Comments (2)
JeromySt
commented on July 28, 2024
1
Thank you for the example!
Quite helpful. I was iterating over quite a few different methods (new to Rust, so sorry about the simple questions), but could not get Vec::u8::new() to do the same thing that you just did with vec![0; 256]. Trying to figure out how to get a &mut [u8] from Vec<u8> was driving me up a wall, but I also was trying to use the API, like I did from C#.
I leveraged your example below and all seems in order.
I will close the issue, unless you'd like to use it to track the missing [Optional] metadata issue.
tx
Jeromy Statia
…________________________________
From: Rafael Rivera ***@***.***>
Sent: Tuesday, March 26, 2024 8:26 PM
To: microsoft/dia-rs ***@***.***>
Cc: Mention ***@***.***>; Author ***@***.***>
Subject: Re: [microsoft/dia-rs] Dia::IDiaSourceFile::get_checksum implementation does not work properly (Issue #18)
Hey @JeromySt<https://github.com/JeromySt>, here's a sample. It's slightly inefficient; it allocates a 256 byte buffer up front, due to get_checksum not accepting a null pbdata. (This is a crate metadata issue, this method parameter isn't marked as [Optional]. I'll get this fixed.)
[package]
name = "sample_checksum"
version = "0.1.0"
edition = "2021"
publish = false
[dependencies.windows]
version = "0.53"
features = [
"implement",
"Win32_Foundation",
"Win32_System_Com",
"Win32_System_LibraryLoader",
"Win32_System_Com_StructuredStorage",
"Win32_System_Ole"
]
[dependencies.microsoft-dia]
version = "0.10.0"
use microsoft_dia::{nsNone, DiaSource, IDiaDataSource, SymTagCompiland};
use windows::{
core::*,
Win32::System::Com::{CoInitializeEx, COINIT_MULTITHREADED},
};
fn main() -> Result<()> {
unsafe {
// Initialize COM and DIA
CoInitializeEx(None, COINIT_MULTITHREADED).ok()?;
let source: IDiaDataSource = microsoft_dia::helpers::NoRegCoCreate(
s!(
r#"C:\Program Files\Microsoft Visual Studio\2022\Enterprise\DIA SDK\bin\amd64\msdia140.dll"#
),
&DiaSource,
)?;
// Open session against own symbols
let executable = std::env::current_exe().unwrap();
source.loadDataForExe(&HSTRING::from(executable.as_os_str()), None, None)?;
let session = source.openSession()?;
// Get compilands
let symbols =
session
.globalScope()?
.findChildren(SymTagCompiland, None, nsNone.0 as u32)?;
// Get source files
for i in 0..symbols.Count()? {
let symbol = symbols.Item(i as u32)?;
let files = session.findFile(&symbol, PCWSTR::null(), nsNone.0 as u32)?;
// Find files with a checksum and print out details
for j in 0..files.Count()? {
let file = files.Item(j as u32)?;
if file.checksumType()? == 0 {
continue;
}
let mut byte_count = 0u32;
let mut bytes = vec![0; 256];
file.get_checksum(&mut byte_count, &mut bytes)?;
bytes.set_len(byte_count as usize);
println!("File: {}", file.fileName()?);
println!(
"{:02x}: {}\n",
file.checksumType()?,
bytes
.iter()
.map(|b| format!("{:02x}", b).to_string())
.collect::<String>()
);
}
}
Ok(())
}
}
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riverar
commented on July 28, 2024
Hey @JeromySt, here's a sample. It's slightly inefficient; it allocates a 256 byte buffer up front, due to get_checksum not accepting a null pbdata. (This is a crate metadata issue, this method parameter isn't marked as [Optional]. I'll get this fixed.)
[package]
name = "sample_checksum"
version = "0.1.0"
edition = "2021"
publish = false
[dependencies.windows]
version = "0.53"
[dependencies.microsoft-dia]
version = "0.10.0"use microsoft_dia::{nsNone, DiaSource, IDiaDataSource, SymTagCompiland};
use windows::{
core::*,
Win32::System::Com::{CoInitializeEx, COINIT_MULTITHREADED},
};
fn main() -> Result<()> {
unsafe {
// Initialize COM and DIA
CoInitializeEx(None, COINIT_MULTITHREADED).ok()?;
let source: IDiaDataSource = microsoft_dia::helpers::NoRegCoCreate(
s!(
r#"C:\Program Files\Microsoft Visual Studio\2022\Enterprise\DIA SDK\bin\amd64\msdia140.dll"#
),
&DiaSource,
)?;
// Open session against own symbols
let executable = std::env::current_exe().unwrap();
source.loadDataForExe(&HSTRING::from(executable.as_os_str()), None, None)?;
let session = source.openSession()?;
// Get compilands
let symbols =
session
.globalScope()?
.findChildren(SymTagCompiland, None, nsNone.0 as u32)?;
// Get source files
for i in 0..symbols.Count()? {
let symbol = symbols.Item(i as u32)?;
let files = session.findFile(&symbol, PCWSTR::null(), nsNone.0 as u32)?;
// Find files with a checksum and print out details
for j in 0..files.Count()? {
let file = files.Item(j as u32)?;
if file.checksumType()? == 0 {
continue;
}
let mut byte_count = 0u32;
let mut bytes = vec![0; 256];
file.get_checksum(&mut byte_count, &mut bytes)?;
bytes.truncate(byte_count as usize);
println!("File: {}", file.fileName()?);
println!(
"{:02x}: {}\n",
file.checksumType()?,
bytes
.iter()
.map(|b| format!("{:02x}", b).to_string())
.collect::<String>()
);
}
}
Ok(())
}
}from dia-rs.
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