David Garcia Quintas | 9885bff | 2016-04-07 17:31:29 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2016, Google Inc. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include "src/core/ext/client_config/parse_address.h" |
| 35 | |
| 36 | #include <stdio.h> |
| 37 | #include <string.h> |
| 38 | #ifdef GPR_HAVE_UNIX_SOCKET |
| 39 | #include <sys/un.h> |
| 40 | #endif |
| 41 | |
| 42 | #include <grpc/support/alloc.h> |
| 43 | #include <grpc/support/host_port.h> |
| 44 | #include <grpc/support/log.h> |
| 45 | #include <grpc/support/string_util.h> |
| 46 | |
| 47 | #ifdef GPR_HAVE_UNIX_SOCKET |
| 48 | int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) { |
| 49 | struct sockaddr_un *un = (struct sockaddr_un *)addr; |
| 50 | |
| 51 | un->sun_family = AF_UNIX; |
| 52 | strcpy(un->sun_path, uri->path); |
| 53 | *len = strlen(un->sun_path) + sizeof(un->sun_family) + 1; |
| 54 | |
| 55 | return 1; |
| 56 | } |
| 57 | #endif |
| 58 | |
| 59 | int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) { |
| 60 | const char *host_port = uri->path; |
| 61 | char *host; |
| 62 | char *port; |
| 63 | int port_num; |
| 64 | int result = 0; |
| 65 | struct sockaddr_in *in = (struct sockaddr_in *)addr; |
| 66 | |
| 67 | if (*host_port == '/') ++host_port; |
| 68 | if (!gpr_split_host_port(host_port, &host, &port)) { |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | memset(in, 0, sizeof(*in)); |
| 73 | *len = sizeof(*in); |
| 74 | in->sin_family = AF_INET; |
| 75 | if (inet_pton(AF_INET, host, &in->sin_addr) == 0) { |
| 76 | gpr_log(GPR_ERROR, "invalid ipv4 address: '%s'", host); |
| 77 | goto done; |
| 78 | } |
| 79 | |
| 80 | if (port != NULL) { |
| 81 | if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 || |
| 82 | port_num > 65535) { |
| 83 | gpr_log(GPR_ERROR, "invalid ipv4 port: '%s'", port); |
| 84 | goto done; |
| 85 | } |
| 86 | in->sin_port = htons((uint16_t)port_num); |
| 87 | } else { |
| 88 | gpr_log(GPR_ERROR, "no port given for ipv4 scheme"); |
| 89 | goto done; |
| 90 | } |
| 91 | |
| 92 | result = 1; |
| 93 | done: |
| 94 | gpr_free(host); |
| 95 | gpr_free(port); |
| 96 | return result; |
| 97 | } |
| 98 | |
| 99 | int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) { |
| 100 | const char *host_port = uri->path; |
| 101 | char *host; |
| 102 | char *port; |
| 103 | int port_num; |
| 104 | int result = 0; |
| 105 | struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)addr; |
| 106 | |
| 107 | if (*host_port == '/') ++host_port; |
| 108 | if (!gpr_split_host_port(host_port, &host, &port)) { |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | memset(in6, 0, sizeof(*in6)); |
| 113 | *len = sizeof(*in6); |
| 114 | in6->sin6_family = AF_INET6; |
| 115 | if (inet_pton(AF_INET6, host, &in6->sin6_addr) == 0) { |
| 116 | gpr_log(GPR_ERROR, "invalid ipv6 address: '%s'", host); |
| 117 | goto done; |
| 118 | } |
| 119 | |
| 120 | if (port != NULL) { |
| 121 | if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 || |
| 122 | port_num > 65535) { |
| 123 | gpr_log(GPR_ERROR, "invalid ipv6 port: '%s'", port); |
| 124 | goto done; |
| 125 | } |
| 126 | in6->sin6_port = htons((uint16_t)port_num); |
| 127 | } else { |
| 128 | gpr_log(GPR_ERROR, "no port given for ipv6 scheme"); |
| 129 | goto done; |
| 130 | } |
| 131 | |
| 132 | result = 1; |
| 133 | done: |
| 134 | gpr_free(host); |
| 135 | gpr_free(port); |
| 136 | return result; |
| 137 | } |