Add tests for dc_extract_grpid_from_rfc724_mid and implement safe

version of dc_extract_grpid_from_rfc724_mid
This commit is contained in:
jikstra
2019-08-03 14:34:38 +02:00
committed by Floris Bruynooghe
parent 7b5073b634
commit 282f964f2f

View File

@@ -803,38 +803,29 @@ pub unsafe fn dc_create_outgoing_rfc724_mid(
ret
}
pub unsafe fn dc_extract_grpid_from_rfc724_mid(mid: *const libc::c_char) -> *mut libc::c_char {
pub fn dc_extract_grpid_from_rfc724_mid_r(mid: String) -> Option<String> {
/* extract our group ID from Message-IDs as `Gr.12345678901.morerandom@domain.de`; "12345678901" is the wanted ID in this example. */
let mut success: libc::c_int = 0i32;
let mut grpid: *mut libc::c_char = 0 as *mut libc::c_char;
let p1: *mut libc::c_char;
let grpid_len: libc::c_int;
if !(mid.is_null()
|| strlen(mid) < 8
|| *mid.offset(0isize) as libc::c_int != 'G' as i32
|| *mid.offset(1isize) as libc::c_int != 'r' as i32
|| *mid.offset(2isize) as libc::c_int != '.' as i32)
{
grpid = dc_strdup(&*mid.offset(3isize));
p1 = strchr(grpid, '.' as i32);
if !p1.is_null() {
*p1 = 0i32 as libc::c_char;
grpid_len = strlen(grpid) as libc::c_int;
if !(grpid_len != 11i32 && grpid_len != 16i32) {
/* strict length comparison, the 'Gr.' magic is weak enough */
success = 1i32
if !(mid.len() > 8 && mid.starts_with("Gr.")) {
return None;
}
if let Some(mid_without_offset) = mid.get(3..) {
if let Some(grpid_len) = mid_without_offset.find('.') {
/* strict length comparison, the 'Gr.' magic is weak enough */
if grpid_len == 11 || grpid_len == 16 {
return Some(mid_without_offset.get(0..grpid_len).unwrap().to_string());
}
}
}
if success == 0i32 {
free(grpid as *mut libc::c_void);
grpid = 0 as *mut libc::c_char
None
}
pub fn dc_extract_grpid_from_rfc724_mid(mid: *const libc::c_char) -> *mut libc::c_char {
if let Some(grpid) = dc_extract_grpid_from_rfc724_mid_r(to_string(mid)) {
return unsafe { to_cstring(grpid) };
}
return if 0 != success {
grpid
} else {
0 as *mut libc::c_char
};
0 as *mut libc::c_char
}
pub unsafe fn dc_extract_grpid_from_rfc724_mid_list(list: *const clist) -> *mut libc::c_char {
@@ -846,9 +837,9 @@ pub unsafe fn dc_extract_grpid_from_rfc724_mid_list(list: *const clist) -> *mut
} else {
0 as *mut libc::c_void
}) as *const libc::c_char;
let grpid: *mut libc::c_char = dc_extract_grpid_from_rfc724_mid(mid);
if !grpid.is_null() {
return grpid;
let grpid = dc_extract_grpid_from_rfc724_mid_r(to_string(mid));
if !grpid.is_none() {
return to_cstring(grpid.unwrap());
}
cur = if !cur.is_null() {
(*cur).next
@@ -2126,4 +2117,36 @@ mod tests {
assert_eq!(cmp, 0);
}
}
#[test]
fn test_dto_cstringto_cstringc_extract_grpid_from_rfc724_mid() {
unsafe {
// Should return 0 if we pass invalid mid
let str = b"foobar\x00" as *const u8 as *const libc::c_char;
let grpid: *mut libc::c_char = dc_extract_grpid_from_rfc724_mid(str);
assert_eq!(grpid, 0 as *mut libc::c_char);
free(grpid as *mut libc::c_void);
// Should return 0 if grpid has a length which is not 11 or 16
let str = b"Gr.12345678.morerandom@domain.de\x00" as *const u8 as *const libc::c_char;
let grpid: *mut libc::c_char = dc_extract_grpid_from_rfc724_mid(str);
assert_eq!(grpid, 0 as *mut libc::c_char);
free(grpid as *mut libc::c_void);
// Should return extracted grpid for grpid with length of 11
let str =
b"Gr.12345678901.morerandom@domain.de\x00" as *const u8 as *const libc::c_char;
let grpid: *mut libc::c_char = dc_extract_grpid_from_rfc724_mid(str);
assert_eq!(to_string(grpid), "12345678901");
free(grpid as *mut libc::c_void);
// Should return extracted grpid for grpid with length of 11
let str =
b"Gr.1234567890123456.morerandom@domain.de\x00" as *const u8 as *const libc::c_char;
let grpid: *mut libc::c_char = dc_extract_grpid_from_rfc724_mid(str);
assert_eq!(to_string(grpid), "1234567890123456");
free(grpid as *mut libc::c_void);
}
}
}