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Make exciting improvements

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- Add Lua backtraces to redbean!
- Wipe serving keys after redbean forks
- Audit redbean to remove free via exit
- Log SSL client ciphersuite preferences
- Increase ASAN malloc() backtrace depth
- Make GetSslRoots() behave as a singleton
- Move leaks.c from LIBC_TESTLIB to LIBC_LOG
- Add undocumented %n to printf() for newlines
- Fix redbean memory leak reindexing inode change
- Fix redbean memory leak with Fetch() DNS object
- Restore original environ after __cxa_finalize()
- Make backtrace always work after __cxa_finalize()
- Introduce COUNTEXPR() diagnostic / benchmark tool
- Fix a few more instances of errno being clobbered
- Consolidate the ANSI color disabling internal APIs
This commit is contained in:
Justine Tunney 2022-03-18 02:33:37 -07:00
parent f5831a62fa
commit af645fcbec
61 changed files with 1354 additions and 814 deletions
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38
net/https/getsslroots.c
View file

@ -32,26 +32,40 @@
STATIC_YOINK("ssl_root_support");
static void FreeSslRoots(mbedtls_x509_crt *c) {
mbedtls_x509_crt_free(c);
free(c);
}
/**
* Returns singleton of SSL roots stored in /zip/usr/share/ssl/root/...
*/
mbedtls_x509_crt *GetSslRoots(void) {
int fd;
DIR *d;
uint8_t *p;
size_t n, m;
struct dirent *e;
mbedtls_x509_crt *c;
static bool once;
static mbedtls_x509_crt *c;
char path[PATH_MAX + 1];
c = calloc(1, sizeof(*c));
m = stpcpy(path, "/zip/usr/share/ssl/root/") - path;
if ((d = opendir(path))) {
while ((e = readdir(d))) {
if (e->d_type != DT_REG) continue;
if (m + (n = strlen(e->d_name)) > PATH_MAX) continue;
memcpy(path + m, e->d_name, n + 1);
CHECK((p = xslurp(path, &n)));
CHECK_GE(mbedtls_x509_crt_parse(c, p, n + 1), 0, "%s", path);
free(p);
if (!once) {
if ((c = calloc(1, sizeof(*c)))) {
m = stpcpy(path, "/zip/usr/share/ssl/root/") - path;
if ((d = opendir(path))) {
while ((e = readdir(d))) {
if (e->d_type != DT_REG) continue;
if (m + (n = strlen(e->d_name)) > PATH_MAX) continue;
memcpy(path + m, e->d_name, n + 1);
CHECK((p = xslurp(path, &n)));
CHECK_GE(mbedtls_x509_crt_parse(c, p, n + 1), 0, "%s", path);
free(p);
}
closedir(d);
}
__cxa_atexit(FreeSslRoots, c, 0);
}
closedir(d);
once = true;
}
return c;
}