- Timestamp:
- Feb 22, 2006 10:10:42 PM (19 years ago)
- Location:
- pjproject/trunk/pjlib-util
- Files:
-
- 2 added
- 5 edited
Legend:
- Unmodified
- Added
- Removed
-
pjproject/trunk/pjlib-util/build/pjlib_util.dsp
r77 r217 42 42 # PROP Target_Dir "" 43 43 # ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c 44 # ADD CPP /nologo /MD /W3 /GX /Zi /O2 /O y /Ob2 /I "../include" /I "../../pjlib/include" /D "NDEBUG" /D "WIN32" /D "_MBCS" /D "_LIB" /D PJ_WIN32=1 /D PJ_M_I386=1 /FR /YX /FD /c44 # ADD CPP /nologo /MD /W3 /GX /Zi /O2 /Ob2 /I "../include" /I "../../pjlib/include" /D "NDEBUG" /D "WIN32" /D "_MBCS" /D "_LIB" /D PJ_WIN32=1 /D PJ_M_I386=1 /FR /YX /FD /c 45 45 # ADD BASE RSC /l 0x409 /d "NDEBUG" 46 46 # ADD RSC /l 0x409 /d "NDEBUG" … … 84 84 85 85 # PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" 86 # Begin Source File 87 88 SOURCE="..\src\pjlib-util\errno.c" 89 # End Source File 86 90 # Begin Source File 87 91 … … 128 132 # Begin Source File 129 133 134 SOURCE="..\include\pjlib-util\errno.h" 135 # End Source File 136 # Begin Source File 137 130 138 SOURCE="..\include\pjlib-util\md5.h" 131 139 # End Source File -
pjproject/trunk/pjlib-util/include/pjlib-util.h
r166 r217 17 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 18 */ 19 #ifndef __PJLIB_UTIL_H__ 20 #define __PJLIB_UTIL_H__ 21 22 #include <pjlib-util/errno.h> 19 23 #include <pjlib-util/md5.h> 20 24 #include <pjlib-util/scanner.h> 21 25 #include <pjlib-util/stun.h> 22 26 #include <pjlib-util/xml.h> 27 28 29 PJ_BEGIN_DECL 30 31 /** 32 * Initialize PJLIB UTIL (defined in errno.c) 33 * 34 * @return PJ_SUCCESS on success. 35 */ 36 PJ_DECL(pj_status_t) pjlib_util_init(void); 37 38 39 PJ_END_DECL 40 41 42 #endif /* __PJLIB_UTIL_H__ */ -
pjproject/trunk/pjlib-util/include/pjlib-util/stun.h
r166 r217 119 119 PJ_DECL(void*) pj_stun_msg_find_attr( pj_stun_msg *msg, pj_stun_attr_type t); 120 120 121 /* STUN simple client API (stun_client.c) */122 enum pj_stun_err_code {123 PJ_STUN_ERR_MEMORY = (-2),124 PJ_STUN_ERR_RESOLVE = (-3),125 PJ_STUN_ERR_TRANSPORT = (-4),126 PJ_STUN_ERR_INVALID_MSG = (-5),127 PJ_STUN_ERR_NO_RESPONSE = (-6),128 PJ_STUN_ERR_SYMETRIC = (-7),129 };130 131 121 PJ_DECL(pj_status_t) pj_stun_get_mapped_addr( pj_pool_factory *pf, 132 122 int sock_cnt, pj_sock_t sock[], … … 134 124 const pj_str_t *srv2, int port2, 135 125 pj_sockaddr_in mapped_addr[]); 136 PJ_DECL(const char*) pj_stun_get_err_msg(pj_status_t status);137 126 138 127 PJ_END_DECL -
pjproject/trunk/pjlib-util/src/pjlib-util/stun.c
r65 r217 18 18 */ 19 19 #include <pjlib-util/stun.h> 20 #include <pjlib-util/errno.h> 20 21 #include <pj/pool.h> 21 22 #include <pj/log.h> … … 23 24 #include <pj/os.h> 24 25 25 #define THIS_FILE "stun "26 #define THIS_FILE "stun.c" 26 27 27 28 PJ_DEF(pj_status_t) pj_stun_create_bind_req( pj_pool_t *pool, … … 34 35 PJ_CHECK_STACK(); 35 36 36 PJ_LOG(5,(THIS_FILE, "pj_stun_create_bind_req"));37 37 38 38 hdr = pj_pool_calloc(pool, 1, sizeof(pj_stun_msg_hdr)); 39 if (!hdr) { 40 PJ_LOG(5,(THIS_FILE, "Error allocating memory!")); 41 return -1; 42 } 39 if (!hdr) 40 return PJ_ENOMEM; 43 41 44 42 hdr->type = pj_htons(PJ_STUN_BINDING_REQUEST); … … 48 46 *len = sizeof(pj_stun_msg_hdr); 49 47 50 return 0;48 return PJ_SUCCESS; 51 49 } 52 50 … … 58 56 59 57 PJ_CHECK_STACK(); 60 61 PJ_LOG(5,(THIS_FILE, "pj_stun_parse_msg %p, len=%d", buf, len));62 58 63 59 msg->hdr = (pj_stun_msg_hdr*)buf; … … 73 69 break; 74 70 default: 75 PJ_LOG( 5,(THIS_FILE, "Error: unknown msg type %d", msg_type));76 return -1;71 PJ_LOG(4,(THIS_FILE, "Error: unknown msg type %d", msg_type)); 72 return PJLIB_UTIL_ESTUNINMSGTYPE; 77 73 } 78 74 79 75 msg_len = pj_ntohs(msg->hdr->length); 80 76 if (msg_len != len - sizeof(pj_stun_msg_hdr)) { 81 PJ_LOG( 5,(THIS_FILE, "Error: invalid msg_len %d (expecting %d)",77 PJ_LOG(4,(THIS_FILE, "Error: invalid msg_len %d (expecting %d)", 82 78 msg_len, len - sizeof(pj_stun_msg_hdr))); 83 return -1;79 return PJLIB_UTIL_ESTUNINMSGLEN; 84 80 } 85 81 … … 95 91 96 92 if (msg_len < len) { 97 PJ_LOG( 5,(THIS_FILE, "Error: length mismatch in attr %d",93 PJ_LOG(4,(THIS_FILE, "Error: length mismatch in attr %d", 98 94 msg->attr_count)); 99 return -1;95 return PJLIB_UTIL_ESTUNINATTRLEN; 100 96 } 101 97 102 98 if (pj_ntohs((*attr)->type) > PJ_STUN_ATTR_REFLECTED_FORM) { 103 PJ_LOG( 5,(THIS_FILE, "Error: invalid attr type %d in attr %d",99 PJ_LOG(4,(THIS_FILE, "Error: invalid attr type %d in attr %d", 104 100 pj_ntohs((*attr)->type), msg->attr_count)); 105 return -1;101 return PJLIB_UTIL_ESTUNINATTRTYPE; 106 102 } 107 103 … … 111 107 } 112 108 113 return 0;109 return PJ_SUCCESS; 114 110 } 115 111 -
pjproject/trunk/pjlib-util/src/pjlib-util/stun_client.c
r185 r217 18 18 */ 19 19 #include <pjlib-util/stun.h> 20 #include <pjlib-util/errno.h> 21 #include <pj/os.h> 20 22 #include <pj/pool.h> 21 #include <pj/log.h> 23 #include <pj/rand.h> 24 #include <pj/sock_select.h> 22 25 #include <pj/string.h> 23 #include <pj/os.h> 24 #include <pj/sock_select.h> 26 25 27 26 28 enum { MAX_REQUEST = 3 }; 27 29 static int stun_timer[] = {1600, 1600, 1600 }; 28 30 29 #define THIS_FILE "stun client"31 #define THIS_FILE "stun_client.c" 30 32 #define LOG_ADDR(addr) pj_inet_ntoa(addr.sin_addr), pj_ntohs(addr.sin_port) 31 33 … … 38 40 { 39 41 pj_sockaddr_in srv_addr[2]; 40 int i, j, rc,send_cnt = 0;42 int i, j, send_cnt = 0; 41 43 pj_pool_t *pool; 42 44 struct { … … 49 51 pj_size_t out_msg_len; 50 52 int wait_resp = 0; 51 int mapped_status = 0;53 pj_status_t status; 52 54 53 55 PJ_CHECK_STACK(); … … 55 57 /* Create pool. */ 56 58 pool = pj_pool_create(pf, "stun%p", 1024, 1024, NULL); 57 if (!pool) { 58 mapped_status = PJ_STUN_ERR_MEMORY; 59 return -1; 60 } 59 if (!pool) 60 return PJ_ENOMEM; 61 61 62 62 63 /* Allocate client records */ 63 64 rec = pj_pool_calloc(pool, sock_cnt, sizeof(*rec)); 64 65 if (!rec) { 65 mapped_status = PJ_STUN_ERR_MEMORY;66 status = PJ_ENOMEM; 66 67 goto on_error; 67 68 } 68 69 70 69 71 /* Create the outgoing BIND REQUEST message template */ 70 rc = pj_stun_create_bind_req( pool, &out_msg, &out_msg_len, 0, 0); 71 if (rc != 0) { 72 mapped_status = -1; 73 goto on_error; 74 } 72 status = pj_stun_create_bind_req( pool, &out_msg, &out_msg_len, 73 pj_rand(), pj_rand()); 74 if (status != PJ_SUCCESS) 75 goto on_error; 75 76 76 77 /* Resolve servers. */ 77 if (pj_sockaddr_in_init(&srv_addr[0], srv1, (pj_uint16_t)port1) != 0) { 78 mapped_status = PJ_STUN_ERR_RESOLVE; 79 goto on_error; 80 } 81 if (pj_sockaddr_in_init(&srv_addr[1], srv2, (pj_uint16_t)port2) != 0) { 82 mapped_status = PJ_STUN_ERR_RESOLVE; 83 goto on_error; 84 } 78 status = pj_sockaddr_in_init(&srv_addr[0], srv1, (pj_uint16_t)port1); 79 if (status != PJ_SUCCESS) 80 goto on_error; 81 82 status = pj_sockaddr_in_init(&srv_addr[1], srv2, (pj_uint16_t)port2); 83 if (status != PJ_SUCCESS) 84 goto on_error; 85 85 86 86 /* Init mapped addresses to zero */ … … 93 93 int select_rc; 94 94 95 PJ_LOG(4,(THIS_FILE, "STUN retransmit %d, wait_resp=%d",96 send_cnt, wait_resp));97 98 95 PJ_FD_ZERO(&r); 99 96 100 97 /* Send messages to servers that has not given us response. */ 101 for (i=0; i<sock_cnt && mapped_status==0; ++i) {102 for (j=0; j<2 && mapped_status==0; ++j) {98 for (i=0; i<sock_cnt && status==PJ_SUCCESS; ++i) { 99 for (j=0; j<2 && status==PJ_SUCCESS; ++j) { 103 100 pj_stun_msg_hdr *msg_hdr = out_msg; 104 101 pj_ssize_t sent_len; … … 113 110 /* Send! */ 114 111 sent_len = out_msg_len; 115 rc = pj_sock_sendto(sock[i], out_msg, &sent_len, 0, 116 (pj_sockaddr_t*)&srv_addr[j], 117 sizeof(pj_sockaddr_in)); 118 if (sent_len != (int)out_msg_len) { 119 PJ_LOG(4,(THIS_FILE, 120 "Error sending STUN request to %s:%d", 121 LOG_ADDR(srv_addr[j]))); 122 mapped_status = PJ_STUN_ERR_TRANSPORT; 123 } else { 112 status = pj_sock_sendto(sock[i], out_msg, &sent_len, 0, 113 (pj_sockaddr_t*)&srv_addr[j], 114 sizeof(pj_sockaddr_in)); 115 if (status == PJ_SUCCESS) 124 116 ++wait_resp; 125 }126 117 } 127 118 } … … 140 131 141 132 for (pj_gettimeofday(&now), select_rc=1; 142 mapped_status==0 && select_rc==1 && wait_resp>0 && PJ_TIME_VAL_LT(now, next_tx); 133 status==PJ_SUCCESS && select_rc==1 && wait_resp>0 134 && PJ_TIME_VAL_LT(now, next_tx); 143 135 pj_gettimeofday(&now)) 144 136 { … … 169 161 170 162 len = sizeof(recv_buf); 171 pj_sock_recvfrom( sock[i], recv_buf,172 &len, 0,173 (pj_sockaddr_t*)&addr,174 &addrlen);163 status = pj_sock_recvfrom( sock[i], recv_buf, 164 &len, 0, 165 (pj_sockaddr_t*)&addr, 166 &addrlen); 175 167 176 168 --wait_resp; 177 169 178 if (len < 1) { 179 mapped_status = PJ_STUN_ERR_TRANSPORT; 180 continue; 181 } 182 183 if (pj_stun_parse_msg(recv_buf, len, &msg) != 0) { 184 PJ_LOG(4,(THIS_FILE, 185 "Error parsing STUN response from %s:%d", 186 LOG_ADDR(addr))); 187 mapped_status = PJ_STUN_ERR_INVALID_MSG; 188 continue; 189 } 170 if (status != PJ_SUCCESS) 171 continue; 172 173 status = pj_stun_parse_msg(recv_buf, len, &msg); 174 if (status != PJ_SUCCESS) { 175 continue; 176 } 177 190 178 191 179 sock_idx = pj_ntohl(msg.hdr->tsx[2]); … … 193 181 194 182 if (sock_idx<0 || sock_idx>=sock_cnt || srv_idx<0 || srv_idx>=2) { 195 PJ_LOG(4,(THIS_FILE, 196 "Invalid transaction ID from %s:%d", 197 LOG_ADDR(addr))); 198 mapped_status = PJ_STUN_ERR_INVALID_MSG; 183 status = PJLIB_UTIL_ESTUNININDEX; 199 184 continue; 200 185 } 201 186 202 187 if (pj_ntohs(msg.hdr->type) != PJ_STUN_BINDING_RESPONSE) { 203 PJ_LOG(4,(THIS_FILE, 204 "Non binding response %d from %s:%d", 205 pj_ntohs(msg.hdr->type), LOG_ADDR(addr))); 206 mapped_status = PJ_STUN_ERR_INVALID_MSG; 188 status = PJLIB_UTIL_ESTUNNOBINDRES; 207 189 continue; 208 190 } 209 191 210 192 if (pj_stun_msg_find_attr(&msg, PJ_STUN_ATTR_ERROR_CODE) != NULL) { 211 PJ_LOG(4,(THIS_FILE, 212 "Got STUN error attribute from %s:%d", 213 LOG_ADDR(addr))); 214 mapped_status = PJ_STUN_ERR_INVALID_MSG; 193 status = PJLIB_UTIL_ESTUNRECVERRATTR; 215 194 continue; 216 195 } … … 218 197 attr = (void*)pj_stun_msg_find_attr(&msg, PJ_STUN_ATTR_MAPPED_ADDR); 219 198 if (!attr) { 220 PJ_LOG(4,(THIS_FILE, 221 "No mapped address in response from %s:%d", 222 LOG_ADDR(addr))); 223 mapped_status = PJ_STUN_ERR_INVALID_MSG; 199 status = PJLIB_UTIL_ESTUNNOMAP; 224 200 continue; 225 201 } … … 237 213 } 238 214 239 for (i=0; i<sock_cnt && mapped_status==0; ++i) {215 for (i=0; i<sock_cnt && status==PJ_SUCCESS; ++i) { 240 216 if (rec[i].srv[0].mapped_addr == rec[i].srv[1].mapped_addr && 241 217 rec[i].srv[0].mapped_port == rec[i].srv[1].mapped_port) … … 246 222 247 223 if (rec[i].srv[0].mapped_addr == 0 || rec[i].srv[0].mapped_port == 0) { 248 mapped_status = PJ_STUN_ERR_NO_RESPONSE;224 status = PJLIB_UTIL_ESTUNNOTRESPOND; 249 225 break; 250 226 } 251 227 } else { 252 mapped_status = PJ_STUN_ERR_SYMETRIC;228 status = PJLIB_UTIL_ESTUNSYMMETRIC; 253 229 break; 254 230 } … … 257 233 pj_pool_release(pool); 258 234 259 return mapped_status;235 return status; 260 236 261 237 on_error: 262 238 if (pool) pj_pool_release(pool); 263 return -1;239 return status; 264 240 } 265 241 266 PJ_DEF(const char*) pj_stun_get_err_msg(pj_status_t status)267 {268 switch (status) {269 case 0: return "No error";270 case -1: return "General error";271 case PJ_STUN_ERR_MEMORY: return "Memory allocation failed";272 case PJ_STUN_ERR_RESOLVE: return "Invalid IP or unable to resolve STUN server";273 case PJ_STUN_ERR_TRANSPORT: return "Unable to contact STUN server";274 case PJ_STUN_ERR_INVALID_MSG: return "Invalid response from STUN server";275 case PJ_STUN_ERR_NO_RESPONSE: return "No response from STUN server";276 case PJ_STUN_ERR_SYMETRIC: return "Different mappings are returned from servers";277 }278 return "Unknown error";279 }
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