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Make redbean StoreAsset() work better

Browse source 
- Better UBSAN error messages
- POSIX Advisory Locks polyfills
- Move redbean manual to /.help.txt
- System call memory safety in ASAN mode
- Character classification now does UNICODE
This commit is contained in:
Justine Tunney 2021-05-14 05:36:58 -07:00
parent 919b6fec10
commit 690be544da
228 changed files with 3653 additions and 3015 deletions
Download patch file Download diff file Expand all files Collapse all files

126
net/http/escapejsstringliteral.c
View file

@ -16,11 +16,23 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/likely.h"
#include "libc/str/thompike.h"
#include "libc/str/utf16.h"
#include "libc/x/x.h"
#include "net/http/escape.h"
static const char kEscapeLiteral[128] = {
9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 2, 9, 4, 3, 9, 9, // 0x00
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // 0x10
0, 0, 7, 0, 0, 0, 9, 8, 0, 0, 0, 0, 0, 0, 0, 6, // 0x20
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 0, // 0x30
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x40
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, // 0x50
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x60
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, // 0x70
};
/**
* Escapes UTF-8 data for JavaScript or JSON string literal.
*
@ -66,141 +78,51 @@ char *EscapeJsStringLiteral(const char *p, size_t n, size_t *z) {
}
}
}
switch (x) {
case ' ':
case '!':
case '#':
case '$':
case '%':
case '(':
case ')':
case '*':
case '+':
case ',':
case '-':
case '.':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case ':':
case ';':
case '?':
case '@':
case 'A':
case 'B':
case 'C':
case 'D':
case 'E':
case 'F':
case 'G':
case 'H':
case 'I':
case 'J':
case 'K':
case 'L':
case 'M':
case 'N':
case 'O':
case 'P':
case 'Q':
case 'R':
case 'S':
case 'T':
case 'U':
case 'V':
case 'W':
case 'X':
case 'Y':
case 'Z':
case '[':
case ']':
case '^':
case '_':
case '`':
case 'a':
case 'b':
case 'c':
case 'd':
case 'e':
case 'f':
case 'g':
case 'h':
case 'i':
case 'j':
case 'k':
case 'l':
case 'm':
case 'n':
case 'o':
case 'p':
case 'q':
case 'r':
case 's':
case 't':
case 'u':
case 'v':
case 'w':
case 'x':
case 'y':
case 'z':
case '{':
case '|':
case '}':
case '~':
switch (0 <= x && x <= 127 ? kEscapeLiteral[x] : 9) {
case 0:
*q++ = x;
break;
case '\t':
case 1:
q[0] = '\\';
q[1] = 't';
q += 2;
break;
case '\n':
case 2:
q[0] = '\\';
q[1] = 'n';
q += 2;
break;
case '\r':
case 3:
q[0] = '\\';
q[1] = 'r';
q += 2;
break;
case '\f':
case 4:
q[0] = '\\';
q[1] = 'f';
q += 2;
break;
case '\\':
case 5:
q[0] = '\\';
q[1] = '\\';
q += 2;
break;
case '/':
case 6:
q[0] = '\\';
q[1] = '/';
q += 2;
break;
case '"':
case 7:
q[0] = '\\';
q[1] = '"';
q += 2;
break;
case '\'':
case 8:
q[0] = '\\';
q[1] = '\'';
q += 2;
break;
case '<':
case '>':
case '&':
case '=':
default:
case 9:
w = EncodeUtf16(x);
do {
q[0] = '\\';
@ -212,6 +134,8 @@ char *EscapeJsStringLiteral(const char *p, size_t n, size_t *z) {
q += 6;
} while ((w >>= 16));
break;
default:
unreachable;
}
}
if (z) *z = q - r;