-
Notifications
You must be signed in to change notification settings - Fork 1.4k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Showing
16 changed files
with
1,806 additions
and
4,965 deletions.
There are no files selected for viewing
Large diffs are not rendered by default.
Oops, something went wrong.
Large diffs are not rendered by default.
Oops, something went wrong.
Large diffs are not rendered by default.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,195 @@ | ||
| /* Copyright (C) 2022 Open Information Security Foundation | ||
| * | ||
| * You can copy, redistribute or modify this Program under the terms of | ||
| * the GNU General Public License version 2 as published by the Free | ||
| * Software Foundation. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * version 2 along with this program; if not, write to the Free Software | ||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
| * 02110-1301, USA. | ||
| */ | ||
|
|
||
| use super::mime; | ||
| use crate::jsonbuilder::{JsonBuilder, JsonError}; | ||
| use crate::mime::smtp::{MimeSmtpMd5State, MimeStateSMTP}; | ||
| use digest::Digest; | ||
| use digest::Update; | ||
| use md5::Md5; | ||
| use std::ffi::CStr; | ||
|
|
||
| fn log_subject_md5(js: &mut JsonBuilder, ctx: &mut MimeStateSMTP) -> Result<(), JsonError> { | ||
| for h in &ctx.headers[..ctx.main_headers_nb] { | ||
| if mime::slice_equals_lowercase(&h.name, b"subject") { | ||
| let hash = format!("{:x}", Md5::new().chain(&h.value).finalize()); | ||
| js.set_string("subject_md5", &hash)?; | ||
| break; | ||
| } | ||
| } | ||
| return Ok(()); | ||
| } | ||
|
|
||
| #[no_mangle] | ||
| pub unsafe extern "C" fn SCMimeSmtpLogSubjectMd5( | ||
| js: &mut JsonBuilder, ctx: &mut MimeStateSMTP, | ||
| ) -> bool { | ||
| return log_subject_md5(js, ctx).is_ok(); | ||
| } | ||
|
|
||
| fn log_body_md5(js: &mut JsonBuilder, ctx: &mut MimeStateSMTP) -> Result<(), JsonError> { | ||
| if ctx.md5_state == MimeSmtpMd5State::MimeSmtpMd5Completed { | ||
| let hash = format!("{:x}", ctx.md5_result); | ||
| js.set_string("body_md5", &hash)?; | ||
| } | ||
| return Ok(()); | ||
| } | ||
|
|
||
| #[no_mangle] | ||
| pub unsafe extern "C" fn SCMimeSmtpLogBodyMd5( | ||
| js: &mut JsonBuilder, ctx: &mut MimeStateSMTP, | ||
| ) -> bool { | ||
| return log_body_md5(js, ctx).is_ok(); | ||
| } | ||
|
|
||
| fn log_field_array( | ||
| js: &mut JsonBuilder, ctx: &mut MimeStateSMTP, c: &str, e: &str, | ||
| ) -> Result<(), JsonError> { | ||
| let mark = js.get_mark(); | ||
| let mut found = false; | ||
| js.open_array(c)?; | ||
|
|
||
| for h in &ctx.headers[..ctx.main_headers_nb] { | ||
| if mime::slice_equals_lowercase(&h.name, e.as_bytes()) { | ||
| found = true; | ||
| js.append_string(&String::from_utf8_lossy(&h.value))?; | ||
| } | ||
| } | ||
|
|
||
| if found { | ||
| js.close()?; | ||
| } else { | ||
| js.restore_mark(&mark)?; | ||
| } | ||
|
|
||
| return Ok(()); | ||
| } | ||
|
|
||
| #[no_mangle] | ||
| pub unsafe extern "C" fn SCMimeSmtpLogFieldArray( | ||
| js: &mut JsonBuilder, ctx: &mut MimeStateSMTP, email: *const std::os::raw::c_char, | ||
| config: *const std::os::raw::c_char, | ||
| ) -> bool { | ||
| let e: &CStr = CStr::from_ptr(email); //unsafe | ||
| if let Ok(email_field) = e.to_str() { | ||
| let c: &CStr = CStr::from_ptr(config); //unsafe | ||
| if let Ok(config_field) = c.to_str() { | ||
| return log_field_array(js, ctx, config_field, email_field).is_ok(); | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| fn log_field_comma( | ||
| js: &mut JsonBuilder, ctx: &mut MimeStateSMTP, c: &str, e: &str, | ||
| ) -> Result<(), JsonError> { | ||
| for h in &ctx.headers[..ctx.main_headers_nb] { | ||
| if mime::slice_equals_lowercase(&h.name, e.as_bytes()) { | ||
| js.open_array(c)?; | ||
| for s in h.value.split(|c| *c == b',') { | ||
| js.append_string(&String::from_utf8_lossy(s))?; | ||
| } | ||
| js.close()?; | ||
| break; | ||
| } | ||
| } | ||
| return Ok(()); | ||
| } | ||
|
|
||
| #[no_mangle] | ||
| pub unsafe extern "C" fn SCMimeSmtpLogFieldComma( | ||
| js: &mut JsonBuilder, ctx: &mut MimeStateSMTP, email: *const std::os::raw::c_char, | ||
| config: *const std::os::raw::c_char, | ||
| ) -> bool { | ||
| let e: &CStr = CStr::from_ptr(email); //unsafe | ||
| if let Ok(email_field) = e.to_str() { | ||
| let c: &CStr = CStr::from_ptr(config); //unsafe | ||
| if let Ok(config_field) = c.to_str() { | ||
| return log_field_comma(js, ctx, config_field, email_field).is_ok(); | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| fn log_field_string( | ||
| js: &mut JsonBuilder, ctx: &mut MimeStateSMTP, c: &str, e: &str, | ||
| ) -> Result<(), JsonError> { | ||
| for h in &ctx.headers[..ctx.main_headers_nb] { | ||
| if mime::slice_equals_lowercase(&h.name, e.as_bytes()) { | ||
| js.set_string(c, &String::from_utf8_lossy(&h.value))?; | ||
| break; | ||
| } | ||
| } | ||
| return Ok(()); | ||
| } | ||
|
|
||
| #[no_mangle] | ||
| pub unsafe extern "C" fn SCMimeSmtpLogFieldString( | ||
| js: &mut JsonBuilder, ctx: &mut MimeStateSMTP, email: *const std::os::raw::c_char, | ||
| config: *const std::os::raw::c_char, | ||
| ) -> bool { | ||
| let e: &CStr = CStr::from_ptr(email); //unsafe | ||
| if let Ok(email_field) = e.to_str() { | ||
| let c: &CStr = CStr::from_ptr(config); //unsafe | ||
| if let Ok(config_field) = c.to_str() { | ||
| return log_field_string(js, ctx, config_field, email_field).is_ok(); | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| fn log_data_header( | ||
| js: &mut JsonBuilder, ctx: &mut MimeStateSMTP, hname: &str, | ||
| ) -> Result<(), JsonError> { | ||
| for h in &ctx.headers[..ctx.main_headers_nb] { | ||
| if mime::slice_equals_lowercase(&h.name, hname.as_bytes()) { | ||
| js.set_string(hname, &String::from_utf8_lossy(&h.value))?; | ||
| break; | ||
| } | ||
| } | ||
| return Ok(()); | ||
| } | ||
|
|
||
| fn log_data(js: &mut JsonBuilder, ctx: &mut MimeStateSMTP) -> Result<(), JsonError> { | ||
| log_data_header(js, ctx, "from")?; | ||
| log_field_comma(js, ctx, "to", "to")?; | ||
| log_field_comma(js, ctx, "cc", "cc")?; | ||
|
|
||
| js.set_string("status", "PARSE_DONE")?; | ||
|
|
||
| if !ctx.attachments.is_empty() { | ||
| js.open_array("attachment")?; | ||
| for a in &ctx.attachments { | ||
| js.append_string(&String::from_utf8_lossy(a))?; | ||
| } | ||
| js.close()?; | ||
| } | ||
| if !ctx.urls.is_empty() { | ||
| js.open_array("url")?; | ||
| for a in ctx.urls.iter().rev() { | ||
| js.append_string(&String::from_utf8_lossy(a))?; | ||
| } | ||
| js.close()?; | ||
| } | ||
|
|
||
| return Ok(()); | ||
| } | ||
|
|
||
| #[no_mangle] | ||
| pub unsafe extern "C" fn SCMimeSmtpLogData(js: &mut JsonBuilder, ctx: &mut MimeStateSMTP) -> bool { | ||
| return log_data(js, ctx).is_ok(); | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.