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authormidipix <writeonce@midipix.org>2023-02-07 18:21:19 +0000
committermidipix <writeonce@midipix.org>2023-02-07 19:38:26 +0000
commitfd587ce6cc086b1ef9e17fc91d6d9af0c02bac26 (patch)
treea364ec9733ed9bcfd0ed6ba0eece8ca885cc1eda /src/process
parent8ce81d1f47a399fffa868cdb38a4947cd47947de (diff)
downloadntapi-fd587ce6cc086b1ef9e17fc91d6d9af0c02bac26.tar.bz2
ntapi-fd587ce6cc086b1ef9e17fc91d6d9af0c02bac26.tar.xz
__ntapi_tt_spawn_native_process(): propagate the w32_envp array as needed.
Diffstat (limited to 'src/process')
-rw-r--r--src/process/ntapi_tt_spawn_native_process.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/src/process/ntapi_tt_spawn_native_process.c b/src/process/ntapi_tt_spawn_native_process.c
index 8e0623a..3417e0d 100644
--- a/src/process/ntapi_tt_spawn_native_process.c
+++ b/src/process/ntapi_tt_spawn_native_process.c
@@ -63,6 +63,11 @@ int32_t __stdcall __ntapi_tt_spawn_native_process(nt_spawn_process_params * spar
char * patharg;
void * hat;
void * hfile;
+ char * src;
+ char * dst;
+ int envc;
+ char ** penv;
+ char ** pref;
char ** parg;
char ** rargv;
char ** renvp;
@@ -74,6 +79,8 @@ int32_t __stdcall __ntapi_tt_spawn_native_process(nt_spawn_process_params * spar
uint32_t fsuspended;
size_t buflen;
size_t written;
+ size_t needed;
+ uintptr_t addr;
char * raddr;
size_t rsize;
@@ -230,6 +237,49 @@ int32_t __stdcall __ntapi_tt_spawn_native_process(nt_spawn_process_params * spar
wch += written/sizeof(wchar16_t);
buflen -= written;
+ /* w32 environment */
+ if (rtctx->w32_envp) {
+ addr = (uintptr_t)wch;
+ addr += sizeof(uintptr_t) - 1;
+ addr /= sizeof(uintptr_t);
+ addr *= sizeof(uintptr_t);
+
+ penv = rtctx->w32_envp;
+ needed = sizeof(char *);
+
+ for (envc=0; *penv; envc++) {
+ needed += sizeof(char *);
+ needed += __ntapi->tt_string_null_offset_multibyte(*penv);
+ penv++;
+ }
+
+ needed += sizeof(uintptr_t) - 1;
+ needed /= sizeof(uintptr_t);
+ needed *= sizeof(uintptr_t);
+
+ if (buflen < needed)
+ return __tt_spawn_return(
+ &rtblock,0,0,NT_STATUS_BUFFER_TOO_SMALL);
+
+ rdata->w32_envp = (char **)(addr - (uintptr_t)rtblock.addr);
+
+ pref = (char **)addr;
+ dst = (char *)&pref[++envc];
+
+
+ for (penv=rtctx->w32_envp; *penv; penv++) {
+ *pref++ = dst - (uintptr_t)rtblock.addr;
+
+ for (src=*penv; *src; src++,dst++)
+ *dst = *src;
+
+ *dst++ = 0;
+ }
+
+ wch += needed / sizeof(wchar16_t);
+ buflen -= needed;
+ }
+
if (buflen < 0x10000)
return __tt_spawn_return(
&rtblock,0,0,NT_STATUS_BUFFER_TOO_SMALL);