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-rw-r--r--src/tool_setopt.c403
1 files changed, 374 insertions, 29 deletions
diff --git a/src/tool_setopt.c b/src/tool_setopt.c
index 6fc604716..5be4c3b39 100644
--- a/src/tool_setopt.c
+++ b/src/tool_setopt.c
@@ -35,43 +35,397 @@
#include "memdebug.h" /* keep this as LAST include */
+/* Lookup tables for converting setopt values back to symbols */
+/* For enums, values may be in any order. */
+/* For bit masks, put combinations first, then single bits, */
+/* and finally any "NONE" value. */
+
+#define NV(e) {#e, e}
+#define NVEND {NULL, 0} /* sentinel to mark end of list */
+
+const NameValue setopt_nv_CURLPROXY[] = {
+ NV(CURLPROXY_HTTP),
+ NV(CURLPROXY_HTTP_1_0),
+ NV(CURLPROXY_SOCKS4),
+ NV(CURLPROXY_SOCKS5),
+ NV(CURLPROXY_SOCKS4A),
+ NV(CURLPROXY_SOCKS5_HOSTNAME),
+ NVEND,
+};
+
+const NameValue setopt_nv_CURLAUTH[] = {
+ NV(CURLAUTH_ANY), /* combination */
+ NV(CURLAUTH_ANYSAFE), /* combination */
+ NV(CURLAUTH_BASIC),
+ NV(CURLAUTH_DIGEST),
+ NV(CURLAUTH_GSSNEGOTIATE),
+ NV(CURLAUTH_NTLM),
+ NV(CURLAUTH_DIGEST_IE),
+ NV(CURLAUTH_NTLM_WB),
+ NV(CURLAUTH_ONLY),
+ NV(CURLAUTH_NONE),
+ NVEND,
+};
+
+const NameValue setopt_nv_CURL_HTTP_VERSION[] = {
+ NV(CURL_HTTP_VERSION_NONE),
+ NV(CURL_HTTP_VERSION_1_0),
+ NV(CURL_HTTP_VERSION_1_1),
+ NVEND,
+};
+
+const NameValue setopt_nv_CURL_SSLVERSION[] = {
+ NV(CURL_SSLVERSION_DEFAULT),
+ NV(CURL_SSLVERSION_TLSv1),
+ NV(CURL_SSLVERSION_SSLv2),
+ NV(CURL_SSLVERSION_SSLv3),
+ NVEND,
+};
+
+const NameValue setopt_nv_CURL_TIMECOND[] = {
+ NV(CURL_TIMECOND_IFMODSINCE),
+ NV(CURL_TIMECOND_IFUNMODSINCE),
+ NV(CURL_TIMECOND_LASTMOD),
+ NV(CURL_TIMECOND_NONE),
+ NVEND,
+};
+
+const NameValue setopt_nv_CURLFTPSSL_CCC[] = {
+ NV(CURLFTPSSL_CCC_NONE),
+ NV(CURLFTPSSL_CCC_PASSIVE),
+ NV(CURLFTPSSL_CCC_ACTIVE),
+ NVEND,
+};
+
+/* These mappings essentially triplicated - see
+ * tool_libinfo.c and tool_paramhlp.c */
+const NameValue setopt_nv_CURLPROTO[] = {
+ NV(CURLPROTO_ALL), /* combination */
+ NV(CURLPROTO_DICT),
+ NV(CURLPROTO_FILE),
+ NV(CURLPROTO_FTP),
+ NV(CURLPROTO_FTPS),
+ NV(CURLPROTO_GOPHER),
+ NV(CURLPROTO_HTTP),
+ NV(CURLPROTO_HTTPS),
+ NV(CURLPROTO_IMAP),
+ NV(CURLPROTO_IMAPS),
+ NV(CURLPROTO_LDAP),
+ NV(CURLPROTO_LDAPS),
+ NV(CURLPROTO_POP3),
+ NV(CURLPROTO_POP3S),
+ NV(CURLPROTO_RTSP),
+ NV(CURLPROTO_SCP),
+ NV(CURLPROTO_SFTP),
+ NV(CURLPROTO_SMTP),
+ NV(CURLPROTO_SMTPS),
+ NV(CURLPROTO_TELNET),
+ NV(CURLPROTO_TFTP),
+ NVEND,
+};
+
+/* Format and add code; jump to nomem on malloc error */
+#define ADD(args) do { \
+ ret = easysrc_add args; \
+ if(ret) \
+ goto nomem; \
+} while(0)
+#define ADDF(args) do { \
+ ret = easysrc_addf args; \
+ if(ret) \
+ goto nomem; \
+} while(0)
+
+#define DECL0(s) ADD((&easysrc_decl, s))
+#define DECL1(f,a) ADDF((&easysrc_decl, f,a))
+
+#define DATA0(s) ADD((&easysrc_data, s))
+#define DATA1(f,a) ADDF((&easysrc_data, f,a))
+#define DATA2(f,a,b) ADDF((&easysrc_data, f,a,b))
+#define DATA3(f,a,b,c) ADDF((&easysrc_data, f,a,b,c))
+
+#define CODE0(s) ADD((&easysrc_code, s))
+#define CODE1(f,a) ADDF((&easysrc_code, f,a))
+#define CODE2(f,a,b) ADDF((&easysrc_code, f,a,b))
+#define CODE3(f,a,b,c) ADDF((&easysrc_code, f,a,b,c))
+
+#define CLEAN0(s) ADD((&easysrc_clean, s))
+#define CLEAN1(f,a) ADDF((&easysrc_clean, f,a))
+
+#define REM0(s) ADD((&easysrc_toohard, s))
+#define REM1(f,a) ADDF((&easysrc_toohard, f,a))
+#define REM2(f,a,b) ADDF((&easysrc_toohard, f,a,b))
+
+/* Escape string to C string syntax. Return NULL if out of memory.
+ * Is this correct for those wacky EBCDIC guys? */
+static char *c_escape(const char *str)
+{
+ size_t len = 0;
+ const char *s;
+ unsigned char c;
+ char *escaped, *e;
+ /* Allocate space based on worst-case */
+ len = strlen(str);
+ escaped = malloc(4 * len + 1);
+ if(!escaped)
+ return NULL;
+
+ e = escaped;
+ for(s=str; (c=*s) != '\0'; s++) {
+ if(c=='\n') {
+ strcpy(e, "\\n");
+ e += 2;
+ }
+ else if(c=='\r') {
+ strcpy(e, "\\r");
+ e += 2;
+ }
+ else if(c=='\t') {
+ strcpy(e, "\\t");
+ e += 2;
+ }
+ else if(c=='\\') {
+ strcpy(e, "\\\\");
+ e += 2;
+ }
+ else if(c=='"') {
+ strcpy(e, "\\\"");
+ e += 2;
+ }
+ else if(! isprint(c)) {
+ sprintf(e, "\\%03o", c);
+ e += 4;
+ }
+ else
+ *e++ = c;
+ }
+ *e = '\0';
+ return escaped;
+}
+
+/* setopt wrapper for enum types */
+CURLcode tool_setopt_enum(CURL *curl, struct Configurable *config,
+ const char *name, CURLoption tag,
+ const NameValue *nvlist, long lval)
+{
+ CURLcode ret = CURLE_OK;
+ bool skip = FALSE;
+
+ ret = curl_easy_setopt(curl, tag, lval);
+ if(!lval)
+ skip = TRUE;
+
+ if(config->libcurl && !skip && !ret) {
+ /* we only use this for real if --libcurl was used */
+ const NameValue *nv = NULL;
+ for(nv=nvlist; nv->name; nv++) {
+ if(nv->value == lval) break; /* found it */
+ }
+ if(! nv->name) {
+ /* If no definition was found, output an explicit value.
+ * This could happen if new values are defined and used
+ * but the NameValue list is not updated. */
+ CODE2("curl_easy_setopt(hnd, %s, %ldL);", name, lval);
+ }
+ else {
+ CODE2("curl_easy_setopt(hnd, %s, (long)%s);", name, nv->name);
+ }
+ }
+
+ nomem:
+ return ret;
+}
+
+/* setopt wrapper for bit mask */
+CURLcode tool_setopt_flags(CURL *curl, struct Configurable *config,
+ const char *name, CURLoption tag,
+ const NameValue *nvlist, long lval)
+{
+ CURLcode ret = CURLE_OK;
+ bool skip = FALSE;
+
+ ret = curl_easy_setopt(curl, tag, lval);
+ if(!lval)
+ skip = TRUE;
+
+ if(config->libcurl && !skip && !ret) {
+ /* we only use this for real if --libcurl was used */
+ char preamble[80]; /* should accommodate any symbol name */
+ long rest = lval; /* bits not handled yet */
+ const NameValue *nv = NULL;
+ snprintf(preamble, sizeof(preamble),
+ "curl_easy_setopt(hnd, %s, ", name);
+ for(nv=nvlist; nv->name; nv++) {
+ if((nv->value & ~ rest) == 0) {
+ /* all value flags contained in rest */
+ rest &= ~ nv->value; /* remove bits handled here */
+ CODE3("%s(long)%s%s",
+ preamble, nv->name, rest ? " |" : ");");
+ if(!rest)
+ break; /* handled them all */
+ /* replace with all spaces for continuation line */
+ sprintf(preamble, "%*s", strlen(preamble), "");
+ }
+ }
+ /* If any bits have no definition, output an explicit value.
+ * This could happen if new bits are defined and used
+ * but the NameValue list is not updated. */
+ if(rest)
+ CODE2("%s%ldL);", preamble, rest);
+ }
+
+ nomem:
+ return ret;
+}
+
+/* setopt wrapper for CURLOPT_HTTPPOST */
+CURLcode tool_setopt_httppost(CURL *curl, struct Configurable *config,
+ const char *name, CURLoption tag,
+ struct curl_httppost *post)
+{
+ CURLcode ret = CURLE_OK;
+ bool skip = FALSE;
+
+ ret = curl_easy_setopt(curl, tag, post);
+ if(!post)
+ skip = TRUE;
+
+ if(config->libcurl && !skip && !ret) {
+ struct curl_httppost *pp, *p;
+ int i;
+ /* May use several httppost lists, if multiple POST actions */
+ i = ++ easysrc_form_count;
+ DECL1("struct curl_httppost *post%d;", i);
+ DATA1("post%d = NULL;", i);
+ CLEAN1("curl_formfree(post%d);", i);
+ CLEAN1("post%d = NULL;", i);
+ if(i == 1)
+ DECL0("struct curl_httppost *postend;");
+ DATA0("postend = NULL;");
+ for(p=post; p; p=p->next) {
+ DATA1("curl_formadd(&post%d, &postend,", i);
+ DATA1(" CURLFORM_COPYNAME, \"%s\",", p->name);
+ for(pp=p; pp; pp=pp->more) {
+ /* May be several files uploaded for one name;
+ * these are linked through the 'more' pointer */
+ char *e;
+ e = c_escape(pp->contents);
+ if(!e)
+ goto nomem;
+ if(pp->flags & HTTPPOST_FILENAME) {
+ /* file upload as for -F @filename */
+ DATA1(" CURLFORM_FILE, \"%s\",", e);
+ }
+ else if(pp->flags & HTTPPOST_READFILE) {
+ /* content from file as for -F <filename */
+ DATA1(" CURLFORM_FILECONTENT, \"%s\",", e);
+ }
+ else
+ DATA1(" CURLFORM_COPYCONTENTS, \"%s\",", e);
+ free(e);
+ if(pp->showfilename) {
+ e = c_escape(pp->showfilename);
+ if(!e)
+ goto nomem;
+ DATA1(" CURLFORM_FILENAME, \"%s\",", e);
+ free(e);
+ }
+ if(pp->contenttype) {
+ e = c_escape(pp->contenttype);
+ if(!e)
+ goto nomem;
+ DATA1(" CURLFORM_CONTENTTYPE, \"%s\",", e);
+ free(e);
+ }
+ }
+ DATA0(" CURLFORM_END);");
+ }
+ CODE2("curl_easy_setopt(hnd, %s, post%d);", name, i);
+ }
+
+ nomem:
+ return ret;
+}
+
+/* setopt wrapper for curl_slist options */
+CURLcode tool_setopt_slist(CURL *curl, struct Configurable *config,
+ const char *name, CURLoption tag,
+ struct curl_slist *list)
+{
+ CURLcode ret = CURLE_OK;
+ bool skip = FALSE;
+
+ ret = curl_easy_setopt(curl, tag, list);
+ if(!list)
+ skip = TRUE;
+
+ if(config->libcurl && !skip && !ret) {
+ struct curl_slist *s;
+ int i;
+ /* May need several slist variables, so invent name */
+ i = ++ easysrc_slist_count;
+ DECL1("struct curl_slist *slist%d;", i);
+ DATA1("slist%d = NULL;", i);
+ CLEAN1("curl_slist_free_all(slist%d);", i);
+ CLEAN1("slist%d = NULL;", i);
+ for(s=list; s; s=s->next) {
+ char *e = c_escape(s->data);
+ if(!e)
+ goto nomem;
+ DATA3("slist%d = curl_slist_append(slist%d, \"%s\");", i, i, e);
+ free(e);
+ }
+ CODE2("curl_easy_setopt(hnd, %s, slist%d);", name, i);
+ }
+
+ nomem:
+ return ret;
+}
+
+/* generic setopt wrapper for all other options.
+ * Some type information is encoded in the tag value. */
CURLcode tool_setopt(CURL *curl, bool str, struct Configurable *config,
const char *name, CURLoption tag, ...)
{
va_list arg;
- char *bufp;
- char value[256];
+ char buf[256];
+ const char *value;
bool remark = FALSE;
bool skip = FALSE;
+ bool escape = FALSE;
CURLcode ret = CURLE_OK;
va_start(arg, tag);
if(tag < CURLOPTTYPE_OBJECTPOINT) {
+ /* Value is expected to be a long */
long lval = va_arg(arg, long);
- snprintf(value, sizeof(value), "%ldL", lval);
+ snprintf(buf, sizeof(buf), "%ldL", lval);
+ value = buf;
ret = curl_easy_setopt(curl, tag, lval);
if(!lval)
skip = TRUE;
}
else if(tag < CURLOPTTYPE_OFF_T) {
+ /* Value is some sort of object pointer */
void *pval = va_arg(arg, void *);
- unsigned char *ptr = (unsigned char *)pval;
/* function pointers are never printable */
if(tag >= CURLOPTTYPE_FUNCTIONPOINT) {
if(pval) {
- strcpy(value, "functionpointer"); /* 'value' fits 256 bytes */
+ value = "functionpointer";
remark = TRUE;
}
else
skip = TRUE;
}
- else if(pval && str)
- snprintf(value, sizeof(value), "\"%s\"", (char *)ptr);
+ else if(pval && str) {
+ value = (char *)pval;
+ escape = TRUE;
+ }
else if(pval) {
- strcpy(value, "objectpointer"); /* 'value' fits 256 bytes */
+ value = "objectpointer";
remark = TRUE;
}
else
@@ -81,9 +435,11 @@ CURLcode tool_setopt(CURL *curl, bool str, struct Configurable *config,
}
else {
+ /* Value is expected to be curl_off_t */
curl_off_t oval = va_arg(arg, curl_off_t);
- snprintf(value, sizeof(value),
+ snprintf(buf, sizeof(buf),
"(curl_off_t)%" CURL_FORMAT_CURL_OFF_T, oval);
+ value = buf;
ret = curl_easy_setopt(curl, tag, oval);
if(!oval)
@@ -96,32 +452,21 @@ CURLcode tool_setopt(CURL *curl, bool str, struct Configurable *config,
/* we only use this for real if --libcurl was used */
if(remark)
- bufp = curlx_maprintf("%s set to a %s", name, value);
- else
- bufp = curlx_maprintf("curl_easy_setopt(hnd, %s, %s);", name, value);
-
- if(!bufp)
- ret = CURLE_OUT_OF_MEMORY;
+ REM2("%s set to a %s", name, value);
else {
- struct curl_slist *list =
- curl_slist_append(remark?easysrc_remarks:easysrc, bufp);
-
- curl_free(bufp);
-
- if(!list) {
- curl_slist_free_all(easysrc_remarks);
- curl_slist_free_all(easysrc);
- easysrc_remarks = NULL;
- easysrc = NULL;
- ret = CURLE_OUT_OF_MEMORY;
+ if(escape) {
+ char *escaped = c_escape(value);
+ if(!escaped)
+ goto nomem;
+ CODE2("curl_easy_setopt(hnd, %s, \"%s\");", name, escaped);
+ free(escaped);
}
- else if(remark)
- easysrc_remarks = list;
else
- easysrc = list;
+ CODE2("curl_easy_setopt(hnd, %s, %s);", name, value);
}
}
+ nomem:
return ret;
}