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-rw-r--r--docs/libcurl/curl_mime_data_cb.311
-rw-r--r--lib/easy.c9
-rw-r--r--lib/mime.c81
-rw-r--r--lib/mime.h3
-rw-r--r--tests/data/Makefile.inc2
-rw-r--r--tests/data/test654109
-rw-r--r--tests/libtest/Makefile.inc5
-rw-r--r--tests/libtest/lib654.c174
8 files changed, 386 insertions, 8 deletions
diff --git a/docs/libcurl/curl_mime_data_cb.3 b/docs/libcurl/curl_mime_data_cb.3
index f8421d5da..105968a0e 100644
--- a/docs/libcurl/curl_mime_data_cb.3
+++ b/docs/libcurl/curl_mime_data_cb.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2018, 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
@@ -91,6 +91,12 @@ The callback function must return \fICURL_SEEKFUNC_OK\fP on success,
is free to work around the problem if possible. The latter can sometimes be
done by instead reading from the input or similar.
+Care must be taken if the part is bound to a curl easy handle that is later
+duplicated: the \fIarg\fP pointer argument is also duplicated, resulting in
+the pointed item to be shared between the original and the copied handle.
+In particular, special attention should be given to the \fIfreefunc\fP
+procedure code since it will be called twice with the same argument.
+
.SH AVAILABILITY
As long as at least one of HTTP, SMTP or IMAP is enabled. Added in 7.56.0.
.SH RETURN VALUE
@@ -157,4 +163,5 @@ int seek_callback(void *arg, curl_off_t offset, int origin)
.SH "SEE ALSO"
.BR curl_mime_addpart "(3),"
.BR curl_mime_data "(3),"
-.BR curl_mime_name "(3)"
+.BR curl_mime_name "(3),"
+.BR curl_easy_duphandle "(3)"
diff --git a/lib/easy.c b/lib/easy.c
index d34887913..edc716d0a 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, 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
@@ -65,6 +65,7 @@
#include "sendf.h" /* for failf function prototype */
#include "connect.h" /* for Curl_getconnectinfo */
#include "slist.h"
+#include "mime.h"
#include "amigaos.h"
#include "non-ascii.h"
#include "warnless.h"
@@ -855,6 +856,7 @@ static CURLcode dupset(struct Curl_easy *dst, struct Curl_easy *src)
/* Copy src->set into dst->set first, then deal with the strings
afterwards */
dst->set = src->set;
+ Curl_mime_initpart(&dst->set.mimepost, dst);
/* clear all string pointers first */
memset(dst->set.str, 0, STRING_LAST * sizeof(char *));
@@ -878,7 +880,10 @@ static CURLcode dupset(struct Curl_easy *dst, struct Curl_easy *src)
dst->set.postfields = dst->set.str[i];
}
- return CURLE_OK;
+ /* Duplicate mime data. */
+ result = Curl_mime_duppart(&dst->set.mimepost, &src->set.mimepost);
+
+ return result;
}
/*
diff --git a/lib/mime.c b/lib/mime.c
index 457000a0b..e0853a9ed 100644
--- a/lib/mime.c
+++ b/lib/mime.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, 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
@@ -1140,6 +1140,78 @@ void curl_mime_free(curl_mime *mime)
}
}
+CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src)
+{
+ curl_mime *mime;
+ curl_mimepart *d;
+ const curl_mimepart *s;
+ CURLcode res = CURLE_OK;
+
+ /* Duplicate content. */
+ switch(src->kind) {
+ case MIMEKIND_NONE:
+ break;
+ case MIMEKIND_DATA:
+ res = curl_mime_data(dst, src->data, (size_t) src->datasize);
+ break;
+ case MIMEKIND_FILE:
+ res = curl_mime_filedata(dst, src->data);
+ /* Do not abort duplication if file is not readable. */
+ if(res == CURLE_READ_ERROR)
+ res = CURLE_OK;
+ break;
+ case MIMEKIND_CALLBACK:
+ res = curl_mime_data_cb(dst, src->datasize, src->readfunc,
+ src->seekfunc, src->freefunc, src->arg);
+ break;
+ case MIMEKIND_MULTIPART:
+ /* No one knows about the cloned subparts, thus always attach ownership
+ to the part. */
+ mime = curl_mime_init(dst->easy);
+ res = mime? curl_mime_subparts(dst, mime): CURLE_OUT_OF_MEMORY;
+
+ /* Duplicate subparts. */
+ for(s = ((curl_mime *) src->arg)->firstpart; !res && s; s = s->nextpart) {
+ d = curl_mime_addpart(mime);
+ res = d? Curl_mime_duppart(d, s): CURLE_OUT_OF_MEMORY;
+ }
+ break;
+ default: /* Invalid kind: should not occur. */
+ res = CURLE_BAD_FUNCTION_ARGUMENT; /* Internal error? */
+ break;
+ }
+
+ /* Duplicate headers. */
+ if(!res && src->userheaders) {
+ struct curl_slist *hdrs = Curl_slist_duplicate(src->userheaders);
+
+ if(!hdrs)
+ res = CURLE_OUT_OF_MEMORY;
+ else {
+ /* No one but this procedure knows about the new header list,
+ so always take ownership. */
+ res = curl_mime_headers(dst, hdrs, TRUE);
+ if(res)
+ curl_slist_free_all(hdrs);
+ }
+ }
+
+ /* Duplicate other fields. */
+ dst->encoder = src->encoder;
+ if(!res)
+ res = curl_mime_type(dst, src->mimetype);
+ if(!res)
+ res = curl_mime_name(dst, src->name);
+ if(!res)
+ res = curl_mime_filename(dst, src->filename);
+
+ /* If an error occurred, rollback. */
+ if(res)
+ Curl_mime_cleanpart(dst);
+
+ return res;
+}
+
/*
* Mime build functions.
*/
@@ -1855,6 +1927,13 @@ void Curl_mime_cleanpart(curl_mimepart *part)
(void) part;
}
+CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src)
+{
+ (void) dst;
+ (void) src;
+ return CURLE_OK; /* Nothing to duplicate: always succeed. */
+}
+
CURLcode Curl_mime_set_subparts(curl_mimepart *part,
curl_mime *subparts, int take_ownership)
{
diff --git a/lib/mime.h b/lib/mime.h
index 7827f7412..920a8a77a 100644
--- a/lib/mime.h
+++ b/lib/mime.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, 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
@@ -122,6 +122,7 @@ struct curl_mimepart_s {
/* Prototypes. */
void Curl_mime_initpart(curl_mimepart *part, struct Curl_easy *easy);
void Curl_mime_cleanpart(curl_mimepart *part);
+CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src);
CURLcode Curl_mime_set_subparts(curl_mimepart *part,
curl_mime *subparts, int take_ownership);
CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index 5fd35eff5..7e3ca25d5 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -80,7 +80,7 @@ test617 test618 test619 test620 test621 test622 test623 test624 test625 \
test626 test627 test628 test629 test630 test631 test632 test633 test634 \
test635 test636 test637 test638 test639 test640 test641 test642 \
test643 test644 test645 test646 test647 test648 test649 test650 test651 \
-test652 test653 \
+test652 test653 test654 \
\
test700 test701 test702 test703 test704 test705 test706 test707 test708 \
test709 test710 test711 test712 test713 test714 test715 \
diff --git a/tests/data/test654 b/tests/data/test654
new file mode 100644
index 000000000..21697e763
--- /dev/null
+++ b/tests/data/test654
@@ -0,0 +1,109 @@
+<testcase>
+<info>
+<keywords>
+HTTP
+HTTP POST
+HTTP MIME POST
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<data>
+HTTP/1.1 200 OK
+Date: Thu, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake swsclose
+Connection: close
+Content-Type: text/html
+
+hello
+</data>
+<datacheck>
+HTTP/1.1 200 OK
+Date: Thu, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake swsclose
+Connection: close
+Content-Type: text/html
+
+hello
+HTTP/1.1 200 OK
+Date: Thu, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake swsclose
+Connection: close
+Content-Type: text/html
+
+hello
+</datacheck>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+# tool is what to use instead of 'curl'
+<tool>
+lib654
+</tool>
+
+ <name>
+HTTP duplicate easy handle with mime data
+ </name>
+ <command>
+http://%HOSTIP:%HTTPPORT/654
+</command>
+<file name="log/file654.txt">
+This is data from a file
+</file>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<strippart>
+s/^--------------------------[a-z0-9]*/------------------------------/
+s/boundary=------------------------[a-z0-9]*/boundary=----------------------------/
+</strippart>
+# Note that the stripping above removes 12 bytes from every occurrence of the
+# boundary string and since 5 of them are in the body contents, we see
+# (5*12) == 60 bytes less
+<protocol>
+POST /654 HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+Accept: */*
+Content-Length: 0
+
+POST /654 HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+Accept: */*
+Transfer-Encoding: chunked
+Content-Type: multipart/form-data; boundary=----------------------------
+Expect: 100-continue
+
+20c
+------------------------------
+Content-Disposition: form-data; name="greeting"
+Content-Type: application/X-Greeting
+Content-Transfer-Encoding: base64
+X-Test-Number: 654
+
+aGVsbG8=
+------------------------------
+Content-Disposition: form-data; filename="file654.txt"
+Content-Type: text/plain
+
+This is data from a file
+
+------------------------------
+Content-Disposition: form-data
+
+this is what we post to the silly web server
+
+--------------------------------
+
+0
+
+</protocol>
+</verify>
+</testcase>
diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index 9e1ba28a9..d8a55e21d 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -20,7 +20,7 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect \
lib559 lib560 lib562 lib564 lib565 lib566 lib567 lib568 lib569 lib570 \
lib571 lib572 lib573 lib574 lib575 lib576 lib578 lib579 lib582 \
lib583 lib585 lib586 lib587 lib589 lib590 lib591 lib597 lib598 lib599 \
- lib643 lib644 lib645 lib650 lib651 lib652 lib653 \
+ lib643 lib644 lib645 lib650 lib651 lib652 lib653 lib654 \
lib1500 lib1501 lib1502 lib1503 lib1504 lib1505 lib1506 lib1507 lib1508 \
lib1509 lib1510 lib1511 lib1512 lib1513 lib1514 lib1515 lib1517 \
lib1520 lib1521 \
@@ -324,6 +324,9 @@ lib652_CPPFLAGS = $(AM_CPPFLAGS)
lib653_SOURCES = lib653.c $(SUPPORTFILES)
lib653_CPPFLAGS = $(AM_CPPFLAGS)
+lib654_SOURCES = lib654.c $(SUPPORTFILES)
+lib654_CPPFLAGS = $(AM_CPPFLAGS)
+
lib1500_SOURCES = lib1500.c $(SUPPORTFILES) $(TESTUTIL)
lib1500_LDADD = $(TESTUTIL_LIBS)
lib1500_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/tests/libtest/lib654.c b/tests/libtest/lib654.c
new file mode 100644
index 000000000..45051a9c7
--- /dev/null
+++ b/tests/libtest/lib654.c
@@ -0,0 +1,174 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, 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 "memdebug.h"
+
+static char data[]=
+#ifdef CURL_DOES_CONVERSIONS
+ /* ASCII representation with escape sequences for non-ASCII platforms */
+ "\x74\x68\x69\x73\x20\x69\x73\x20\x77\x68\x61\x74\x20\x77\x65\x20\x70"
+ "\x6f\x73\x74\x20\x74\x6f\x20\x74\x68\x65\x20\x73\x69\x6c\x6c\x79\x20"
+ "\x77\x65\x62\x20\x73\x65\x72\x76\x65\x72\x0a";
+#else
+ "this is what we post to the silly web server\n";
+#endif
+
+struct WriteThis {
+ char *readptr;
+ curl_off_t sizeleft;
+ int freecount;
+};
+
+static void free_callback(void *userp)
+{
+ struct WriteThis *pooh = (struct WriteThis *) userp;
+
+ pooh->freecount++;
+}
+
+static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp)
+{
+ struct WriteThis *pooh = (struct WriteThis *)userp;
+ int eof = !*pooh->readptr;
+
+ if(size*nmemb < 1)
+ return 0;
+
+ eof = pooh->sizeleft <= 0;
+ if(!eof)
+ pooh->sizeleft--;
+
+ if(!eof) {
+ *ptr = *pooh->readptr; /* copy one single byte */
+ pooh->readptr++; /* advance pointer */
+ return 1; /* we return 1 byte at a time! */
+ }
+
+ return 0; /* no more data left to deliver */
+}
+
+int test(char *URL)
+{
+ CURL *easy = NULL;
+ CURL *easy2 = NULL;
+ curl_mime *mime = NULL;
+ curl_mimepart *part;
+ struct curl_slist *hdrs = NULL;
+ CURLcode result;
+ int res = TEST_ERR_FAILURE;
+ struct WriteThis pooh;
+
+ /*
+ * Check proper copy/release of mime post data bound to a duplicated
+ * easy handle.
+ */
+
+ if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
+ fprintf(stderr, "curl_global_init() failed\n");
+ return TEST_ERR_MAJOR_BAD;
+ }
+
+ easy = curl_easy_init();
+
+ /* First set the URL that is about to receive our POST. */
+ test_setopt(easy, CURLOPT_URL, URL);
+
+ /* get verbose debug output please */
+ test_setopt(easy, CURLOPT_VERBOSE, 1L);
+
+ /* include headers in the output */
+ test_setopt(easy, CURLOPT_HEADER, 1L);
+
+ /* Prepare the callback structure. */
+ pooh.readptr = data;
+ pooh.sizeleft = (curl_off_t) strlen(data);
+ pooh.freecount = 0;
+
+ /* Build the mime tree. */
+ mime = curl_mime_init(easy);
+ part = curl_mime_addpart(mime);
+ curl_mime_data(part, "hello", CURL_ZERO_TERMINATED);
+ curl_mime_name(part, "greeting");
+ curl_mime_type(part, "application/X-Greeting");
+ curl_mime_encoder(part, "base64");
+ hdrs = curl_slist_append(hdrs, "X-Test-Number: 654");
+ curl_mime_headers(part, hdrs, TRUE);
+ part = curl_mime_addpart(mime);
+ curl_mime_filedata(part, "log/file654.txt");
+ part = curl_mime_addpart(mime);
+ curl_mime_data_cb(part, (curl_off_t) -1, read_callback, NULL, free_callback,
+ &pooh);
+
+ /* Bind mime data to its easy handle. */
+ test_setopt(easy, CURLOPT_MIMEPOST, mime);
+
+ /* Duplicate the handle. */
+ easy2 = curl_easy_duphandle(easy);
+ if(!easy2) {
+ fprintf(stderr, "curl_easy_duphandle() failed\n");
+ res = TEST_ERR_FAILURE;
+ goto test_cleanup;
+ }
+
+ /* Now free the mime structure: it should unbind it from the first
+ easy handle. */
+ curl_mime_free(mime);
+ mime = NULL; /* Already cleaned up. */
+
+ /* Perform on the first handle: should not send any data. */
+ result = curl_easy_perform(easy);
+ if(result) {
+ fprintf(stderr, "curl_easy_perform(original) failed\n");
+ res = (int) result;
+ goto test_cleanup;
+ }
+
+ /* Perform on the second handle: if the bound mime structure has not been
+ duplicated properly, it should cause a valgrind error. */
+ result = curl_easy_perform(easy2);
+ if(result) {
+ fprintf(stderr, "curl_easy_perform(duplicated) failed\n");
+ res = (int) result;
+ goto test_cleanup;
+ }
+
+ /* Free the duplicated handle: it should call free_callback again.
+ If the mime copy was bad or not automatically released, valgrind
+ will signal it. */
+ curl_easy_cleanup(easy2);
+ easy2 = NULL; /* Already cleaned up. */
+
+ if(pooh.freecount != 2) {
+ fprintf(stderr, "free_callback() called %d times instead of 2\n",
+ pooh.freecount);
+ res = TEST_ERR_FAILURE;
+ goto test_cleanup;
+ }
+
+test_cleanup:
+ curl_easy_cleanup(easy);
+ curl_easy_cleanup(easy2);
+ curl_mime_free(mime);
+ curl_global_cleanup();
+ return res;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 14:54:39 +0000