/*
- * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2009 the Claws Mail team
+ * Claws Mail -- a GTK based, lightweight, and fast e-mail client
+ * Copyright (C) 1999-2024 the Claws Mail team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
+#include "claws-features.h"
#endif
#ifdef USE_GPGME
#include <plugins/pgpcore/sgpgme.h>
#include <plugins/pgpcore/prefs_gpg.h>
#include <plugins/pgpcore/passphrase.h>
+#include <plugins/pgpcore/pgp_utils.h>
#include "prefs_common.h"
+#include "file-utils.h"
typedef struct _PrivacyDataPGP PrivacyDataPGP;
gboolean done_sigtest;
gboolean is_signed;
- gpgme_verify_result_t sigstatus;
- gpgme_ctx_t ctx;
};
static PrivacySystem pgpmime_system;
-static gint pgpmime_check_signature(MimeInfo *mimeinfo);
-
static PrivacyDataPGP *pgpmime_new_privacydata()
{
PrivacyDataPGP *data;
- gpgme_error_t err;
data = g_new0(PrivacyDataPGP, 1);
data->data.system = &pgpmime_system;
- data->done_sigtest = FALSE;
- data->is_signed = FALSE;
- data->sigstatus = NULL;
- if ((err = gpgme_new(&data->ctx)) != GPG_ERR_NO_ERROR) {
- g_warning(_("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
- return NULL;
- }
return data;
}
-static void pgpmime_free_privacydata(PrivacyData *_data)
+static void pgpmime_free_privacydata(PrivacyData *data)
{
- PrivacyDataPGP *data = (PrivacyDataPGP *) _data;
- gpgme_release(data->ctx);
g_free(data);
}
data = pgpmime_new_privacydata();
mimeinfo->privacy = (PrivacyData *) data;
}
-
- data->done_sigtest = TRUE;
- data->is_signed = TRUE;
+ if (data != NULL) {
+ data->done_sigtest = TRUE;
+ data->is_signed = TRUE;
+ }
return TRUE;
}
static gchar *get_canonical_content(FILE *fp, const gchar *boundary)
{
- gchar *ret;
GString *textbuffer;
guint boundary_len;
gchar buf[BUFFSIZE];
boundary_len = strlen(boundary);
- while (fgets(buf, sizeof(buf), fp) != NULL)
+ while (claws_fgets(buf, sizeof(buf), fp) != NULL)
if (IS_BOUNDARY(buf, boundary, boundary_len))
break;
textbuffer = g_string_new("");
- while (fgets(buf, sizeof(buf), fp) != NULL) {
+ while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
gchar *buf2;
if (IS_BOUNDARY(buf, boundary, boundary_len))
}
g_string_truncate(textbuffer, textbuffer->len - 2);
- ret = textbuffer->str;
- g_string_free(textbuffer, FALSE);
-
- return ret;
-}
-
-static gint pgpmime_check_signature(MimeInfo *mimeinfo)
-{
- PrivacyDataPGP *data;
- MimeInfo *parent, *signature;
- FILE *fp;
- gchar *boundary;
- gchar *textstr;
- gpgme_data_t sigdata = NULL, textdata = NULL;
- gpgme_error_t err;
- cm_return_val_if_fail(mimeinfo != NULL, -1);
- cm_return_val_if_fail(mimeinfo->privacy != NULL, -1);
- data = (PrivacyDataPGP *) mimeinfo->privacy;
- if ((err = gpgme_new(&data->ctx)) != GPG_ERR_NO_ERROR) {
- debug_print(("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
- privacy_set_error(_("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
- return 0;
- }
-
-
- debug_print("Checking PGP/MIME signature\n");
-
- err = gpgme_set_protocol(data->ctx, GPGME_PROTOCOL_OpenPGP);
-
- if (err) {
- debug_print ("gpgme_set_protocol failed: %s\n",
- gpgme_strerror (err));
- }
- parent = procmime_mimeinfo_parent(mimeinfo);
-
- fp = g_fopen(parent->data.filename, "rb");
- cm_return_val_if_fail(fp != NULL, SIGNATURE_INVALID);
-
- boundary = g_hash_table_lookup(parent->typeparameters, "boundary");
- if (!boundary) {
- privacy_set_error(_("Signature boundary not found."));
- fclose(fp);
- return 0;
- }
- textstr = get_canonical_content(fp, boundary);
-
- err = gpgme_data_new_from_mem(&textdata, textstr, (size_t)strlen(textstr), 0);
- if (err) {
- debug_print ("gpgme_data_new_from_mem failed: %s\n",
- gpgme_strerror (err));
- }
- signature = (MimeInfo *) mimeinfo->node->next->data;
- sigdata = sgpgme_data_from_mimeinfo(signature);
-
- err = 0;
- if (signature->encoding_type == ENC_BASE64) {
- err = gpgme_data_set_encoding (sigdata, GPGME_DATA_ENCODING_BASE64);
- }
-
- if (err) {
- debug_print ("gpgme_data_set_encoding failed: %s\n",
- gpgme_strerror (err));
- }
-
- data->sigstatus =
- sgpgme_verify_signature (data->ctx, sigdata, textdata, NULL);
-
- gpgme_data_release(sigdata);
- gpgme_data_release(textdata);
- g_free(textstr);
- fclose(fp);
-
- return 0;
-}
-
-static SignatureStatus pgpmime_get_sig_status(MimeInfo *mimeinfo)
-{
- PrivacyDataPGP *data = (PrivacyDataPGP *) mimeinfo->privacy;
-
- cm_return_val_if_fail(data != NULL, SIGNATURE_INVALID);
-
- if (data->sigstatus == NULL &&
- prefs_gpg_get_config()->auto_check_signatures)
- pgpmime_check_signature(mimeinfo);
-
- return sgpgme_sigstat_gpgme_to_privacy(data->ctx, data->sigstatus);
-}
-
-static gchar *pgpmime_get_sig_info_short(MimeInfo *mimeinfo)
-{
- PrivacyDataPGP *data = (PrivacyDataPGP *) mimeinfo->privacy;
-
- cm_return_val_if_fail(data != NULL, g_strdup("Error"));
-
- if (data->sigstatus == NULL &&
- prefs_gpg_get_config()->auto_check_signatures)
- pgpmime_check_signature(mimeinfo);
-
- return sgpgme_sigstat_info_short(data->ctx, data->sigstatus);
+ return g_string_free(textbuffer, FALSE);
}
-static gchar *pgpmime_get_sig_info_full(MimeInfo *mimeinfo)
+static gint pgpmime_check_sig_async(MimeInfo *mimeinfo,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
{
- PrivacyDataPGP *data = (PrivacyDataPGP *) mimeinfo->privacy;
-
- cm_return_val_if_fail(data != NULL, g_strdup("Error"));
-
- if (data->sigstatus == NULL &&
- prefs_gpg_get_config()->auto_check_signatures)
- pgpmime_check_signature(mimeinfo);
-
- return sgpgme_sigstat_info_full(data->ctx, data->sigstatus);
+ return cm_check_detached_sig_async(mimeinfo,
+ cancellable,
+ callback,
+ user_data,
+ GPGME_PROTOCOL_OpenPGP,
+ get_canonical_content);
}
static gboolean pgpmime_is_encrypted(MimeInfo *mimeinfo)
{
MimeInfo *tmpinfo;
const gchar *tmpstr;
-
+ const gchar *begin_indicator = "-----BEGIN PGP MESSAGE-----";
+ const gchar *end_indicator = "-----END PGP MESSAGE-----";
+ gchar *textdata;
+
if (mimeinfo->type != MIMETYPE_MULTIPART)
return FALSE;
if (g_ascii_strcasecmp(mimeinfo->subtype, "encrypted"))
if (g_ascii_strcasecmp(tmpinfo->subtype, "octet-stream"))
return FALSE;
+ textdata = procmime_get_part_as_string(tmpinfo, TRUE);
+ if (!textdata)
+ return FALSE;
+
+ if (!pgp_locate_armor_header(textdata, begin_indicator)) {
+ g_free(textdata);
+ return FALSE;
+ }
+ if (!pgp_locate_armor_header(textdata, end_indicator)) {
+ g_free(textdata);
+ return FALSE;
+ }
+
+ g_free(textdata);
+
return TRUE;
}
gchar *chars;
size_t len;
gpgme_error_t err;
+ SignatureData *sig_data = NULL;
if ((err = gpgme_new(&ctx)) != GPG_ERR_NO_ERROR) {
- debug_print(("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
+ debug_print("Couldn't initialize GPG context, %s\n", gpgme_strerror(err));
privacy_set_error(_("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
return NULL;
}
cipher = sgpgme_data_from_mimeinfo(encinfo);
plain = sgpgme_decrypt_verify(cipher, &sigstat, ctx);
+ if (sigstat != NULL && sigstat->signatures != NULL) {
+ sig_data = g_new0(SignatureData, 1);
+ sig_data->status = sgpgme_sigstat_gpgme_to_privacy(ctx, sigstat);
+ sig_data->info_short = sgpgme_sigstat_info_short(ctx, sigstat);
+ sig_data->info_full = sgpgme_sigstat_info_full(ctx, sigstat);
+ }
+
+ gpgme_release(ctx);
gpgme_data_release(cipher);
if (plain == NULL) {
debug_print("plain is null!\n");
- gpgme_release(ctx);
+ if (sig_data)
+ privacy_free_signature_data(sig_data);
return NULL;
}
- fname = g_strdup_printf("%s%cplaintext.%08x",
+ fname = g_strdup_printf("%s%cplaintext.%08x",
get_mime_tmp_dir(), G_DIR_SEPARATOR, ++id);
- if ((dstfp = g_fopen(fname, "wb")) == NULL) {
- FILE_OP_ERROR(fname, "fopen");
+ if ((dstfp = claws_fopen(fname, "wb")) == NULL) {
+ FILE_OP_ERROR(fname, "claws_fopen");
privacy_set_error(_("Couldn't open decrypted file %s"), fname);
- g_free(fname);
- gpgme_data_release(plain);
- gpgme_release(ctx);
+ if (sig_data)
+ privacy_free_signature_data(sig_data);
+ g_free(fname);
+ gpgme_data_release(plain);
debug_print("can't open!\n");
return NULL;
- }
+ }
if (fprintf(dstfp, "MIME-Version: 1.0\n") < 0) {
- FILE_OP_ERROR(fname, "fprintf");
- fclose(dstfp);
+ FILE_OP_ERROR(fname, "fprintf");
+ claws_fclose(dstfp);
privacy_set_error(_("Couldn't write to decrypted file %s"), fname);
- g_free(fname);
- gpgme_data_release(plain);
- gpgme_release(ctx);
+ if (sig_data)
+ privacy_free_signature_data(sig_data);
+ g_free(fname);
+ gpgme_data_release(plain);
debug_print("can't open!\n");
return NULL;
}
chars = sgpgme_data_release_and_get_mem(plain, &len);
if (len > 0) {
- if (fwrite(chars, 1, len, dstfp) < len) {
- FILE_OP_ERROR(fname, "fwrite");
- fclose(dstfp);
+ if (claws_fwrite(chars, 1, len, dstfp) < len) {
+ FILE_OP_ERROR(fname, "claws_fwrite");
+ g_free(chars);
+ claws_fclose(dstfp);
privacy_set_error(_("Couldn't write to decrypted file %s"), fname);
- g_free(fname);
- gpgme_data_release(plain);
- gpgme_release(ctx);
+ if (sig_data)
+ privacy_free_signature_data(sig_data);
+ g_free(fname);
+ gpgme_data_release(plain);
debug_print("can't open!\n");
return NULL;
}
}
- if (fclose(dstfp) == EOF) {
- FILE_OP_ERROR(fname, "fclose");
+ g_free(chars);
+
+ if (claws_safe_fclose(dstfp) == EOF) {
+ FILE_OP_ERROR(fname, "claws_fclose");
privacy_set_error(_("Couldn't close decrypted file %s"), fname);
- g_free(fname);
- gpgme_data_release(plain);
- gpgme_release(ctx);
+ if (sig_data)
+ privacy_free_signature_data(sig_data);
+ g_free(fname);
+ gpgme_data_release(plain);
debug_print("can't open!\n");
return NULL;
}
parseinfo = procmime_scan_file(fname);
g_free(fname);
if (parseinfo == NULL) {
- gpgme_release(ctx);
privacy_set_error(_("Couldn't parse decrypted file."));
+ if (sig_data)
+ privacy_free_signature_data(sig_data);
return NULL;
}
decinfo = g_node_first_child(parseinfo->node) != NULL ?
g_node_first_child(parseinfo->node)->data : NULL;
if (decinfo == NULL) {
privacy_set_error(_("Couldn't parse decrypted file parts."));
- gpgme_release(ctx);
+ if (sig_data)
+ privacy_free_signature_data(sig_data);
return NULL;
}
g_node_unlink(decinfo->node);
- procmime_mimeinfo_free_all(parseinfo);
+ procmime_mimeinfo_free_all(&parseinfo);
decinfo->tmp = TRUE;
- if (sigstat != NULL && sigstat->signatures != NULL) {
+ if (sig_data != NULL) {
if (decinfo->privacy != NULL) {
data = (PrivacyDataPGP *) decinfo->privacy;
} else {
data = pgpmime_new_privacydata();
- decinfo->privacy = (PrivacyData *) data;
+ decinfo->privacy = (PrivacyData *) data;
}
- data->done_sigtest = TRUE;
- data->is_signed = TRUE;
- data->sigstatus = sigstat;
- if (data->ctx)
- gpgme_release(data->ctx);
- data->ctx = ctx;
- } else
- gpgme_release(ctx);
+
+ if (data != NULL) {
+ data->done_sigtest = TRUE;
+ data->is_signed = TRUE;
+ decinfo->sig_data = sig_data;
+ }
+ }
return decinfo;
}
gboolean pgpmime_sign(MimeInfo *mimeinfo, PrefsAccount *account, const gchar *from_addr)
{
MimeInfo *msgcontent, *sigmultipart, *newinfo;
- gchar *textstr, *micalg;
+ gchar *textstr, *micalg = NULL;
FILE *fp;
gchar *boundary = NULL;
gchar *sigcontent;
fp = my_tmpfile();
if (fp == NULL) {
- privacy_set_error(_("Couldn't create temporary file: %s"), strerror(errno));
+ perror("my_tmpfile");
+ privacy_set_error(_("Couldn't create temporary file: %s"), g_strerror(errno));
return FALSE;
}
procmime_write_mimeinfo(mimeinfo, fp);
/* read temporary file into memory */
test_msg = file_read_stream_to_str(fp);
- fclose(fp);
+ claws_fclose(fp);
memset (&info, 0, sizeof info);
fp = my_tmpfile();
if (fp == NULL) {
perror("my_tmpfile");
- privacy_set_error(_("Couldn't create temporary file: %s"), strerror(errno));
+ privacy_set_error(_("Couldn't create temporary file: %s"), g_strerror(errno));
+ g_free(boundary);
return FALSE;
}
procmime_write_mimeinfo(sigmultipart, fp);
/* read temporary file into memory */
textstr = get_canonical_content(fp, boundary);
- fclose(fp);
+ g_free(boundary);
+ claws_fclose(fp);
gpgme_data_new_from_mem(&gpgtext, textstr, (size_t)strlen(textstr), 0);
gpgme_data_new(&gpgsig);
if ((err = gpgme_new(&ctx)) != GPG_ERR_NO_ERROR) {
- debug_print(("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
+ debug_print("Couldn't initialize GPG context, %s\n", gpgme_strerror(err));
privacy_set_error(_("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
return FALSE;
}
}
prefs_gpg_enable_agent(prefs_gpg_get_config()->use_gpg_agent);
- if (getenv("GPG_AGENT_INFO") && prefs_gpg_get_config()->use_gpg_agent) {
+ if (g_getenv("GPG_AGENT_INFO") && prefs_gpg_get_config()->use_gpg_agent) {
debug_print("GPG_AGENT_INFO environment defined, running without passphrase callback\n");
} else {
info.c = ctx;
if (result && result->signatures) {
gpgme_new_signature_t sig = result->signatures;
if (gpgme_get_protocol(ctx) == GPGME_PROTOCOL_OpenPGP) {
- micalg = g_strdup_printf("PGP-%s", gpgme_hash_algo_name(
- result->signatures->hash_algo));
+ gchar *down_algo = g_ascii_strdown(gpgme_hash_algo_name(
+ result->signatures->hash_algo), -1);
+ micalg = g_strdup_printf("pgp-%s", down_algo);
+ g_free(down_algo);
} else {
micalg = g_strdup(gpgme_hash_algo_name(
result->signatures->hash_algo));
if (sigcontent == NULL || len <= 0) {
g_warning("sgpgme_data_release_and_get_mem failed");
privacy_set_error(_("Data signing failed, no contents."));
+ g_free(micalg);
+ g_free(sigcontent);
+ gpgme_release(ctx);
return FALSE;
}
newinfo = procmime_mimeinfo_new();
newinfo->type = MIMETYPE_APPLICATION;
newinfo->subtype = g_strdup("pgp-signature");
- g_hash_table_insert(newinfo->typeparameters, g_strdup("name"),
- g_strdup("signature.asc"));
+ newinfo->description = g_strdup(_("OpenPGP digital signature"));
newinfo->content = MIMECONTENT_MEM;
- newinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
- g_hash_table_insert(newinfo->dispositionparameters, g_strdup("filename"),
- g_strdup("signature.asc"));
newinfo->data.mem = g_malloc(len + 1);
- g_memmove(newinfo->data.mem, sigcontent, len);
+ memmove(newinfo->data.mem, sigcontent, len);
newinfo->data.mem[len] = '\0';
+ newinfo->tmp = TRUE;
g_node_append(sigmultipart->node, newinfo->node);
g_free(sigcontent);
i++;
}
- kset = g_malloc(sizeof(gpgme_key_t)*(i+1));
- memset(kset, 0, sizeof(gpgme_key_t)*(i+1));
+ kset = g_malloc0(sizeof(gpgme_key_t)*(i+1));
if ((err = gpgme_new(&ctx)) != GPG_ERR_NO_ERROR) {
- debug_print(("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
+ debug_print("Couldn't initialize GPG context, %s\n", gpgme_strerror(err));
privacy_set_error(_("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
+ g_free(kset);
+ g_free(fprs);
return FALSE;
}
i = 0;
if (err) {
debug_print("can't add key '%s'[%d] (%s)\n", fprs[i],i, gpgme_strerror(err));
privacy_set_error(_("Couldn't add GPG key %s, %s"), fprs[i], gpgme_strerror(err));
+ for (gint x = 0; x < i; x++)
+ gpgme_key_unref(kset[x]);
+ g_free(kset);
+ g_free(fprs);
+ gpgme_release(ctx);
return FALSE;
}
debug_print("found %s at %d\n", fprs[i], i);
/* write message content to temporary file */
fp = my_tmpfile();
if (fp == NULL) {
- privacy_set_error(_("Couldn't create temporary file, %s"), strerror(errno));
+ perror("my_tmpfile");
+ privacy_set_error(_("Couldn't create temporary file, %s"), g_strerror(errno));
+ for (gint x = 0; x < i; x++)
+ gpgme_key_unref(kset[x]);
+ g_free(kset);
+ g_free(boundary);
+ g_free(fprs);
+ gpgme_release(ctx);
return FALSE;
}
procmime_write_mimeinfo(encmultipart, fp);
/* read temporary file into memory */
textstr = get_canonical_content(fp, boundary);
- fclose(fp);
+ g_free(boundary);
+ claws_fclose(fp);
/* encrypt data */
gpgme_data_new_from_mem(&gpgtext, textstr, (size_t)strlen(textstr), 0);
enccontent = sgpgme_data_release_and_get_mem(gpgenc, &len);
gpgme_data_release(gpgtext);
g_free(textstr);
+ for (gint x = 0; x < i; x++)
+ gpgme_key_unref(kset[x]);
+ g_free(kset);
if (enccontent == NULL || len <= 0) {
g_warning("sgpgme_data_release_and_get_mem failed");
privacy_set_error(_("Encryption failed, %s"), gpgme_strerror(err));
gpgme_release(ctx);
+ g_free(enccontent);
+ g_free(fprs);
return FALSE;
}
/* create encrypted multipart */
g_node_unlink(msgcontent->node);
- procmime_mimeinfo_free_all(msgcontent);
+ procmime_mimeinfo_free_all(&msgcontent);
g_node_append(mimeinfo->node, encmultipart->node);
newinfo = procmime_mimeinfo_new();
newinfo->subtype = g_strdup("pgp-encrypted");
newinfo->content = MIMECONTENT_MEM;
newinfo->data.mem = g_strdup("Version: 1\n");
+ newinfo->tmp = TRUE;
g_node_append(encmultipart->node, newinfo->node);
newinfo = procmime_mimeinfo_new();
newinfo->subtype = g_strdup("octet-stream");
newinfo->content = MIMECONTENT_MEM;
newinfo->data.mem = g_malloc(len + 1);
- g_memmove(newinfo->data.mem, enccontent, len);
+ newinfo->tmp = TRUE;
+ memmove(newinfo->data.mem, enccontent, len);
newinfo->data.mem[len] = '\0';
g_node_append(encmultipart->node, newinfo->node);
g_free(enccontent);
gpgme_release(ctx);
+ g_free(fprs);
+
return TRUE;
}
pgpmime_free_privacydata, /* free_privacydata */
pgpmime_is_signed, /* is_signed(MimeInfo *) */
- pgpmime_check_signature, /* check_signature(MimeInfo *) */
- pgpmime_get_sig_status, /* get_sig_status(MimeInfo *) */
- pgpmime_get_sig_info_short, /* get_sig_info_short(MimeInfo *) */
- pgpmime_get_sig_info_full, /* get_sig_info_full(MimeInfo *) */
+ pgpmime_check_sig_async,
pgpmime_is_encrypted, /* is_encrypted(MimeInfo *) */
pgpmime_decrypt, /* decrypt(MimeInfo *) */
pgpmime_encrypt,
pgpmime_get_encrypt_warning,
pgpmime_inhibit_encrypt_warning,
+ prefs_gpg_auto_check_signatures,
};
void pgpmime_init()
projects / claws.git / blobdiff