Kenji Arai
/
mbed-os_TYBLE16
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependents: TYBLE16_simple_data_logger TYBLE16_MP3_Air
Embed:
(wiki syntax)
Show/hide line numbers
test_dhcp.c
00001 #include "test_dhcp.h" 00002 00003 #include "lwip/netif.h" 00004 #include "lwip/dhcp.h" 00005 #include "lwip/prot/dhcp.h" 00006 #include "lwip/etharp.h" 00007 #include "netif/ethernet.h" 00008 00009 struct netif net_test; 00010 00011 static const u8_t broadcast[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 00012 00013 static const u8_t magic_cookie[] = { 0x63, 0x82, 0x53, 0x63 }; 00014 00015 static u8_t dhcp_offer[] = { 00016 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00017 0x00, 0x0F, 0xEE, 0x30, 0xAB, 0x22, /* From Remote host */ 00018 0x08, 0x00, /* Protocol: IP */ 00019 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00020 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00021 00022 0x02, /* Type == Boot reply */ 00023 0x01, 0x06, /* Hw Ethernet, 6 bytes addrlen */ 00024 0x00, /* 0 hops */ 00025 0xAA, 0xAA, 0xAA, 0xAA, /* Transaction id, will be overwritten */ 00026 0x00, 0x00, /* 0 seconds elapsed */ 00027 0x00, 0x00, /* Flags (unicast) */ 00028 0x00, 0x00, 0x00, 0x00, /* Client ip */ 00029 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00030 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server ip */ 00031 0x00, 0x00, 0x00, 0x00, /* relay agent */ 00032 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* MAC addr + padding */ 00033 00034 /* Empty server name and boot file name */ 00035 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00036 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00037 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00038 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00039 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00040 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00041 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00042 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00043 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00044 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00045 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00046 0x00, 0x00, 0x00, 0x00, 00047 00048 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00049 0x35, 0x01, 0x02, /* Message type: Offer */ 00050 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Server identifier (IP) */ 00051 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00052 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00053 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Subnet mask */ 00054 0xff, /* End option */ 00055 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00056 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00057 }; 00058 00059 static u8_t dhcp_ack[] = { 00060 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00061 0x00, 0x0f, 0xEE, 0x30, 0xAB, 0x22, /* From remote host */ 00062 0x08, 0x00, /* Proto IP */ 00063 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00064 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00065 0x02, /* Bootp reply */ 00066 0x01, 0x06, /* Hw type Eth, len 6 */ 00067 0x00, /* 0 hops */ 00068 0xAA, 0xAA, 0xAA, 0xAA, 00069 0x00, 0x00, /* 0 seconds elapsed */ 00070 0x00, 0x00, /* Flags (unicast) */ 00071 0x00, 0x00, 0x00, 0x00, /* Client IP */ 00072 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00073 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server IP */ 00074 0x00, 0x00, 0x00, 0x00, /* Relay agent */ 00075 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Macaddr + padding */ 00076 00077 /* Empty server name and boot file name */ 00078 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00079 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00080 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00081 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00082 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00083 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00084 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00085 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00086 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00087 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00088 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00089 0x00, 0x00, 0x00, 0x00, 00090 00091 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00092 0x35, 0x01, 0x05, /* Dhcp message type ack */ 00093 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server identifier */ 00094 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00095 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00096 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Netmask */ 00097 0xff, /* End marker */ 00098 00099 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00100 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00101 }; 00102 00103 static const u8_t arpreply[] = { 00104 0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* dst mac */ 00105 0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* src mac */ 00106 0x08, 0x06, /* proto arp */ 00107 0x00, 0x01, /* hw eth */ 00108 0x08, 0x00, /* proto ip */ 00109 0x06, /* hw addr len 6 */ 00110 0x04, /* proto addr len 4 */ 00111 0x00, 0x02, /* arp reply */ 00112 0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* sender mac */ 00113 0xc3, 0xaa, 0xbd, 0xc8, /* sender ip */ 00114 0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* target mac */ 00115 0x00, 0x00, 0x00, 0x00, /* target ip */ 00116 }; 00117 00118 static int txpacket; 00119 static enum tcase { 00120 TEST_LWIP_DHCP, 00121 TEST_LWIP_DHCP_NAK, 00122 TEST_LWIP_DHCP_RELAY, 00123 TEST_LWIP_DHCP_NAK_NO_ENDMARKER, 00124 TEST_LWIP_DHCP_INVALID_OVERLOAD, 00125 TEST_NONE 00126 } tcase; 00127 00128 static int debug = 0; 00129 static void setdebug(int a) {debug = a;} 00130 00131 static int tick = 0; 00132 static void tick_lwip(void) 00133 { 00134 tick++; 00135 if (tick % 5 == 0) { 00136 dhcp_fine_tmr(); 00137 } 00138 if (tick % 600 == 0) { 00139 dhcp_coarse_tmr(); 00140 } 00141 } 00142 00143 static void send_pkt(struct netif *netif, const u8_t *data, size_t len) 00144 { 00145 struct pbuf *p, *q; 00146 LWIP_ASSERT("pkt too big", len <= 0xFFFF); 00147 p = pbuf_alloc(PBUF_RAW, (u16_t)len, PBUF_POOL); 00148 00149 if (debug) { 00150 /* Dump data */ 00151 u32_t i; 00152 printf("RX data (len %d)", p->tot_len); 00153 for (i = 0; i < len; i++) { 00154 printf(" %02X", data[i]); 00155 } 00156 printf("\n"); 00157 } 00158 00159 fail_unless(p != NULL); 00160 for(q = p; q != NULL; q = q->next) { 00161 memcpy(q->payload, data, q->len); 00162 data += q->len; 00163 } 00164 netif->input(p, netif); 00165 } 00166 00167 static err_t lwip_tx_func(struct netif *netif, struct pbuf *p); 00168 00169 static err_t testif_init(struct netif *netif) 00170 { 00171 netif->name[0] = 'c'; 00172 netif->name[1] = 'h'; 00173 netif->output = etharp_output; 00174 netif->linkoutput = lwip_tx_func; 00175 netif->mtu = 1500; 00176 netif->hwaddr_len = 6; 00177 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP; 00178 00179 netif->hwaddr[0] = 0x00; 00180 netif->hwaddr[1] = 0x23; 00181 netif->hwaddr[2] = 0xC1; 00182 netif->hwaddr[3] = 0xDE; 00183 netif->hwaddr[4] = 0xD0; 00184 netif->hwaddr[5] = 0x0D; 00185 00186 return ERR_OK; 00187 } 00188 00189 static void dhcp_setup(void) 00190 { 00191 txpacket = 0; 00192 lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT)); 00193 } 00194 00195 static void dhcp_teardown(void) 00196 { 00197 lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT)); 00198 } 00199 00200 static void check_pkt(struct pbuf *p, u32_t pos, const u8_t *mem, u32_t len) 00201 { 00202 u8_t *data; 00203 00204 fail_if((pos + len) > p->tot_len); 00205 while (pos > p->len && p->next) { 00206 pos -= p->len; 00207 p = p->next; 00208 } 00209 fail_if(p == NULL); 00210 fail_unless(pos + len <= p->len); /* All data we seek within same pbuf */ 00211 00212 data = (u8_t*)p->payload; 00213 fail_if(memcmp(&data[pos], mem, len), "data at pos %d, len %d in packet %d did not match", pos, len, txpacket); 00214 } 00215 00216 static void check_pkt_fuzzy(struct pbuf *p, u32_t startpos, const u8_t *mem, u32_t len) 00217 { 00218 int found; 00219 u32_t i; 00220 u8_t *data; 00221 00222 fail_if((startpos + len) > p->tot_len); 00223 while (startpos > p->len && p->next) { 00224 startpos -= p->len; 00225 p = p->next; 00226 } 00227 fail_if(p == NULL); 00228 fail_unless(startpos + len <= p->len); /* All data we seek within same pbuf */ 00229 00230 found = 0; 00231 data = (u8_t*)p->payload; 00232 for (i = startpos; i <= (p->len - len); i++) { 00233 if (memcmp(&data[i], mem, len) == 0) { 00234 found = 1; 00235 break; 00236 } 00237 } 00238 fail_unless(found); 00239 } 00240 00241 static err_t lwip_tx_func(struct netif *netif, struct pbuf *p) 00242 { 00243 fail_unless(netif == &net_test); 00244 txpacket++; 00245 00246 if (debug) { 00247 struct pbuf *pp = p; 00248 /* Dump data */ 00249 printf("TX data (pkt %d, len %d, tick %d)", txpacket, p->tot_len, tick); 00250 do { 00251 int i; 00252 for (i = 0; i < pp->len; i++) { 00253 printf(" %02X", ((u8_t *) pp->payload)[i]); 00254 } 00255 if (pp->next) { 00256 pp = pp->next; 00257 } 00258 } while (pp->next); 00259 printf("\n"); 00260 } 00261 00262 switch (tcase) { 00263 case TEST_LWIP_DHCP: 00264 switch (txpacket) { 00265 case 1: 00266 case 2: 00267 { 00268 const u8_t ipproto[] = { 0x08, 0x00 }; 00269 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00270 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00271 00272 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00273 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00274 00275 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00276 00277 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00278 00279 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00280 00281 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00282 00283 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00284 00285 /* Check dchp message type, can be at different positions */ 00286 if (txpacket == 1) { 00287 u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 }; 00288 check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt)); 00289 } else if (txpacket == 2) { 00290 u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00291 u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* Ask for offered IP */ 00292 00293 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00294 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00295 } 00296 break; 00297 } 00298 case 3: 00299 case 4: 00300 case 5: 00301 { 00302 const u8_t arpproto[] = { 0x08, 0x06 }; 00303 00304 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00305 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00306 00307 check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */ 00308 break; 00309 } 00310 default: 00311 fail(); 00312 break; 00313 } 00314 break; 00315 00316 case TEST_LWIP_DHCP_NAK: 00317 { 00318 const u8_t ipproto[] = { 0x08, 0x00 }; 00319 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00320 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00321 const u8_t dhcp_nak_opt[] = { 0x35, 0x01, 0x04 }; 00322 const u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* offered IP */ 00323 00324 fail_unless(txpacket == 4); 00325 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00326 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00327 00328 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00329 00330 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00331 00332 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00333 00334 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00335 00336 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00337 00338 check_pkt_fuzzy(p, 282, dhcp_nak_opt, sizeof(dhcp_nak_opt)); /* NAK the ack */ 00339 00340 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00341 break; 00342 } 00343 00344 case TEST_LWIP_DHCP_RELAY: 00345 switch (txpacket) { 00346 case 1: 00347 case 2: 00348 { 00349 const u8_t ipproto[] = { 0x08, 0x00 }; 00350 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00351 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00352 00353 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00354 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00355 00356 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00357 00358 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00359 00360 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00361 00362 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00363 00364 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00365 00366 /* Check dchp message type, can be at different positions */ 00367 if (txpacket == 1) { 00368 u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 }; 00369 check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt)); 00370 } else if (txpacket == 2) { 00371 u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00372 u8_t requested_ipaddr[] = { 0x32, 0x04, 0x4f, 0x8a, 0x33, 0x05 }; /* Ask for offered IP */ 00373 00374 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00375 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00376 } 00377 break; 00378 } 00379 case 3: 00380 case 4: 00381 case 5: 00382 case 6: 00383 { 00384 const u8_t arpproto[] = { 0x08, 0x06 }; 00385 00386 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00387 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00388 00389 check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */ 00390 break; 00391 } 00392 case 7: 00393 { 00394 const u8_t fake_arp[6] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab }; 00395 const u8_t ipproto[] = { 0x08, 0x00 }; 00396 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00397 const u8_t ipaddrs[] = { 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00398 const u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00399 00400 check_pkt(p, 0, fake_arp, 6); /* eth level dest: broadcast */ 00401 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00402 00403 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00404 00405 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00406 00407 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00408 00409 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00410 00411 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00412 00413 /* Check dchp message type, can be at different positions */ 00414 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00415 break; 00416 } 00417 default: 00418 fail(); 00419 break; 00420 } 00421 break; 00422 00423 default: 00424 break; 00425 } 00426 00427 return ERR_OK; 00428 } 00429 00430 /* 00431 * Test basic happy flow DHCP session. 00432 * Validate that xid is checked. 00433 */ 00434 START_TEST(test_dhcp) 00435 { 00436 ip4_addr_t addr; 00437 ip4_addr_t netmask; 00438 ip4_addr_t gw; 00439 int i; 00440 u32_t xid; 00441 LWIP_UNUSED_ARG(_i); 00442 00443 tcase = TEST_LWIP_DHCP; 00444 setdebug(0); 00445 00446 IP4_ADDR(&addr, 0, 0, 0, 0); 00447 IP4_ADDR(&netmask, 0, 0, 0, 0); 00448 IP4_ADDR(&gw, 0, 0, 0, 0); 00449 00450 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00451 netif_set_link_up(&net_test); 00452 netif_set_up(&net_test); 00453 00454 dhcp_start(&net_test); 00455 00456 fail_unless(txpacket == 1); /* DHCP discover sent */ 00457 xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */ 00458 memcpy(&dhcp_offer[46], &xid, 4); 00459 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00460 00461 /* IP addresses should be zero */ 00462 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00463 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00464 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00465 00466 fail_unless(txpacket == 1, "TX %d packets, expected 1", txpacket); /* Nothing more sent */ 00467 xid = htonl(netif_dhcp_data(&net_test)->xid); 00468 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00469 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00470 00471 fail_unless(txpacket == 2, "TX %d packets, expected 2", txpacket); /* DHCP request sent */ 00472 xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */ 00473 memcpy(&dhcp_ack[46], &xid, 4); 00474 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00475 00476 fail_unless(txpacket == 2, "TX %d packets, still expected 2", txpacket); /* No more sent */ 00477 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 00478 memcpy(&dhcp_ack[46], &xid, 4); /* insert transaction id */ 00479 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00480 00481 for (i = 0; i < 20; i++) { 00482 tick_lwip(); 00483 } 00484 fail_unless(txpacket == 5, "TX %d packets, expected 5", txpacket); /* ARP requests sent */ 00485 00486 /* Interface up */ 00487 fail_unless(netif_is_up(&net_test)); 00488 00489 /* Now it should have taken the IP */ 00490 IP4_ADDR(&addr, 195, 170, 189, 200); 00491 IP4_ADDR(&netmask, 255, 255, 255, 0); 00492 IP4_ADDR(&gw, 195, 170, 189, 171); 00493 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00494 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00495 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00496 00497 tcase = TEST_NONE; 00498 dhcp_stop(&net_test); 00499 dhcp_cleanup(&net_test); 00500 netif_remove(&net_test); 00501 } 00502 END_TEST 00503 00504 /* 00505 * Test that IP address is not taken and NAK is sent if someone 00506 * replies to ARP requests for the offered address. 00507 */ 00508 START_TEST(test_dhcp_nak) 00509 { 00510 ip4_addr_t addr; 00511 ip4_addr_t netmask; 00512 ip4_addr_t gw; 00513 u32_t xid; 00514 LWIP_UNUSED_ARG(_i); 00515 00516 tcase = TEST_LWIP_DHCP; 00517 setdebug(0); 00518 00519 IP4_ADDR(&addr, 0, 0, 0, 0); 00520 IP4_ADDR(&netmask, 0, 0, 0, 0); 00521 IP4_ADDR(&gw, 0, 0, 0, 0); 00522 00523 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00524 netif_set_link_up(&net_test); 00525 netif_set_up(&net_test); 00526 00527 dhcp_start(&net_test); 00528 00529 fail_unless(txpacket == 1); /* DHCP discover sent */ 00530 xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */ 00531 memcpy(&dhcp_offer[46], &xid, 4); 00532 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00533 00534 /* IP addresses should be zero */ 00535 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00536 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00537 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00538 00539 fail_unless(txpacket == 1); /* Nothing more sent */ 00540 xid = htonl(netif_dhcp_data(&net_test)->xid); 00541 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00542 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00543 00544 fail_unless(txpacket == 2); /* DHCP request sent */ 00545 xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */ 00546 memcpy(&dhcp_ack[46], &xid, 4); 00547 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00548 00549 fail_unless(txpacket == 2); /* No more sent */ 00550 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 00551 memcpy(&dhcp_ack[46], &xid, 4); /* insert transaction id */ 00552 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00553 00554 fail_unless(txpacket == 3); /* ARP request sent */ 00555 00556 tcase = TEST_LWIP_DHCP_NAK; /* Switch testcase */ 00557 00558 /* Send arp reply, mark offered IP as taken */ 00559 send_pkt(&net_test, arpreply, sizeof(arpreply)); 00560 00561 fail_unless(txpacket == 4); /* DHCP nak sent */ 00562 00563 tcase = TEST_NONE; 00564 dhcp_stop(&net_test); 00565 dhcp_cleanup(&net_test); 00566 netif_remove(&net_test); 00567 } 00568 END_TEST 00569 00570 /* 00571 * Test case based on captured data where 00572 * replies are sent from a different IP than the 00573 * one the client unicasted to. 00574 */ 00575 START_TEST(test_dhcp_relayed) 00576 { 00577 u8_t relay_offer[] = { 00578 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 00579 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, 00580 0x08, 0x00, 0x45, 0x00, 00581 0x01, 0x38, 0xfd, 0x53, 0x00, 0x00, 0x40, 0x11, 00582 0x78, 0x46, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00583 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00584 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35, 00585 0xb6, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00586 0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00587 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00588 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00589 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00590 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00591 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00592 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00593 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00594 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00595 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00596 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00597 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00598 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00599 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00600 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00601 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00602 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00603 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00604 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00605 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00606 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00607 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00608 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00609 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00610 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00611 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00612 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00613 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00614 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00615 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00616 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00617 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00618 0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x02, 0x36, 00619 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff 00620 }; 00621 00622 u8_t relay_ack1[] = { 00623 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x22, 00624 0x93, 0x5a, 0xf7, 0x60, 0x08, 0x00, 0x45, 0x00, 00625 0x01, 0x38, 0xfd, 0x55, 0x00, 0x00, 0x40, 0x11, 00626 0x78, 0x44, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00627 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00628 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35, 00629 0xb6, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00630 0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00631 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00632 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00633 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00634 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00635 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00636 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00637 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00638 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00639 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00640 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00641 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00642 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00643 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00644 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00645 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00646 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00647 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00648 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00649 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00650 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00651 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00652 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00653 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00654 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00655 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00656 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00657 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00658 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00659 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00660 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00661 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00662 0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x05, 0x36, 00663 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff 00664 }; 00665 00666 u8_t relay_ack2[] = { 00667 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 00668 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, 00669 0x08, 0x00, 0x45, 0x00, 00670 0x01, 0x38, 0xfa, 0x18, 0x00, 0x00, 0x40, 0x11, 00671 0x7b, 0x81, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00672 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00673 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x49, 0x8b, 00674 0x6e, 0xab, 0x00, 0x00, 0x00, 0x00, 0x4f, 0x8a, 00675 0x33, 0x05, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00676 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00677 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00678 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00679 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00680 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00681 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00682 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00683 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00684 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00685 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00686 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00687 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00688 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00689 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00690 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00691 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00692 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00693 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00694 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00695 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00696 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00697 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00698 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00699 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00700 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00701 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00702 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00703 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00704 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00705 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00706 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00707 0x00, 0x00, 0x54, 0x60, 0x35, 0x01, 0x05, 0x36, 00708 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff }; 00709 00710 const u8_t arp_resp[] = { 00711 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* DEST */ 00712 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, /* SRC */ 00713 0x08, 0x06, /* Type: ARP */ 00714 0x00, 0x01, /* HW: Ethernet */ 00715 0x08, 0x00, /* PROTO: IP */ 00716 0x06, /* HW size */ 00717 0x04, /* PROTO size */ 00718 0x00, 0x02, /* OPCODE: Reply */ 00719 00720 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab, /* Target MAC */ 00721 0x4f, 0x8a, 0x32, 0x01, /* Target IP */ 00722 00723 0x00, 0x23, 0xc1, 0x00, 0x06, 0x50, /* src mac */ 00724 0x4f, 0x8a, 0x33, 0x05, /* src ip */ 00725 00726 /* Padding follows.. */ 00727 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00728 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00729 0x00, 0x00, 0x00, 0x00 }; 00730 00731 ip4_addr_t addr; 00732 ip4_addr_t netmask; 00733 ip4_addr_t gw; 00734 int i; 00735 u32_t xid; 00736 LWIP_UNUSED_ARG(_i); 00737 00738 tcase = TEST_LWIP_DHCP_RELAY; 00739 setdebug(0); 00740 00741 IP4_ADDR(&addr, 0, 0, 0, 0); 00742 IP4_ADDR(&netmask, 0, 0, 0, 0); 00743 IP4_ADDR(&gw, 0, 0, 0, 0); 00744 00745 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00746 netif_set_link_up(&net_test); 00747 netif_set_up(&net_test); 00748 00749 dhcp_start(&net_test); 00750 00751 fail_unless(txpacket == 1); /* DHCP discover sent */ 00752 00753 /* IP addresses should be zero */ 00754 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00755 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00756 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00757 00758 fail_unless(txpacket == 1); /* Nothing more sent */ 00759 xid = htonl(netif_dhcp_data(&net_test)->xid); 00760 memcpy(&relay_offer[46], &xid, 4); /* insert correct transaction id */ 00761 send_pkt(&net_test, relay_offer, sizeof(relay_offer)); 00762 00763 /* request sent? */ 00764 fail_unless(txpacket == 2, "txpkt = %d, should be 2", txpacket); 00765 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 00766 memcpy(&relay_ack1[46], &xid, 4); /* insert transaction id */ 00767 send_pkt(&net_test, relay_ack1, sizeof(relay_ack1)); 00768 00769 for (i = 0; i < 25; i++) { 00770 tick_lwip(); 00771 } 00772 fail_unless(txpacket == 5, "txpkt should be 5, is %d", txpacket); /* ARP requests sent */ 00773 00774 /* Interface up */ 00775 fail_unless(netif_is_up(&net_test)); 00776 00777 /* Now it should have taken the IP */ 00778 IP4_ADDR(&addr, 79, 138, 51, 5); 00779 IP4_ADDR(&netmask, 255, 255, 254, 0); 00780 IP4_ADDR(&gw, 79, 138, 50, 1); 00781 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00782 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00783 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00784 00785 fail_unless(txpacket == 5, "txpacket = %d", txpacket); 00786 00787 for (i = 0; i < 108000 - 25; i++) { 00788 tick_lwip(); 00789 } 00790 00791 fail_unless(netif_is_up(&net_test)); 00792 fail_unless(txpacket == 6, "txpacket = %d", txpacket); 00793 00794 /* We need to send arp response here.. */ 00795 00796 send_pkt(&net_test, arp_resp, sizeof(arp_resp)); 00797 00798 fail_unless(txpacket == 7, "txpacket = %d", txpacket); 00799 fail_unless(netif_is_up(&net_test)); 00800 00801 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 00802 memcpy(&relay_ack2[46], &xid, 4); /* insert transaction id */ 00803 send_pkt(&net_test, relay_ack2, sizeof(relay_ack2)); 00804 00805 for (i = 0; i < 100000; i++) { 00806 tick_lwip(); 00807 } 00808 00809 fail_unless(txpacket == 7, "txpacket = %d", txpacket); 00810 00811 tcase = TEST_NONE; 00812 dhcp_stop(&net_test); 00813 dhcp_cleanup(&net_test); 00814 netif_remove(&net_test); 00815 00816 } 00817 END_TEST 00818 00819 START_TEST(test_dhcp_nak_no_endmarker) 00820 { 00821 ip4_addr_t addr; 00822 ip4_addr_t netmask; 00823 ip4_addr_t gw; 00824 00825 u8_t dhcp_nack_no_endmarker[] = { 00826 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x54, 0x75, 00827 0xd0, 0x26, 0xd0, 0x0d, 0x08, 0x00, 0x45, 0x00, 00828 0x01, 0x15, 0x38, 0x86, 0x00, 0x00, 0xff, 0x11, 00829 0xc0, 0xa8, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xff, 00830 0xff, 0xff, 0x00, 0x43, 0x00, 0x44, 0x01, 0x01, 00831 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x7a, 0xcb, 00832 0xba, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00833 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00834 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 00835 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00836 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00837 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00838 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00839 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00840 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00841 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00842 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00843 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00844 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00845 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00846 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00847 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00848 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00849 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00850 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00851 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00852 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00853 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00854 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00855 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00856 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00857 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00858 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00859 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00860 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00861 0x53, 0x63, 0x35, 0x01, 0x06, 0x36, 0x04, 0xc0, 00862 0xa8, 0x01, 0x01, 0x31, 0xef, 0xad, 0x72, 0x31, 00863 0x43, 0x4e, 0x44, 0x30, 0x32, 0x35, 0x30, 0x43, 00864 0x52, 0x47, 0x44, 0x38, 0x35, 0x36, 0x3c, 0x08, 00865 0x4d, 0x53, 0x46, 0x54, 0x20, 0x35, 0x2e, 0x30, 00866 0x37, 0x0d, 0x01, 0x0f, 0x03, 0x06, 0x2c, 0x2e, 00867 0x2f, 0x1f, 0x21, 0x79, 0xf9, 0x2b, 0xfc, 0xff, 00868 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe2, 0x71, 00869 0xf3, 0x5b, 0xe2, 0x71, 0x2e, 0x01, 0x08, 0x03, 00870 0x04, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xeb, 0x1e, 00871 0x44, 0xec, 0xeb, 0x1e, 0x30, 0x37, 0x0c, 0x01, 00872 0x0f, 0x03, 0x06, 0x2c, 0x2e, 0x2f, 0x1f, 0x21, 00873 0x79, 0xf9, 0x2b, 0xff, 0x25, 0xc0, 0x09, 0xd6, 00874 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00875 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 00876 }; 00877 u32_t xid; 00878 struct dhcp* dhcp; 00879 u8_t tries; 00880 u16_t request_timeout; 00881 LWIP_UNUSED_ARG(_i); 00882 00883 tcase = TEST_LWIP_DHCP_NAK_NO_ENDMARKER; 00884 setdebug(0); 00885 00886 IP4_ADDR(&addr, 0, 0, 0, 0); 00887 IP4_ADDR(&netmask, 0, 0, 0, 0); 00888 IP4_ADDR(&gw, 0, 0, 0, 0); 00889 00890 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00891 netif_set_link_up(&net_test); 00892 netif_set_up(&net_test); 00893 00894 dhcp_start(&net_test); 00895 dhcp = netif_dhcp_data(&net_test); 00896 00897 fail_unless(txpacket == 1); /* DHCP discover sent */ 00898 xid = dhcp->xid; /* Write bad xid, not using htonl! */ 00899 memcpy(&dhcp_offer[46], &xid, 4); 00900 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00901 00902 /* IP addresses should be zero */ 00903 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00904 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00905 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00906 00907 fail_unless(txpacket == 1); /* Nothing more sent */ 00908 xid = htonl(dhcp->xid); 00909 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00910 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00911 00912 fail_unless(dhcp->state == DHCP_STATE_REQUESTING); 00913 00914 fail_unless(txpacket == 2); /* No more sent */ 00915 xid = htonl(dhcp->xid); /* xid updated */ 00916 memcpy(&dhcp_nack_no_endmarker[46], &xid, 4); /* insert transaction id */ 00917 tries = dhcp->tries; 00918 request_timeout = dhcp->request_timeout; 00919 send_pkt(&net_test, dhcp_nack_no_endmarker, sizeof(dhcp_nack_no_endmarker)); 00920 00921 /* NAK should be ignored */ 00922 fail_unless(dhcp->state == DHCP_STATE_REQUESTING); 00923 fail_unless(txpacket == 2); /* No more sent */ 00924 fail_unless(xid == htonl(dhcp->xid)); 00925 fail_unless(tries == dhcp->tries); 00926 fail_unless(request_timeout == dhcp->request_timeout); 00927 00928 tcase = TEST_NONE; 00929 dhcp_stop(&net_test); 00930 dhcp_cleanup(&net_test); 00931 netif_remove(&net_test); 00932 } 00933 END_TEST 00934 00935 START_TEST(test_dhcp_invalid_overload) 00936 { 00937 u8_t dhcp_offer_invalid_overload[] = { 00938 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00939 0x00, 0x0F, 0xEE, 0x30, 0xAB, 0x22, /* From Remote host */ 00940 0x08, 0x00, /* Protocol: IP */ 00941 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00942 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00943 00944 0x02, /* Type == Boot reply */ 00945 0x01, 0x06, /* Hw Ethernet, 6 bytes addrlen */ 00946 0x00, /* 0 hops */ 00947 0xAA, 0xAA, 0xAA, 0xAA, /* Transaction id, will be overwritten */ 00948 0x00, 0x00, /* 0 seconds elapsed */ 00949 0x00, 0x00, /* Flags (unicast) */ 00950 0x00, 0x00, 0x00, 0x00, /* Client ip */ 00951 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00952 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server ip */ 00953 0x00, 0x00, 0x00, 0x00, /* relay agent */ 00954 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* MAC addr + padding */ 00955 00956 /* Empty server name */ 00957 0x34, 0x01, 0x02, 0xff, /* Overload: SNAME + END */ 00958 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00959 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00960 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00961 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00962 /* Empty boot file name */ 00963 0x34, 0x01, 0x01, 0xff, /* Overload FILE + END */ 00964 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00965 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00966 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00967 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00968 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00969 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00970 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00971 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00972 00973 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00974 0x35, 0x01, 0x02, /* Message type: Offer */ 00975 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Server identifier (IP) */ 00976 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00977 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00978 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Subnet mask */ 00979 0x34, 0x01, 0x03, /* Overload: FILE + SNAME */ 00980 0xff, /* End option */ 00981 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00982 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00983 }; 00984 ip4_addr_t addr; 00985 ip4_addr_t netmask; 00986 ip4_addr_t gw; 00987 u32_t xid; 00988 LWIP_UNUSED_ARG(_i); 00989 00990 tcase = TEST_LWIP_DHCP_INVALID_OVERLOAD; 00991 setdebug(0); 00992 00993 IP4_ADDR(&addr, 0, 0, 0, 0); 00994 IP4_ADDR(&netmask, 0, 0, 0, 0); 00995 IP4_ADDR(&gw, 0, 0, 0, 0); 00996 00997 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00998 netif_set_link_up(&net_test); 00999 netif_set_up(&net_test); 01000 01001 dhcp_start(&net_test); 01002 01003 fail_unless(txpacket == 1); /* DHCP discover sent */ 01004 xid = htonl(netif_dhcp_data(&net_test)->xid); 01005 memcpy(&dhcp_offer_invalid_overload[46], &xid, 4); /* insert correct transaction id */ 01006 dhcp_offer_invalid_overload[311] = 3; 01007 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload)); 01008 /* IP addresses should be zero */ 01009 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 01010 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 01011 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 01012 fail_unless(txpacket == 1); /* Nothing more sent */ 01013 01014 dhcp_offer_invalid_overload[311] = 2; 01015 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload)); 01016 /* IP addresses should be zero */ 01017 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 01018 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 01019 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 01020 fail_unless(txpacket == 1); /* Nothing more sent */ 01021 01022 dhcp_offer_invalid_overload[311] = 1; 01023 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload)); 01024 /* IP addresses should be zero */ 01025 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 01026 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 01027 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 01028 fail_unless(txpacket == 1); /* Nothing more sent */ 01029 01030 dhcp_offer_invalid_overload[311] = 0; 01031 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer)); 01032 01033 fail_unless(netif_dhcp_data(&net_test)->state == DHCP_STATE_REQUESTING); 01034 01035 fail_unless(txpacket == 2); /* No more sent */ 01036 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 01037 01038 tcase = TEST_NONE; 01039 dhcp_stop(&net_test); 01040 dhcp_cleanup(&net_test); 01041 netif_remove(&net_test); 01042 } 01043 END_TEST 01044 01045 /** Create the suite including all tests for this module */ 01046 Suite * 01047 dhcp_suite(void) 01048 { 01049 testfunc tests[] = { 01050 TESTFUNC(test_dhcp), 01051 TESTFUNC(test_dhcp_nak), 01052 TESTFUNC(test_dhcp_relayed), 01053 TESTFUNC(test_dhcp_nak_no_endmarker), 01054 TESTFUNC(test_dhcp_invalid_overload) 01055 }; 01056 return create_suite("DHCP", tests, sizeof(tests)/sizeof(testfunc), dhcp_setup, dhcp_teardown); 01057 }
Generated on Tue Jul 12 2022 13:54:56 by
1.7.2