diff options
Diffstat (limited to 'win32/winutil.c')
| -rw-r--r-- | win32/winutil.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/win32/winutil.c b/win32/winutil.c index 366a48bb11..18f890fb33 100644 --- a/win32/winutil.c +++ b/win32/winutil.c @@ -22,6 +22,8 @@ #include "codepage.h" #include <bcrypt.h> #include <lmcons.h> +#include <imagehlp.h> + PHP_WINUTIL_API char *php_win32_error_to_msg(HRESULT error) {/*{{{*/ @@ -435,3 +437,38 @@ PHP_WINUTIL_API char *php_win32_get_username(void) return uname; }/*}}}*/ + +PHP_WINUTIL_API BOOL php_win32_image_compatible(const char *name, const char *path, char **err) +{/*{{{*/ + PLOADED_IMAGE img = ImageLoad(name, NULL); + + if (!img) { + DWORD _err = GetLastError(); + char *err_txt = php_win32_error_to_msg(_err); + spprintf(err, 0, "Failed to load %s, %s", name, err_txt); + free(err_txt); + return FALSE; + } + + DWORD major = img->FileHeader->OptionalHeader.MajorLinkerVersion; + DWORD minor = img->FileHeader->OptionalHeader.MinorLinkerVersion; + + /* VS 2015, 2017 and 2019 are binary compatible, but only forward compatible. + It should be fine, if we load a module linked with an older one into + the core linked with the newer one, but not the otherway round. + Otherwise, if the linker major version is not same, it is an error, as + per the current knowledge. + + This check is to be extended as new VS versions come out. */ + if (14 == major && PHP_LINKER_MINOR < minor + || PHP_LINKER_MAJOR != major) { + spprintf(err, 0, "Can't load module '%s' as it's linked with %u.%u, but the core is linked with %d.%d", name, major, minor, PHP_LINKER_MAJOR, PHP_LINKER_MINOR); + ImageUnload(img); + return FALSE; + } + + ImageUnload(img); + + return TRUE; +}/*}}}*/ + |