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improve: companion handler fd closing; fix: PIPE signal handling (#103)

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This commit improves how we decide to close the fd that connects the injected module with the companion, avoiding both double close and fd leaks.
This commit is contained in:
Pedro.js
2024-12-28 19:09:05 -03:00
committed by ThePedroo
parent b0a296fc29
commit 3605857d84
6 changed files with 89 additions and 92 deletions
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10
zygiskd/src/utils.c
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@@ -228,11 +228,11 @@ ssize_t write_fd(int fd, int sendfd) {
int read_fd(int fd) {
char cmsgbuf[CMSG_SPACE(sizeof(int))];
char buf[1] = { 0 };
int cnt = 1;
struct iovec iov = {
.iov_base = buf,
.iov_len = 1
.iov_base = &cnt,
.iov_len = sizeof(cnt)
};
struct msghdr msg = {
@@ -242,7 +242,7 @@ int read_fd(int fd) {
.msg_controllen = sizeof(cmsgbuf)
};
ssize_t ret = recvmsg(fd, &msg, 0);
ssize_t ret = recvmsg(fd, &msg, MSG_WAITALL);
if (ret == -1) {
LOGE("recvmsg: %s\n", strerror(errno));