1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at http://curl.haxx.se/docs/copyright.html.
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
22 ***************************************************************************/
24 /* CCSID API wrappers for OS/400. */
39 #include "ccsidcurl.h"
44 #define SIZE_MAX ((size_t) ~0) /* Is unsigned on OS/400. */
48 #define ASCII_CCSID 819 /* Use ISO-8859-1 as ASCII. */
49 #define NOCONV_CCSID 65535 /* No conversion. */
50 #define ICONV_ID_SIZE 32 /* Size of iconv_open() code identifier. */
51 #define ICONV_OPEN_ERROR(t) ((t).return_value == -1)
53 #define ALLOC_GRANULE 8 /* Alloc. granule for curl_formadd_ccsid(). */
57 makeOS400IconvCode(char buf[ICONV_ID_SIZE], unsigned int ccsid)
61 *** Convert a CCSID to the corresponding IBM iconv_open() character
63 *** This code is specific to the OS400 implementation of the iconv library.
64 *** CCSID 65535 (no conversion) is replaced by the ASCII CCSID.
65 *** CCSID 0 is interpreted by the OS400 as the job's CCSID.
70 if (ccsid == NOCONV_CCSID)
73 memset(buf, 0, ICONV_ID_SIZE);
74 curl_msprintf(buf, "IBMCCSID%05u0000000", ccsid);
79 iconv_open_CCSID(unsigned int ccsidout, unsigned int ccsidin, unsigned int cstr)
82 char fromcode[ICONV_ID_SIZE];
83 char tocode[ICONV_ID_SIZE];
86 *** Like iconv_open(), but character codes are given as CCSIDs.
87 *** If `cstr' is non-zero, conversion is set up to stop whenever a
88 *** null character is encountered.
89 *** See iconv_open() IBM description in "National Language Support API".
92 makeOS400IconvCode(fromcode, ccsidin);
93 makeOS400IconvCode(tocode, ccsidout);
94 memset(tocode + 13, 0, sizeof tocode - 13); /* Dest. code id format. */
97 fromcode[18] = '1'; /* Set null-terminator flag. */
99 return iconv_open(tocode, fromcode);
104 convert(char * d, size_t dlen, int dccsid,
105 const char * s, int slen, int sccsid)
113 *** Convert `sccsid'-coded `slen'-data bytes at `s' into `dccsid'-coded
114 *** data stored in the `dlen'-byte buffer at `d'.
115 *** If `slen' < 0, source string is null-terminated.
116 *** CCSID 65535 (no conversion) is replaced by the ASCII CCSID.
117 *** Return the converted destination byte count, or -1 if error.
121 sccsid = ASCII_CCSID;
124 dccsid = ASCII_CCSID;
126 if (sccsid == dccsid) {
127 lslen = slen >= 0? slen: strlen(s) + 1;
128 i = lslen < dlen? lslen: dlen;
138 cd = iconv_open_CCSID(dccsid, sccsid, 1);
141 lslen = (size_t) slen;
142 cd = iconv_open_CCSID(dccsid, sccsid, 0);
145 if (ICONV_OPEN_ERROR(cd))
150 if ((int) iconv(cd, (char * *) &s, &lslen, &d, &dlen) < 0)
161 dynconvert(int dccsid, const char * s, int slen, int sccsid)
169 static const char nullbyte = 0;
171 /* Like convert, but the destination is allocated and returned. */
173 dlen = (size_t) (slen < 0? strlen(s): slen) + 1;
174 dlen *= MAX_CONV_EXPANSION; /* Allow some expansion. */
178 return (char *) NULL;
180 l = convert(d, dlen, dccsid, s, slen, sccsid);
184 return (char *) NULL;
188 /* Need to null-terminate even when source length is given.
189 Since destination code size is unknown, use a conversion to generate
192 l2 = convert(d + l, dlen - l, dccsid, &nullbyte, -1, ASCII_CCSID);
196 return (char *) NULL;
202 if ((size_t) l < dlen) {
203 cp = realloc(d, l); /* Shorten to minimum needed. */
214 curl_version_ccsid(unsigned int ccsid)
221 aversion = curl_version();
226 i = strlen(aversion) + 1;
227 i *= MAX_CONV_EXPANSION;
229 if (!(eversion = Curl_thread_buffer(LK_CURL_VERSION, i)))
230 return (char *) NULL;
232 if (convert(eversion, i, ccsid, aversion, -1, ASCII_CCSID) < 0)
233 return (char *) NULL;
240 curl_easy_escape_ccsid(CURL * handle, const char * string, int length,
241 unsigned int sccsid, unsigned int dccsid)
249 return (char *) NULL;
252 s = dynconvert(ASCII_CCSID, s, length? length: -1, sccsid);
255 return (char *) NULL;
257 d = curl_easy_escape(handle, s, 0);
261 return (char *) NULL;
263 s = dynconvert(dccsid, d, -1, ASCII_CCSID);
270 curl_easy_unescape_ccsid(CURL * handle, const char * string, int length,
272 unsigned int sccsid, unsigned int dccsid)
280 return (char *) NULL;
283 s = dynconvert(ASCII_CCSID, s, length? length: -1, sccsid);
286 return (char *) NULL;
288 d = curl_easy_unescape(handle, s, 0, outlength);
292 return (char *) NULL;
294 s = dynconvert(dccsid, d, -1, ASCII_CCSID);
298 *outlength = strlen(s);
305 curl_slist_append_ccsid(struct curl_slist * list,
306 const char * data, unsigned int ccsid)
314 return curl_slist_append(list, data);
316 s = dynconvert(ASCII_CCSID, data, -1, ccsid);
319 return (struct curl_slist *) NULL;
321 list = curl_slist_append(list, s);
328 curl_getdate_ccsid(const char * p, const time_t * unused, unsigned int ccsid)
335 return curl_getdate(p, unused);
337 s = dynconvert(ASCII_CCSID, p, -1, ccsid);
342 t = curl_getdate(s, unused);
349 convert_version_info_string(const char * * stringp,
350 char * * bufp, int * left, unsigned int ccsid)
355 /* Helper for curl_version_info_ccsid(): convert a string if defined.
356 Result is stored in the `*left'-byte buffer at `*bufp'.
357 `*bufp' and `*left' are updated accordingly.
358 Return 0 if ok, else -1. */
361 l = convert(*bufp, *left, ccsid, *stringp, -1, ASCII_CCSID);
375 curl_version_info_data *
376 curl_version_info_ccsid(CURLversion stamp, unsigned int ccsid)
379 curl_version_info_data * p;
384 curl_version_info_data * id;
386 /* The assertion below is possible, because although the second operand
387 is an enum member, the first is a #define. In that case, the OS/400 C
388 compiler seems to compare string values after substitution. */
390 #if CURLVERSION_NOW != CURLVERSION_FOURTH
391 #error curl_version_info_data structure has changed: upgrade this procedure too.
394 /* If caller has been compiled with a new version, error. */
396 if (stamp > CURLVERSION_NOW)
397 return (curl_version_info_data *) NULL;
399 p = curl_version_info(stamp);
404 /* Measure thread space needed. */
410 while (p->protocols[nproto])
411 n += strlen(p->protocols[nproto++]);
417 n += strlen(p->version) + 1;
420 n += strlen(p->host) + 1;
423 n += strlen(p->ssl_version) + 1;
426 n += strlen(p->libz_version) + 1;
429 n += strlen(p->ares) + 1;
432 n += strlen(p->libidn) + 1;
434 if (p->libssh_version)
435 n += strlen(p->libssh_version) + 1;
437 /* Allocate thread space. */
439 n *= MAX_CONV_EXPANSION;
442 n += nproto * sizeof(const char *);
444 cp = Curl_thread_buffer(LK_VERSION_INFO_DATA, n);
445 id = (curl_version_info_data *) Curl_thread_buffer(LK_VERSION_INFO,
449 return (curl_version_info_data *) NULL;
451 /* Copy data and convert strings. */
453 memcpy((char *) id, (char *) p, sizeof *p);
456 id->protocols = (const char * const *) cp;
457 i = nproto * sizeof id->protocols[0];
458 memcpy(cp, (char *) p->protocols, i);
462 for (i = 0; id->protocols[i]; i++)
463 if (convert_version_info_string(((const char * *) id->protocols) + i,
465 return (curl_version_info_data *) NULL;
468 if (convert_version_info_string(&id->version, &cp, &n, ccsid))
469 return (curl_version_info_data *) NULL;
471 if (convert_version_info_string(&id->host, &cp, &n, ccsid))
472 return (curl_version_info_data *) NULL;
474 if (convert_version_info_string(&id->ssl_version, &cp, &n, ccsid))
475 return (curl_version_info_data *) NULL;
477 if (convert_version_info_string(&id->libz_version, &cp, &n, ccsid))
478 return (curl_version_info_data *) NULL;
480 if (convert_version_info_string(&id->ares, &cp, &n, ccsid))
481 return (curl_version_info_data *) NULL;
483 if (convert_version_info_string(&id->libidn, &cp, &n, ccsid))
484 return (curl_version_info_data *) NULL;
486 if (convert_version_info_string(&id->libssh_version, &cp, &n, ccsid))
487 return (curl_version_info_data *) NULL;
494 curl_easy_strerror_ccsid(CURLcode error, unsigned int ccsid)
501 s = curl_easy_strerror(error);
506 i = MAX_CONV_EXPANSION * (strlen(s) + 1);
508 if (!(buf = Curl_thread_buffer(LK_EASY_STRERROR, i)))
509 return (const char *) NULL;
511 if (convert(buf, i, ccsid, s, -1, ASCII_CCSID) < 0)
512 return (const char *) NULL;
514 return (const char *) buf;
519 curl_share_strerror_ccsid(CURLSHcode error, unsigned int ccsid)
526 s = curl_share_strerror(error);
531 i = MAX_CONV_EXPANSION * (strlen(s) + 1);
533 if (!(buf = Curl_thread_buffer(LK_SHARE_STRERROR, i)))
534 return (const char *) NULL;
536 if (convert(buf, i, ccsid, s, -1, ASCII_CCSID) < 0)
537 return (const char *) NULL;
539 return (const char *) buf;
544 curl_multi_strerror_ccsid(CURLMcode error, unsigned int ccsid)
551 s = curl_multi_strerror(error);
556 i = MAX_CONV_EXPANSION * (strlen(s) + 1);
558 if (!(buf = Curl_thread_buffer(LK_MULTI_STRERROR, i)))
559 return (const char *) NULL;
561 if (convert(buf, i, ccsid, s, -1, ASCII_CCSID) < 0)
562 return (const char *) NULL;
564 return (const char *) buf;
569 curl_easy_getinfo_ccsid(CURL * curl, CURLINFO info, ...)
579 struct SessionHandle * data;
581 /* WARNING: unlike curl_easy_get_info(), the strings returned by this
582 procedure have to be free'ed. */
584 data = (struct SessionHandle *) curl;
586 paramp = va_arg(arg, void *);
587 ret = Curl_getinfo(data, info, paramp);
589 if (ret != CURLE_OK || ((int) info & CURLINFO_TYPEMASK) != CURLINFO_STRING) {
594 ccsid = va_arg(arg, unsigned int);
596 cpp = (char * *) paramp;
602 d = dynconvert(ccsid, s, -1, ASCII_CCSID);
606 return CURLE_OUT_OF_MEMORY;
613 Curl_is_formadd_string(CURLformoption option)
618 case CURLFORM_FILENAME:
619 case CURLFORM_CONTENTTYPE:
620 case CURLFORM_BUFFER:
622 case CURLFORM_FILECONTENT:
623 case CURLFORM_COPYCONTENTS:
624 case CURLFORM_COPYNAME:
633 Curl_formadd_release_local(struct curl_forms * forms, int nargs, int skip)
638 if (Curl_is_formadd_string(forms[nargs].option))
639 if (forms[nargs].value)
640 free((char *) forms[nargs].value);
642 free((char *) forms);
647 Curl_formadd_convert(struct curl_forms * forms,
648 int formx, int lengthx, unsigned int ccsid)
655 if (formx < 0 || !forms[formx].value)
659 l = (int) forms[lengthx].value;
661 l = strlen(forms[formx].value) + 1;
663 cp = malloc(MAX_CONV_EXPANSION * l);
668 l = convert(cp, MAX_CONV_EXPANSION * l, ASCII_CCSID,
669 forms[formx].value, l, ccsid);
676 cp2 = realloc(cp, l); /* Shorten buffer to the string size. */
681 forms[formx].value = cp;
684 forms[lengthx].value = (char *) l; /* Update to length after conversion. */
691 curl_formadd_ccsid(struct curl_httppost * * httppost,
692 struct curl_httppost * * last_post, ...)
696 CURLformoption option;
698 struct curl_forms * forms;
699 struct curl_forms * lforms;
700 struct curl_forms * tforms;
701 unsigned int lformlen;
709 unsigned int contentccsid;
710 unsigned int nameccsid;
712 /* A single curl_formadd() call cannot be splitted in several calls to deal
713 with all parameters: the original parameters are thus copied to a local
714 curl_forms array and converted to ASCII when needed.
715 CURLFORM_PTRNAME is processed as if it were CURLFORM_COPYNAME.
716 CURLFORM_COPYNAME and CURLFORM_NAMELENGTH occurrence order in
717 parameters is not defined; for this reason, the actual conversion is
718 delayed to the end of parameter processing. The same applies to
719 CURLFORM_COPYCONTENTS/CURLFORM_CONTENTSLENGTH, but these may appear
720 several times in the parameter list; the problem resides here in knowing
721 which CURLFORM_CONTENTSLENGTH applies to which CURLFORM_COPYCONTENTS and
722 when we can be sure to have both info for conversion: end of parameter
723 list is such a point, but CURLFORM_CONTENTTYPE is also used here as a
724 natural separator between content data definitions; this seems to be
725 in accordance with FormAdd() behavior. */
727 /* Allocate the local curl_forms array. */
729 lformlen = ALLOC_GRANULE;
730 lforms = malloc(lformlen * sizeof *lforms);
733 return CURL_FORMADD_MEMORY;
735 /* Process the arguments, copying them into local array, latching conversion
736 indexes and converting when needed. */
738 result = CURL_FORMADD_OK;
744 forms = (struct curl_forms *) NULL;
745 va_start(arg, last_post);
748 /* Make sure there is still room for an item in local array. */
750 if (nargs >= lformlen) {
751 lformlen += ALLOC_GRANULE;
752 tforms = realloc(lforms, lformlen * sizeof *lforms);
755 result = CURL_FORMADD_MEMORY;
762 /* Get next option. */
765 /* Get option from array. */
767 option = forms->option;
768 value = forms->value;
772 /* Get option from arguments. */
774 option = va_arg(arg, CURLformoption);
776 if (option == CURLFORM_END)
780 /* Dispatch by option. */
785 forms = (struct curl_forms *) NULL; /* Leave array mode. */
790 forms = va_arg(arg, struct curl_forms *);
794 result = CURL_FORMADD_ILLEGAL_ARRAY;
797 case CURLFORM_COPYNAME:
798 option = CURLFORM_PTRNAME; /* Static for now. */
800 case CURLFORM_PTRNAME:
802 result = CURL_FORMADD_OPTION_TWICE;
807 value = va_arg(arg, char *);
808 nameccsid = (unsigned int) va_arg(arg, long);
811 nameccsid = (unsigned int) forms->value;
817 case CURLFORM_COPYCONTENTS:
819 result = CURL_FORMADD_OPTION_TWICE;
824 value = va_arg(arg, char *);
825 contentccsid = (unsigned int) va_arg(arg, long);
828 contentccsid = (unsigned int) forms->value;
834 case CURLFORM_PTRCONTENTS:
835 case CURLFORM_BUFFERPTR:
837 value = va_arg(arg, char *); /* No conversion. */
841 case CURLFORM_CONTENTSLENGTH:
845 value = (char *) va_arg(arg, long);
849 case CURLFORM_NAMELENGTH:
853 value = (char *) va_arg(arg, long);
857 case CURLFORM_BUFFERLENGTH:
859 value = (char *) va_arg(arg, long);
863 case CURLFORM_CONTENTHEADER:
865 value = (char *) va_arg(arg, struct curl_slist *);
869 case CURLFORM_STREAM:
871 value = (char *) va_arg(arg, void *);
875 case CURLFORM_CONTENTTYPE:
876 /* If a previous content has been encountered, convert it now. */
878 if (Curl_formadd_convert(lforms, contentx, lengthx, contentccsid) < 0) {
879 result = CURL_FORMADD_MEMORY;
885 /* Fall into default. */
888 /* Must be a convertible string. */
890 if (!Curl_is_formadd_string(option)) {
891 result = CURL_FORMADD_UNKNOWN_OPTION;
896 value = va_arg(arg, char *);
897 ccsid = (unsigned int) va_arg(arg, long);
900 ccsid = (unsigned int) forms->value;
904 /* Do the conversion. */
906 lforms[nargs].value = value;
908 if (Curl_formadd_convert(lforms, nargs, -1, ccsid) < 0) {
909 result = CURL_FORMADD_MEMORY;
913 value = lforms[nargs].value;
916 if (result != CURL_FORMADD_OK)
919 lforms[nargs].value = value;
920 lforms[nargs++].option = option;
925 /* Convert the name and the last content, now that we know their lengths. */
927 if (result == CURL_FORMADD_OK && namex >= 0) {
928 if (Curl_formadd_convert(lforms, namex, namelengthx, nameccsid) < 0)
929 result = CURL_FORMADD_MEMORY;
931 lforms[namex].option = CURLFORM_COPYNAME; /* Force copy. */
934 if (result == CURL_FORMADD_OK) {
935 if (Curl_formadd_convert(lforms, contentx, lengthx, contentccsid) < 0)
936 result = CURL_FORMADD_MEMORY;
941 /* Do the formadd with our converted parameters. */
943 if (result == CURL_FORMADD_OK) {
944 lforms[nargs].option = CURLFORM_END;
945 result = curl_formadd(httppost, last_post,
946 CURLFORM_ARRAY, lforms, CURLFORM_END);
951 Curl_formadd_release_local(lforms, nargs, contentx);
957 curl_formget_callback append;
964 Curl_formget_callback_ccsid(void * arg, const char * buf, size_t len)
975 return (*p->append)(p->arg, buf, len);
977 b = malloc(MAX_CONV_EXPANSION * len);
982 l = convert(b, MAX_CONV_EXPANSION * len, p->ccsid, buf, len, ASCII_CCSID);
989 ret = (*p->append)(p->arg, b, l);
991 return ret == l? len: -1;
996 curl_formget_ccsid(struct curl_httppost * form, void * arg,
997 curl_formget_callback append, unsigned int ccsid)
1002 lcfc.append = append;
1005 return curl_formget(form, (void *) &lcfc, Curl_formget_callback_ccsid);
1010 curl_easy_setopt_ccsid(CURL * curl, CURLoption tag, ...)
1015 struct SessionHandle * data;
1021 static char testwarn = 1;
1023 /* Warns if this procedure has not been updated when the dupstring enum
1025 We (try to) do it only once: there is no need to issue several times
1026 the same message; but since threadsafeness is not handled here,
1027 this may occur (and we don't care!). */
1032 if ((int) STRING_LAST != (int) STRING_MAIL_FROM + 1)
1033 curl_mfprintf(stderr,
1034 "*** WARNING: curl_easy_setopt_ccsid() should be reworked ***\n");
1037 data = (struct SessionHandle *) curl;
1042 case CURLOPT_CAINFO:
1043 case CURLOPT_CAPATH:
1044 case CURLOPT_COOKIE:
1045 case CURLOPT_COOKIEFILE:
1046 case CURLOPT_COOKIEJAR:
1047 case CURLOPT_COOKIELIST:
1048 case CURLOPT_CUSTOMREQUEST:
1049 case CURLOPT_EGDSOCKET:
1050 case CURLOPT_ENCODING:
1051 case CURLOPT_FTPPORT:
1052 case CURLOPT_FTP_ACCOUNT:
1053 case CURLOPT_FTP_ALTERNATIVE_TO_USER:
1054 case CURLOPT_INTERFACE:
1055 case CURLOPT_KEYPASSWD:
1056 case CURLOPT_KRBLEVEL:
1057 case CURLOPT_NETRC_FILE:
1059 case CURLOPT_PROXYUSERPWD:
1060 case CURLOPT_RANDOM_FILE:
1062 case CURLOPT_REFERER:
1063 case CURLOPT_SSH_PRIVATE_KEYFILE:
1064 case CURLOPT_SSH_PUBLIC_KEYFILE:
1065 case CURLOPT_SSLCERT:
1066 case CURLOPT_SSLCERTTYPE:
1067 case CURLOPT_SSLENGINE:
1068 case CURLOPT_SSLKEY:
1069 case CURLOPT_SSLKEYTYPE:
1070 case CURLOPT_SSL_CIPHER_LIST:
1072 case CURLOPT_USERAGENT:
1073 case CURLOPT_USERPWD:
1074 case CURLOPT_SSH_HOST_PUBLIC_KEY_MD5:
1075 case CURLOPT_CRLFILE:
1076 case CURLOPT_ISSUERCERT:
1077 case CURLOPT_USERNAME:
1078 case CURLOPT_PASSWORD:
1079 case CURLOPT_PROXYUSERNAME:
1080 case CURLOPT_PROXYPASSWORD:
1081 case CURLOPT_NOPROXY:
1082 case CURLOPT_RTSP_SESSION_ID:
1083 case CURLOPT_RTSP_STREAM_URI:
1084 case CURLOPT_RTSP_TRANSPORT:
1085 /* SSH2 not (yet) implemented on OS400. */
1086 /* case CURLOPT_SSH_KNOWNHOSTS: */
1087 case CURLOPT_SOCKS5_GSSAPI_SERVICE:
1088 case CURLOPT_MAIL_FROM:
1089 s = va_arg(arg, char *);
1090 ccsid = va_arg(arg, unsigned int);
1093 s = dynconvert(ASCII_CCSID, s, -1, ccsid);
1096 result = CURLE_OUT_OF_MEMORY;
1101 result = curl_easy_setopt(curl, tag, s);
1108 case CURLOPT_COPYPOSTFIELDS:
1109 /* Special case: byte count may have been given by CURLOPT_POSTFIELDSIZE
1110 prior to this call. In this case, convert the given byte count and
1111 replace the length according to the conversion result. */
1112 s = va_arg(arg, char *);
1113 ccsid = va_arg(arg, unsigned int);
1115 pfsize = data->set.postfieldsize;
1117 if (!s || !pfsize || ccsid == NOCONV_CCSID || ccsid == ASCII_CCSID) {
1118 result = curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS, s);
1123 /* Data is null-terminated. */
1124 s = dynconvert(ASCII_CCSID, s, -1, ccsid);
1127 result = CURLE_OUT_OF_MEMORY;
1132 /* Data length specified. */
1134 if (pfsize < 0 || pfsize > SIZE_MAX) {
1135 result = CURLE_OUT_OF_MEMORY;
1140 pfsize = len * MAX_CONV_EXPANSION;
1142 if (pfsize > SIZE_MAX)
1145 cp = malloc(pfsize);
1148 result = CURLE_OUT_OF_MEMORY;
1152 pfsize = convert(cp, pfsize, ASCII_CCSID, s, len, ccsid);
1156 result = CURLE_OUT_OF_MEMORY;
1160 data->set.postfieldsize = pfsize; /* Replace data size. */
1164 result = curl_easy_setopt(curl, CURLOPT_POSTFIELDS, s);
1165 data->set.str[STRING_COPYPOSTFIELDS] = s; /* Give to library. */
1168 case CURLOPT_ERRORBUFFER: /* This is an output buffer. */
1170 result = Curl_setopt(data, tag, arg);
1180 curl_form_long_value(long value)
1183 /* ILE/RPG cannot cast an integer to a pointer. This procedure does it. */
1185 return (char *) value;