static gboolean pgpinline_encrypt(MimeInfo *mimeinfo, const gchar *encrypt_data)
{
MimeInfo *msgcontent;
FILE *fp;
gchar *enccontent;
size_t len;
gchar *textstr, *tmp;
gpgme_data_t gpgtext, gpgenc;
gpgme_ctx_t ctx;
gpgme_key_t *kset = NULL;
gchar **fprs = g_strsplit(encrypt_data, " ", -1);
gpgme_error_t err;
gint i = 0;
while (fprs[i] && strlen(fprs[i])) {
i++;
}
kset = g_malloc(sizeof(gpgme_key_t)*(i+1));
memset(kset, 0, 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));
privacy_set_error(_("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
g_free(kset);
return FALSE;
}
i = 0;
while (fprs[i] && strlen(fprs[i])) {
gpgme_key_t key;
err = gpgme_get_key(ctx, fprs[i], &key, 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));
g_free(kset);
return FALSE;
}
debug_print("found %s at %d\n", fprs[i], i);
kset[i] = key;
i++;
}
debug_print("Encrypting message content\n");
/* get content node from message */
msgcontent = (MimeInfo *) mimeinfo->node->children->data;
if (msgcontent->type == MIMETYPE_MULTIPART) {
if (!msgcontent->node->children) {
debug_print("msgcontent->node->children NULL, bailing\n");
privacy_set_error(_("Malformed message"));
g_free(kset);
return FALSE;
}
msgcontent = (MimeInfo *) msgcontent->node->children->data;
}
/* get rid of quoted-printable or anything */
procmime_decode_content(msgcontent);
fp = my_tmpfile();
if (fp == NULL) {
privacy_set_error(_("Couldn't create temporary file, %s"), g_strerror(errno));
perror("my_tmpfile");
g_free(kset);
return FALSE;
}
procmime_write_mimeinfo(msgcontent, fp);
rewind(fp);
/* read temporary file into memory */
textstr = fp_read_noconv(fp);
fclose(fp);
/* encrypt data */
gpgme_data_new_from_mem(&gpgtext, textstr, (size_t)strlen(textstr), 0);
gpgme_data_new(&gpgenc);
if ((err = gpgme_new(&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));
g_free(kset);
return FALSE;
}
gpgme_set_armor(ctx, 1);
err = gpgme_op_encrypt(ctx, kset, GPGME_ENCRYPT_ALWAYS_TRUST, gpgtext, gpgenc);
enccontent = sgpgme_data_release_and_get_mem(gpgenc, &len);
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_data_release(gpgtext);
g_free(textstr);
gpgme_release(ctx);
g_free(enccontent);
return FALSE;
}
tmp = g_malloc(len+1);
g_memmove(tmp, enccontent, len+1);
tmp[len] = '\0';
g_free(enccontent);
gpgme_data_release(gpgtext);
g_free(textstr);
if (msgcontent->content == MIMECONTENT_FILE &&
msgcontent->data.filename != NULL) {
if (msgcontent->tmp == TRUE)
claws_unlink(msgcontent->data.filename);
g_free(msgcontent->data.filename);
}
msgcontent->data.mem = g_strdup(tmp);
msgcontent->content = MIMECONTENT_MEM;
g_free(tmp);
gpgme_release(ctx);
return TRUE;
}
static gboolean pgpinline_sign(MimeInfo *mimeinfo, PrefsAccount *account, const gchar *from_addr)
{
MimeInfo *msgcontent;
gchar *textstr, *tmp;
FILE *fp;
gchar *sigcontent;
gpgme_ctx_t ctx;
gpgme_data_t gpgtext, gpgsig;
size_t len;
gpgme_error_t err;
struct passphrase_cb_info_s info;
gpgme_sign_result_t result = NULL;
memset (&info, 0, sizeof info);
/* get content node from message */
msgcontent = (MimeInfo *) mimeinfo->node->children->data;
if (msgcontent->type == MIMETYPE_MULTIPART) {
if (!msgcontent->node->children) {
debug_print("msgcontent->node->children NULL, bailing\n");
privacy_set_error(_("Malformed message"));
return FALSE;
}
msgcontent = (MimeInfo *) msgcontent->node->children->data;
}
/* get rid of quoted-printable or anything */
procmime_decode_content(msgcontent);
fp = my_tmpfile();
if (fp == NULL) {
perror("my_tmpfile");
privacy_set_error(_("Couldn't create temporary file."));
return FALSE;
}
procmime_write_mimeinfo(msgcontent, fp);
rewind(fp);
/* read temporary file into memory */
textstr = fp_read_noconv(fp);
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));
privacy_set_error(_("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
return FALSE;
}
gpgme_set_textmode(ctx, 1);
gpgme_set_armor(ctx, 1);
if (!sgpgme_setup_signers(ctx, account, from_addr)) {
gpgme_release(ctx);
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) {
info.c = ctx;
gpgme_set_passphrase_cb (ctx, gpgmegtk_passphrase_cb, &info);
}
err = gpgme_op_sign(ctx, gpgtext, gpgsig, GPGME_SIG_MODE_CLEAR);
if (err != GPG_ERR_NO_ERROR) {
if (err == GPG_ERR_CANCELED) {
/* ignore cancelled signing */
privacy_reset_error();
debug_print("gpgme_op_sign cancelled\n");
} else {
privacy_set_error(_("Data signing failed, %s"), gpgme_strerror(err));
debug_print("gpgme_op_sign error : %x\n", err);
}
gpgme_release(ctx);
return FALSE;
}
result = gpgme_op_sign_result(ctx);
if (result && result->signatures) {
gpgme_new_signature_t sig = result->signatures;
while (sig) {
debug_print("valid signature: %s\n", sig->fpr);
sig = sig->next;
}
} else if (result && result->invalid_signers) {
gpgme_invalid_key_t invalid = result->invalid_signers;
while (invalid) {
g_warning("invalid signer: %s (%s)", invalid->fpr,
gpgme_strerror(invalid->reason));
privacy_set_error(_("Data signing failed due to invalid signer: %s"),
gpgme_strerror(invalid->reason));
invalid = invalid->next;
}
gpgme_release(ctx);
return FALSE;
} else {
/* can't get result (maybe no signing key?) */
debug_print("gpgme_op_sign_result error\n");
privacy_set_error(_("Data signing failed, no results."));
gpgme_release(ctx);
return FALSE;
}
sigcontent = sgpgme_data_release_and_get_mem(gpgsig, &len);
if (sigcontent == NULL || len <= 0) {
g_warning("sgpgme_data_release_and_get_mem failed");
privacy_set_error(_("Data signing failed, no contents."));
gpgme_data_release(gpgtext);
g_free(textstr);
g_free(sigcontent);
gpgme_release(ctx);
return FALSE;
}
tmp = g_malloc(len+1);
g_memmove(tmp, sigcontent, len+1);
tmp[len] = '\0';
gpgme_data_release(gpgtext);
g_free(textstr);
g_free(sigcontent);
if (msgcontent->content == MIMECONTENT_FILE &&
msgcontent->data.filename != NULL) {
if (msgcontent->tmp == TRUE)
claws_unlink(msgcontent->data.filename);
g_free(msgcontent->data.filename);
}
msgcontent->data.mem = g_strdup(tmp);
msgcontent->content = MIMECONTENT_MEM;
g_free(tmp);
/* avoid all sorts of clear-signing problems with non ascii
* chars
*/
procmime_encode_content(msgcontent, ENC_BASE64);
gpgme_release(ctx);
return TRUE;
}
gboolean pgpmime_encrypt(MimeInfo *mimeinfo, const gchar *encrypt_data)
{
MimeInfo *msgcontent, *encmultipart, *newinfo;
FILE *fp;
gchar *boundary, *enccontent;
size_t len;
gchar *textstr;
gpgme_data_t gpgtext = NULL, gpgenc = NULL;
gpgme_ctx_t ctx = NULL;
gpgme_key_t *kset = NULL;
gchar **fprs = g_strsplit(encrypt_data, " ", -1);
gint i = 0;
gpgme_error_t err;
while (fprs[i] && strlen(fprs[i])) {
i++;
}
kset = g_malloc(sizeof(gpgme_key_t)*(i+1));
memset(kset, 0, sizeof(gpgme_key_t)*(i+1));
if ((err = gpgme_new(&ctx)) != GPG_ERR_NO_ERROR) {
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);
return FALSE;
}
i = 0;
while (fprs[i] && strlen(fprs[i])) {
gpgme_key_t key;
err = gpgme_get_key(ctx, fprs[i], &key, 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));
g_free(kset);
return FALSE;
}
debug_print("found %s at %d\n", fprs[i], i);
kset[i] = key;
i++;
}
debug_print("Encrypting message content\n");
/* remove content node from message */
msgcontent = (MimeInfo *) mimeinfo->node->children->data;
g_node_unlink(msgcontent->node);
/* create temporary multipart for content */
encmultipart = procmime_mimeinfo_new();
encmultipart->type = MIMETYPE_MULTIPART;
encmultipart->subtype = g_strdup("encrypted");
boundary = generate_mime_boundary("Encrypt");
g_hash_table_insert(encmultipart->typeparameters, g_strdup("boundary"),
g_strdup(boundary));
g_hash_table_insert(encmultipart->typeparameters, g_strdup("protocol"),
g_strdup("application/pgp-encrypted"));
g_node_append(encmultipart->node, msgcontent->node);
/* write message content to temporary file */
fp = my_tmpfile();
if (fp == NULL) {
perror("my_tmpfile");
privacy_set_error(_("Couldn't create temporary file, %s"), g_strerror(errno));
g_free(kset);
return FALSE;
}
procmime_write_mimeinfo(encmultipart, fp);
rewind(fp);
/* read temporary file into memory */
textstr = get_canonical_content(fp, boundary);
g_free(boundary);
claws_fclose(fp);
/* encrypt data */
gpgme_data_new_from_mem(&gpgtext, textstr, (size_t)strlen(textstr), 0);
gpgme_data_new(&gpgenc);
gpgme_set_armor(ctx, 1);
cm_gpgme_data_rewind(gpgtext);
err = gpgme_op_encrypt(ctx, kset, GPGME_ENCRYPT_ALWAYS_TRUST, gpgtext, gpgenc);
enccontent = sgpgme_data_release_and_get_mem(gpgenc, &len);
gpgme_data_release(gpgtext);
g_free(textstr);
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);
return FALSE;
}
/* create encrypted multipart */
g_node_unlink(msgcontent->node);
procmime_mimeinfo_free_all(&msgcontent);
g_node_append(mimeinfo->node, encmultipart->node);
newinfo = procmime_mimeinfo_new();
newinfo->type = MIMETYPE_APPLICATION;
newinfo->subtype = g_strdup("pgp-encrypted");
newinfo->content = MIMECONTENT_MEM;
newinfo->data.mem = g_strdup("Version: 1\n");
g_node_append(encmultipart->node, newinfo->node);
newinfo = procmime_mimeinfo_new();
newinfo->type = MIMETYPE_APPLICATION;
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->data.mem[len] = '\0';
g_node_append(encmultipart->node, newinfo->node);
g_free(enccontent);
gpgme_release(ctx);
return TRUE;
}
gint procmsg_send_message_queue(const gchar *file)
{
static HeaderEntry qentry[] = {{"S:", NULL, FALSE},
{"SSV:", NULL, FALSE},
{"R:", NULL, FALSE},
{"NG:", NULL, FALSE},
{"MAID:", NULL, FALSE},
{"NAID:", NULL, FALSE},
{"SCF:", NULL, FALSE},
{"RMID:", NULL, FALSE},
{"FMID:", NULL, FALSE},
{"X-Sylpheed-Privacy-System:", NULL, FALSE},
{"X-Sylpheed-Encrypt:", NULL, FALSE},
{"X-Sylpheed-Encrypt-Data:", NULL, FALSE},
{NULL, NULL, FALSE}};
FILE *fp;
gint filepos;
gint mailval = 0, newsval = 0;
gchar *from = NULL;
gchar *smtpserver = NULL;
GSList *to_list = NULL;
GSList *newsgroup_list = NULL;
gchar *savecopyfolder = NULL;
gchar *replymessageid = NULL;
gchar *fwdmessageid = NULL;
gchar *privacy_system = NULL;
gboolean encrypt = FALSE;
gchar *encrypt_data = NULL;
gchar buf[BUFFSIZE];
gint hnum;
PrefsAccount *mailac = NULL, *newsac = NULL;
gboolean save_clear_text = TRUE;
gchar *tmp_enc_file = NULL;
int local = 0;
g_return_val_if_fail(file != NULL, -1);
if ((fp = fopen(file, "rb")) == NULL) {
FILE_OP_ERROR(file, "fopen");
return -1;
}
while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, qentry))
!= -1) {
gchar *p = buf + strlen(qentry[hnum].name);
switch (hnum) {
case Q_SENDER:
if (from == NULL)
from = g_strdup(p);
break;
case Q_SMTPSERVER:
if (smtpserver == NULL)
smtpserver = g_strdup(p);
break;
case Q_RECIPIENTS:
to_list = address_list_append(to_list, p);
break;
case Q_NEWSGROUPS:
newsgroup_list = newsgroup_list_append(newsgroup_list, p);
break;
case Q_MAIL_ACCOUNT_ID:
mailac = account_find_from_id(atoi(p));
break;
case Q_NEWS_ACCOUNT_ID:
newsac = account_find_from_id(atoi(p));
break;
case Q_SAVE_COPY_FOLDER:
if (savecopyfolder == NULL)
savecopyfolder = g_strdup(p);
break;
case Q_REPLY_MESSAGE_ID:
if (replymessageid == NULL)
replymessageid = g_strdup(p);
break;
case Q_FWD_MESSAGE_ID:
if (fwdmessageid == NULL)
fwdmessageid = g_strdup(p);
break;
case Q_PRIVACY_SYSTEM:
if (privacy_system == NULL)
privacy_system = g_strdup(p);
break;
case Q_ENCRYPT:
if (p[0] == '1')
encrypt = TRUE;
break;
case Q_ENCRYPT_DATA:
if (encrypt_data == NULL)
encrypt_data = g_strdup(p);
break;
}
}
filepos = ftell(fp);
if (encrypt) {
MimeInfo *mimeinfo;
save_clear_text = (mailac != NULL && mailac->save_encrypted_as_clear_text);
fclose(fp);
fp = NULL;
mimeinfo = procmime_scan_queue_file(file);
if (!privacy_encrypt(privacy_system, mimeinfo, encrypt_data)
|| (fp = my_tmpfile()) == NULL
|| procmime_write_mimeinfo(mimeinfo, fp) < 0) {
if (fp)
fclose(fp);
procmime_mimeinfo_free_all(mimeinfo);
g_free(from);
g_free(smtpserver);
slist_free_strings(to_list);
g_slist_free(to_list);
slist_free_strings(newsgroup_list);
g_slist_free(newsgroup_list);
g_free(savecopyfolder);
g_free(replymessageid);
g_free(fwdmessageid);
g_free(privacy_system);
g_free(encrypt_data);
return -1;
}
rewind(fp);
if (!save_clear_text) {
gchar *content = NULL;
FILE *tmpfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmp_enc_file);
if (tmpfp) {
fclose(tmpfp);
content = file_read_stream_to_str(fp);
rewind(fp);
str_write_to_file(content, tmp_enc_file);
g_free(content);
} else {
g_warning("couldn't get tempfile\n");
}
}
procmime_mimeinfo_free_all(mimeinfo);
filepos = 0;
}
if (to_list) {
debug_print("Sending message by mail\n");
if (!from) {
g_warning("Queued message header is broken.\n");
mailval = -1;
} else if (mailac && mailac->use_mail_command &&
mailac->mail_command && (* mailac->mail_command)) {
mailval = send_message_local(mailac->mail_command, fp);
local = 1;
} else {
if (!mailac) {
mailac = account_find_from_smtp_server(from, smtpserver);
if (!mailac) {
g_warning("Account not found. "
"Using current account...\n");
mailac = cur_account;
}
}
if (mailac)
mailval = send_message_smtp(mailac, to_list, fp);
else {
PrefsAccount tmp_ac;
g_warning("Account not found.\n");
memset(&tmp_ac, 0, sizeof(PrefsAccount));
tmp_ac.address = from;
tmp_ac.smtp_server = smtpserver;
tmp_ac.smtpport = SMTP_PORT;
mailval = send_message_smtp(&tmp_ac, to_list, fp);
}
}
}
fseek(fp, filepos, SEEK_SET);
if (newsgroup_list && (mailval == 0)) {
Folder *folder;
gchar *tmp = NULL;
FILE *tmpfp;
/* write to temporary file */
tmp = g_strdup_printf("%s%ctmp%d", g_get_tmp_dir(),
G_DIR_SEPARATOR, (gint)file);
if ((tmpfp = fopen(tmp, "wb")) == NULL) {
FILE_OP_ERROR(tmp, "fopen");
newsval = -1;
alertpanel_error(_("Could not create temporary file for news sending."));
} else {
if (change_file_mode_rw(tmpfp, tmp) < 0) {
FILE_OP_ERROR(tmp, "chmod");
g_warning("can't change file mode\n");
}
while ((newsval == 0) && fgets(buf, sizeof(buf), fp) != NULL) {
if (fputs(buf, tmpfp) == EOF) {
FILE_OP_ERROR(tmp, "fputs");
newsval = -1;
alertpanel_error(_("Error when writing temporary file for news sending."));
}
}
fclose(tmpfp);
if (newsval == 0) {
debug_print("Sending message by news\n");
folder = FOLDER(newsac->folder);
newsval = news_post(folder, tmp);
if (newsval < 0) {
alertpanel_error(_("Error occurred while posting the message to %s ."),
newsac->nntp_server);
}
}
unlink(tmp);
}
g_free(tmp);
}
fclose(fp);
/* save message to outbox */
if (mailval == 0 && newsval == 0 && savecopyfolder) {
FolderItem *outbox;
debug_print("saving sent message...\n");
outbox = folder_find_item_from_identifier(savecopyfolder);
if (!outbox)
outbox = folder_get_default_outbox();
if (save_clear_text || tmp_enc_file == NULL) {
procmsg_save_to_outbox(outbox, file, TRUE);
} else {
procmsg_save_to_outbox(outbox, tmp_enc_file, FALSE);
}
}
if (tmp_enc_file != NULL) {
unlink(tmp_enc_file);
free(tmp_enc_file);
tmp_enc_file = NULL;
}
if (replymessageid != NULL || fwdmessageid != NULL) {
gchar **tokens;
FolderItem *item;
if (replymessageid != NULL)
tokens = g_strsplit(replymessageid, "\x7f", 0);
else
tokens = g_strsplit(fwdmessageid, "\x7f", 0);
item = folder_find_item_from_identifier(tokens[0]);
/* check if queued message has valid folder and message id */
if (item != NULL && tokens[2] != NULL) {
MsgInfo *msginfo;
msginfo = folder_item_get_msginfo(item, atoi(tokens[1]));
/* check if referring message exists and has a message id */
if ((msginfo != NULL) &&
(msginfo->msgid != NULL) &&
(strcmp(msginfo->msgid, tokens[2]) != 0)) {
procmsg_msginfo_free(msginfo);
msginfo = NULL;
}
if (msginfo == NULL) {
msginfo = folder_item_get_msginfo_by_msgid(item, tokens[2]);
}
if (msginfo != NULL) {
if (replymessageid != NULL) {
procmsg_msginfo_unset_flags(msginfo, MSG_FORWARDED, 0);
procmsg_msginfo_set_flags(msginfo, MSG_REPLIED, 0);
} else {
procmsg_msginfo_unset_flags(msginfo, MSG_REPLIED, 0);
procmsg_msginfo_set_flags(msginfo, MSG_FORWARDED, 0);
}
procmsg_msginfo_free(msginfo);
}
}
g_strfreev(tokens);
}
g_free(from);
g_free(smtpserver);
slist_free_strings(to_list);
g_slist_free(to_list);
slist_free_strings(newsgroup_list);
g_slist_free(newsgroup_list);
g_free(savecopyfolder);
g_free(replymessageid);
g_free(fwdmessageid);
g_free(privacy_system);
g_free(encrypt_data);
return (newsval != 0 ? newsval : mailval);
}
gboolean pgpmime_sign(MimeInfo *mimeinfo, PrefsAccount *account, const gchar *from_addr)
{
MimeInfo *msgcontent, *sigmultipart, *newinfo;
gchar *textstr, *micalg = NULL;
FILE *fp;
gchar *boundary = NULL;
gchar *sigcontent;
gpgme_ctx_t ctx;
gpgme_data_t gpgtext, gpgsig;
gpgme_error_t err;
size_t len;
struct passphrase_cb_info_s info;
gpgme_sign_result_t result = NULL;
gchar *test_msg;
fp = my_tmpfile();
if (fp == NULL) {
perror("my_tmpfile");
privacy_set_error(_("Couldn't create temporary file: %s"), g_strerror(errno));
return FALSE;
}
procmime_write_mimeinfo(mimeinfo, fp);
rewind(fp);
/* read temporary file into memory */
test_msg = file_read_stream_to_str(fp);
claws_fclose(fp);
memset (&info, 0, sizeof info);
/* remove content node from message */
msgcontent = (MimeInfo *) mimeinfo->node->children->data;
g_node_unlink(msgcontent->node);
/* create temporary multipart for content */
sigmultipart = procmime_mimeinfo_new();
sigmultipart->type = MIMETYPE_MULTIPART;
sigmultipart->subtype = g_strdup("signed");
do {
g_free(boundary);
boundary = generate_mime_boundary("Sig");
} while (strstr(test_msg, boundary) != NULL);
g_free(test_msg);
g_hash_table_insert(sigmultipart->typeparameters, g_strdup("boundary"),
g_strdup(boundary));
g_hash_table_insert(sigmultipart->typeparameters, g_strdup("protocol"),
g_strdup("application/pgp-signature"));
g_node_append(sigmultipart->node, msgcontent->node);
g_node_append(mimeinfo->node, sigmultipart->node);
/* write message content to temporary file */
fp = my_tmpfile();
if (fp == NULL) {
perror("my_tmpfile");
privacy_set_error(_("Couldn't create temporary file: %s"), g_strerror(errno));
return FALSE;
}
procmime_write_mimeinfo(sigmultipart, fp);
rewind(fp);
/* read temporary file into memory */
textstr = get_canonical_content(fp, boundary);
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\n"), gpgme_strerror(err));
privacy_set_error(_("Couldn't initialize GPG context, %s"), gpgme_strerror(err));
return FALSE;
}
gpgme_set_textmode(ctx, 1);
gpgme_set_armor(ctx, 1);
gpgme_signers_clear (ctx);
if (!sgpgme_setup_signers(ctx, account, from_addr)) {
gpgme_release(ctx);
return FALSE;
}
prefs_gpg_enable_agent(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;
gpgme_set_passphrase_cb (ctx, gpgmegtk_passphrase_cb, &info);
}
err = gpgme_op_sign(ctx, gpgtext, gpgsig, GPGME_SIG_MODE_DETACH);
if (err != GPG_ERR_NO_ERROR) {
if (err == GPG_ERR_CANCELED) {
/* ignore cancelled signing */
privacy_reset_error();
debug_print("gpgme_op_sign cancelled\n");
} else {
privacy_set_error(_("Data signing failed, %s"), gpgme_strerror(err));
debug_print("gpgme_op_sign error : %x\n", err);
}
gpgme_release(ctx);
return FALSE;
}
result = gpgme_op_sign_result(ctx);
if (result && result->signatures) {
gpgme_new_signature_t sig = result->signatures;
if (gpgme_get_protocol(ctx) == GPGME_PROTOCOL_OpenPGP) {
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));
}
while (sig) {
debug_print("valid signature: %s\n", sig->fpr);
sig = sig->next;
}
} else if (result && result->invalid_signers) {
gpgme_invalid_key_t invalid = result->invalid_signers;
while (invalid) {
g_warning("invalid signer: %s (%s)", invalid->fpr,
gpgme_strerror(invalid->reason));
privacy_set_error(_("Data signing failed due to invalid signer: %s"),
gpgme_strerror(invalid->reason));
invalid = invalid->next;
}
gpgme_release(ctx);
return FALSE;
} else {
/* can't get result (maybe no signing key?) */
debug_print("gpgme_op_sign_result error\n");
privacy_set_error(_("Data signing failed, no results."));
gpgme_release(ctx);
return FALSE;
}
sigcontent = sgpgme_data_release_and_get_mem(gpgsig, &len);
gpgme_data_release(gpgtext);
g_free(textstr);
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);
return FALSE;
}
/* add signature */
g_hash_table_insert(sigmultipart->typeparameters, g_strdup("micalg"),
micalg);
newinfo = procmime_mimeinfo_new();
newinfo->type = MIMETYPE_APPLICATION;
newinfo->subtype = g_strdup("pgp-signature");
newinfo->description = g_strdup(_("OpenPGP digital signature"));
newinfo->content = MIMECONTENT_MEM;
newinfo->data.mem = g_malloc(len + 1);
g_memmove(newinfo->data.mem, sigcontent, len);
newinfo->data.mem[len] = '\0';
g_node_append(sigmultipart->node, newinfo->node);
g_free(sigcontent);
gpgme_release(ctx);
return TRUE;
}
