diff options
Diffstat (limited to 'src/libsystemd-network/test-dhcp-option.c')
-rw-r--r-- | src/libsystemd-network/test-dhcp-option.c | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/src/libsystemd-network/test-dhcp-option.c b/src/libsystemd-network/test-dhcp-option.c deleted file mode 100644 index a63a4ea738..0000000000 --- a/src/libsystemd-network/test-dhcp-option.c +++ /dev/null @@ -1,382 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#include <stdio.h> -#include <stdbool.h> -#include <errno.h> -#include <string.h> - -#include "util.h" -#include "macro.h" - -#include "dhcp-protocol.h" -#include "dhcp-internal.h" - -struct option_desc { - uint8_t sname[64]; - int snamelen; - uint8_t file[128]; - int filelen; - uint8_t options[128]; - int len; - bool success; - int filepos; - int snamepos; - int pos; -}; - -static bool verbose = false; - -static struct option_desc option_tests[] = { - { {}, 0, {}, 0, { 42, 5, 65, 66, 67, 68, 69 }, 7, false, }, - { {}, 0, {}, 0, { 42, 5, 65, 66, 67, 68, 69, 0, 0, - DHCP_OPTION_MESSAGE_TYPE, 1, DHCP_ACK }, 12, true, }, - { {}, 0, {}, 0, { 8, 255, 70, 71, 72 }, 5, false, }, - { {}, 0, {}, 0, { 0x35, 0x01, 0x05, 0x36, 0x04, 0x01, 0x00, 0xa8, - 0xc0, 0x33, 0x04, 0x00, 0x01, 0x51, 0x80, 0x01, - 0x04, 0xff, 0xff, 0xff, 0x00, 0x03, 0x04, 0xc0, - 0xa8, 0x00, 0x01, 0x06, 0x04, 0xc0, 0xa8, 0x00, - 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, - 40, true, }, - { {}, 0, {}, 0, { DHCP_OPTION_MESSAGE_TYPE, 1, DHCP_OFFER, - 42, 3, 0, 0, 0 }, 8, true, }, - { {}, 0, {}, 0, { 42, 2, 1, 2, 44 }, 5, false, }, - - { {}, 0, - { 222, 3, 1, 2, 3, DHCP_OPTION_MESSAGE_TYPE, 1, DHCP_NAK }, 8, - { DHCP_OPTION_OVERLOAD, 1, DHCP_OVERLOAD_FILE }, 3, true, }, - - { { 1, 4, 1, 2, 3, 4, DHCP_OPTION_MESSAGE_TYPE, 1, DHCP_ACK }, 9, - { 222, 3, 1, 2, 3 }, 5, - { DHCP_OPTION_OVERLOAD, 1, - DHCP_OVERLOAD_FILE|DHCP_OVERLOAD_SNAME }, 3, true, }, -}; - -static const char *dhcp_type(int type) { - switch(type) { - case DHCP_DISCOVER: - return "DHCPDISCOVER"; - case DHCP_OFFER: - return "DHCPOFFER"; - case DHCP_REQUEST: - return "DHCPREQUEST"; - case DHCP_DECLINE: - return "DHCPDECLINE"; - case DHCP_ACK: - return "DHCPACK"; - case DHCP_NAK: - return "DHCPNAK"; - case DHCP_RELEASE: - return "DHCPRELEASE"; - default: - return "unknown"; - } -} - -static void test_invalid_buffer_length(void) { - DHCPMessage message; - - assert_se(dhcp_option_parse(&message, 0, NULL, NULL) == -EINVAL); - assert_se(dhcp_option_parse(&message, sizeof(DHCPMessage) - 1, NULL, NULL) - == -EINVAL); -} - -static void test_message_init(void) { - _cleanup_free_ DHCPMessage *message = NULL; - size_t optlen = 4, optoffset; - size_t len = sizeof(DHCPMessage) + optlen; - uint8_t *magic; - - message = malloc0(len); - - assert_se(dhcp_message_init(message, BOOTREQUEST, 0x12345678, - DHCP_DISCOVER, ARPHRD_ETHER, optlen, &optoffset) >= 0); - - assert_se(message->xid == htobe32(0x12345678)); - assert_se(message->op == BOOTREQUEST); - - magic = (uint8_t*)&message->magic; - - assert_se(magic[0] == 99); - assert_se(magic[1] == 130); - assert_se(magic[2] == 83); - assert_se(magic[3] == 99); - - assert_se(dhcp_option_parse(message, len, NULL, NULL) >= 0); -} - -static DHCPMessage *create_message(uint8_t *options, uint16_t optlen, - uint8_t *file, uint8_t filelen, - uint8_t *sname, uint8_t snamelen) { - DHCPMessage *message; - size_t len = sizeof(DHCPMessage) + optlen; - - message = malloc0(len); - assert_se(message); - - if (options && optlen) - memcpy(&message->options, options, optlen); - - if (file && filelen <= 128) - memcpy(&message->file, file, filelen); - - if (sname && snamelen <= 64) - memcpy(&message->sname, sname, snamelen); - - return message; -} - -static void test_ignore_opts(uint8_t *descoption, int *descpos, int *desclen) { - assert(*descpos >= 0); - - while (*descpos < *desclen) { - switch(descoption[*descpos]) { - case DHCP_OPTION_PAD: - *descpos += 1; - break; - - case DHCP_OPTION_MESSAGE_TYPE: - case DHCP_OPTION_OVERLOAD: - *descpos += 3; - break; - - default: - return; - } - } -} - -static int test_options_cb(uint8_t code, uint8_t len, const uint8_t *option, void *user_data) { - struct option_desc *desc = user_data; - uint8_t *descoption = NULL; - int *desclen = NULL, *descpos = NULL; - uint8_t optcode = 0; - uint8_t optlen = 0; - uint8_t i; - - assert_se((!desc && !code && !len) || desc); - - if (!desc) - return -EINVAL; - - assert_se(code != DHCP_OPTION_PAD); - assert_se(code != DHCP_OPTION_END); - assert_se(code != DHCP_OPTION_MESSAGE_TYPE); - assert_se(code != DHCP_OPTION_OVERLOAD); - - while (desc->pos >= 0 || desc->filepos >= 0 || desc->snamepos >= 0) { - - if (desc->pos >= 0) { - descoption = &desc->options[0]; - desclen = &desc->len; - descpos = &desc->pos; - } else if (desc->filepos >= 0) { - descoption = &desc->file[0]; - desclen = &desc->filelen; - descpos = &desc->filepos; - } else if (desc->snamepos >= 0) { - descoption = &desc->sname[0]; - desclen = &desc->snamelen; - descpos = &desc->snamepos; - } - - assert_se(descoption && desclen && descpos); - - if (*desclen) - test_ignore_opts(descoption, descpos, desclen); - - if (*descpos < *desclen) - break; - - if (*descpos == *desclen) - *descpos = -1; - } - - assert_se(descpos); - assert_se(*descpos != -1); - - optcode = descoption[*descpos]; - optlen = descoption[*descpos + 1]; - - if (verbose) - printf("DHCP code %2d(%2d) len %2d(%2d) ", code, optcode, - len, optlen); - - assert_se(code == optcode); - assert_se(len == optlen); - - for (i = 0; i < len; i++) { - - if (verbose) - printf("0x%02x(0x%02x) ", option[i], - descoption[*descpos + 2 + i]); - - assert_se(option[i] == descoption[*descpos + 2 + i]); - } - - if (verbose) - printf("\n"); - - *descpos += optlen + 2; - - test_ignore_opts(descoption, descpos, desclen); - - if (desc->pos != -1 && desc->pos == desc->len) - desc->pos = -1; - - if (desc->filepos != -1 && desc->filepos == desc->filelen) - desc->filepos = -1; - - if (desc->snamepos != -1 && desc->snamepos == desc->snamelen) - desc->snamepos = -1; - - return 0; -} - -static void test_options(struct option_desc *desc) { - uint8_t *options = NULL; - uint8_t *file = NULL; - uint8_t *sname = NULL; - int optlen = 0; - int filelen = 0; - int snamelen = 0; - int buflen = 0; - _cleanup_free_ DHCPMessage *message = NULL; - int res; - - if (desc) { - file = &desc->file[0]; - filelen = desc->filelen; - if (!filelen) - desc->filepos = -1; - - sname = &desc->sname[0]; - snamelen = desc->snamelen; - if (!snamelen) - desc->snamepos = -1; - - options = &desc->options[0]; - optlen = desc->len; - desc->pos = 0; - } - message = create_message(options, optlen, file, filelen, - sname, snamelen); - - buflen = sizeof(DHCPMessage) + optlen; - - if (!desc) { - assert_se((res = dhcp_option_parse(message, buflen, - test_options_cb, - NULL)) == -ENOMSG); - } else if (desc->success) { - assert_se((res = dhcp_option_parse(message, buflen, - test_options_cb, - desc)) >= 0); - assert_se(desc->pos == -1 && desc->filepos == -1 && - desc->snamepos == -1); - } else - assert_se((res = dhcp_option_parse(message, buflen, - test_options_cb, - desc)) < 0); - - if (verbose) - printf("DHCP type %s\n", dhcp_type(res)); -} - -static uint8_t options[64] = { - 'A', 'B', 'C', 'D', - 160, 2, 0x11, 0x12, - 0, - 31, 8, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, - 0, - 55, 3, 0x51, 0x52, 0x53, - 17, 7, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, - 255 -}; - -static void test_option_set(void) { - _cleanup_free_ DHCPMessage *result = NULL; - size_t offset = 0, len, pos; - unsigned i; - - result = malloc0(sizeof(DHCPMessage) + 11); - assert_se(result); - - result->options[0] = 'A'; - result->options[1] = 'B'; - result->options[2] = 'C'; - result->options[3] = 'D'; - - assert_se(dhcp_option_append(result, 0, &offset, 0, DHCP_OPTION_PAD, - 0, NULL) == -ENOBUFS); - assert_se(offset == 0); - - offset = 4; - assert_se(dhcp_option_append(result, 5, &offset, 0, DHCP_OPTION_PAD, - 0, NULL) == -ENOBUFS); - assert_se(offset == 4); - assert_se(dhcp_option_append(result, 6, &offset, 0, DHCP_OPTION_PAD, - 0, NULL) >= 0); - assert_se(offset == 5); - - offset = pos = 4; - len = 11; - while (pos < len && options[pos] != DHCP_OPTION_END) { - assert_se(dhcp_option_append(result, len, &offset, DHCP_OVERLOAD_SNAME, - options[pos], - options[pos + 1], - &options[pos + 2]) >= 0); - - if (options[pos] == DHCP_OPTION_PAD) - pos++; - else - pos += 2 + options[pos + 1]; - - if (pos < len) - assert_se(offset == pos); - } - - for (i = 0; i < 9; i++) { - if (verbose) - printf("%2u: 0x%02x(0x%02x) (options)\n", i, result->options[i], - options[i]); - assert_se(result->options[i] == options[i]); - } - - if (verbose) - printf("%2d: 0x%02x(0x%02x) (options)\n", 9, result->options[9], - DHCP_OPTION_END); - - assert_se(result->options[9] == DHCP_OPTION_END); - - if (verbose) - printf("%2d: 0x%02x(0x%02x) (options)\n", 10, result->options[10], - DHCP_OPTION_PAD); - - assert_se(result->options[10] == DHCP_OPTION_PAD); - - for (i = 0; i < pos - 8; i++) { - if (verbose) - printf("%2u: 0x%02x(0x%02x) (sname)\n", i, result->sname[i], - options[i + 9]); - assert_se(result->sname[i] == options[i + 9]); - } - - if (verbose) - printf ("\n"); -} - -int main(int argc, char *argv[]) { - unsigned i; - - test_invalid_buffer_length(); - test_message_init(); - - test_options(NULL); - - for (i = 0; i < ELEMENTSOF(option_tests); i++) - test_options(&option_tests[i]); - - test_option_set(); - - return 0; -} |