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dmnt2: fix module name detection, add auto-break on hb nro launch

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This commit is contained in:
Michael Scire
2021-11-01 21:43:29 -07:00
committed by SciresM
parent c17ad1e0e3
commit e3d2af6b3f
3 changed files with 50 additions and 13 deletions
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10
stratosphere/creport/source/creport_modules.cpp
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@@ -27,7 +27,7 @@ namespace ams::creport {
struct ModulePath {
u32 zero;
u32 path_length;
s32 path_length;
char path[ModulePathLengthMax];
};
static_assert(sizeof(ModulePath) == 0x208, "ModulePath definition!");
@@ -210,7 +210,7 @@ namespace ams::creport {
}
/* Also validate that we're looking at a valid name. */
if (rodata_start.module_path.zero != 0 || rodata_start.module_path.path_length != strnlen(rodata_start.module_path.path, sizeof(rodata_start.module_path.path))) {
if (rodata_start.module_path.zero != 0 || rodata_start.module_path.path_length <= 0)) {
return;
}
}
@@ -219,7 +219,7 @@ namespace ams::creport {
/* Start after last slash in path. */
const char *path = rodata_start.module_path.path;
int ofs;
for (ofs = rodata_start.module_path.path_length; ofs >= 0; ofs--) {
for (ofs = std::min<size_t>(rodata_start.module_path.path_length, sizeof(rodata_start.module_path.path)); ofs >= 0; ofs--) {
if (path[ofs] == '/' || path[ofs] == '\\') {
break;
}
@@ -227,8 +227,8 @@ namespace ams::creport {
ofs++;
/* Copy name to output. */
const size_t name_size = std::min(ModuleNameLengthMax, sizeof(rodata_start.module_path.path) - ofs);
std::strncpy(out_name, path + ofs, name_size);
const size_t name_size = std::min(ModuleNameLengthMax, std::min<size_t>(rodata_start.module_path.path_length, sizeof(rodata_start.module_path.path)) - ofs);
std::memcpy(out_name, path + ofs, name_size);
out_name[ModuleNameLengthMax - 1] = '\x00';
}