ON Semiconductor
/
mbed-os
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: mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510
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 "netif/etharp.h" 00006 00007 struct netif net_test; 00008 00009 static const u8_t broadcast[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 00010 00011 static const u8_t magic_cookie[] = { 0x63, 0x82, 0x53, 0x63 }; 00012 00013 static u8_t dhcp_offer[] = { 00014 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00015 0x00, 0x0F, 0xEE, 0x30, 0xAB, 0x22, /* From Remote host */ 00016 0x08, 0x00, /* Protocol: IP */ 00017 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00018 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00019 00020 0x02, /* Type == Boot reply */ 00021 0x01, 0x06, /* Hw Ethernet, 6 bytes addrlen */ 00022 0x00, /* 0 hops */ 00023 0xAA, 0xAA, 0xAA, 0xAA, /* Transaction id, will be overwritten */ 00024 0x00, 0x00, /* 0 seconds elapsed */ 00025 0x00, 0x00, /* Flags (unicast) */ 00026 0x00, 0x00, 0x00, 0x00, /* Client ip */ 00027 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00028 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server ip */ 00029 0x00, 0x00, 0x00, 0x00, /* relay agent */ 00030 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* MAC addr + padding */ 00031 00032 /* Empty server name and boot file name */ 00033 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00034 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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, 00045 00046 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00047 0x35, 0x01, 0x02, /* Message type: Offer */ 00048 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Server identifier (IP) */ 00049 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00050 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00051 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Subnet mask */ 00052 0xff, /* End option */ 00053 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00054 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00055 }; 00056 00057 static u8_t dhcp_ack[] = { 00058 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00059 0x00, 0x0f, 0xEE, 0x30, 0xAB, 0x22, /* From remote host */ 00060 0x08, 0x00, /* Proto IP */ 00061 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00062 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00063 0x02, /* Bootp reply */ 00064 0x01, 0x06, /* Hw type Eth, len 6 */ 00065 0x00, /* 0 hops */ 00066 0xAA, 0xAA, 0xAA, 0xAA, 00067 0x00, 0x00, /* 0 seconds elapsed */ 00068 0x00, 0x00, /* Flags (unicast) */ 00069 0x00, 0x00, 0x00, 0x00, /* Client IP */ 00070 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00071 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server IP */ 00072 0x00, 0x00, 0x00, 0x00, /* Relay agent */ 00073 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Macaddr + padding */ 00074 00075 /* Empty server name and boot file name */ 00076 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00077 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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, 00088 00089 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00090 0x35, 0x01, 0x05, /* Dhcp message type ack */ 00091 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server identifier */ 00092 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00093 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00094 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Netmask */ 00095 0xff, /* End marker */ 00096 00097 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00098 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00099 }; 00100 00101 static const u8_t arpreply[] = { 00102 0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* dst mac */ 00103 0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* src mac */ 00104 0x08, 0x06, /* proto arp */ 00105 0x00, 0x01, /* hw eth */ 00106 0x08, 0x00, /* proto ip */ 00107 0x06, /* hw addr len 6 */ 00108 0x04, /* proto addr len 4 */ 00109 0x00, 0x02, /* arp reply */ 00110 0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* sender mac */ 00111 0xc3, 0xaa, 0xbd, 0xc8, /* sender ip */ 00112 0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* target mac */ 00113 0x00, 0x00, 0x00, 0x00, /* target ip */ 00114 }; 00115 00116 static int txpacket; 00117 static enum tcase { 00118 TEST_LWIP_DHCP, 00119 TEST_LWIP_DHCP_NAK, 00120 TEST_LWIP_DHCP_RELAY, 00121 TEST_LWIP_DHCP_NAK_NO_ENDMARKER, 00122 TEST_LWIP_DHCP_INVALID_OVERLOAD 00123 } tcase; 00124 00125 static int debug = 0; 00126 static void setdebug(int a) {debug = a;} 00127 00128 static int tick = 0; 00129 static void tick_lwip(void) 00130 { 00131 tick++; 00132 if (tick % 5 == 0) { 00133 dhcp_fine_tmr(); 00134 } 00135 if (tick % 600 == 0) { 00136 dhcp_coarse_tmr(); 00137 } 00138 } 00139 00140 static void send_pkt(struct netif *netif, const u8_t *data, size_t len) 00141 { 00142 struct pbuf *p, *q; 00143 LWIP_ASSERT("pkt too big", len <= 0xFFFF); 00144 p = pbuf_alloc(PBUF_RAW, (u16_t)len, PBUF_POOL); 00145 00146 if (debug) { 00147 /* Dump data */ 00148 u32_t i; 00149 printf("RX data (len %d)", p->tot_len); 00150 for (i = 0; i < len; i++) { 00151 printf(" %02X", data[i]); 00152 } 00153 printf("\n"); 00154 } 00155 00156 fail_unless(p != NULL); 00157 for(q = p; q != NULL; q = q->next) { 00158 memcpy(q->payload, data, q->len); 00159 data += q->len; 00160 } 00161 netif->input(p, netif); 00162 } 00163 00164 static err_t lwip_tx_func(struct netif *netif, struct pbuf *p); 00165 00166 static err_t testif_init(struct netif *netif) 00167 { 00168 netif->name[0] = 'c'; 00169 netif->name[1] = 'h'; 00170 netif->output = etharp_output; 00171 netif->linkoutput = lwip_tx_func; 00172 netif->mtu = 1500; 00173 netif->hwaddr_len = 6; 00174 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP; 00175 00176 netif->hwaddr[0] = 0x00; 00177 netif->hwaddr[1] = 0x23; 00178 netif->hwaddr[2] = 0xC1; 00179 netif->hwaddr[3] = 0xDE; 00180 netif->hwaddr[4] = 0xD0; 00181 netif->hwaddr[5] = 0x0D; 00182 00183 return ERR_OK; 00184 } 00185 00186 static void dhcp_setup(void) 00187 { 00188 txpacket = 0; 00189 } 00190 00191 static void dhcp_teardown(void) 00192 { 00193 } 00194 00195 static void check_pkt(struct pbuf *p, u32_t pos, const u8_t *mem, u32_t len) 00196 { 00197 u8_t *data; 00198 00199 fail_if((pos + len) > p->tot_len); 00200 while (pos > p->len && p->next) { 00201 pos -= p->len; 00202 p = p->next; 00203 } 00204 fail_if(p == NULL); 00205 fail_unless(pos + len <= p->len); /* All data we seek within same pbuf */ 00206 00207 data = (u8_t*)p->payload; 00208 fail_if(memcmp(&data[pos], mem, len), "data at pos %d, len %d in packet %d did not match", pos, len, txpacket); 00209 } 00210 00211 static void check_pkt_fuzzy(struct pbuf *p, u32_t startpos, const u8_t *mem, u32_t len) 00212 { 00213 int found; 00214 u32_t i; 00215 u8_t *data; 00216 00217 fail_if((startpos + len) > p->tot_len); 00218 while (startpos > p->len && p->next) { 00219 startpos -= p->len; 00220 p = p->next; 00221 } 00222 fail_if(p == NULL); 00223 fail_unless(startpos + len <= p->len); /* All data we seek within same pbuf */ 00224 00225 found = 0; 00226 data = (u8_t*)p->payload; 00227 for (i = startpos; i <= (p->len - len); i++) { 00228 if (memcmp(&data[i], mem, len) == 0) { 00229 found = 1; 00230 break; 00231 } 00232 } 00233 fail_unless(found); 00234 } 00235 00236 static err_t lwip_tx_func(struct netif *netif, struct pbuf *p) 00237 { 00238 fail_unless(netif == &net_test); 00239 txpacket++; 00240 00241 if (debug) { 00242 struct pbuf *pp = p; 00243 /* Dump data */ 00244 printf("TX data (pkt %d, len %d, tick %d)", txpacket, p->tot_len, tick); 00245 do { 00246 int i; 00247 for (i = 0; i < pp->len; i++) { 00248 printf(" %02X", ((u8_t *) pp->payload)[i]); 00249 } 00250 if (pp->next) { 00251 pp = pp->next; 00252 } 00253 } while (pp->next); 00254 printf("\n"); 00255 } 00256 00257 switch (tcase) { 00258 case TEST_LWIP_DHCP: 00259 switch (txpacket) { 00260 case 1: 00261 case 2: 00262 { 00263 const u8_t ipproto[] = { 0x08, 0x00 }; 00264 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00265 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00266 00267 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00268 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00269 00270 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00271 00272 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00273 00274 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00275 00276 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00277 00278 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00279 00280 /* Check dchp message type, can be at different positions */ 00281 if (txpacket == 1) { 00282 u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 }; 00283 check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt)); 00284 } else if (txpacket == 2) { 00285 u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00286 u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* Ask for offered IP */ 00287 00288 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00289 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00290 } 00291 break; 00292 } 00293 case 3: 00294 case 4: 00295 case 5: 00296 { 00297 const u8_t arpproto[] = { 0x08, 0x06 }; 00298 00299 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00300 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00301 00302 check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */ 00303 break; 00304 } 00305 default: 00306 fail(); 00307 break; 00308 } 00309 break; 00310 00311 case TEST_LWIP_DHCP_NAK: 00312 { 00313 const u8_t ipproto[] = { 0x08, 0x00 }; 00314 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00315 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00316 const u8_t dhcp_nak_opt[] = { 0x35, 0x01, 0x04 }; 00317 const u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* offered IP */ 00318 00319 fail_unless(txpacket == 4); 00320 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00321 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00322 00323 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00324 00325 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00326 00327 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00328 00329 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00330 00331 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00332 00333 check_pkt_fuzzy(p, 282, dhcp_nak_opt, sizeof(dhcp_nak_opt)); /* NAK the ack */ 00334 00335 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00336 break; 00337 } 00338 00339 case TEST_LWIP_DHCP_RELAY: 00340 switch (txpacket) { 00341 case 1: 00342 case 2: 00343 { 00344 const u8_t ipproto[] = { 0x08, 0x00 }; 00345 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00346 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00347 00348 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00349 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00350 00351 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00352 00353 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00354 00355 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00356 00357 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00358 00359 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00360 00361 /* Check dchp message type, can be at different positions */ 00362 if (txpacket == 1) { 00363 u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 }; 00364 check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt)); 00365 } else if (txpacket == 2) { 00366 u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00367 u8_t requested_ipaddr[] = { 0x32, 0x04, 0x4f, 0x8a, 0x33, 0x05 }; /* Ask for offered IP */ 00368 00369 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00370 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00371 } 00372 break; 00373 } 00374 case 3: 00375 case 4: 00376 case 5: 00377 case 6: 00378 { 00379 const u8_t arpproto[] = { 0x08, 0x06 }; 00380 00381 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00382 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00383 00384 check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */ 00385 break; 00386 } 00387 case 7: 00388 { 00389 const u8_t fake_arp[6] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab }; 00390 const u8_t ipproto[] = { 0x08, 0x00 }; 00391 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00392 const u8_t ipaddrs[] = { 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00393 const u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00394 00395 check_pkt(p, 0, fake_arp, 6); /* eth level dest: broadcast */ 00396 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00397 00398 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00399 00400 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00401 00402 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00403 00404 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00405 00406 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00407 00408 /* Check dchp message type, can be at different positions */ 00409 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00410 break; 00411 } 00412 default: 00413 fail(); 00414 break; 00415 } 00416 break; 00417 00418 default: 00419 break; 00420 } 00421 00422 return ERR_OK; 00423 } 00424 00425 /* 00426 * Test basic happy flow DHCP session. 00427 * Validate that xid is checked. 00428 */ 00429 START_TEST(test_dhcp) 00430 { 00431 ip4_addr_t addr; 00432 ip4_addr_t netmask; 00433 ip4_addr_t gw; 00434 int i; 00435 u32_t xid; 00436 LWIP_UNUSED_ARG(_i); 00437 00438 tcase = TEST_LWIP_DHCP; 00439 setdebug(0); 00440 00441 IP4_ADDR(&addr, 0, 0, 0, 0); 00442 IP4_ADDR(&netmask, 0, 0, 0, 0); 00443 IP4_ADDR(&gw, 0, 0, 0, 0); 00444 00445 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00446 netif_set_up(&net_test); 00447 00448 dhcp_start(&net_test); 00449 00450 fail_unless(txpacket == 1); /* DHCP discover sent */ 00451 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00452 memcpy(&dhcp_offer[46], &xid, 4); 00453 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00454 00455 /* IP addresses should be zero */ 00456 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00457 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00458 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00459 00460 fail_unless(txpacket == 1, "TX %d packets, expected 1", txpacket); /* Nothing more sent */ 00461 xid = htonl(net_test.dhcp->xid); 00462 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00463 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00464 00465 fail_unless(txpacket == 2, "TX %d packets, expected 2", txpacket); /* DHCP request sent */ 00466 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00467 memcpy(&dhcp_ack[46], &xid, 4); 00468 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00469 00470 fail_unless(txpacket == 2, "TX %d packets, still expected 2", txpacket); /* No more sent */ 00471 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00472 memcpy(&dhcp_ack[46], &xid, 4); /* insert transaction id */ 00473 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00474 00475 for (i = 0; i < 20; i++) { 00476 tick_lwip(); 00477 } 00478 fail_unless(txpacket == 5, "TX %d packets, expected 5", txpacket); /* ARP requests sent */ 00479 00480 /* Interface up */ 00481 fail_unless(netif_is_up(&net_test)); 00482 00483 /* Now it should have taken the IP */ 00484 IP4_ADDR(&addr, 195, 170, 189, 200); 00485 IP4_ADDR(&netmask, 255, 255, 255, 0); 00486 IP4_ADDR(&gw, 195, 170, 189, 171); 00487 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00488 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00489 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00490 00491 netif_remove(&net_test); 00492 } 00493 END_TEST 00494 00495 /* 00496 * Test that IP address is not taken and NAK is sent if someone 00497 * replies to ARP requests for the offered address. 00498 */ 00499 START_TEST(test_dhcp_nak) 00500 { 00501 ip4_addr_t addr; 00502 ip4_addr_t netmask; 00503 ip4_addr_t gw; 00504 u32_t xid; 00505 LWIP_UNUSED_ARG(_i); 00506 00507 tcase = TEST_LWIP_DHCP; 00508 setdebug(0); 00509 00510 IP4_ADDR(&addr, 0, 0, 0, 0); 00511 IP4_ADDR(&netmask, 0, 0, 0, 0); 00512 IP4_ADDR(&gw, 0, 0, 0, 0); 00513 00514 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00515 netif_set_up(&net_test); 00516 00517 dhcp_start(&net_test); 00518 00519 fail_unless(txpacket == 1); /* DHCP discover sent */ 00520 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00521 memcpy(&dhcp_offer[46], &xid, 4); 00522 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00523 00524 /* IP addresses should be zero */ 00525 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00526 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00527 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00528 00529 fail_unless(txpacket == 1); /* Nothing more sent */ 00530 xid = htonl(net_test.dhcp->xid); 00531 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00532 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00533 00534 fail_unless(txpacket == 2); /* DHCP request sent */ 00535 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00536 memcpy(&dhcp_ack[46], &xid, 4); 00537 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00538 00539 fail_unless(txpacket == 2); /* No more sent */ 00540 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00541 memcpy(&dhcp_ack[46], &xid, 4); /* insert transaction id */ 00542 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00543 00544 fail_unless(txpacket == 3); /* ARP request sent */ 00545 00546 tcase = TEST_LWIP_DHCP_NAK; /* Switch testcase */ 00547 00548 /* Send arp reply, mark offered IP as taken */ 00549 send_pkt(&net_test, arpreply, sizeof(arpreply)); 00550 00551 fail_unless(txpacket == 4); /* DHCP nak sent */ 00552 00553 netif_remove(&net_test); 00554 } 00555 END_TEST 00556 00557 /* 00558 * Test case based on captured data where 00559 * replies are sent from a different IP than the 00560 * one the client unicasted to. 00561 */ 00562 START_TEST(test_dhcp_relayed) 00563 { 00564 u8_t relay_offer[] = { 00565 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 00566 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, 00567 0x08, 0x00, 0x45, 0x00, 00568 0x01, 0x38, 0xfd, 0x53, 0x00, 0x00, 0x40, 0x11, 00569 0x78, 0x46, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00570 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00571 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35, 00572 0xb6, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00573 0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00574 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00575 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00576 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00577 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00578 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00579 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00580 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00581 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00582 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00583 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00584 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00585 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00586 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00587 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00588 0x00, 0x00, 0x00, 0x00, 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, 0x63, 0x82, 00601 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00602 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00603 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00604 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00605 0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x02, 0x36, 00606 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff 00607 }; 00608 00609 u8_t relay_ack1[] = { 00610 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x22, 00611 0x93, 0x5a, 0xf7, 0x60, 0x08, 0x00, 0x45, 0x00, 00612 0x01, 0x38, 0xfd, 0x55, 0x00, 0x00, 0x40, 0x11, 00613 0x78, 0x44, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00614 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00615 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35, 00616 0xb6, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00617 0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00618 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00619 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00620 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00621 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00622 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00623 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00624 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00625 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00626 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00627 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00628 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00629 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00630 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00631 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00632 0x00, 0x00, 0x00, 0x00, 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, 0x63, 0x82, 00645 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00646 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00647 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00648 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00649 0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x05, 0x36, 00650 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff 00651 }; 00652 00653 u8_t relay_ack2[] = { 00654 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 00655 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, 00656 0x08, 0x00, 0x45, 0x00, 00657 0x01, 0x38, 0xfa, 0x18, 0x00, 0x00, 0x40, 0x11, 00658 0x7b, 0x81, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00659 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00660 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x49, 0x8b, 00661 0x6e, 0xab, 0x00, 0x00, 0x00, 0x00, 0x4f, 0x8a, 00662 0x33, 0x05, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00663 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00664 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00665 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00666 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00667 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00668 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00669 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00670 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00671 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00672 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00673 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00674 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00675 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00676 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00677 0x00, 0x00, 0x00, 0x00, 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, 0x63, 0x82, 00690 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00691 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00692 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00693 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00694 0x00, 0x00, 0x54, 0x60, 0x35, 0x01, 0x05, 0x36, 00695 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff }; 00696 00697 const u8_t arp_resp[] = { 00698 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* DEST */ 00699 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, /* SRC */ 00700 0x08, 0x06, /* Type: ARP */ 00701 0x00, 0x01, /* HW: Ethernet */ 00702 0x08, 0x00, /* PROTO: IP */ 00703 0x06, /* HW size */ 00704 0x04, /* PROTO size */ 00705 0x00, 0x02, /* OPCODE: Reply */ 00706 00707 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab, /* Target MAC */ 00708 0x4f, 0x8a, 0x32, 0x01, /* Target IP */ 00709 00710 0x00, 0x23, 0xc1, 0x00, 0x06, 0x50, /* src mac */ 00711 0x4f, 0x8a, 0x33, 0x05, /* src ip */ 00712 00713 /* Padding follows.. */ 00714 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00715 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00716 0x00, 0x00, 0x00, 0x00 }; 00717 00718 ip4_addr_t addr; 00719 ip4_addr_t netmask; 00720 ip4_addr_t gw; 00721 int i; 00722 u32_t xid; 00723 LWIP_UNUSED_ARG(_i); 00724 00725 tcase = TEST_LWIP_DHCP_RELAY; 00726 setdebug(0); 00727 00728 IP4_ADDR(&addr, 0, 0, 0, 0); 00729 IP4_ADDR(&netmask, 0, 0, 0, 0); 00730 IP4_ADDR(&gw, 0, 0, 0, 0); 00731 00732 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00733 netif_set_up(&net_test); 00734 00735 dhcp_start(&net_test); 00736 00737 fail_unless(txpacket == 1); /* DHCP discover sent */ 00738 00739 /* IP addresses should be zero */ 00740 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00741 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00742 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00743 00744 fail_unless(txpacket == 1); /* Nothing more sent */ 00745 xid = htonl(net_test.dhcp->xid); 00746 memcpy(&relay_offer[46], &xid, 4); /* insert correct transaction id */ 00747 send_pkt(&net_test, relay_offer, sizeof(relay_offer)); 00748 00749 /* request sent? */ 00750 fail_unless(txpacket == 2, "txpkt = %d, should be 2", txpacket); 00751 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00752 memcpy(&relay_ack1[46], &xid, 4); /* insert transaction id */ 00753 send_pkt(&net_test, relay_ack1, sizeof(relay_ack1)); 00754 00755 for (i = 0; i < 25; i++) { 00756 tick_lwip(); 00757 } 00758 fail_unless(txpacket == 5, "txpkt should be 5, is %d", txpacket); /* ARP requests sent */ 00759 00760 /* Interface up */ 00761 fail_unless(netif_is_up(&net_test)); 00762 00763 /* Now it should have taken the IP */ 00764 IP4_ADDR(&addr, 79, 138, 51, 5); 00765 IP4_ADDR(&netmask, 255, 255, 254, 0); 00766 IP4_ADDR(&gw, 79, 138, 50, 1); 00767 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00768 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00769 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00770 00771 fail_unless(txpacket == 5, "txpacket = %d", txpacket); 00772 00773 for (i = 0; i < 108000 - 25; i++) { 00774 tick_lwip(); 00775 } 00776 00777 fail_unless(netif_is_up(&net_test)); 00778 fail_unless(txpacket == 6, "txpacket = %d", txpacket); 00779 00780 /* We need to send arp response here.. */ 00781 00782 send_pkt(&net_test, arp_resp, sizeof(arp_resp)); 00783 00784 fail_unless(txpacket == 7, "txpacket = %d", txpacket); 00785 fail_unless(netif_is_up(&net_test)); 00786 00787 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00788 memcpy(&relay_ack2[46], &xid, 4); /* insert transaction id */ 00789 send_pkt(&net_test, relay_ack2, sizeof(relay_ack2)); 00790 00791 for (i = 0; i < 100000; i++) { 00792 tick_lwip(); 00793 } 00794 00795 fail_unless(txpacket == 7, "txpacket = %d", txpacket); 00796 00797 netif_remove(&net_test); 00798 00799 } 00800 END_TEST 00801 00802 START_TEST(test_dhcp_nak_no_endmarker) 00803 { 00804 ip4_addr_t addr; 00805 ip4_addr_t netmask; 00806 ip4_addr_t gw; 00807 00808 u8_t dhcp_nack_no_endmarker[] = { 00809 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x54, 0x75, 00810 0xd0, 0x26, 0xd0, 0x0d, 0x08, 0x00, 0x45, 0x00, 00811 0x01, 0x15, 0x38, 0x86, 0x00, 0x00, 0xff, 0x11, 00812 0xc0, 0xa8, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xff, 00813 0xff, 0xff, 0x00, 0x43, 0x00, 0x44, 0x01, 0x01, 00814 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x7a, 0xcb, 00815 0xba, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00816 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00817 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 00818 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00819 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00820 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00821 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00822 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00823 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00824 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00825 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00826 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00827 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00828 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00829 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00830 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00831 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00832 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00833 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00834 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00835 0x00, 0x00, 0x00, 0x00, 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, 0x63, 0x82, 00844 0x53, 0x63, 0x35, 0x01, 0x06, 0x36, 0x04, 0xc0, 00845 0xa8, 0x01, 0x01, 0x31, 0xef, 0xad, 0x72, 0x31, 00846 0x43, 0x4e, 0x44, 0x30, 0x32, 0x35, 0x30, 0x43, 00847 0x52, 0x47, 0x44, 0x38, 0x35, 0x36, 0x3c, 0x08, 00848 0x4d, 0x53, 0x46, 0x54, 0x20, 0x35, 0x2e, 0x30, 00849 0x37, 0x0d, 0x01, 0x0f, 0x03, 0x06, 0x2c, 0x2e, 00850 0x2f, 0x1f, 0x21, 0x79, 0xf9, 0x2b, 0xfc, 0xff, 00851 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe2, 0x71, 00852 0xf3, 0x5b, 0xe2, 0x71, 0x2e, 0x01, 0x08, 0x03, 00853 0x04, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xeb, 0x1e, 00854 0x44, 0xec, 0xeb, 0x1e, 0x30, 0x37, 0x0c, 0x01, 00855 0x0f, 0x03, 0x06, 0x2c, 0x2e, 0x2f, 0x1f, 0x21, 00856 0x79, 0xf9, 0x2b, 0xff, 0x25, 0xc0, 0x09, 0xd6, 00857 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00858 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 00859 }; 00860 u32_t xid; 00861 LWIP_UNUSED_ARG(_i); 00862 00863 tcase = TEST_LWIP_DHCP_NAK_NO_ENDMARKER; 00864 setdebug(0); 00865 00866 IP4_ADDR(&addr, 0, 0, 0, 0); 00867 IP4_ADDR(&netmask, 0, 0, 0, 0); 00868 IP4_ADDR(&gw, 0, 0, 0, 0); 00869 00870 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00871 netif_set_up(&net_test); 00872 00873 dhcp_start(&net_test); 00874 00875 fail_unless(txpacket == 1); /* DHCP discover sent */ 00876 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00877 memcpy(&dhcp_offer[46], &xid, 4); 00878 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00879 00880 /* IP addresses should be zero */ 00881 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00882 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00883 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00884 00885 fail_unless(txpacket == 1); /* Nothing more sent */ 00886 xid = htonl(net_test.dhcp->xid); 00887 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00888 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00889 00890 fail_unless(net_test.dhcp->state == DHCP_STATE_REQUESTING); 00891 00892 fail_unless(txpacket == 2); /* No more sent */ 00893 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00894 memcpy(&dhcp_nack_no_endmarker[46], &xid, 4); /* insert transaction id */ 00895 send_pkt(&net_test, dhcp_nack_no_endmarker, sizeof(dhcp_nack_no_endmarker)); 00896 00897 /* NAK should put us in another state for a while, no other way detecting it */ 00898 fail_unless(net_test.dhcp->state != DHCP_STATE_REQUESTING); 00899 00900 netif_remove(&net_test); 00901 } 00902 END_TEST 00903 00904 START_TEST(test_dhcp_invalid_overload) 00905 { 00906 u8_t dhcp_offer_invalid_overload[] = { 00907 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00908 0x00, 0x0F, 0xEE, 0x30, 0xAB, 0x22, /* From Remote host */ 00909 0x08, 0x00, /* Protocol: IP */ 00910 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00911 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00912 00913 0x02, /* Type == Boot reply */ 00914 0x01, 0x06, /* Hw Ethernet, 6 bytes addrlen */ 00915 0x00, /* 0 hops */ 00916 0xAA, 0xAA, 0xAA, 0xAA, /* Transaction id, will be overwritten */ 00917 0x00, 0x00, /* 0 seconds elapsed */ 00918 0x00, 0x00, /* Flags (unicast) */ 00919 0x00, 0x00, 0x00, 0x00, /* Client ip */ 00920 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00921 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server ip */ 00922 0x00, 0x00, 0x00, 0x00, /* relay agent */ 00923 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* MAC addr + padding */ 00924 00925 /* Empty server name */ 00926 0x34, 0x01, 0x02, 0xff, /* Overload: SNAME + END */ 00927 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00928 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00929 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00930 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00931 /* Empty boot file name */ 00932 0x34, 0x01, 0x01, 0xff, /* Overload FILE + END */ 00933 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00934 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00935 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00936 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00937 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00938 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00939 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00940 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00941 00942 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00943 0x35, 0x01, 0x02, /* Message type: Offer */ 00944 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Server identifier (IP) */ 00945 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00946 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00947 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Subnet mask */ 00948 0x34, 0x01, 0x03, /* Overload: FILE + SNAME */ 00949 0xff, /* End option */ 00950 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00951 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00952 }; 00953 ip4_addr_t addr; 00954 ip4_addr_t netmask; 00955 ip4_addr_t gw; 00956 u32_t xid; 00957 LWIP_UNUSED_ARG(_i); 00958 00959 tcase = TEST_LWIP_DHCP_INVALID_OVERLOAD; 00960 setdebug(0); 00961 00962 IP4_ADDR(&addr, 0, 0, 0, 0); 00963 IP4_ADDR(&netmask, 0, 0, 0, 0); 00964 IP4_ADDR(&gw, 0, 0, 0, 0); 00965 00966 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00967 netif_set_up(&net_test); 00968 00969 dhcp_start(&net_test); 00970 00971 fail_unless(txpacket == 1); /* DHCP discover sent */ 00972 xid = htonl(netif_dhcp_data(&net_test)->xid); 00973 memcpy(&dhcp_offer_invalid_overload[46], &xid, 4); /* insert correct transaction id */ 00974 dhcp_offer_invalid_overload[311] = 3; 00975 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload)); 00976 /* IP addresses should be zero */ 00977 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00978 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00979 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00980 fail_unless(txpacket == 1); /* Nothing more sent */ 00981 00982 dhcp_offer_invalid_overload[311] = 2; 00983 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload)); 00984 /* IP addresses should be zero */ 00985 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00986 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00987 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00988 fail_unless(txpacket == 1); /* Nothing more sent */ 00989 00990 dhcp_offer_invalid_overload[311] = 1; 00991 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload)); 00992 /* IP addresses should be zero */ 00993 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00994 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00995 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00996 fail_unless(txpacket == 1); /* Nothing more sent */ 00997 00998 dhcp_offer_invalid_overload[311] = 0; 00999 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer)); 01000 01001 fail_unless(netif_dhcp_data(&net_test)->state == DHCP_STATE_REQUESTING); 01002 01003 fail_unless(txpacket == 2); /* No more sent */ 01004 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 01005 01006 netif_remove(&net_test); 01007 } 01008 END_TEST 01009 01010 /** Create the suite including all tests for this module */ 01011 Suite * 01012 dhcp_suite(void) 01013 { 01014 testfunc tests[] = { 01015 TESTFUNC(test_dhcp), 01016 TESTFUNC(test_dhcp_nak), 01017 TESTFUNC(test_dhcp_relayed), 01018 TESTFUNC(test_dhcp_nak_no_endmarker), 01019 TESTFUNC(test_dhcp_invalid_overload) 01020 }; 01021 return create_suite("DHCP", tests, sizeof(tests)/sizeof(testfunc), dhcp_setup, dhcp_teardown); 01022 }
Generated on Tue Jul 12 2022 11:02:55 by
1.7.2