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| author | Guido van Rossum <guido@python.org> | 1992-08-14 15:12:03 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1992-08-14 15:12:03 (GMT) |
| commit | 96caaee8360762683629c4e6c440a2854f89983c (patch) | |
| tree | c0a6d4428f86c8ea8353a560edf2cc86f8c31ce7 /Python/modsupport.c | |
| parent | 6d946f98bd233efa676b7a05cb01cd0ca92549c0 (diff) | |
| download | cpython-96caaee8360762683629c4e6c440a2854f89983c.zip cpython-96caaee8360762683629c4e6c440a2854f89983c.tar.gz cpython-96caaee8360762683629c4e6c440a2854f89983c.tar.bz2 | |
check for embedded \0 in strings for z and s formats
Diffstat (limited to 'Python/modsupport.c')
| -rw-r--r-- | Python/modsupport.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/Python/modsupport.c b/Python/modsupport.c index 9f7a5b5..352a5fb 100644 --- a/Python/modsupport.c +++ b/Python/modsupport.c @@ -206,6 +206,10 @@ do_arg(arg, p_format, p_va) *q = getstringsize(arg); format++; } + else if (strlen(*p) != getstringsize(arg)) { + err_setstr(ValueError, "embedded '\\0' in string arg"); + return 0; + } break; } @@ -225,6 +229,10 @@ do_arg(arg, p_format, p_va) *q = getstringsize(arg); format++; } + else if (*p != NULL && strlen(*p) != getstringsize(arg)) { + err_setstr(ValueError, "embedded '\\0' in string arg"); + return 0; + } break; } @@ -292,8 +300,11 @@ int getargs(va_alist) va_dcl va_end(va); if (!ok) { char buf[256]; - sprintf(buf, "bad argument list (format '%s')", format); - err_setstr(TypeError, buf); + if (!err_occurred()) { + sprintf(buf, "bad argument list (format '%s')", + format); + err_setstr(TypeError, buf); + } } return ok; } |