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scummvm/use-getaddrinfo.patch
Dmitriy Perlow 426f6442c2 Accepting request 424836 from home:susnux:branches:games 
Some patches for preventing warnings.
Already upstreamed

OBS-URL: https://build.opensuse.org/request/show/424836
OBS-URL: https://build.opensuse.org/package/show/games/scummvm?expand=0&rev=44
2016-09-05 17:58:44 +00:00

198 lines
6.2 KiB
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diff --git a/backends/midi/timidity.cpp b/backends/midi/timidity.cpp
index 4971388..1ff4ed9 100644
--- a/backends/midi/timidity.cpp
+++ b/backends/midi/timidity.cpp
@@ -52,24 +52,18 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/param.h>
-#include <netdb.h> /* for gethostbyname */
+#include <netdb.h> /* for getaddrinfo */
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdarg.h>
#include <stdlib.h>
#include <errno.h>
-// WORKAROUND bug #1870304: Solaris does not provide INADDR_NONE.
-#ifndef INADDR_NONE
-#define INADDR_NONE 0xffffffff
-#endif
-
// BeOS BONE uses snooze (x/1000) in place of usleep(x)
#ifdef __BEOS__
#define usleep(v) snooze(v/1000)
#endif
-
#define SEQ_MIDIPUTC 5
#define TIMIDITY_LOW_DELAY
@@ -84,7 +78,7 @@
/* default host & port */
#define DEFAULT_TIMIDITY_HOST "127.0.0.1"
-#define DEFAULT_TIMIDITY_PORT 7777
+#define DEFAULT_TIMIDITY_PORT "7777"
class MidiDriver_TIMIDITY : public MidiDriver_MPU401 {
public:
@@ -97,11 +91,8 @@ public:
void sysEx(const byte *msg, uint16 length);
private:
- /* standart routine to extract ip address from a string */
- in_addr_t host_to_addr(const char* address);
-
/* creates a tcp connection to TiMidity server, returns filedesc (like open()) */
- int connect_to_server(const char* hostname, unsigned short tcp_port);
+ int connect_to_server(const char* hostname, const char* tcp_port);
/* send command to the server; printf-like; returns reply string */
char *timidity_ctl_command(const char *fmt, ...) GCC_PRINTF(2, 3);
@@ -150,7 +141,8 @@ MidiDriver_TIMIDITY::MidiDriver_TIMIDITY() {
int MidiDriver_TIMIDITY::open() {
char *res;
char timidity_host[NI_MAXHOST];
- int timidity_port, data_port, i;
+ char timidity_port[6], data_port[6];
+ int num;
/* count ourselves open */
if (_isOpen)
@@ -166,16 +158,16 @@ int MidiDriver_TIMIDITY::open() {
/* extract control port */
if ((res = strrchr(timidity_host, ':')) != NULL) {
*res++ = '\0';
- timidity_port = atoi(res);
+ Common::strlcpy(timidity_port, res, sizeof(timidity_port));
} else {
- timidity_port = DEFAULT_TIMIDITY_PORT;
+ Common::strlcpy(timidity_port, DEFAULT_TIMIDITY_PORT, sizeof(timidity_port));
}
/*
* create control connection to the server
*/
if ((_control_fd = connect_to_server(timidity_host, timidity_port)) < 0) {
- warning("TiMidity: can't open control connection (host=%s, port=%d)", timidity_host, timidity_port);
+ warning("TiMidity: can't open control connection (host=%s, port=%s)", timidity_host, timidity_port);
return -1;
}
@@ -183,7 +175,7 @@ int MidiDriver_TIMIDITY::open() {
* "220 TiMidity++ v2.13.2 ready)" */
res = timidity_ctl_command(NULL);
if (atoi(res) != 220) {
- warning("TiMidity: bad response from server (host=%s, port=%d): %s", timidity_host, timidity_port, res);
+ warning("TiMidity: bad response from server (host=%s, port=%s): %s", timidity_host, timidity_port, res);
close_all();
return -1;
}
@@ -198,13 +190,11 @@ int MidiDriver_TIMIDITY::open() {
/* should read something like "200 63017 is ready acceptable",
* where 63017 is port for data connection */
- // FIXME: The following looks like a cheap endian test. If this is true, then
- // it should be replaced by suitable #ifdef SCUMM_LITTLE_ENDIAN.
- i = 1;
- if (*(char *)&i == 1)
- res = timidity_ctl_command("OPEN lsb");
- else
- res = timidity_ctl_command("OPEN msb");
+#ifdef SCUMM_LITTLE_ENDIAN
+ res = timidity_ctl_command("OPEN lsb");
+#else
+ res = timidity_ctl_command("OPEN msb");
+#endif
if (atoi(res) != 200) {
warning("TiMidity: bad reply for OPEN command: %s", res);
@@ -215,9 +205,15 @@ int MidiDriver_TIMIDITY::open() {
/*
* open data connection
*/
- data_port = atoi(res + 4);
+ num = atoi(res + 4);
+ if (num > 65535) {
+ warning("TiMidity: Invalid port %d given.\n", num);
+ close_all();
+ return -1;
+ }
+ snprintf(data_port, sizeof(data_port), "%d", num);
if ((_data_fd = connect_to_server(timidity_host, data_port)) < 0) {
- warning("TiMidity: can't open data connection (host=%s, port=%d)", timidity_host, data_port);
+ warning("TiMidity: can't open data connection (host=%s, port=%s)", timidity_host, data_port);
close_all();
return -1;
}
@@ -277,46 +273,33 @@ void MidiDriver_TIMIDITY::teardown() {
close_all();
}
-in_addr_t MidiDriver_TIMIDITY::host_to_addr(const char* address) {
- in_addr_t addr;
- struct hostent *hp;
-
- /* first check if IP address is given (like 127.0.0.1)*/
- if ((addr = inet_addr(address)) != INADDR_NONE)
- return addr;
-
- /* if not, try to resolve a hostname */
- if ((hp = gethostbyname(address)) == NULL) {
- warning("TiMidity: unknown hostname: %s", address);
- return INADDR_NONE;
- }
-
- memcpy(&addr, hp->h_addr, (int)sizeof(in_addr_t) <= hp->h_length ? sizeof(in_addr_t) : hp->h_length);
-
- return addr;
-}
-
-int MidiDriver_TIMIDITY::connect_to_server(const char* hostname, unsigned short tcp_port) {
+int MidiDriver_TIMIDITY::connect_to_server(const char* hostname, const char* tcp_port) {
int fd;
- struct sockaddr_in in;
- unsigned int addr;
-
- /* create socket */
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- warning("TiMidity: socket(): %s", strerror(errno));
+ struct addrinfo hints;
+ struct addrinfo *result, *rp;
+
+ /* get all address(es) matching host and port */
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
+ if (getaddrinfo(hostname, tcp_port, &hints, &result) != 0) {
+ warning("TiMidity: getaddrinfo: %s\n", strerror(errno));
return -1;
}
- /* connect */
- memset(&in, 0, sizeof(in));
- in.sin_family = AF_INET;
- in.sin_port = htons(tcp_port);
- addr = host_to_addr(hostname);
- memcpy(&in.sin_addr, &addr, 4);
-
- if (connect(fd, (struct sockaddr *)&in, sizeof(in)) < 0) {
- warning("TiMidity: connect(): %s", strerror(errno));
+ /* Try all address structures we have got previously */
+ for (rp = result; rp != NULL; rp = rp->ai_next) {
+ if ((fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol)) == -1)
+ continue;
+ if (connect(fd, rp->ai_addr, rp->ai_addrlen) != -1)
+ break;
::close(fd);
+ }
+
+ freeaddrinfo(result);
+
+ if (rp == NULL) {
+ warning("TiMidity: Could not connect\n");
return -1;
}
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