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proxy: reintegrate do_con_srv

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parses host header entry, connects to resolved ip:port
This commit is contained in:
Kevin J. 2024-09-09 12:30:32 +02:00
parent 20c6ffe01b
commit 403ecb70b3
2 changed files with 54 additions and 15 deletions
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proxlib
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proxlib.c
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@ -148,11 +148,34 @@ int do_rcv_srv(void) {
}
// TODO
int do_con_srv(void) {
// MISSING HOST
int do_con_srv(struct conn *conn) {
int ret = 0;
struct httpareq *req = &conn->cltreq;
struct point *host = &req->hentries[header_host];
if (host->er == NULL) {
if (debug <= 2) {
fprintf(stderr, "debug - request does not have HOST header\n");
}
goto _exit;
}
struct hostinfo *info = (struct hostinfo *) calloc(1, sizeof(struct hostinfo));
if (!info) {
goto _exit;
}
ret = pahostinfo(host->er, host->len, info);
if (ret < 0) {
if (debug <= 2) {
fprintf(stderr, "Failed parsing upstream host header\n");
}
goto _exit_hostinfo;
}
if (debug <= 2) {
fprintf(stdout, "Establishing connection with upstream: %.*s : %.*s\n", info->hostname_len, info->hostname, info->service_len, info->service);
}
/*
int ret;
struct addrinfo hints;
struct addrinfo *res;
@ -160,20 +183,30 @@ int do_con_srv(void) {
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
ret = getaddrinfo(clt_data->host_name, clt_data->host_port, &hints, &res);
if (ret < 0)
return -1;
ret = getaddrinfo(info->hostname, info->service, &hints, &res);
if (ret < 0) {
goto _exit_hostinfo;
}
ret = srv_sock = socket(res->ai_family, res->ai_socktype,
ret = conn->srvfd = socket(res->ai_family, res->ai_socktype,
res->ai_protocol);
if (ret < 0)
return -1;
if (ret < 0) {
goto _exit_getaddrinfo;
}
ret = connect(srv_sock, res->ai_addr, res->ai_addrlen);
if (ret < 0)
return -1; */
ret = connect(conn->srvfd, res->ai_addr, res->ai_addrlen);
if (ret < 0) {
goto _exit_getaddrinfo;
}
return 0;
_exit_getaddrinfo:
freeaddrinfo(res);
_exit_hostinfo:
free(info->hostname);
free(info->service);
free(info);
_exit:
return ret;
}
int do_fwd_srv(void) {
@ -254,6 +287,9 @@ int do_rcv_clt(struct conn *conn) {
free(line);
}
// body
// TODO
if (debug <= 2) {
fprintf(stdout, "printing parsed request\n");
printfpareq(&conn->cltreq);
@ -276,6 +312,9 @@ void do_statem(struct conn *conn) {
case STATEM_RCV_CLT:
ret = do_rcv_clt(conn);
break;
case STATEM_CON_SRV:
ret = do_con_srv(conn);
break;
}
if (ret < 0)