diff options
author | Jannis Hoffmann <jannis@fehcom.de> | 2024-07-09 13:58:20 +0200 |
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committer | Jannis Hoffmann <jannis@fehcom.de> | 2024-07-09 13:58:20 +0200 |
commit | 249866e3d1e11dc72eaa1305f4bb479ded92ef38 (patch) | |
tree | 7118c5f58e29fe61c100e4d067bb90ba8d52589e /src/socket_connect.c | |
parent | 96cf8dffe4f7b0b910f790066ae622dc429eb522 (diff) |
reorganized file structure
Moved c files into src/.
Corrected VERSION file.
Removed BUILD and FILES.
Diffstat (limited to 'src/socket_connect.c')
-rw-r--r-- | src/socket_connect.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/socket_connect.c b/src/socket_connect.c new file mode 100644 index 0000000..7b20659 --- /dev/null +++ b/src/socket_connect.c @@ -0,0 +1,66 @@ +#include <sys/types.h> +#include <sys/param.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <errno.h> +#include "byte.h" +#include "socket_if.h" +#include "ip.h" + +/** + @file socket_connect.c + @author djb, fefe, feh, kp + @source qmail, ucscpi-tcp6 + @brief connection to remote IP host +*/ + +int socket_connect6(int s,const char ip[16],uint16 port,uint32 scope_id) +{ + struct sockaddr_in6 sa; + + byte_zero(&sa,sizeof(sa)); + sa.sin6_family = AF_INET6; + uint16_pack_big((char *)&sa.sin6_port,port); + sa.sin6_flowinfo = 0; + sa.sin6_scope_id = scope_id; + byte_copy((char *)&sa.sin6_addr,16,ip); + + return connect(s,(struct sockaddr *)&sa,sizeof(sa)); +} + +/* this explizit declaration is needed to prevent compiler warnings */ +int read(int _str, void *_buf, int _b); + +int socket_connect4(int s,const char ip[4],uint16 port) +{ + struct sockaddr_in sa; + + byte_zero(&sa,sizeof(sa)); + sa.sin_family = AF_INET; + uint16_pack_big((char *)&sa.sin_port,port); + byte_copy((char *)&sa.sin_addr,4,ip); + + return connect(s,(struct sockaddr *)&sa,sizeof(sa)); +} + +int socket_connect(int s,const char ip[16],uint16 port,uint32 scope_id) +{ + if (ip6_isv4mapped(ip)) + return socket_connect4(s,ip + 12,port); + + return socket_connect6(s,ip,port,scope_id); +} + +int socket_connected(int s) +{ + struct sockaddr_in6 sa; + int dummy; + char ch; + + dummy = sizeof(sa); + if (getpeername(s,(struct sockaddr *)&sa,(socklen_t *)&dummy) == -1) { + read(s,&ch,1); /* sets errno */ + return 0; + } + return 1; +} |