/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at https://curl.haxx.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is * furnished to do so, under the terms of the COPYING file. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ***************************************************************************/ #include "test.h" #include <fcntl.h> #include "testutil.h" #include "warnless.h" #include "memdebug.h" #define TEST_HANG_TIMEOUT 60 * 1000 struct Sockets { curl_socket_t *sockets; int count; /* number of sockets actually stored in array */ int max_count; /* max number of sockets that fit in allocated array */ }; struct ReadWriteSockets { struct Sockets read, write; }; /** * Remove a file descriptor from a sockets array. */ static void removeFd(struct Sockets* sockets, curl_socket_t fd, int mention) { int i; if(mention) fprintf(stderr, "Remove socket fd %d\n", (int) fd); for(i = 0; i < sockets->count; ++i) { if(sockets->sockets[i] == fd) { if(i < sockets->count - 1) memmove(&sockets->sockets[i], &sockets->sockets[i + 1], sizeof(curl_socket_t) * (sockets->count - (i + 1))); --sockets->count; } } } /** * Add a file descriptor to a sockets array. */ static void addFd(struct Sockets* sockets, curl_socket_t fd, const char *what) { /** * To ensure we only have each file descriptor once, we remove it then add * it again. */ fprintf(stderr, "Add socket fd %d for %s\n", (int) fd, what); removeFd(sockets, fd, 0); /* * Allocate array storage when required. */ if(!sockets->sockets) { sockets->sockets = malloc(sizeof(curl_socket_t) * 20U); if(!sockets->sockets) return; sockets->max_count = 20; } else if(sockets->count + 1 > sockets->max_count) { curl_socket_t *oldptr = sockets->sockets; sockets->sockets = realloc(oldptr, sizeof(curl_socket_t) * (sockets->max_count + 20)); if(!sockets->sockets) { /* cleanup in test_cleanup */ sockets->sockets = oldptr; return; } sockets->max_count += 20; } /* * Add file descriptor to array. */ sockets->sockets[sockets->count] = fd; ++sockets->count; } /** * Callback invoked by curl to poll reading / writing of a socket. */ static int curlSocketCallback(CURL *easy, curl_socket_t s, int action, void *userp, void *socketp) { struct ReadWriteSockets* sockets = userp; (void)easy; /* unused */ (void)socketp; /* unused */ if(action == CURL_POLL_IN || action == CURL_POLL_INOUT) addFd(&sockets->read, s, "read"); if(action == CURL_POLL_OUT || action == CURL_POLL_INOUT) addFd(&sockets->write, s, "write"); if(action == CURL_POLL_REMOVE) { removeFd(&sockets->read, s, 1); removeFd(&sockets->write, s, 0); } return 0; } /** * Callback invoked by curl to set a timeout. */ static int curlTimerCallback(CURLM *multi, long timeout_ms, void *userp) { struct timeval* timeout = userp; (void)multi; /* unused */ if(timeout_ms != -1) { *timeout = tutil_tvnow(); timeout->tv_usec += timeout_ms * 1000; } else { timeout->tv_sec = -1; } return 0; } /** * Check for curl completion. */ static int checkForCompletion(CURLM *curl, int *success) { int numMessages; CURLMsg *message; int result = 0; *success = 0; while((message = curl_multi_info_read(curl, &numMessages)) != NULL) { if(message->msg == CURLMSG_DONE) { result = 1; if(message->data.result == CURLE_OK) *success = 1; else *success = 0; } else { fprintf(stderr, "Got an unexpected message from curl: %i\n", (int)message->msg); result = 1; *success = 0; } } return result; } static int getMicroSecondTimeout(struct timeval* timeout) { struct timeval now; ssize_t result; now = tutil_tvnow(); result = (ssize_t)((timeout->tv_sec - now.tv_sec) * 1000000 + timeout->tv_usec - now.tv_usec); if(result < 0) result = 0; return curlx_sztosi(result); } /** * Update a fd_set with all of the sockets in use. */ static void updateFdSet(struct Sockets* sockets, fd_set* fdset, curl_socket_t *maxFd) { int i; for(i = 0; i < sockets->count; ++i) { FD_SET(sockets->sockets[i], fdset); if(*maxFd < sockets->sockets[i] + 1) { *maxFd = sockets->sockets[i] + 1; } } } static void notifyCurl(CURLM *curl, curl_socket_t s, int evBitmask, const char *info) { int numhandles = 0; CURLMcode result = curl_multi_socket_action(curl, s, evBitmask, &numhandles); if(result != CURLM_OK) { fprintf(stderr, "Curl error on %s: %i (%s)\n", info, result, curl_multi_strerror(result)); } } /** * Invoke curl when a file descriptor is set. */ static void checkFdSet(CURLM *curl, struct Sockets *sockets, fd_set *fdset, int evBitmask, const char *name) { int i; for(i = 0; i < sockets->count; ++i) { if(FD_ISSET(sockets->sockets[i], fdset)) { notifyCurl(curl, sockets->sockets[i], evBitmask, name); } } } int test(char *URL) { int res = 0; CURL *curl = NULL; FILE *hd_src = NULL; int hd; struct_stat file_info; CURLM *m = NULL; struct ReadWriteSockets sockets = {{NULL, 0, 0}, {NULL, 0, 0}}; struct timeval timeout = {-1, 0}; int success = 0; start_test_timing(); if(!libtest_arg3) { fprintf(stderr, "Usage: lib582 [url] [filename] [username]\n"); return TEST_ERR_USAGE; } hd_src = fopen(libtest_arg2, "rb"); if(NULL == hd_src) { fprintf(stderr, "fopen() failed with error: %d (%s)\n", errno, strerror(errno)); fprintf(stderr, "Error opening file: (%s)\n", libtest_arg2); return TEST_ERR_FOPEN; } /* get the file size of the local file */ hd = fstat(fileno(hd_src), &file_info); if(hd == -1) { /* can't open file, bail out */ fprintf(stderr, "fstat() failed with error: %d (%s)\n", errno, strerror(errno)); fprintf(stderr, "ERROR: cannot open file (%s)\n", libtest_arg2); fclose(hd_src); return TEST_ERR_FSTAT; } fprintf(stderr, "Set to upload %d bytes\n", (int)file_info.st_size); res_global_init(CURL_GLOBAL_ALL); if(res) { fclose(hd_src); return res; } easy_init(curl); /* enable uploading */ easy_setopt(curl, CURLOPT_UPLOAD, 1L); /* specify target */ easy_setopt(curl, CURLOPT_URL, URL); /* go verbose */ easy_setopt(curl, CURLOPT_VERBOSE, 1L); /* now specify which file to upload */ easy_setopt(curl, CURLOPT_READDATA, hd_src); easy_setopt(curl, CURLOPT_USERPWD, libtest_arg3); easy_setopt(curl, CURLOPT_SSH_PUBLIC_KEYFILE, "curl_client_key.pub"); easy_setopt(curl, CURLOPT_SSH_PRIVATE_KEYFILE, "curl_client_key"); easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L); easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, (curl_off_t)file_info.st_size); multi_init(m); multi_setopt(m, CURLMOPT_SOCKETFUNCTION, curlSocketCallback); multi_setopt(m, CURLMOPT_SOCKETDATA, &sockets); multi_setopt(m, CURLMOPT_TIMERFUNCTION, curlTimerCallback); multi_setopt(m, CURLMOPT_TIMERDATA, &timeout); multi_add_handle(m, curl); while(!checkForCompletion(m, &success)) { fd_set readSet, writeSet; curl_socket_t maxFd = 0; struct timeval tv = {10, 0}; FD_ZERO(&readSet); FD_ZERO(&writeSet); updateFdSet(&sockets.read, &readSet, &maxFd); updateFdSet(&sockets.write, &writeSet, &maxFd); if(timeout.tv_sec != -1) { int usTimeout = getMicroSecondTimeout(&timeout); tv.tv_sec = usTimeout / 1000000; tv.tv_usec = usTimeout % 1000000; } else if(maxFd <= 0) { tv.tv_sec = 0; tv.tv_usec = 100000; } select_test((int)maxFd, &readSet, &writeSet, NULL, &tv); /* Check the sockets for reading / writing */ checkFdSet(m, &sockets.read, &readSet, CURL_CSELECT_IN, "read"); checkFdSet(m, &sockets.write, &writeSet, CURL_CSELECT_OUT, "write"); if(timeout.tv_sec != -1 && getMicroSecondTimeout(&timeout) == 0) { /* Curl's timer has elapsed. */ notifyCurl(m, CURL_SOCKET_TIMEOUT, 0, "timeout"); } abort_on_test_timeout(); } if(!success) { fprintf(stderr, "Error uploading file.\n"); res = TEST_ERR_MAJOR_BAD; } test_cleanup: /* proper cleanup sequence - type PB */ curl_multi_remove_handle(m, curl); curl_easy_cleanup(curl); curl_multi_cleanup(m); curl_global_cleanup(); /* close the local file */ fclose(hd_src); /* free local memory */ free(sockets.read.sockets); free(sockets.write.sockets); return res; }