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Improve system call support

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This commit is contained in:
Justine Tunney 2021-08-25 21:35:58 -07:00
parent 63b867bd2f
commit 3085ac7837
65 changed files with 900 additions and 544 deletions
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33
tool/build/runit.c
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@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/bits/bits.h"
#include "libc/bits/safemacros.internal.h"
#include "libc/calls/calls.h"
@ -27,6 +28,7 @@
#include "libc/log/check.h"
#include "libc/log/log.h"
#include "libc/macros.internal.h"
#include "libc/nexgen32e/crc32.h"
#include "libc/runtime/gc.internal.h"
#include "libc/sock/ipclassify.internal.h"
#include "libc/stdio/stdio.h"
@ -135,7 +137,6 @@ nodiscard char *MakeDeployScript(struct addrinfo *remotenic, size_t combytes) {
const char *ip4 = (const char *)&remotenic->ai_addr4->sin_addr;
return xasprintf("mkdir -p o/ && "
"dd bs=%zu count=%zu of=o/runitd.$$.com 2>/dev/null && "
"exec <&- && "
"chmod +x o/runitd.$$.com && "
"o/runitd.$$.com -rdl%hhu.%hhu.%hhu.%hhu -p %hu && "
"rm -f o/runitd.$$.com",
@ -293,9 +294,10 @@ void SendRequest(void) {
char *p;
size_t i;
ssize_t rc;
uint32_t crc;
struct stat st;
const char *name;
unsigned char *hdr;
unsigned char *hdr, *q;
size_t progsize, namesize, hdrsize;
DEBUGF("running %s on %s", g_prog, g_hostname);
CHECK_NE(-1, (fd = open(g_prog, O_RDONLY)));
@ -303,21 +305,16 @@ void SendRequest(void) {
CHECK_NE(MAP_FAILED, (p = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0)));
CHECK_LE((namesize = strlen((name = basename(g_prog)))), PATH_MAX);
CHECK_LE((progsize = st.st_size), INT_MAX);
CHECK_NOTNULL((hdr = gc(calloc(1, (hdrsize = 4 + 1 + 4 + 4 + namesize)))));
hdr[0 + 0] = (unsigned char)((unsigned)RUNITD_MAGIC >> 030);
hdr[0 + 1] = (unsigned char)((unsigned)RUNITD_MAGIC >> 020);
hdr[0 + 2] = (unsigned char)((unsigned)RUNITD_MAGIC >> 010);
hdr[0 + 3] = (unsigned char)((unsigned)RUNITD_MAGIC >> 000);
hdr[4 + 0] = kRunitExecute;
hdr[5 + 0] = (unsigned char)((unsigned)namesize >> 030);
hdr[5 + 1] = (unsigned char)((unsigned)namesize >> 020);
hdr[5 + 2] = (unsigned char)((unsigned)namesize >> 010);
hdr[5 + 3] = (unsigned char)((unsigned)namesize >> 000);
hdr[9 + 0] = (unsigned char)((unsigned)progsize >> 030);
hdr[9 + 1] = (unsigned char)((unsigned)progsize >> 020);
hdr[9 + 2] = (unsigned char)((unsigned)progsize >> 010);
hdr[9 + 3] = (unsigned char)((unsigned)progsize >> 000);
memcpy(&hdr[4 + 1 + 4 + 4], name, namesize);
CHECK_NOTNULL((hdr = gc(calloc(1, (hdrsize = 17 + namesize)))));
crc = crc32_z(0, p, st.st_size);
q = hdr;
q = WRITE32BE(q, RUNITD_MAGIC);
*q++ = kRunitExecute;
q = WRITE32BE(q, namesize);
q = WRITE32BE(q, progsize);
q = WRITE32BE(q, crc);
q = mempcpy(q, name, namesize);
assert(hdrsize == q - hdr);
CHECK_EQ(hdrsize, mbedtls_ssl_write(&ezssl, hdr, hdrsize));
for (i = 0; i < progsize; i += rc) {
CHECK_GT((rc = mbedtls_ssl_write(&ezssl, p + i, progsize - i)), 0);
@ -454,7 +451,7 @@ int RunRemoteTestsInParallel(char *hosts[], int count) {
}
int main(int argc, char *argv[]) {
showcrashreports();
ShowCrashReports();
SetupPresharedKeySsl(MBEDTLS_SSL_IS_CLIENT, GetRunitPsk());
/* __log_level = kLogDebug; */
if (argc > 1 &&