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Merge pull request #296 from deltachat/remove_gotos_dc_e2ee

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Remove gotos from dc_e2ee
This commit is contained in:
Jikstra
2019-08-08 00:22:51 +02:00
committed by GitHub
parent 602d145348 a993c256e2
commit e9ff02bdc5
1 changed files with 78 additions and 101 deletions
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53
src/dc_e2ee.rs
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@@ -66,7 +66,7 @@ pub unsafe fn dc_e2ee_encrypt(
mut in_out_message: *mut mailmime, mut in_out_message: *mut mailmime,
helper: &mut dc_e2ee_helper_t, helper: &mut dc_e2ee_helper_t,
) { ) {
let mut current_block: u64 = 0; let mut ok_to_continue = true;
let mut col: libc::c_int = 0i32; let mut col: libc::c_int = 0i32;
let mut do_encrypt: libc::c_int = 0i32; let mut do_encrypt: libc::c_int = 0i32;
/*just a pointer into mailmime structure, must not be freed*/ /*just a pointer into mailmime structure, must not be freed*/
@@ -283,7 +283,7 @@ pub unsafe fn dc_e2ee_encrypt(
); );
mailmime_write_mem(plain, &mut col, message_to_encrypt); mailmime_write_mem(plain, &mut col, message_to_encrypt);
if (*plain).str_0.is_null() || (*plain).len <= 0 { if (*plain).str_0.is_null() || (*plain).len <= 0 {
current_block = 14181132614457621749; ok_to_continue = false;
} else { } else {
if let Some(ctext_v) = dc_pgp_pk_encrypt( if let Some(ctext_v) = dc_pgp_pk_encrypt(
(*plain).str_0 as *const libc::c_void, (*plain).str_0 as *const libc::c_void,
@@ -340,15 +340,10 @@ pub unsafe fn dc_e2ee_encrypt(
(*encrypted_part).mm_parent = in_out_message; (*encrypted_part).mm_parent = in_out_message;
mailmime_free(message_to_encrypt); mailmime_free(message_to_encrypt);
(*helper).encryption_successfull = 1i32; (*helper).encryption_successfull = 1i32;
current_block = 13824533195664196414;
} }
} }
} else {
current_block = 13824533195664196414;
} }
match current_block { if ok_to_continue {
14181132614457621749 => {}
_ => {
let aheader = Aheader::new(addr, public_key, prefer_encrypt); let aheader = Aheader::new(addr, public_key, prefer_encrypt);
mailimf_fields_add( mailimf_fields_add(
imffields_unprotected, imffields_unprotected,
@@ -362,7 +357,6 @@ pub unsafe fn dc_e2ee_encrypt(
} }
} }
} }
}
if !plain.is_null() { if !plain.is_null() {
mmap_string_free(plain); mmap_string_free(plain);
@@ -378,7 +372,7 @@ unsafe fn new_data_part(
default_content_type: *mut libc::c_char, default_content_type: *mut libc::c_char,
default_encoding: libc::c_int, default_encoding: libc::c_int,
) -> *mut mailmime { ) -> *mut mailmime {
let mut current_block: u64; let mut ok_to_continue = true;
//char basename_buf[PATH_MAX]; //char basename_buf[PATH_MAX];
let mut encoding: *mut mailmime_mechanism; let mut encoding: *mut mailmime_mechanism;
let content: *mut mailmime_content; let content: *mut mailmime_content;
@@ -398,7 +392,7 @@ unsafe fn new_data_part(
} }
content = mailmime_content_new_with_str(content_type_str); content = mailmime_content_new_with_str(content_type_str);
if content.is_null() { if content.is_null() {
current_block = 16266721588079097885; ok_to_continue = false;
} else { } else {
do_encoding = 1i32; do_encoding = 1i32;
if (*(*content).ct_type).tp_type == MAILMIME_TYPE_COMPOSITE_TYPE as libc::c_int { if (*(*content).ct_type).tp_type == MAILMIME_TYPE_COMPOSITE_TYPE as libc::c_int {
@@ -426,16 +420,10 @@ unsafe fn new_data_part(
} }
encoding = mailmime_mechanism_new(encoding_type, 0 as *mut libc::c_char); encoding = mailmime_mechanism_new(encoding_type, 0 as *mut libc::c_char);
if encoding.is_null() { if encoding.is_null() {
current_block = 16266721588079097885; ok_to_continue = false;
} else {
current_block = 11057878835866523405;
} }
} else {
current_block = 11057878835866523405;
} }
match current_block { if ok_to_continue {
16266721588079097885 => {}
_ => {
mime_fields = mailmime_fields_new_with_data( mime_fields = mailmime_fields_new_with_data(
encoding, encoding,
0 as *mut libc::c_char, 0 as *mut libc::c_char,
@@ -444,7 +432,7 @@ unsafe fn new_data_part(
0 as *mut mailmime_language, 0 as *mut mailmime_language,
); );
if mime_fields.is_null() { if mime_fields.is_null() {
current_block = 16266721588079097885; ok_to_continue = false;
} else { } else {
mime = mailmime_new_empty(content, mime_fields); mime = mailmime_new_empty(content, mime_fields);
if mime.is_null() { if mime.is_null() {
@@ -459,13 +447,11 @@ unsafe fn new_data_part(
} }
return mime; return mime;
} }
current_block = 13668317689588454213;
} }
} }
} }
}
match current_block { if ok_to_continue == false {
16266721588079097885 => {
if !encoding.is_null() { if !encoding.is_null() {
mailmime_mechanism_free(encoding); mailmime_mechanism_free(encoding);
} }
@@ -473,8 +459,6 @@ unsafe fn new_data_part(
mailmime_content_free(content); mailmime_content_free(content);
} }
} }
_ => {}
}
return 0 as *mut mailmime; return 0 as *mut mailmime;
} }
@@ -835,7 +819,7 @@ unsafe fn decrypt_part(
ret_valid_signatures: &mut HashSet<String>, ret_valid_signatures: &mut HashSet<String>,
ret_decrypted_mime: *mut *mut mailmime, ret_decrypted_mime: *mut *mut mailmime,
) -> libc::c_int { ) -> libc::c_int {
let current_block: u64; let mut ok_to_continue = true;
let mime_data: *mut mailmime_data; let mime_data: *mut mailmime_data;
let mut mime_transfer_encoding: libc::c_int = MAILMIME_MECHANISM_BINARY as libc::c_int; let mut mime_transfer_encoding: libc::c_int = MAILMIME_MECHANISM_BINARY as libc::c_int;
/* mmap_string_unref()'d if set */ /* mmap_string_unref()'d if set */
@@ -883,9 +867,7 @@ unsafe fn decrypt_part(
decoded_data_bytes = (*mime_data).dt_data.dt_text.dt_length; decoded_data_bytes = (*mime_data).dt_data.dt_text.dt_length;
if decoded_data.is_null() || decoded_data_bytes <= 0 { if decoded_data.is_null() || decoded_data_bytes <= 0 {
/* no error - but no data */ /* no error - but no data */
current_block = 2554982661806928548; ok_to_continue = false;
} else {
current_block = 4488286894823169796;
} }
} else { } else {
let r: libc::c_int; let r: libc::c_int;
@@ -902,18 +884,14 @@ unsafe fn decrypt_part(
|| transfer_decoding_buffer.is_null() || transfer_decoding_buffer.is_null()
|| decoded_data_bytes <= 0 || decoded_data_bytes <= 0
{ {
current_block = 2554982661806928548; ok_to_continue = false;
} else { } else {
decoded_data = transfer_decoding_buffer; decoded_data = transfer_decoding_buffer;
current_block = 4488286894823169796;
} }
} }
match current_block { if ok_to_continue {
2554982661806928548 => {}
_ => {
/* encrypted, decoded data in decoded_data now ... */ /* encrypted, decoded data in decoded_data now ... */
if !(0 == has_decrypted_pgp_armor(decoded_data, decoded_data_bytes as libc::c_int)) if !(0 == has_decrypted_pgp_armor(decoded_data, decoded_data_bytes as libc::c_int)) {
{
let add_signatures = if ret_valid_signatures.is_empty() { let add_signatures = if ret_valid_signatures.is_empty() {
Some(ret_valid_signatures) Some(ret_valid_signatures)
} else { } else {
@@ -952,7 +930,6 @@ unsafe fn decrypt_part(
} }
} }
} }
}
//mailmime_substitute(mime, new_mime); //mailmime_substitute(mime, new_mime);
//s. mailprivacy_gnupg.c::pgp_decrypt() //s. mailprivacy_gnupg.c::pgp_decrypt()
if !transfer_decoding_buffer.is_null() { if !transfer_decoding_buffer.is_null() {