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Code Issues 1 Releases Wiki Activity

Add more sandbox asserts in os/open

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This commit is contained in:
Calvin Rose
2026-08-29 07:50:18 -05:00
parent b534bd11e3
commit 5f702d57f6
1 changed files with 8 additions and 0 deletions
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src/core/os.c
+8
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@@ -2837,15 +2837,19 @@ JANET_CORE_FN(os_open,
break;
case OCREAT:
creationDisp = OPEN_ALWAYS;
janet_sandbox_assert(JANET_SANDBOX_FS_WRITE | JANET_SANDBOX_FS_READ);
break;
case OCREAT + OEXCL:
creationDisp = CREATE_NEW;
janet_sandbox_assert(JANET_SANDBOX_FS_WRITE);
break;
case OCREAT + OTRUNC:
creationDisp = CREATE_ALWAYS;
janet_sandbox_assert(JANET_SANDBOX_FS_WRITE);
break;
case OTRUNC:
creationDisp = TRUNCATE_EXISTING;
janet_sandbox_assert(JANET_SANDBOX_FS_WRITE);
break;
}
if (fileAttributes == 0) {
@@ -2900,6 +2904,7 @@ JANET_CORE_FN(os_open,
break;
case 'a':
open_flags |= O_APPEND;
janet_sandbox_assert(JANET_SANDBOX_FS_WRITE);
break;
case 'N':
open_flags &= ~O_NONBLOCK;
@@ -2910,10 +2915,13 @@ JANET_CORE_FN(os_open,
/* If both read and write, fix up to O_RDWR */
if (read_flag && !write_flag) {
open_flags |= O_RDONLY;
janet_sandbox_assert(JANET_SANDBOX_FS_READ);
} else if (write_flag && !read_flag) {
open_flags |= O_WRONLY;
janet_sandbox_assert(JANET_SANDBOX_FS_WRITE);
} else {
open_flags |= O_RDWR;
janet_sandbox_assert(JANET_SANDBOX_FS_WRITE | JANET_SANDBOX_FS_READ);
}
do {