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/* now let's see if it is a file name to get the time from instead! */
struct stat statbuf;
if(-1 == stat(nextarg, &statbuf)) {
/* failed, remove time condition */
}
else {
/* pull the time out from the file */
config->condtime = statbuf.st_mtime;
}
}
break;
return PARAM_OPTION_UNKNOWN;
} while(!longopt && !singleopt && *++parse && !*usedarg);
return PARAM_OK;
static void parseconfig(const char *filename,
struct Configurable *config)
char filebuffer[512];
char *home;
if(!filename || !*filename) {
/* NULL or no file name attempts to load .curlrc from the homedir! */
#define CURLRC DOT_CHAR "curlrc"
filename = CURLRC; /* sensible default */
home = homedir(); /* portable homedir finder */
if(home) {
if(strlen(home)<(sizeof(filebuffer)-strlen(CURLRC))) {
snprintf(filebuffer, sizeof(filebuffer),
"%s%s%s", home, DIR_CHAR, CURLRC);
filename = filebuffer;
}
free(home); /* we've used it, now free it */
}
# else /* AmigaOS */
/* On AmigaOS all the config files are into env:
*/
filename = "ENV:" CURLRC;
#endif
}
if(strcmp(filename,"-"))
file = fopen(filename, "r");
else
file = stdin;
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if(file) {
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char *line;
char *aline;
char *option;
char *param;
int lineno=0;
bool alloced_param;
#define isseparator(x) (((x)=='=') || ((x) == ':'))
while (NULL != (aline = my_get_line(file))) {
lineno++;
line = aline;
alloced_param=FALSE;
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/* lines with # in the fist column is a comment! */
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while(*line && isspace((int)*line))
line++;
switch(*line) {
case '#':
case '/':
case '\r':
case '\n':
case '*':
case '\0':
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continue;
}
/* the option keywords starts here */
option = line;
while(*line && !isspace((int)*line) && !isseparator(*line))
line++;
/* ... and has ended here */
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if(*line)
*line++=0; /* zero terminate, we have a local copy of the data */
#ifdef DEBUG_CONFIG
fprintf(stderr, "GOT: %s\n", option);
#endif
/* pass spaces and separator(s) */
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while(*line && (isspace((int)*line) || isseparator(*line)))
line++;
/* the parameter starts here (unless quoted) */
if(*line == '\"') {
char *ptr;
/* quoted parameter, do the qoute dance */
line++;
param=strdup(line); /* parameter */
alloced_param=TRUE;
ptr=param;
while(*line && (*line != '\"')) {
if(*line == '\\') {
line++;
/* default is to output the letter after the backslah */
switch(out = *line) {
case '\0':
continue; /* this'll break out of the loop */
case 't':
out='\t';
break;
case 'n':
out='\n';
break;
case 'r':
out='\r';
break;
case 'v':
out='\v';
break;
}
*ptr++=out;
line++;
}
else
*ptr++=*line++;
}
*ptr=0; /* always zero terminate */
else {
param=line; /* parameter starts here */
while(*line && !isspace((int)*line))
line++;
*line=0; /* zero terminate */
if (param && !*param) {
/* do this so getparameter can check for required parameters.
Otherwise it always thinks there's a parameter. */
if (alloced_param)
free(param);
param = NULL;
}
#ifdef DEBUG_CONFIG
fprintf(stderr, "PARAM: \"%s\"\n",(param ? param : "(null)"));
#endif
res = getparameter(option, param, &usedarg, config);
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if (param && *param && !usedarg)
/* we passed in a parameter that wasn't used! */
res = PARAM_GOT_EXTRA_PARAMETER;
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if(res != PARAM_OK) {
/* the help request isn't really an error */
if(!strcmp(filename, "-")) {
}
if(PARAM_HELP_REQUESTED != res) {
const char *reason = param2text(res);
fprintf(stderr, "%s:%d: warning: '%s' %s\n",
filename, lineno, option, reason);
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}
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}
if(alloced_param)
{
free(param);
param = NULL;
}
free(aline);
}
if(file != stdin)
fclose(file);
}
}
#ifdef HAVE_POLL
/* portable subsecond "sleep" */
poll((void *)0, 0, ms);
#else
/* systems without poll() need other solutions */
#ifdef WIN32
/* Windows offers a millisecond sleep */
Sleep(ms);
#elif defined(__MSDOS__)
delay(ms);
#else
/* Other systems must use select() for this */
struct timeval timeout;
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timeout.tv_sec = ms/1000;
ms -= ms/1000;
timeout.tv_usec = ms * 1000;
select(0, NULL, NULL, NULL, &timeout);
#endif
#endif
struct OutStruct {
char *filename;
FILE *stream;
struct Configurable *config;
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static int my_fwrite(void *buffer, size_t sz, size_t nmemb, void *stream)
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int rc;
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curl_off_t size = sz * nmemb;
if(out && !out->stream) {
/* open file for writing */
out->stream=fopen(out->filename, "wb");
if(!out->stream)
return -1; /* failure */
}
if(config->recvpersecond) {
/*
* We know when we received data the previous time. We know how much data
* we get now. Make sure that this is not faster than we are told to run.
* If we're faster, sleep a while *before* doing the fwrite() here.
*/
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struct timeval now;
long timediff;
long sleep_time;
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static curl_off_t addit = 0;
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now = curlx_tvnow();
timediff = curlx_tvdiff(now, config->lastrecvtime); /* milliseconds */
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if((config->recvpersecond > CURL_MAX_WRITE_SIZE) && (timediff < 100) ) {
/* If we allow a rather speedy transfer, add this amount for later
* checking. Also, do not modify the lastrecvtime as we will use a
* longer scope due to this addition. We wait for at least 100 ms to
* pass to get better values to do better math for the sleep. */
addit += size;
}
else {
size += addit; /* add up the possibly added bonus rounds from the
zero timediff calls */
addit = 0; /* clear the addition pool */
if( size*1000 > config->recvpersecond*timediff) {
/* figure out how many milliseconds to rest */
sleep_time = size*1000/config->recvpersecond - timediff;
/*
* Make sure we don't sleep for so long that we trigger the speed
* limit. This won't limit the bandwidth quite the way we've been
* asked to, but at least the transfer has a chance.
*/
if (config->low_speed_time > 0)
sleep_time = MIN(sleep_time,(config->low_speed_time * 1000) / 2);
if(sleep_time > 0) {
go_sleep(sleep_time);
now = curlx_tvnow();
}
}
config->lastrecvtime = now;
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rc = fwrite(buffer, sz, nmemb, out->stream);
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if(config->nobuffer)
/* disable output buffering */
fflush(out->stream);
return rc;
struct InStruct {
FILE *stream;
struct Configurable *config;
};
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static int my_fread(void *buffer, size_t sz, size_t nmemb, void *userp)
{
struct InStruct *in=(struct InStruct *)userp;
struct Configurable *config = in->config;
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curl_off_t size = sz * nmemb;
if(config->sendpersecond) {
/*
* We know when we sent data the previous time. We know how much data
* we sent. Make sure that this was not faster than we are told to run.
* If we're faster, sleep a while *before* doing the fread() here.
* Also, make no larger fread() than should be sent this second!
*/
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struct timeval now;
long timediff;
long sleep_time;
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static curl_off_t addit = 0;
now = curlx_tvnow();
timediff = curlx_tvdiff(now, config->lastsendtime); /* milliseconds */
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if((config->sendpersecond > CURL_MAX_WRITE_SIZE) &&
(timediff < 100)) {
/*
* We allow very fast transfers, then allow at least 100 ms between
* each sleeping mile-stone to create more accurate long-term rates.
*/
addit += size;
}
else {
/* If 'addit' is non-zero, it contains the total amount of bytes
uploaded during the last 'timediff' milliseconds. If it is zero,
we use the stored previous size. */
curl_off_t xfered = addit?addit:(curl_off_t)config->lastsendsize;
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addit = 0; /* clear it for the next round */
if( xfered*1000 > config->sendpersecond*timediff) {
/* figure out how many milliseconds to rest */
sleep_time = xfered*1000/config->sendpersecond - timediff;
if(sleep_time > 0) {
go_sleep (sleep_time);
now = curlx_tvnow();
}
}
config->lastsendtime = now;
if(size > config->sendpersecond) {
/* lower the size to actually read */
nmemb = config->sendpersecond;
sz = 1;
}
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config->lastsendsize = sz*nmemb;
}
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return fread(buffer, sz, nmemb, in->stream);
struct ProgressData {
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int calls;
double prev;
int width;
FILE *out; /* where to write everything to */
};
static int myprogress (void *clientp,
double dltotal,
double dlnow,
double ultotal,
double ulnow)
{
/* The original progress-bar source code was written for curl by Lars Aas,
and this new edition inherits some of his concepts. */
char line[256];
char outline[256];
char format[40];
double frac;
double percent;
int barwidth;
int num;
int i;
struct ProgressData *bar = (struct ProgressData *)clientp;
double total = dltotal + ultotal + bar->initial_size;
double point = dlnow + ulnow + bar->initial_size; /* we've come this far */
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bar->calls++; /* simply count invokes */
int prevblock = (int)bar->prev / 1024;
int thisblock = (int)point / 1024;
while ( thisblock > prevblock ) {
fprintf( bar->out, "#" );
prevblock++;
}
}
else {
frac = point / total;
percent = frac * 100.0f;
barwidth = bar->width - 7;
num = (int) (((double)barwidth) * frac);
i = 0;
for ( i = 0; i < num; i++ ) {
line[i] = '#';
}
line[i] = '\0';
sprintf( format, "%%-%ds %%5.1f%%%%", barwidth );
sprintf( outline, format, line, percent );
fprintf( bar->out, "\r%s", outline );
}
fflush(bar->out);
bar->prev = point;
return 0;
}
static
void progressbarinit(struct ProgressData *bar,
struct Configurable *config)
{
#ifdef __EMX__
/* 20000318 mgs */
int scr_size [2];
#endif
char *colp;
memset(bar, 0, sizeof(struct ProgressData));
/* pass this through to progress function so
* it can display progress towards total file
* not just the part that's left. (21-may-03, dbyron) */
if (config->use_resume)
bar->initial_size = config->resume_from;
/* TODO: get terminal width through ansi escapes or something similar.
try to update width when xterm is resized... - 19990617 larsa */
#ifndef __EMX__
/* 20000318 mgs
* OS/2 users most likely won't have this env var set, and besides that
* we're using our own way to determine screen width */
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colp = curlx_getenv("COLUMNS");
if (colp != NULL) {
bar->width = atoi(colp);
}
else
bar->width = 79;
#else
/* 20000318 mgs
* We use this emx library call to get the screen width, and subtract
* one from what we got in order to avoid a problem with the cursor
* advancing to the next line if we print a string that is as long as
* the screen is wide. */
_scrsize(scr_size);
bar->width = scr_size[0] - 1;
#endif
bar->out = config->errors;
}
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static
void dump(const char *text,
FILE *stream, unsigned char *ptr, size_t size,
bool nohex)
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{
size_t i;
size_t c;
unsigned int width=0x10;
if(nohex)
/* without the hex output, we can fit more on screen */
width = 0x40;
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fprintf(stream, "%s, %zd bytes (0x%zx)\n", text, size, size);
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fprintf(stream, "%04zx: ", i);
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if(!nohex) {
/* hex not disabled, show it */
for(c = 0; c < width; c++)
if(i+c < size)
fprintf(stream, "%02x ", ptr[i+c]);
else
fputs(" ", stream);
}
for(c = 0; (c < width) && (i+c < size); c++) {
/* check for 0D0A; if found, skip past and start a new line of output */
if (nohex && (i+c+1 < size) && ptr[i+c]==0x0D && ptr[i+c+1]==0x0A) {
i+=(c+2-width);
break;
}
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fprintf(stream, "%c",
(ptr[i+c]>=0x20) && (ptr[i+c]<0x80)?ptr[i+c]:'.');
/* check again for 0D0A, to avoid an extra \n if it's at width */
if (nohex && (i+c+2 < size) && ptr[i+c+1]==0x0D && ptr[i+c+2]==0x0A) {
i+=(c+3-width);
break;
}
}
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fputc('\n', stream); /* newline */
}
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}
static
int my_trace(CURL *handle, curl_infotype type,
unsigned char *data, size_t size,
void *userp)
{
struct Configurable *config = (struct Configurable *)userp;
FILE *output=config->errors;
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(void)handle; /* prevent compiler warning */
if(!config->trace_stream) {
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/* open for append */
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if(curlx_strequal("-", config->trace_dump))
config->trace_stream = stdout;
else {
config->trace_stream = fopen(config->trace_dump, "w");
config->trace_fopened = TRUE;
}
}
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if(config->trace_stream)
output = config->trace_stream;
switch (type) {
case CURLINFO_TEXT:
fprintf(output, "== Info: %s", data);
default: /* in case a new one is introduced to shock us */
return 0;
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case CURLINFO_HEADER_OUT:
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break;
case CURLINFO_DATA_OUT:
text = "=> Send data";
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break;
case CURLINFO_HEADER_IN:
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break;
case CURLINFO_DATA_IN:
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break;
}
dump(text, output, data, size, config->trace_ascii);
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return 0;
}
static void free_config_fields(struct Configurable *config)
{
if(config->random_file)
free(config->random_file);
if(config->egd_file)
free(config->egd_file);
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if(config->userpwd)
free(config->userpwd);
if(config->postfields)
free(config->postfields);
if(config->proxy)
free(config->proxy);
if(config->proxyuserpwd)
free(config->proxyuserpwd);
if(config->cookie)
free(config->cookie);
if(config->cookiefile)
free(config->cookiefile);
if(config->krb4level)
free(config->krb4level);
if(config->headerfile)
free(config->headerfile);
if(config->ftpport)
free(config->ftpport);
if(config->range)
free(config->range);
if(config->customrequest)
free(config->customrequest);
if(config->writeout)
free(config->writeout);
if(config->httppost)
curl_formfree(config->httppost);
if(config->cacert)
free(config->cacert);
if(config->capath)
free(config->capath);
if(config->cookiejar)
free(config->cookiejar);
curl_slist_free_all(config->quote); /* checks for config->quote == NULL */
curl_slist_free_all(config->postquote); /* */
curl_slist_free_all(config->headers); /* */
}
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#if defined(WIN32) && !defined(__CYGWIN32__)
/* Function to find CACert bundle on a Win32 platform using SearchPath.
* (SearchPath is defined in windows.h, which is #included into libcurl)
* (Use the ASCII version instead of the unicode one!)
* The order of the directories it searches is:
* 1. application's directory
* 2. current working directory
* 3. Windows System directory (e.g. C:\windows\system32)
* 4. Windows Directory (e.g. C:\windows)
* 5. all directories along %PATH%
*/
static void FindWin32CACert(struct Configurable *config,
const char *bundle_file)
{
/* only check for cert file if "we" support SSL */
if(curlinfo->features & CURL_VERSION_SSL) {
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DWORD buflen;
char *ptr = NULL;
char *retval = (char *) malloc(sizeof (TCHAR) * (MAX_PATH + 1));
if (!retval)
return;
retval[0] = '\0';
buflen = SearchPathA(NULL, bundle_file, NULL, MAX_PATH+2, retval, &ptr);
if (buflen > 0) {
GetStr(&config->cacert, retval);
}
free(retval);
}
}
#endif
static int
operate(struct Configurable *config, int argc, char *argv[])
char errorbuffer[CURL_ERROR_SIZE];
char useragent[128]; /* buah, we don't want a larger default user agent */
struct ProgressData progressbar;
struct getout *urlnode;
struct getout *nextnode;
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struct OutStruct heads;
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URLGlob *urls=NULL;
URLGlob *inglob=NULL;
int infilenum;
char *infiles; /* might a glob pattern */
char *uploadfile=NULL; /* a single file, never a glob */
FILE *infd = stdin;
bool infdfopen;
FILE *headerfilep = NULL;
char *urlbuffer=NULL;
curl_off_t uploadfilesize; /* -1 means unknown */
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char *httpgetfields=NULL;
int res = 0;
int up; /* upload file counter within a single upload glob */
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char *env;
/* this sends all memory debug messages to a logfile named memdump */
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env = curlx_getenv("CURL_MEMDEBUG");
if(env) {
curl_memdebug("memdump");
}
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env = curlx_getenv("CURL_MEMLIMIT");
if(env) {
curl_memlimit(atoi(env));
curl_free(env);
}
memset(&outs,0,sizeof(outs));
/* we get libcurl info right away */
curlinfo = curl_version_info(CURLVERSION_NOW);
errorbuffer[0]=0; /* prevent junk from being output */
/* inits */
if (main_init() != CURLE_OK) {
helpf("error initializing curl library\n");
return CURLE_FAILED_INIT;
}
config->showerror=TRUE;
config->conf=CONF_DEFAULT;
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config->use_httpget=FALSE;
config->create_dirs=FALSE;
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config->lastrecvtime = curlx_tvnow();
config->lastsendtime = curlx_tvnow();
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(!curlx_strnequal("--", argv[1], 2) && (argv[1][0] == '-')) &&
strchr(argv[1], 'q')) {
/*
* The first flag, that is not a verbose name, but a shortname
* and it includes the 'q' flag!
*/
;
}
else {
}
/* Parse options */
for (i = 1; i < argc; i++) {
if(stillflags &&
('-' == argv[i][0])) {
char *nextarg;
bool passarg;
char *origopt=argv[i];
char *flag = argv[i];
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if(curlx_strequal("--", argv[i]))
/* this indicates the end of the flags and thus enables the
following (URL) argument to start with -. */
stillflags=FALSE;
else {
nextarg= (i < argc - 1)? argv[i+1]: NULL;
res = getparameter(flag, nextarg, &passarg, config);
if(res) {
const char *reason = param2text(res);
if(res != PARAM_HELP_REQUESTED)
helpf("option %s: %s\n", origopt, reason);
return CURLE_FAILED_INIT;
}
if(passarg) /* we're supposed to skip this */
i++;
}
}
else {
bool used;
/* just add the URL please */
res = getparameter((char *)"--url", argv[i], &used, config);
if(!config->url_list || !config->url_list->url) {
clean_getout(config);
if(NULL == config->useragent) {
/* set non-zero default values: */
snprintf(useragent, sizeof(useragent),
CURL_NAME "/" CURL_VERSION " (" OS ") " "%s", curl_version());
config->useragent= useragent;
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/* On WIN32 (non-cygwin), we can't set the path to curl-ca-bundle.crt
* at compile time. So we look here for the file in two ways:
* 1: look at the environment variable CURL_CA_BUNDLE for a path
* 2: if #1 isn't found, use the windows API function SearchPath()
* to find it along the app's path (includes app's dir and CWD)
*
* We support the environment variable thing for non-Windows platforms
* too. Just for the sake of it.
*/
if (!config->cacert &&
!config->capath &&
!config->insecure_ok) {
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env = curlx_getenv("CURL_CA_BUNDLE");
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if(env) {
GetStr(&config->cacert, env);
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}
#if defined(WIN32) && !defined(__CYGWIN32__)
else
FindWin32CACert(config, "curl-ca-bundle.crt");
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#endif
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if (config->postfields) {
if (config->use_httpget) {
/* Use the postfields data for a http get */
httpgetfields = strdup(config->postfields);
free(config->postfields);
config->postfields = NULL;
if(SetHTTPrequest((config->conf&CONF_NOBODY?HTTPREQ_HEAD:HTTPREQ_GET),
&config->httpreq)) {
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free(httpgetfields);
return PARAM_BAD_USE;
}
}
else {
if(SetHTTPrequest(HTTPREQ_SIMPLEPOST, &config->httpreq))
return PARAM_BAD_USE;
}
}
/*
* Get a curl handle to use for all forthcoming curl transfers. Cleanup
* when all transfers are done.
if(!curl) {
clean_getout(config);
}
/* After this point, we should call curl_easy_cleanup() if we decide to bail
* out from this function! */
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if(config->headerfile) {
/* open file for output: */
if(strcmp(config->headerfile,"-")) {
heads.filename = config->headerfile;
headerfilep=NULL;
}
else
headerfilep=stdout;
heads.stream = headerfilep;
heads.config = config;
}
while(urlnode && !res) {
char *dourl;
/* get the full URL (it might be NULL) */
dourl=urlnode->url;
url = dourl;
if(NULL == url) {
/* This node had no URL, skip it and continue to the next */
if(urlnode->outfile)
free(urlnode->outfile);
/* move on to the next URL */
nextnode=urlnode->next;
free(urlnode); /* free the node */
urlnode = nextnode;
continue; /* next please */
}
/* default output stream is stdout */
outs.stream = stdout;
outs.config = config;
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/* save outfile pattern before expansion */
outfiles = urlnode->outfile?strdup(urlnode->outfile):NULL;
infiles = urlnode->infile;
if(!config->globoff && infiles) {
/* Unless explicitly shut off */
res = glob_url(&inglob, infiles, &infilenum,
config->showerror?
(config->errors?config->errors:stderr):NULL);
if(res != CURLE_OK) {
clean_getout(config);
break;
}
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}
/* Here's the loop for uploading multiple files within the same
single globbed string. If no upload, we enter the loop once anyway. */
for(up = 0;
(!up && !infiles) ||
(uploadfile = inglob?
glob_next_url(inglob):
(!up?strdup(infiles):NULL));
up++) {
uploadfilesize=-1;
if(!config->globoff) {
/* Unless explicitly shut off, we expand '{...}' and '[...]'
expressions and return total number of URLs in pattern set */
res = glob_url(&urls, dourl, &urlnum,
config->showerror?
(config->errors?config->errors:stderr):NULL);
if(res != CURLE_OK) {
break;
}
}
else
urlnum = 1; /* without globbing, this is a single URL */
/* if multiple files extracted to stdout, insert separators! */
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separator= ((!outfiles || curlx_strequal(outfiles, "-")) && urlnum > 1);
/* Here's looping around each globbed URL */
for(i = 0;
(url = urls?glob_next_url(urls):(i?NULL:strdup(url)));
i++) {
char *outfile;
outfile = outfiles?strdup(outfiles):NULL;
if((urlnode->flags&GETOUT_USEREMOTE) ||
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(outfile && !curlx_strequal("-", outfile)) ) {
/*
* We have specified a file name to store the result in, or we have
* decided we want to use the remote file name.
*/
if(!outfile) {
/* Find and get the remote file name */
char * pc =strstr(url, "://");
if(pc)
pc+=3;
else
pc=url;
pc = strrchr(pc, '/');
if(pc) {
/* duplicate the string beyond the slash */
pc++;
outfile = *pc ? strdup(pc): NULL;
}
if(!outfile || !*outfile) {
helpf("Remote file name has no length!\n");
res = CURLE_WRITE_ERROR;
free(url);
break;
}
#if defined(__DJGPP__)
{
/* This is for DOS, and then we do some major replacing of
bad characters in the file name before using it */
strcpy(file1, msdosify(outfile));
free (outfile);
outfile = strdup (rename_if_dos_device_name(file1));
}
#endif /* __DJGPP__ */
}
else if(urls) {
/* fill '#1' ... '#9' terms from URL pattern */
char *storefile = outfile;
outfile = glob_match_url(storefile, urls);
free(storefile);
if(!outfile) {
/* bad globbing */
fprintf(stderr, "bad output glob!\n");
free(url);
res = CURLE_FAILED_INIT;
break;
}
}
/* Create the directory hierarchy, if not pre-existant to a multiple
file output call */
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if(config->create_dirs)
if (-1 == create_dir_hierarchy(outfile)) {
return CURLE_WRITE_ERROR;
}
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if(config->resume_from_current) {
/* We're told to continue from where we are now. Get the
size of the file as it is now and open it for append instead */