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Trivial changes: whitespace and modes. Remote whitespace at the ends of lines. Remove blank lines from the ends of files. Change modes on source files so that they are not executable. Signed-off-by: Dan Cross <cross@gajendra.net>
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  1 06f4d920 2005-02-13 devnull #include <u.h>

  2 06f4d920 2005-02-13 devnull #define NOPLAN9DEFINES

  3 06f4d920 2005-02-13 devnull #include <libc.h>

  4 06f4d920 2005-02-13 devnull 

  5 06f4d920 2005-02-13 devnull #include <sys/socket.h>

  6 06f4d920 2005-02-13 devnull #include <netinet/in.h>

  7 06f4d920 2005-02-13 devnull #include <netinet/tcp.h>

  8 d24b8141 2012-08-03 0intro #include <arpa/inet.h>

  9 06f4d920 2005-02-13 devnull #include <sys/un.h>

 10 06f4d920 2005-02-13 devnull #include <errno.h>

 11 06f4d920 2005-02-13 devnull 

 12 06f4d920 2005-02-13 devnull #undef sun

 13 06f4d920 2005-02-13 devnull #define sun sockun

 14 06f4d920 2005-02-13 devnull 

 15 06f4d920 2005-02-13 devnull extern int _p9netfd(char*);

 16 06f4d920 2005-02-13 devnull 

 17 06f4d920 2005-02-13 devnull static char *unknown = "unknown";

 18 06f4d920 2005-02-13 devnull 

 19 06f4d920 2005-02-13 devnull static int

 20 06f4d920 2005-02-13 devnull convert(int s, struct sockaddr *sa, char **lsys, char **lserv, char **laddr)

 21 06f4d920 2005-02-13 devnull {

 22 06f4d920 2005-02-13 devnull 	struct sockaddr_un *sun;

 23 06f4d920 2005-02-13 devnull 	struct sockaddr_in *sin;

 24 d24b8141 2012-08-03 0intro 	struct sockaddr_in6 *sin6;

 25 06f4d920 2005-02-13 devnull 	uchar *ip;

 26 06f4d920 2005-02-13 devnull 	u32int ipl;

 27 06f4d920 2005-02-13 devnull 	socklen_t sn;

 28 06f4d920 2005-02-13 devnull 	int n;

 29 06f4d920 2005-02-13 devnull 	char *net;

 30 fa325e9b 2020-01-10 cross 

 31 06f4d920 2005-02-13 devnull 	switch(sa->sa_family){

 32 06f4d920 2005-02-13 devnull 	case AF_INET:

 33 06f4d920 2005-02-13 devnull 		sin = (void*)sa;

 34 06f4d920 2005-02-13 devnull 		ip = (uchar*)&sin->sin_addr;

 35 06f4d920 2005-02-13 devnull 		ipl = *(u32int*)ip;

 36 06f4d920 2005-02-13 devnull 		if(ipl == 0)

 37 06f4d920 2005-02-13 devnull 			*lsys = strdup("*");

 38 06f4d920 2005-02-13 devnull 		else

 39 06f4d920 2005-02-13 devnull 			*lsys = smprint("%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);

 40 06f4d920 2005-02-13 devnull 		*lserv = smprint("%d", ntohs(sin->sin_port));

 41 06f4d920 2005-02-13 devnull 		sn = sizeof n;

 42 06f4d920 2005-02-13 devnull 		if(getsockopt(s, SOL_SOCKET, SO_TYPE, (void*)&n, &sn) < 0)

 43 06f4d920 2005-02-13 devnull 			return -1;

 44 06f4d920 2005-02-13 devnull 		if(n == SOCK_STREAM)

 45 06f4d920 2005-02-13 devnull 			net = "tcp";

 46 06f4d920 2005-02-13 devnull 		else if(n == SOCK_DGRAM)

 47 06f4d920 2005-02-13 devnull 			net = "udp";

 48 06f4d920 2005-02-13 devnull 		else{

 49 06f4d920 2005-02-13 devnull 			werrstr("unknown network type");

 50 06f4d920 2005-02-13 devnull 			return -1;

 51 06f4d920 2005-02-13 devnull 		}

 52 06f4d920 2005-02-13 devnull 		*laddr = smprint("%s!%s!%s", net, *lsys, *lserv);

 53 06f4d920 2005-02-13 devnull 		if(*lsys == nil || *lserv == nil || *laddr == nil)

 54 06f4d920 2005-02-13 devnull 			return -1;

 55 06f4d920 2005-02-13 devnull 		return 0;

 56 d24b8141 2012-08-03 0intro 	case AF_INET6:

 57 d24b8141 2012-08-03 0intro 		sin6 = (void*)sa;

 58 d24b8141 2012-08-03 0intro 		if (memcmp(&sin6->sin6_addr, &in6addr_any, sizeof(in6addr_any)) == 0)

 59 d24b8141 2012-08-03 0intro 			*lsys = strdup("*");

 60 d24b8141 2012-08-03 0intro 		else{

 61 d24b8141 2012-08-03 0intro 			*lsys = malloc(INET6_ADDRSTRLEN);

 62 d24b8141 2012-08-03 0intro 			inet_ntop(AF_INET6, &sin6->sin6_addr, *lsys, INET6_ADDRSTRLEN);

 63 d24b8141 2012-08-03 0intro 		}

 64 d24b8141 2012-08-03 0intro 		*lserv = smprint("%d", ntohs(sin6->sin6_port));

 65 d24b8141 2012-08-03 0intro 		sn = sizeof n;

 66 d24b8141 2012-08-03 0intro 		if(getsockopt(s, SOL_SOCKET, SO_TYPE, (void*)&n, &sn) < 0)

 67 d24b8141 2012-08-03 0intro 			return -1;

 68 d24b8141 2012-08-03 0intro 		if(n == SOCK_STREAM)

 69 d24b8141 2012-08-03 0intro 			net = "tcp";

 70 d24b8141 2012-08-03 0intro 		else if(n == SOCK_DGRAM)

 71 d24b8141 2012-08-03 0intro 			net = "udp";

 72 d24b8141 2012-08-03 0intro 		else{

 73 d24b8141 2012-08-03 0intro 			werrstr("unknown network type");

 74 d24b8141 2012-08-03 0intro 			return -1;

 75 d24b8141 2012-08-03 0intro 		}

 76 d24b8141 2012-08-03 0intro 		*laddr = smprint("%s!%s!%s", net, *lsys, *lserv);

 77 d24b8141 2012-08-03 0intro 		if(*lsys == nil || *lserv == nil || *laddr == nil)

 78 d24b8141 2012-08-03 0intro 			return -1;

 79 d24b8141 2012-08-03 0intro 		return 0;

 80 06f4d920 2005-02-13 devnull 	case AF_UNIX:

 81 06f4d920 2005-02-13 devnull 		sun = (void*)sa;

 82 06f4d920 2005-02-13 devnull 		*lsys = unknown;

 83 06f4d920 2005-02-13 devnull 		*lserv = unknown;

 84 06f4d920 2005-02-13 devnull 		*laddr = smprint("unix!%s", sun->sun_path);

 85 06f4d920 2005-02-13 devnull 		if(*laddr == nil)

 86 06f4d920 2005-02-13 devnull 			return -1;

 87 06f4d920 2005-02-13 devnull 		return 0;

 88 06f4d920 2005-02-13 devnull 	default:

 89 06f4d920 2005-02-13 devnull 		werrstr("unknown socket family");

 90 06f4d920 2005-02-13 devnull 		return -1;

 91 06f4d920 2005-02-13 devnull 	}

 92 06f4d920 2005-02-13 devnull }

 93 06f4d920 2005-02-13 devnull 

 94 06f4d920 2005-02-13 devnull NetConnInfo*

 95 06f4d920 2005-02-13 devnull getnetconninfo(char *dir, int fd)

 96 06f4d920 2005-02-13 devnull {

 97 06f4d920 2005-02-13 devnull 	socklen_t sn;

 98 06f4d920 2005-02-13 devnull 	union {

 99 06f4d920 2005-02-13 devnull 		struct sockaddr sa;

100 06f4d920 2005-02-13 devnull 		struct sockaddr_in sin;

101 d24b8141 2012-08-03 0intro 		struct sockaddr_in6 sin6;

102 06f4d920 2005-02-13 devnull 		struct sockaddr_un sun;

103 06f4d920 2005-02-13 devnull 	} u;

104 06f4d920 2005-02-13 devnull 	NetConnInfo *nci;

105 06f4d920 2005-02-13 devnull 

106 06f4d920 2005-02-13 devnull 	if(dir){

107 06f4d920 2005-02-13 devnull 		if((fd = _p9netfd(dir)) < 0){

108 06f4d920 2005-02-13 devnull 			werrstr("no such network connection %s", dir);

109 06f4d920 2005-02-13 devnull 			return nil;

110 06f4d920 2005-02-13 devnull 		}

111 06f4d920 2005-02-13 devnull 	}

112 06f4d920 2005-02-13 devnull 

113 06f4d920 2005-02-13 devnull 	nci = mallocz(sizeof *nci, 1);

114 06f4d920 2005-02-13 devnull 	if(nci == nil)

115 06f4d920 2005-02-13 devnull 		goto err;

116 06f4d920 2005-02-13 devnull 	nci->dir = smprint("/dev/fd/%d", fd);

117 06f4d920 2005-02-13 devnull 	nci->root = strdup("/net");

118 06f4d920 2005-02-13 devnull 	nci->spec = unknown;

119 06f4d920 2005-02-13 devnull 	if(nci->dir == nil || nci->root == nil)

120 06f4d920 2005-02-13 devnull 		goto err;

121 493b97a4 2006-02-18 devnull 	sn = sizeof u;

122 06f4d920 2005-02-13 devnull 	if(getsockname(fd, &u.sa, &sn) < 0)

123 06f4d920 2005-02-13 devnull 		goto err;

124 06f4d920 2005-02-13 devnull 	if(convert(fd, &u.sa, &nci->lsys, &nci->lserv, &nci->laddr) < 0)

125 06f4d920 2005-02-13 devnull 		goto err;

126 493b97a4 2006-02-18 devnull 	sn = sizeof u;

127 06f4d920 2005-02-13 devnull 	if(getpeername(fd, &u.sa, &sn) < 0)

128 06f4d920 2005-02-13 devnull 		goto err;

129 06f4d920 2005-02-13 devnull 	if(convert(fd, &u.sa, &nci->rsys, &nci->rserv, &nci->raddr) < 0)

130 06f4d920 2005-02-13 devnull 		goto err;

131 06f4d920 2005-02-13 devnull 	return nci;

132 06f4d920 2005-02-13 devnull 

133 06f4d920 2005-02-13 devnull err:

134 06f4d920 2005-02-13 devnull 	freenetconninfo(nci);

135 06f4d920 2005-02-13 devnull 	return nil;

136 06f4d920 2005-02-13 devnull }

137 06f4d920 2005-02-13 devnull 

138 06f4d920 2005-02-13 devnull static void

139 06f4d920 2005-02-13 devnull xfree(void *v)

140 06f4d920 2005-02-13 devnull {

141 06f4d920 2005-02-13 devnull 	if(v != nil && v != unknown)

142 06f4d920 2005-02-13 devnull 		free(v);

143 06f4d920 2005-02-13 devnull }

144 06f4d920 2005-02-13 devnull 

145 06f4d920 2005-02-13 devnull void

146 06f4d920 2005-02-13 devnull freenetconninfo(NetConnInfo *nci)

147 06f4d920 2005-02-13 devnull {

148 06f4d920 2005-02-13 devnull 	if(nci == nil)

149 06f4d920 2005-02-13 devnull 		return;

150 06f4d920 2005-02-13 devnull 	xfree(nci->dir);

151 06f4d920 2005-02-13 devnull 	xfree(nci->root);

152 06f4d920 2005-02-13 devnull 	xfree(nci->spec);

153 06f4d920 2005-02-13 devnull 	xfree(nci->lsys);

154 06f4d920 2005-02-13 devnull 	xfree(nci->lserv);

155 06f4d920 2005-02-13 devnull 	xfree(nci->rsys);

156 06f4d920 2005-02-13 devnull 	xfree(nci->rserv);

157 06f4d920 2005-02-13 devnull 	xfree(nci->laddr);

158 06f4d920 2005-02-13 devnull 	xfree(nci->raddr);

159 06f4d920 2005-02-13 devnull 	free(nci);

160 06f4d920 2005-02-13 devnull }