diff options
Diffstat (limited to 'libevent-2.0.20-stable/test/regress_util.c')
| -rw-r--r-- | libevent-2.0.20-stable/test/regress_util.c | 1094 |
1 files changed, 1094 insertions, 0 deletions
diff --git a/libevent-2.0.20-stable/test/regress_util.c b/libevent-2.0.20-stable/test/regress_util.c new file mode 100644 index 0000000..71830a6 --- /dev/null +++ b/libevent-2.0.20-stable/test/regress_util.c @@ -0,0 +1,1094 @@ +/* + * Copyright (c) 2009-2012 Nick Mathewson and Niels Provos + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifdef WIN32 +#include <winsock2.h> +#include <windows.h> +#include <ws2tcpip.h> +#endif + +#include "event2/event-config.h" + +#include <sys/types.h> + +#ifndef WIN32 +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <unistd.h> +#endif +#ifdef _EVENT_HAVE_NETINET_IN6_H +#include <netinet/in6.h> +#endif +#ifdef _EVENT_HAVE_SYS_WAIT_H +#include <sys/wait.h> +#endif +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event2/event.h" +#include "event2/util.h" +#include "../ipv6-internal.h" +#include "../util-internal.h" +#include "../log-internal.h" +#include "../strlcpy-internal.h" + +#include "regress.h" + +enum entry_status { NORMAL, CANONICAL, BAD }; + +/* This is a big table of results we expect from generating and parsing */ +static struct ipv4_entry { + const char *addr; + ev_uint32_t res; + enum entry_status status; +} ipv4_entries[] = { + { "1.2.3.4", 0x01020304u, CANONICAL }, + { "255.255.255.255", 0xffffffffu, CANONICAL }, + { "256.0.0.0", 0, BAD }, + { "ABC", 0, BAD }, + { "1.2.3.4.5", 0, BAD }, + { "176.192.208.244", 0xb0c0d0f4, CANONICAL }, + { NULL, 0, BAD }, +}; + +static struct ipv6_entry { + const char *addr; + ev_uint32_t res[4]; + enum entry_status status; +} ipv6_entries[] = { + { "::", { 0, 0, 0, 0, }, CANONICAL }, + { "0:0:0:0:0:0:0:0", { 0, 0, 0, 0, }, NORMAL }, + { "::1", { 0, 0, 0, 1, }, CANONICAL }, + { "::1.2.3.4", { 0, 0, 0, 0x01020304, }, CANONICAL }, + { "ffff:1::", { 0xffff0001u, 0, 0, 0, }, CANONICAL }, + { "ffff:0000::", { 0xffff0000u, 0, 0, 0, }, NORMAL }, + { "ffff::1234", { 0xffff0000u, 0, 0, 0x1234, }, CANONICAL }, + { "0102::1.2.3.4", {0x01020000u, 0, 0, 0x01020304u }, NORMAL }, + { "::9:c0a8:1:1", { 0, 0, 0x0009c0a8u, 0x00010001u }, CANONICAL }, + { "::ffff:1.2.3.4", { 0, 0, 0x000ffffu, 0x01020304u }, CANONICAL }, + { "FFFF::", { 0xffff0000u, 0, 0, 0 }, NORMAL }, + { "foobar.", { 0, 0, 0, 0 }, BAD }, + { "foobar", { 0, 0, 0, 0 }, BAD }, + { "fo:obar", { 0, 0, 0, 0 }, BAD }, + { "ffff", { 0, 0, 0, 0 }, BAD }, + { "fffff::", { 0, 0, 0, 0 }, BAD }, + { "fffff::", { 0, 0, 0, 0 }, BAD }, + { "::1.0.1.1000", { 0, 0, 0, 0 }, BAD }, + { "1:2:33333:4::", { 0, 0, 0, 0 }, BAD }, + { "1:2:3:4:5:6:7:8:9", { 0, 0, 0, 0 }, BAD }, + { "1::2::3", { 0, 0, 0, 0 }, BAD }, + { ":::1", { 0, 0, 0, 0 }, BAD }, + { NULL, { 0, 0, 0, 0, }, BAD }, +}; + +static void +regress_ipv4_parse(void *ptr) +{ + int i; + for (i = 0; ipv4_entries[i].addr; ++i) { + char written[128]; + struct ipv4_entry *ent = &ipv4_entries[i]; + struct in_addr in; + int r; + r = evutil_inet_pton(AF_INET, ent->addr, &in); + if (r == 0) { + if (ent->status != BAD) { + TT_FAIL(("%s did not parse, but it's a good address!", + ent->addr)); + } + continue; + } + if (ent->status == BAD) { + TT_FAIL(("%s parsed, but we expected an error", ent->addr)); + continue; + } + if (ntohl(in.s_addr) != ent->res) { + TT_FAIL(("%s parsed to %lx, but we expected %lx", ent->addr, + (unsigned long)ntohl(in.s_addr), + (unsigned long)ent->res)); + continue; + } + if (ent->status == CANONICAL) { + const char *w = evutil_inet_ntop(AF_INET, &in, written, + sizeof(written)); + if (!w) { + TT_FAIL(("Tried to write out %s; got NULL.", ent->addr)); + continue; + } + if (strcmp(written, ent->addr)) { + TT_FAIL(("Tried to write out %s; got %s", + ent->addr, written)); + continue; + } + } + + } + +} + +static void +regress_ipv6_parse(void *ptr) +{ +#ifdef AF_INET6 + int i, j; + + for (i = 0; ipv6_entries[i].addr; ++i) { + char written[128]; + struct ipv6_entry *ent = &ipv6_entries[i]; + struct in6_addr in6; + int r; + r = evutil_inet_pton(AF_INET6, ent->addr, &in6); + if (r == 0) { + if (ent->status != BAD) + TT_FAIL(("%s did not parse, but it's a good address!", + ent->addr)); + continue; + } + if (ent->status == BAD) { + TT_FAIL(("%s parsed, but we expected an error", ent->addr)); + continue; + } + for (j = 0; j < 4; ++j) { + /* Can't use s6_addr32 here; some don't have it. */ + ev_uint32_t u = + (in6.s6_addr[j*4 ] << 24) | + (in6.s6_addr[j*4+1] << 16) | + (in6.s6_addr[j*4+2] << 8) | + (in6.s6_addr[j*4+3]); + if (u != ent->res[j]) { + TT_FAIL(("%s did not parse as expected.", ent->addr)); + continue; + } + } + if (ent->status == CANONICAL) { + const char *w = evutil_inet_ntop(AF_INET6, &in6, written, + sizeof(written)); + if (!w) { + TT_FAIL(("Tried to write out %s; got NULL.", ent->addr)); + continue; + } + if (strcmp(written, ent->addr)) { + TT_FAIL(("Tried to write out %s; got %s", ent->addr, written)); + continue; + } + } + + } +#else + TT_BLATHER(("Skipping IPv6 address parsing.")); +#endif +} + +static struct sa_port_ent { + const char *parse; + int safamily; + const char *addr; + int port; +} sa_port_ents[] = { + { "[ffff::1]:1000", AF_INET6, "ffff::1", 1000 }, + { "[ffff::1]", AF_INET6, "ffff::1", 0 }, + { "[ffff::1", 0, NULL, 0 }, + { "[ffff::1]:65599", 0, NULL, 0 }, + { "[ffff::1]:0", 0, NULL, 0 }, + { "[ffff::1]:-1", 0, NULL, 0 }, + { "::1", AF_INET6, "::1", 0 }, + { "1:2::1", AF_INET6, "1:2::1", 0 }, + { "192.168.0.1:50", AF_INET, "192.168.0.1", 50 }, + { "1.2.3.4", AF_INET, "1.2.3.4", 0 }, + { NULL, 0, NULL, 0 }, +}; + +static void +regress_sockaddr_port_parse(void *ptr) +{ + struct sockaddr_storage ss; + int i, r; + + for (i = 0; sa_port_ents[i].parse; ++i) { + struct sa_port_ent *ent = &sa_port_ents[i]; + int len = sizeof(ss); + memset(&ss, 0, sizeof(ss)); + r = evutil_parse_sockaddr_port(ent->parse, (struct sockaddr*)&ss, &len); + if (r < 0) { + if (ent->safamily) + TT_FAIL(("Couldn't parse %s!", ent->parse)); + continue; + } else if (! ent->safamily) { + TT_FAIL(("Shouldn't have been able to parse %s!", ent->parse)); + continue; + } + if (ent->safamily == AF_INET) { + struct sockaddr_in sin; + memset(&sin, 0, sizeof(sin)); +#ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN_SIN_LEN + sin.sin_len = sizeof(sin); +#endif + sin.sin_family = AF_INET; + sin.sin_port = htons(ent->port); + r = evutil_inet_pton(AF_INET, ent->addr, &sin.sin_addr); + if (1 != r) { + TT_FAIL(("Couldn't parse ipv4 target %s.", ent->addr)); + } else if (memcmp(&sin, &ss, sizeof(sin))) { + TT_FAIL(("Parse for %s was not as expected.", ent->parse)); + } else if (len != sizeof(sin)) { + TT_FAIL(("Length for %s not as expected.",ent->parse)); + } + } else { + struct sockaddr_in6 sin6; + memset(&sin6, 0, sizeof(sin6)); +#ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN + sin6.sin6_len = sizeof(sin6); +#endif + sin6.sin6_family = AF_INET6; + sin6.sin6_port = htons(ent->port); + r = evutil_inet_pton(AF_INET6, ent->addr, &sin6.sin6_addr); + if (1 != r) { + TT_FAIL(("Couldn't parse ipv6 target %s.", ent->addr)); + } else if (memcmp(&sin6, &ss, sizeof(sin6))) { + TT_FAIL(("Parse for %s was not as expected.", ent->parse)); + } else if (len != sizeof(sin6)) { + TT_FAIL(("Length for %s not as expected.",ent->parse)); + } + } + } +} + + +static void +regress_sockaddr_port_format(void *ptr) +{ + struct sockaddr_storage ss; + int len; + const char *cp; + char cbuf[128]; + int r; + + len = sizeof(ss); + r = evutil_parse_sockaddr_port("192.168.1.1:80", + (struct sockaddr*)&ss, &len); + tt_int_op(r,==,0); + cp = evutil_format_sockaddr_port( + (struct sockaddr*)&ss, cbuf, sizeof(cbuf)); + tt_ptr_op(cp,==,cbuf); + tt_str_op(cp,==,"192.168.1.1:80"); + + len = sizeof(ss); + r = evutil_parse_sockaddr_port("[ff00::8010]:999", + (struct sockaddr*)&ss, &len); + tt_int_op(r,==,0); + cp = evutil_format_sockaddr_port( + (struct sockaddr*)&ss, cbuf, sizeof(cbuf)); + tt_ptr_op(cp,==,cbuf); + tt_str_op(cp,==,"[ff00::8010]:999"); + + ss.ss_family=99; + cp = evutil_format_sockaddr_port( + (struct sockaddr*)&ss, cbuf, sizeof(cbuf)); + tt_ptr_op(cp,==,cbuf); + tt_str_op(cp,==,"<addr with socktype 99>"); +end: + ; +} + +static struct sa_pred_ent { + const char *parse; + + int is_loopback; +} sa_pred_entries[] = { + { "127.0.0.1", 1 }, + { "127.0.3.2", 1 }, + { "128.1.2.3", 0 }, + { "18.0.0.1", 0 }, + { "129.168.1.1", 0 }, + + { "::1", 1 }, + { "::0", 0 }, + { "f::1", 0 }, + { "::501", 0 }, + { NULL, 0 }, + +}; + +static void +test_evutil_sockaddr_predicates(void *ptr) +{ + struct sockaddr_storage ss; + int r, i; + + for (i=0; sa_pred_entries[i].parse; ++i) { + struct sa_pred_ent *ent = &sa_pred_entries[i]; + int len = sizeof(ss); + + r = evutil_parse_sockaddr_port(ent->parse, (struct sockaddr*)&ss, &len); + + if (r<0) { + TT_FAIL(("Couldn't parse %s!", ent->parse)); + continue; + } + + /* sockaddr_is_loopback */ + if (ent->is_loopback != evutil_sockaddr_is_loopback((struct sockaddr*)&ss)) { + TT_FAIL(("evutil_sockaddr_loopback(%s) not as expected", + ent->parse)); + } + } +} + +static void +test_evutil_strtoll(void *ptr) +{ + const char *s; + char *endptr; + + tt_want(evutil_strtoll("5000000000", NULL, 10) == + ((ev_int64_t)5000000)*1000); + tt_want(evutil_strtoll("-5000000000", NULL, 10) == + ((ev_int64_t)5000000)*-1000); + s = " 99999stuff"; + tt_want(evutil_strtoll(s, &endptr, 10) == (ev_int64_t)99999); + tt_want(endptr == s+6); + tt_want(evutil_strtoll("foo", NULL, 10) == 0); + } + +static void +test_evutil_snprintf(void *ptr) +{ + char buf[16]; + int r; + ev_uint64_t u64 = ((ev_uint64_t)1000000000)*200; + ev_int64_t i64 = -1 * (ev_int64_t) u64; + size_t size = 8000; + ev_ssize_t ssize = -9000; + + r = evutil_snprintf(buf, sizeof(buf), "%d %d", 50, 100); + tt_str_op(buf, ==, "50 100"); + tt_int_op(r, ==, 6); + + r = evutil_snprintf(buf, sizeof(buf), "longish %d", 1234567890); + tt_str_op(buf, ==, "longish 1234567"); + tt_int_op(r, ==, 18); + + r = evutil_snprintf(buf, sizeof(buf), EV_U64_FMT, EV_U64_ARG(u64)); + tt_str_op(buf, ==, "200000000000"); + tt_int_op(r, ==, 12); + + r = evutil_snprintf(buf, sizeof(buf), EV_I64_FMT, EV_I64_ARG(i64)); + tt_str_op(buf, ==, "-200000000000"); + tt_int_op(r, ==, 13); + + r = evutil_snprintf(buf, sizeof(buf), EV_SIZE_FMT" "EV_SSIZE_FMT, + EV_SIZE_ARG(size), EV_SSIZE_ARG(ssize)); + tt_str_op(buf, ==, "8000 -9000"); + tt_int_op(r, ==, 10); + + end: + ; +} + +static void +test_evutil_casecmp(void *ptr) +{ + tt_int_op(evutil_ascii_strcasecmp("ABC", "ABC"), ==, 0); + tt_int_op(evutil_ascii_strcasecmp("ABC", "abc"), ==, 0); + tt_int_op(evutil_ascii_strcasecmp("ABC", "abcd"), <, 0); + tt_int_op(evutil_ascii_strcasecmp("ABC", "abb"), >, 0); + tt_int_op(evutil_ascii_strcasecmp("ABCd", "abc"), >, 0); + + tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibEvEnT", 100), ==, 0); + tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibEvEnT", 4), ==, 0); + tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibEXXXX", 4), ==, 0); + tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibE", 4), ==, 0); + tt_int_op(evutil_ascii_strncasecmp("Libe", "LibEvEnT", 4), ==, 0); + tt_int_op(evutil_ascii_strncasecmp("Lib", "LibEvEnT", 4), <, 0); + tt_int_op(evutil_ascii_strncasecmp("abc", "def", 99), <, 0); + tt_int_op(evutil_ascii_strncasecmp("Z", "qrst", 1), >, 0); +end: + ; +} + +static int logsev = 0; +static char *logmsg = NULL; + +static void +logfn(int severity, const char *msg) +{ + logsev = severity; + tt_want(msg); + if (msg) { + if (logmsg) + free(logmsg); + logmsg = strdup(msg); + } +} + +static int fatal_want_severity = 0; +static const char *fatal_want_message = NULL; +static void +fatalfn(int exitcode) +{ + if (logsev != fatal_want_severity || + !logmsg || + strcmp(logmsg, fatal_want_message)) + exit(0); + else + exit(exitcode); +} + +#ifndef WIN32 +#define CAN_CHECK_ERR +static void +check_error_logging(void (*fn)(void), int wantexitcode, + int wantseverity, const char *wantmsg) +{ + pid_t pid; + int status = 0, exitcode; + fatal_want_severity = wantseverity; + fatal_want_message = wantmsg; + if ((pid = regress_fork()) == 0) { + /* child process */ + fn(); + exit(0); /* should be unreachable. */ + } else { + wait(&status); + exitcode = WEXITSTATUS(status); + tt_int_op(wantexitcode, ==, exitcode); + } +end: + ; +} + +static void +errx_fn(void) +{ + event_errx(2, "Fatal error; too many kumquats (%d)", 5); +} + +static void +err_fn(void) +{ + errno = ENOENT; + event_err(5,"Couldn't open %s", "/very/bad/file"); +} + +static void +sock_err_fn(void) +{ + evutil_socket_t fd = socket(AF_INET, SOCK_STREAM, 0); +#ifdef WIN32 + EVUTIL_SET_SOCKET_ERROR(WSAEWOULDBLOCK); +#else + errno = EAGAIN; +#endif + event_sock_err(20, fd, "Unhappy socket"); +} +#endif + +static void +test_evutil_log(void *ptr) +{ + evutil_socket_t fd = -1; + char buf[128]; + + event_set_log_callback(logfn); + event_set_fatal_callback(fatalfn); +#define RESET() do { \ + logsev = 0; \ + if (logmsg) free(logmsg); \ + logmsg = NULL; \ + } while (0) +#define LOGEQ(sev,msg) do { \ + tt_int_op(logsev,==,sev); \ + tt_assert(logmsg != NULL); \ + tt_str_op(logmsg,==,msg); \ + } while (0) + +#ifdef CAN_CHECK_ERR + /* We need to disable these tests for now. Previously, the logging + * module didn't enforce the requirement that a fatal callback + * actually exit. Now, it exits no matter what, so if we wan to + * reinstate these tests, we'll need to fork for each one. */ + check_error_logging(errx_fn, 2, _EVENT_LOG_ERR, + "Fatal error; too many kumquats (5)"); + RESET(); +#endif + + event_warnx("Far too many %s (%d)", "wombats", 99); + LOGEQ(_EVENT_LOG_WARN, "Far too many wombats (99)"); + RESET(); + + event_msgx("Connecting lime to coconut"); + LOGEQ(_EVENT_LOG_MSG, "Connecting lime to coconut"); + RESET(); + + event_debug(("A millisecond passed! We should log that!")); +#ifdef USE_DEBUG + LOGEQ(_EVENT_LOG_DEBUG, "A millisecond passed! We should log that!"); +#else + tt_int_op(logsev,==,0); + tt_ptr_op(logmsg,==,NULL); +#endif + RESET(); + + /* Try with an errno. */ + errno = ENOENT; + event_warn("Couldn't open %s", "/bad/file"); + evutil_snprintf(buf, sizeof(buf), + "Couldn't open /bad/file: %s",strerror(ENOENT)); + LOGEQ(_EVENT_LOG_WARN,buf); + RESET(); + +#ifdef CAN_CHECK_ERR + evutil_snprintf(buf, sizeof(buf), + "Couldn't open /very/bad/file: %s",strerror(ENOENT)); + check_error_logging(err_fn, 5, _EVENT_LOG_ERR, buf); + RESET(); +#endif + + /* Try with a socket errno. */ + fd = socket(AF_INET, SOCK_STREAM, 0); +#ifdef WIN32 + evutil_snprintf(buf, sizeof(buf), + "Unhappy socket: %s", + evutil_socket_error_to_string(WSAEWOULDBLOCK)); + EVUTIL_SET_SOCKET_ERROR(WSAEWOULDBLOCK); +#else + evutil_snprintf(buf, sizeof(buf), + "Unhappy socket: %s", strerror(EAGAIN)); + errno = EAGAIN; +#endif + event_sock_warn(fd, "Unhappy socket"); + LOGEQ(_EVENT_LOG_WARN, buf); + RESET(); + +#ifdef CAN_CHECK_ERR + check_error_logging(sock_err_fn, 20, _EVENT_LOG_ERR, buf); + RESET(); +#endif + +#undef RESET +#undef LOGEQ +end: + if (logmsg) + free(logmsg); + if (fd >= 0) + evutil_closesocket(fd); +} + +static void +test_evutil_strlcpy(void *arg) +{ + char buf[8]; + + /* Successful case. */ + tt_int_op(5, ==, strlcpy(buf, "Hello", sizeof(buf))); + tt_str_op(buf, ==, "Hello"); + + /* Overflow by a lot. */ + tt_int_op(13, ==, strlcpy(buf, "pentasyllabic", sizeof(buf))); + tt_str_op(buf, ==, "pentasy"); + + /* Overflow by exactly one. */ + tt_int_op(8, ==, strlcpy(buf, "overlong", sizeof(buf))); + tt_str_op(buf, ==, "overlon"); +end: + ; +} + +struct example_struct { + const char *a; + const char *b; + long c; +}; + +static void +test_evutil_upcast(void *arg) +{ + struct example_struct es1; + const char **cp; + es1.a = "World"; + es1.b = "Hello"; + es1.c = -99; + + tt_int_op(evutil_offsetof(struct example_struct, b), ==, sizeof(char*)); + + cp = &es1.b; + tt_ptr_op(EVUTIL_UPCAST(cp, struct example_struct, b), ==, &es1); + +end: + ; +} + +static void +test_evutil_integers(void *arg) +{ + ev_int64_t i64; + ev_uint64_t u64; + ev_int32_t i32; + ev_uint32_t u32; + ev_int16_t i16; + ev_uint16_t u16; + ev_int8_t i8; + ev_uint8_t u8; + + void *ptr; + ev_intptr_t iptr; + ev_uintptr_t uptr; + + ev_ssize_t ssize; + + tt_int_op(sizeof(u64), ==, 8); + tt_int_op(sizeof(i64), ==, 8); + tt_int_op(sizeof(u32), ==, 4); + tt_int_op(sizeof(i32), ==, 4); + tt_int_op(sizeof(u16), ==, 2); + tt_int_op(sizeof(i16), ==, 2); + tt_int_op(sizeof(u8), ==, 1); + tt_int_op(sizeof(i8), ==, 1); + + tt_int_op(sizeof(ev_ssize_t), ==, sizeof(size_t)); + tt_int_op(sizeof(ev_intptr_t), >=, sizeof(void *)); + tt_int_op(sizeof(ev_uintptr_t), ==, sizeof(intptr_t)); + + u64 = 1000000000; + u64 *= 1000000000; + tt_assert(u64 / 1000000000 == 1000000000); + i64 = -1000000000; + i64 *= 1000000000; + tt_assert(i64 / 1000000000 == -1000000000); + + u64 = EV_UINT64_MAX; + i64 = EV_INT64_MAX; + tt_assert(u64 > 0); + tt_assert(i64 > 0); + u64++; + i64++; + tt_assert(u64 == 0); + tt_assert(i64 == EV_INT64_MIN); + tt_assert(i64 < 0); + + u32 = EV_UINT32_MAX; + i32 = EV_INT32_MAX; + tt_assert(u32 > 0); + tt_assert(i32 > 0); + u32++; + i32++; + tt_assert(u32 == 0); + tt_assert(i32 == EV_INT32_MIN); + tt_assert(i32 < 0); + + u16 = EV_UINT16_MAX; + i16 = EV_INT16_MAX; + tt_assert(u16 > 0); + tt_assert(i16 > 0); + u16++; + i16++; + tt_assert(u16 == 0); + tt_assert(i16 == EV_INT16_MIN); + tt_assert(i16 < 0); + + u8 = EV_UINT8_MAX; + i8 = EV_INT8_MAX; + tt_assert(u8 > 0); + tt_assert(i8 > 0); + u8++; + i8++; + tt_assert(u8 == 0); + tt_assert(i8 == EV_INT8_MIN); + tt_assert(i8 < 0); + + ssize = EV_SSIZE_MAX; + tt_assert(ssize > 0); + ssize++; + tt_assert(ssize < 0); + tt_assert(ssize == EV_SSIZE_MIN); + + ptr = &ssize; + iptr = (ev_intptr_t)ptr; + uptr = (ev_uintptr_t)ptr; + ptr = (void *)iptr; + tt_assert(ptr == &ssize); + ptr = (void *)uptr; + tt_assert(ptr == &ssize); + + iptr = -1; + tt_assert(iptr < 0); +end: + ; +} + +struct evutil_addrinfo * +ai_find_by_family(struct evutil_addrinfo *ai, int family) +{ + while (ai) { + if (ai->ai_family == family) + return ai; + ai = ai->ai_next; + } + return NULL; +} + +struct evutil_addrinfo * +ai_find_by_protocol(struct evutil_addrinfo *ai, int protocol) +{ + while (ai) { + if (ai->ai_protocol == protocol) + return ai; + ai = ai->ai_next; + } + return NULL; +} + + +int +_test_ai_eq(const struct evutil_addrinfo *ai, const char *sockaddr_port, + int socktype, int protocol, int line) +{ + struct sockaddr_storage ss; + int slen = sizeof(ss); + int gotport; + char buf[128]; + memset(&ss, 0, sizeof(ss)); + if (socktype > 0) + tt_int_op(ai->ai_socktype, ==, socktype); + if (protocol > 0) + tt_int_op(ai->ai_protocol, ==, protocol); + + if (evutil_parse_sockaddr_port( + sockaddr_port, (struct sockaddr*)&ss, &slen)<0) { + TT_FAIL(("Couldn't parse expected address %s on line %d", + sockaddr_port, line)); + return -1; + } + if (ai->ai_family != ss.ss_family) { + TT_FAIL(("Address family %d did not match %d on line %d", + ai->ai_family, ss.ss_family, line)); + return -1; + } + if (ai->ai_addr->sa_family == AF_INET) { + struct sockaddr_in *sin = (struct sockaddr_in*)ai->ai_addr; + evutil_inet_ntop(AF_INET, &sin->sin_addr, buf, sizeof(buf)); + gotport = ntohs(sin->sin_port); + if (ai->ai_addrlen != sizeof(struct sockaddr_in)) { + TT_FAIL(("Addr size mismatch on line %d", line)); + return -1; + } + } else { + struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)ai->ai_addr; + evutil_inet_ntop(AF_INET6, &sin6->sin6_addr, buf, sizeof(buf)); + gotport = ntohs(sin6->sin6_port); + if (ai->ai_addrlen != sizeof(struct sockaddr_in6)) { + TT_FAIL(("Addr size mismatch on line %d", line)); + return -1; + } + } + if (evutil_sockaddr_cmp(ai->ai_addr, (struct sockaddr*)&ss, 1)) { + TT_FAIL(("Wanted %s, got %s:%d on line %d", sockaddr_port, + buf, gotport, line)); + return -1; + } else { + TT_BLATHER(("Wanted %s, got %s:%d on line %d", sockaddr_port, + buf, gotport, line)); + } + return 0; +end: + TT_FAIL(("Test failed on line %d", line)); + return -1; +} + +static void +test_evutil_rand(void *arg) +{ + char buf1[32]; + char buf2[32]; + int counts[256]; + int i, j, k, n=0; + + memset(buf2, 0, sizeof(buf2)); + memset(counts, 0, sizeof(counts)); + + for (k=0;k<32;++k) { + /* Try a few different start and end points; try to catch + * the various misaligned cases of arc4random_buf */ + int startpoint = _evutil_weakrand() % 4; + int endpoint = 32 - (_evutil_weakrand() % 4); + + memset(buf2, 0, sizeof(buf2)); + + /* Do 6 runs over buf1, or-ing the result into buf2 each + * time, to make sure we're setting each byte that we mean + * to set. */ + for (i=0;i<8;++i) { + memset(buf1, 0, sizeof(buf1)); + evutil_secure_rng_get_bytes(buf1 + startpoint, + endpoint-startpoint); + n += endpoint - startpoint; + for (j=0; j<32; ++j) { + if (j >= startpoint && j < endpoint) { + buf2[j] |= buf1[j]; + ++counts[(unsigned char)buf1[j]]; + } else { + tt_assert(buf1[j] == 0); + tt_int_op(buf1[j], ==, 0); + + } + } + } + + /* This will give a false positive with P=(256**8)==(2**64) + * for each character. */ + for (j=startpoint;j<endpoint;++j) { + tt_int_op(buf2[j], !=, 0); + } + } + + /* for (i=0;i<256;++i) { printf("%3d %2d\n", i, counts[i]); } */ +end: + ; +} + +static void +test_evutil_getaddrinfo(void *arg) +{ + struct evutil_addrinfo *ai = NULL, *a; + struct evutil_addrinfo hints; + + struct sockaddr_in6 *sin6; + struct sockaddr_in *sin; + char buf[128]; + const char *cp; + int r; + + /* Try using it as a pton. */ + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + r = evutil_getaddrinfo("1.2.3.4", "8080", &hints, &ai); + tt_int_op(r, ==, 0); + tt_assert(ai); + tt_ptr_op(ai->ai_next, ==, NULL); /* no ambiguity */ + test_ai_eq(ai, "1.2.3.4:8080", SOCK_STREAM, IPPROTO_TCP); + evutil_freeaddrinfo(ai); + ai = NULL; + + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; + hints.ai_protocol = IPPROTO_UDP; + r = evutil_getaddrinfo("1001:b0b::f00f", "4321", &hints, &ai); + tt_int_op(r, ==, 0); + tt_assert(ai); + tt_ptr_op(ai->ai_next, ==, NULL); /* no ambiguity */ + test_ai_eq(ai, "[1001:b0b::f00f]:4321", SOCK_DGRAM, IPPROTO_UDP); + evutil_freeaddrinfo(ai); + ai = NULL; + + /* Try out the behavior of nodename=NULL */ + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_INET; + hints.ai_protocol = IPPROTO_TCP; + hints.ai_flags = EVUTIL_AI_PASSIVE; /* as if for bind */ + r = evutil_getaddrinfo(NULL, "9999", &hints, &ai); + tt_int_op(r,==,0); + tt_assert(ai); + tt_ptr_op(ai->ai_next, ==, NULL); + test_ai_eq(ai, "0.0.0.0:9999", SOCK_STREAM, IPPROTO_TCP); + evutil_freeaddrinfo(ai); + ai = NULL; + hints.ai_flags = 0; /* as if for connect */ + r = evutil_getaddrinfo(NULL, "9998", &hints, &ai); + tt_assert(ai); + tt_int_op(r,==,0); + test_ai_eq(ai, "127.0.0.1:9998", SOCK_STREAM, IPPROTO_TCP); + tt_ptr_op(ai->ai_next, ==, NULL); + evutil_freeaddrinfo(ai); + ai = NULL; + + hints.ai_flags = 0; /* as if for connect */ + hints.ai_family = PF_INET6; + r = evutil_getaddrinfo(NULL, "9997", &hints, &ai); + tt_assert(ai); + tt_int_op(r,==,0); + tt_ptr_op(ai->ai_next, ==, NULL); + test_ai_eq(ai, "[::1]:9997", SOCK_STREAM, IPPROTO_TCP); + evutil_freeaddrinfo(ai); + ai = NULL; + + hints.ai_flags = EVUTIL_AI_PASSIVE; /* as if for bind. */ + hints.ai_family = PF_INET6; + r = evutil_getaddrinfo(NULL, "9996", &hints, &ai); + tt_assert(ai); + tt_int_op(r,==,0); + tt_ptr_op(ai->ai_next, ==, NULL); + test_ai_eq(ai, "[::]:9996", SOCK_STREAM, IPPROTO_TCP); + evutil_freeaddrinfo(ai); + ai = NULL; + + /* Now try an unspec one. We should get a v6 and a v4. */ + hints.ai_family = PF_UNSPEC; + r = evutil_getaddrinfo(NULL, "9996", &hints, &ai); + tt_assert(ai); + tt_int_op(r,==,0); + a = ai_find_by_family(ai, PF_INET6); + tt_assert(a); + test_ai_eq(a, "[::]:9996", SOCK_STREAM, IPPROTO_TCP); + a = ai_find_by_family(ai, PF_INET); + tt_assert(a); + test_ai_eq(a, "0.0.0.0:9996", SOCK_STREAM, IPPROTO_TCP); + evutil_freeaddrinfo(ai); + ai = NULL; + + /* Try out AI_NUMERICHOST: successful case. Also try + * multiprotocol. */ + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; + hints.ai_flags = EVUTIL_AI_NUMERICHOST; + r = evutil_getaddrinfo("1.2.3.4", NULL, &hints, &ai); + tt_int_op(r, ==, 0); + a = ai_find_by_protocol(ai, IPPROTO_TCP); + tt_assert(a); + test_ai_eq(a, "1.2.3.4", SOCK_STREAM, IPPROTO_TCP); + a = ai_find_by_protocol(ai, IPPROTO_UDP); + tt_assert(a); + test_ai_eq(a, "1.2.3.4", SOCK_DGRAM, IPPROTO_UDP); + evutil_freeaddrinfo(ai); + ai = NULL; + + /* Try the failing case of AI_NUMERICHOST */ + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; + hints.ai_flags = EVUTIL_AI_NUMERICHOST; + r = evutil_getaddrinfo("www.google.com", "80", &hints, &ai); + tt_int_op(r, ==, EVUTIL_EAI_NONAME); + tt_int_op(ai, ==, NULL); + + /* Try symbolic service names wit AI_NUMERICSERV */ + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + hints.ai_flags = EVUTIL_AI_NUMERICSERV; + r = evutil_getaddrinfo("1.2.3.4", "http", &hints, &ai); + tt_int_op(r,==,EVUTIL_EAI_NONAME); + + /* Try symbolic service names */ + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + r = evutil_getaddrinfo("1.2.3.4", "http", &hints, &ai); + if (r!=0) { + TT_DECLARE("SKIP", ("Symbolic service names seem broken.")); + } else { + tt_assert(ai); + test_ai_eq(ai, "1.2.3.4:80", SOCK_STREAM, IPPROTO_TCP); + evutil_freeaddrinfo(ai); + ai = NULL; + } + + /* Now do some actual lookups. */ + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_INET; + hints.ai_protocol = IPPROTO_TCP; + hints.ai_socktype = SOCK_STREAM; + r = evutil_getaddrinfo("www.google.com", "80", &hints, &ai); + if (r != 0) { + TT_DECLARE("SKIP", ("Couldn't resolve www.google.com")); + } else { + tt_assert(ai); + tt_int_op(ai->ai_family, ==, PF_INET); + tt_int_op(ai->ai_protocol, ==, IPPROTO_TCP); + tt_int_op(ai->ai_socktype, ==, SOCK_STREAM); + tt_int_op(ai->ai_addrlen, ==, sizeof(struct sockaddr_in)); + sin = (struct sockaddr_in*)ai->ai_addr; + tt_int_op(sin->sin_family, ==, AF_INET); + tt_int_op(sin->sin_port, ==, htons(80)); + tt_int_op(sin->sin_addr.s_addr, !=, 0xffffffff); + + cp = evutil_inet_ntop(AF_INET, &sin->sin_addr, buf, sizeof(buf)); + TT_BLATHER(("www.google.com resolved to %s", + cp?cp:"<unwriteable>")); + evutil_freeaddrinfo(ai); + ai = NULL; + } + + hints.ai_family = PF_INET6; + r = evutil_getaddrinfo("ipv6.google.com", "80", &hints, &ai); + if (r != 0) { + TT_BLATHER(("Couldn't do an ipv6 lookup for ipv6.google.com")); + } else { + tt_assert(ai); + tt_int_op(ai->ai_family, ==, PF_INET6); + tt_int_op(ai->ai_addrlen, ==, sizeof(struct sockaddr_in6)); + sin6 = (struct sockaddr_in6*)ai->ai_addr; + tt_int_op(sin6->sin6_port, ==, htons(80)); + + cp = evutil_inet_ntop(AF_INET6, &sin6->sin6_addr, buf, + sizeof(buf)); + TT_BLATHER(("ipv6.google.com resolved to %s", + cp?cp:"<unwriteable>")); + } + +end: + if (ai) + evutil_freeaddrinfo(ai); +} + +#ifdef WIN32 +static void +test_evutil_loadsyslib(void *arg) +{ + HANDLE h=NULL; + + h = evutil_load_windows_system_library(TEXT("kernel32.dll")); + tt_assert(h); + +end: + if (h) + CloseHandle(h); + +} +#endif + +struct testcase_t util_testcases[] = { + { "ipv4_parse", regress_ipv4_parse, 0, NULL, NULL }, + { "ipv6_parse", regress_ipv6_parse, 0, NULL, NULL }, + { "sockaddr_port_parse", regress_sockaddr_port_parse, 0, NULL, NULL }, + { "sockaddr_port_format", regress_sockaddr_port_format, 0, NULL, NULL }, + { "sockaddr_predicates", test_evutil_sockaddr_predicates, 0,NULL,NULL }, + { "evutil_snprintf", test_evutil_snprintf, 0, NULL, NULL }, + { "evutil_strtoll", test_evutil_strtoll, 0, NULL, NULL }, + { "evutil_casecmp", test_evutil_casecmp, 0, NULL, NULL }, + { "strlcpy", test_evutil_strlcpy, 0, NULL, NULL }, + { "log", test_evutil_log, TT_FORK, NULL, NULL }, + { "upcast", test_evutil_upcast, 0, NULL, NULL }, + { "integers", test_evutil_integers, 0, NULL, NULL }, + { "rand", test_evutil_rand, TT_FORK, NULL, NULL }, + { "getaddrinfo", test_evutil_getaddrinfo, TT_FORK, NULL, NULL }, +#ifdef WIN32 + { "loadsyslib", test_evutil_loadsyslib, TT_FORK, NULL, NULL }, +#endif + END_OF_TESTCASES, +}; + |