" - "data: The data to identify.\n" - "\n" - "Optional boolean flags (default is false):\n" - "base64: Input data is base64 encoded.\n" - "\n" - "Response:\n" - "result: A string describing the object.\n"; -static gpg_error_t -op_identify (cjson_t request, cjson_t result) -{ - gpg_error_t err; - gpgme_data_t input = NULL; - gpgme_data_type_t dt; - - if ((err = get_string_data (request, result, "data", &input))) - goto leave; - - dt = gpgme_data_identify (input, 0); - xjson_AddStringToObject (result, "result", data_type_to_string (dt)); - - leave: - gpgme_data_release (input); - return err; -} - - - -static const char hlp_getmore[] = - "op: \"getmore\"\n" - "\n" - "Response on success:\n" - "response: base64 encoded json response.\n" - "more: Another getmore is required.\n" - "base64: boolean if the response is base64 encoded.\n"; -static gpg_error_t -op_getmore (cjson_t request, cjson_t result) -{ - gpg_error_t err; - int c; - size_t n; - size_t chunksize; - - if ((err = get_chunksize (request, &chunksize))) - goto leave; - - /* For the meta data we need 41 bytes: - {"more":true,"base64":true,"response":""} */ - chunksize -= 41; - - /* Adjust the chunksize for the base64 conversion. */ - chunksize = (chunksize / 4) * 3; - - /* Do we have anything pending? */ - if (!pending_data.buffer) - { - err = gpg_error (GPG_ERR_NO_DATA); - gpg_error_object (result, err, "Operation not possible: %s", - gpg_strerror (err)); - goto leave; - } - - /* We currently always use base64 encoding for simplicity. */ - xjson_AddBoolToObject (result, "base64", 1); - - if (pending_data.written >= pending_data.length) - { - /* EOF reached. This should not happen but we return an empty - * string once in case of client errors. */ - gpgme_free (pending_data.buffer); - pending_data.buffer = NULL; - xjson_AddBoolToObject (result, "more", 0); - err = cjson_AddStringToObject (result, "response", ""); - } - else - { - n = pending_data.length - pending_data.written; - if (n > chunksize) - { - n = chunksize; - xjson_AddBoolToObject (result, "more", 1); - } - else - xjson_AddBoolToObject (result, "more", 0); - - c = pending_data.buffer[pending_data.written + n]; - pending_data.buffer[pending_data.written + n] = 0; - err = add_base64_to_object (result, "response", - (pending_data.buffer - + pending_data.written), n); - pending_data.buffer[pending_data.written + n] = c; - if (!err) - { - pending_data.written += n; - if (pending_data.written >= pending_data.length) - { - xfree (pending_data.buffer); - pending_data.buffer = NULL; - } - } - } - - leave: - return err; -} - - - -static const char hlp_help[] = - "The tool expects a JSON object with the request and responds with\n" - "another JSON object. Even on error a JSON object is returned. The\n" - "property \"op\" is mandatory and its string value selects the\n" - "operation; if the property \"help\" with the value \"true\" exists, the\n" - "operation is not performned but a string with the documentation\n" - "returned. To list all operations it is allowed to leave out \"op\" in\n" - "help mode. Supported values for \"op\" are:\n\n" - " config Read configuration values.\n" - " config_opt Read a single configuration value.\n" - " decrypt Decrypt data.\n" - " delete Delete a key.\n" - " encrypt Encrypt data.\n" - " export Export keys.\n" - " createkey Generate a keypair (OpenPGP only).\n" - " import Import data.\n" - " keylist List keys.\n" - " sign Sign data.\n" - " verify Verify data.\n" - " identify Identify the type of the data\n" - " version Get engine information.\n" - " getmore Retrieve remaining data if chunksize was used.\n" - " help Help overview.\n" - "\n" - "If the data needs to be transferred in smaller chunks the\n" - "property \"chunksize\" with an integer value can be added.\n" - "When \"chunksize\" is set the response (including json) will\n" - "not be larger then \"chunksize\" but might be smaller.\n" - "The chunked result will be transferred in base64 encoded chunks\n" - "using the \"getmore\" operation. See help getmore for more info."; -static gpg_error_t -op_help (cjson_t request, cjson_t result) -{ - cjson_t j_tmp; - char *buffer = NULL; - const char *msg; - - j_tmp = cJSON_GetObjectItem (request, "interactive_help"); - if (opt_interactive && j_tmp && cjson_is_string (j_tmp)) - msg = buffer = xstrconcat (hlp_help, "\n", j_tmp->valuestring, NULL); - else - msg = hlp_help; - - xjson_AddStringToObject (result, "type", "help"); - xjson_AddStringToObject (result, "msg", msg); - - xfree (buffer); - return 0; -} - - - -/* - * Dispatcher - */ - -/* Process a request and return the response. The response is a newly - * allocated string or NULL in case of an error. */ -static char * -process_request (const char *request) -{ - static struct { - const char *op; - gpg_error_t (*handler)(cjson_t request, cjson_t result); - const char * const helpstr; - } optbl[] = { - { "config", op_config, hlp_config }, - { "config_opt", op_config_opt, hlp_config_opt }, - { "encrypt", op_encrypt, hlp_encrypt }, - { "export", op_export, hlp_export }, - { "decrypt", op_decrypt, hlp_decrypt }, - { "delete", op_delete, hlp_delete }, - { "createkey", op_createkey, hlp_createkey }, - { "keylist", op_keylist, hlp_keylist }, - { "import", op_import, hlp_import }, - { "identify", op_identify, hlp_identify }, - { "sign", op_sign, hlp_sign }, - { "verify", op_verify, hlp_verify }, - { "version", op_version, hlp_version }, - { "getmore", op_getmore, hlp_getmore }, - { "help", op_help, hlp_help }, - { NULL } - }; - size_t erroff; - cjson_t json; - cjson_t j_tmp, j_op; - cjson_t response; - int helpmode; - int is_getmore = 0; - const char *op; - char *res = NULL; - int idx; - - response = xjson_CreateObject (); - - json = cJSON_Parse (request, &erroff); - if (!json) - { - log_string (GPGRT_LOGLVL_INFO, request); - log_info ("invalid JSON object at offset %zu\n", erroff); - error_object (response, "invalid JSON object at offset %zu\n", erroff); - goto leave; - } - - j_tmp = cJSON_GetObjectItem (json, "help"); - helpmode = (j_tmp && cjson_is_true (j_tmp)); - - j_op = cJSON_GetObjectItem (json, "op"); - if (!j_op || !cjson_is_string (j_op)) - { - if (!helpmode) - { - error_object (response, "Property \"op\" missing"); - goto leave; - } - op = "help"; /* Help summary. */ - } - else - op = j_op->valuestring; - - for (idx=0; optbl[idx].op; idx++) - if (!strcmp (op, optbl[idx].op)) - break; - if (optbl[idx].op) - { - if (helpmode && strcmp (op, "help")) - { - xjson_AddStringToObject (response, "type", "help"); - xjson_AddStringToObject (response, "op", op); - xjson_AddStringToObject (response, "msg", optbl[idx].helpstr); - } - else - { - gpg_error_t err; - is_getmore = optbl[idx].handler == op_getmore; - /* If this is not the "getmore" command and we have any - * pending data release that data. */ - if (pending_data.buffer && optbl[idx].handler != op_getmore) - { - gpgme_free (pending_data.buffer); - pending_data.buffer = NULL; - } - - err = optbl[idx].handler (json, response); - if (err) - { - if (!(j_tmp = cJSON_GetObjectItem (response, "type")) - || !cjson_is_string (j_tmp) - || strcmp (j_tmp->valuestring, "error")) - { - /* No error type response - provide a generic one. */ - gpg_error_object (response, err, "Operation failed: %s", - gpg_strerror (err)); - } - - xjson_AddStringToObject (response, "op", op); - } - } - } - else /* Operation not supported. */ - { - error_object (response, "Unknown operation '%s'", op); - xjson_AddStringToObject (response, "op", op); - } - - leave: - if (is_getmore) - { - /* For getmore we bypass the encode_and_chunk. */ - if (opt_interactive) - res = cJSON_Print (response); - else - res = cJSON_PrintUnformatted (response); - } - else - res = encode_and_chunk (json, response); - if (!res) - { - cjson_t err_obj; - - log_error ("printing JSON data failed\n"); - - err_obj = error_object (NULL, "Printing JSON data failed"); - if (opt_interactive) - res = cJSON_Print (err_obj); - res = cJSON_PrintUnformatted (err_obj); - cJSON_Delete (err_obj); - } - - cJSON_Delete (json); - cJSON_Delete (response); - - if (!res) - { - /* Can't happen unless we created a broken error_object above */ - return xtrystrdup ("Bug: Fatal error in process request\n"); - } - return res; -} - - - /* * Driver code */ @@ -3528,7 +145,7 @@ get_line (void) /* Process meta commands used with the standard REPL. */ static char * -process_meta_commands (const char *request) +process_meta_commands (ctrl_t ctrl, const char *request) { char *result = NULL; @@ -3541,11 +158,12 @@ process_meta_commands (const char *request) { char *buf = xstrconcat ("{ \"help\":true, \"op\":\"", request+5, "\" }", NULL); - result = process_request (buf); + result = json_core_process_request (ctrl, buf); xfree (buf); } else - result = process_request ("{ \"op\": \"help\"," + result = json_core_process_request (ctrl, + "{ \"op\": \"help\"," " \"interactive_help\": " "\"\\nMeta commands:\\n" " ,read FNAME Process data from FILE\\n" @@ -3564,7 +182,7 @@ process_meta_commands (const char *request) char *buffer = get_file (request + 5); if (buffer) { - result = process_request (buffer); + result = json_core_process_request (ctrl, buffer); xfree (buffer); } } @@ -3619,7 +237,7 @@ get_help_msg (const char *string) /* An interactive standard REPL. */ static void -interactive_repl (void) +interactive_repl (ctrl_t ctrl) { char *line = NULL; char *request = NULL; @@ -3663,18 +281,18 @@ interactive_repl (void) response = NULL; if (request && *request == ',') { - response = process_meta_commands (request+1); + response = process_meta_commands (ctrl, request+1); } else if (request) { - response = process_request (request); + response = json_core_process_request (ctrl, request); } xfree (request); request = NULL; if (response) { - if (opt_interactive) + if (ctrl->interactive) { char *msg = get_help_msg (response); if (msg) @@ -3712,7 +330,7 @@ interactive_repl (void) /* Read and process a single request. */ static void -read_and_process_single_request (void) +read_and_process_single_request (ctrl_t ctrl) { char *line = NULL; char *request = NULL; @@ -3731,7 +349,7 @@ read_and_process_single_request (void) if (request) { xfree (response); - response = process_request (request); + response = json_core_process_request (ctrl, request); if (response) { es_fputs (response, es_stdout); @@ -3752,7 +370,7 @@ read_and_process_single_request (void) /* The Native Messaging processing loop. */ static void -native_messaging_repl (void) +native_messaging_repl (ctrl_t ctrl) { gpg_error_t err; uint32_t nrequest, nresponse; @@ -3824,7 +442,7 @@ native_messaging_repl (void) if (opt_debug) log_debug ("request='%s'\n", request); xfree (response); - response = process_request (request); + response = json_core_process_request (ctrl, request); if (opt_debug) log_debug ("response='%s'\n", response); } @@ -3956,6 +574,7 @@ my_strusage( int level ) return p; } + int main (int argc, char *argv[]) { @@ -3980,6 +599,10 @@ main (int argc, char *argv[]) }; gpgrt_argparse_t pargs = { &argc, &argv}; int log_file_set = 0; + struct json_common_s ctrl_buffer; + ctrl_t ctrl = &ctrl_buffer; + + memset (&ctrl_buffer, 0, sizeof ctrl_buffer); gpgrt_set_strusage (my_strusage); @@ -3999,7 +622,7 @@ main (int argc, char *argv[]) switch (pargs.r_opt) { case CMD_INTERACTIVE: - opt_interactive = 1; + ctrl->interactive = 1; /*FALLTHROUGH*/ case CMD_SINGLE: case CMD_IDENTIFY: @@ -4054,15 +677,15 @@ main (int argc, char *argv[]) switch (cmd) { case CMD_DEFAULT: - native_messaging_repl (); + native_messaging_repl (ctrl); break; case CMD_SINGLE: - read_and_process_single_request (); + read_and_process_single_request (ctrl); break; case CMD_INTERACTIVE: - interactive_repl (); + interactive_repl (ctrl); break; case CMD_IDENTIFY: |