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126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba utility functions
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Copyright (C) Andrew Tridgell 1992-1998
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Copyright (C) Tim Potter 2000-2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "system/network.h"
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enum SOCK_OPT_TYPES {OPT_BOOL,OPT_INT,OPT_ON};
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static const struct {
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const char *name;
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int level;
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int option;
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int value;
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int opttype;
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} socket_options[] = {
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{"SO_KEEPALIVE", SOL_SOCKET, SO_KEEPALIVE, 0, OPT_BOOL},
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{"SO_REUSEADDR", SOL_SOCKET, SO_REUSEADDR, 0, OPT_BOOL},
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{"SO_BROADCAST", SOL_SOCKET, SO_BROADCAST, 0, OPT_BOOL},
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#ifdef TCP_NODELAY
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{"TCP_NODELAY", IPPROTO_TCP, TCP_NODELAY, 0, OPT_BOOL},
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#endif
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#ifdef IPTOS_LOWDELAY
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{"IPTOS_LOWDELAY", IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY, OPT_ON},
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#endif
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#ifdef IPTOS_THROUGHPUT
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{"IPTOS_THROUGHPUT", IPPROTO_IP, IP_TOS, IPTOS_THROUGHPUT, OPT_ON},
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#endif
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#ifdef SO_REUSEPORT
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{"SO_REUSEPORT", SOL_SOCKET, SO_REUSEPORT, 0, OPT_BOOL},
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#endif
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#ifdef SO_SNDBUF
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{"SO_SNDBUF", SOL_SOCKET, SO_SNDBUF, 0, OPT_INT},
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#endif
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#ifdef SO_RCVBUF
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{"SO_RCVBUF", SOL_SOCKET, SO_RCVBUF, 0, OPT_INT},
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#endif
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#ifdef SO_SNDLOWAT
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{"SO_SNDLOWAT", SOL_SOCKET, SO_SNDLOWAT, 0, OPT_INT},
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#endif
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#ifdef SO_RCVLOWAT
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{"SO_RCVLOWAT", SOL_SOCKET, SO_RCVLOWAT, 0, OPT_INT},
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#endif
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#ifdef SO_SNDTIMEO
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{"SO_SNDTIMEO", SOL_SOCKET, SO_SNDTIMEO, 0, OPT_INT},
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#endif
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#ifdef SO_RCVTIMEO
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{"SO_RCVTIMEO", SOL_SOCKET, SO_RCVTIMEO, 0, OPT_INT},
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#endif
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{NULL,0,0,0,0}};
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/****************************************************************************
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Set user socket options.
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****************************************************************************/
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void set_socket_options(int fd, const char *options)
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{
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const char **options_list = str_list_make(NULL, options, " \t,");
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int j;
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for (j = 0; options_list[j]; j++) {
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const char *tok = options_list[j];
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int ret=0,i;
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int value = 1;
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char *p;
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BOOL got_value = False;
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if ((p = strchr_m(tok,'='))) {
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*p = 0;
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value = atoi(p+1);
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got_value = True;
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}
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for (i=0;socket_options[i].name;i++)
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if (strequal(socket_options[i].name,tok))
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break;
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if (!socket_options[i].name) {
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DEBUG(0,("Unknown socket option %s\n",tok));
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continue;
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}
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switch (socket_options[i].opttype) {
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case OPT_BOOL:
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case OPT_INT:
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ret = setsockopt(fd,socket_options[i].level,
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socket_options[i].option,(char *)&value,sizeof(int));
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break;
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case OPT_ON:
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if (got_value)
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DEBUG(0,("syntax error - %s does not take a value\n",tok));
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{
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int on = socket_options[i].value;
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ret = setsockopt(fd,socket_options[i].level,
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socket_options[i].option,(char *)&on,sizeof(int));
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}
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break;
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}
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if (ret != 0)
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DEBUG(0,("Failed to set socket option %s (Error %s)\n",tok, strerror(errno) ));
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}
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talloc_free(options_list);
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}
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