Vendor in some support code

4 files changed, 367 insertions, 0 deletions

diff --git a/include/escape.h b/include/escape.h
new file mode 100644
index 0000000..a1184ba
--- /dev/null
+++ b/include/escape.h
@@ -0,0 +1,175 @@
+#ifndef ESCAPE_H
+#define ESCAPE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  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.
+ *
+ ***************************************************************************/
+
+/* from curl.h */
+typedef enum {
+  CURLE_OK = 0,
+  CURLE_UNSUPPORTED_PROTOCOL,    /* 1 */
+  CURLE_FAILED_INIT,             /* 2 */
+  CURLE_URL_MALFORMAT,           /* 3 */
+  CURLE_NOT_BUILT_IN,            /* 4 - [was obsoleted in August 2007 for
+                                    7.17.0, reused in April 2011 for 7.21.5] */
+  CURLE_COULDNT_RESOLVE_PROXY,   /* 5 */
+  CURLE_COULDNT_RESOLVE_HOST,    /* 6 */
+  CURLE_COULDNT_CONNECT,         /* 7 */
+  CURLE_WEIRD_SERVER_REPLY,      /* 8 */
+  CURLE_REMOTE_ACCESS_DENIED,    /* 9 a service was denied by the server
+                                    due to lack of access - when login fails
+                                    this is not returned. */
+  CURLE_FTP_ACCEPT_FAILED,       /* 10 - [was obsoleted in April 2006 for
+                                    7.15.4, reused in Dec 2011 for 7.24.0]*/
+  CURLE_FTP_WEIRD_PASS_REPLY,    /* 11 */
+  CURLE_FTP_ACCEPT_TIMEOUT,      /* 12 - timeout occurred accepting server
+                                    [was obsoleted in August 2007 for 7.17.0,
+                                    reused in Dec 2011 for 7.24.0]*/
+  CURLE_FTP_WEIRD_PASV_REPLY,    /* 13 */
+  CURLE_FTP_WEIRD_227_FORMAT,    /* 14 */
+  CURLE_FTP_CANT_GET_HOST,       /* 15 */
+  CURLE_HTTP2,                   /* 16 - A problem in the http2 framing layer.
+                                    [was obsoleted in August 2007 for 7.17.0,
+                                    reused in July 2014 for 7.38.0] */
+  CURLE_FTP_COULDNT_SET_TYPE,    /* 17 */
+  CURLE_PARTIAL_FILE,            /* 18 */
+  CURLE_FTP_COULDNT_RETR_FILE,   /* 19 */
+  CURLE_OBSOLETE20,              /* 20 - NOT USED */
+  CURLE_QUOTE_ERROR,             /* 21 - quote command failure */
+  CURLE_HTTP_RETURNED_ERROR,     /* 22 */
+  CURLE_WRITE_ERROR,             /* 23 */
+  CURLE_OBSOLETE24,              /* 24 - NOT USED */
+  CURLE_UPLOAD_FAILED,           /* 25 - failed upload "command" */
+  CURLE_READ_ERROR,              /* 26 - couldn't open/read from file */
+  CURLE_OUT_OF_MEMORY,           /* 27 */
+  /* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
+           instead of a memory allocation error if CURL_DOES_CONVERSIONS
+           is defined
+  */
+  CURLE_OPERATION_TIMEDOUT,      /* 28 - the timeout time was reached */
+  CURLE_OBSOLETE29,              /* 29 - NOT USED */
+  CURLE_FTP_PORT_FAILED,         /* 30 - FTP PORT operation failed */
+  CURLE_FTP_COULDNT_USE_REST,    /* 31 - the REST command failed */
+  CURLE_OBSOLETE32,              /* 32 - NOT USED */
+  CURLE_RANGE_ERROR,             /* 33 - RANGE "command" didn't work */
+  CURLE_HTTP_POST_ERROR,         /* 34 */
+  CURLE_SSL_CONNECT_ERROR,       /* 35 - wrong when connecting with SSL */
+  CURLE_BAD_DOWNLOAD_RESUME,     /* 36 - couldn't resume download */
+  CURLE_FILE_COULDNT_READ_FILE,  /* 37 */
+  CURLE_LDAP_CANNOT_BIND,        /* 38 */
+  CURLE_LDAP_SEARCH_FAILED,      /* 39 */
+  CURLE_OBSOLETE40,              /* 40 - NOT USED */
+  CURLE_FUNCTION_NOT_FOUND,      /* 41 - NOT USED starting with 7.53.0 */
+  CURLE_ABORTED_BY_CALLBACK,     /* 42 */
+  CURLE_BAD_FUNCTION_ARGUMENT,   /* 43 */
+  CURLE_OBSOLETE44,              /* 44 - NOT USED */
+  CURLE_INTERFACE_FAILED,        /* 45 - CURLOPT_INTERFACE failed */
+  CURLE_OBSOLETE46,              /* 46 - NOT USED */
+  CURLE_TOO_MANY_REDIRECTS,      /* 47 - catch endless re-direct loops */
+  CURLE_UNKNOWN_OPTION,          /* 48 - User specified an unknown option */
+  CURLE_TELNET_OPTION_SYNTAX,    /* 49 - Malformed telnet option */
+  CURLE_OBSOLETE50,              /* 50 - NOT USED */
+  CURLE_OBSOLETE51,              /* 51 - NOT USED */
+  CURLE_GOT_NOTHING,             /* 52 - when this is a specific error */
+  CURLE_SSL_ENGINE_NOTFOUND,     /* 53 - SSL crypto engine not found */
+  CURLE_SSL_ENGINE_SETFAILED,    /* 54 - can not set SSL crypto engine as
+                                    default */
+  CURLE_SEND_ERROR,              /* 55 - failed sending network data */
+  CURLE_RECV_ERROR,              /* 56 - failure in receiving network data */
+  CURLE_OBSOLETE57,              /* 57 - NOT IN USE */
+  CURLE_SSL_CERTPROBLEM,         /* 58 - problem with the local certificate */
+  CURLE_SSL_CIPHER,              /* 59 - couldn't use specified cipher */
+  CURLE_PEER_FAILED_VERIFICATION, /* 60 - peer's certificate or fingerprint
+                                     wasn't verified fine */
+  CURLE_BAD_CONTENT_ENCODING,    /* 61 - Unrecognized/bad encoding */
+  CURLE_LDAP_INVALID_URL,        /* 62 - Invalid LDAP URL */
+  CURLE_FILESIZE_EXCEEDED,       /* 63 - Maximum file size exceeded */
+  CURLE_USE_SSL_FAILED,          /* 64 - Requested FTP SSL level failed */
+  CURLE_SEND_FAIL_REWIND,        /* 65 - Sending the data requires a rewind
+                                    that failed */
+  CURLE_SSL_ENGINE_INITFAILED,   /* 66 - failed to initialise ENGINE */
+  CURLE_LOGIN_DENIED,            /* 67 - user, password or similar was not
+                                    accepted and we failed to login */
+  CURLE_TFTP_NOTFOUND,           /* 68 - file not found on server */
+  CURLE_TFTP_PERM,               /* 69 - permission problem on server */
+  CURLE_REMOTE_DISK_FULL,        /* 70 - out of disk space on server */
+  CURLE_TFTP_ILLEGAL,            /* 71 - Illegal TFTP operation */
+  CURLE_TFTP_UNKNOWNID,          /* 72 - Unknown transfer ID */
+  CURLE_REMOTE_FILE_EXISTS,      /* 73 - File already exists */
+  CURLE_TFTP_NOSUCHUSER,         /* 74 - No such user */
+  CURLE_CONV_FAILED,             /* 75 - conversion failed */
+  CURLE_CONV_REQD,               /* 76 - caller must register conversion
+                                    callbacks using curl_easy_setopt options
+                                    CURLOPT_CONV_FROM_NETWORK_FUNCTION,
+                                    CURLOPT_CONV_TO_NETWORK_FUNCTION, and
+                                    CURLOPT_CONV_FROM_UTF8_FUNCTION */
+  CURLE_SSL_CACERT_BADFILE,      /* 77 - could not load CACERT file, missing
+                                    or wrong format */
+  CURLE_REMOTE_FILE_NOT_FOUND,   /* 78 - remote file not found */
+  CURLE_SSH,                     /* 79 - error from the SSH layer, somewhat
+                                    generic so the error message will be of
+                                    interest when this has happened */
+
+  CURLE_SSL_SHUTDOWN_FAILED,     /* 80 - Failed to shut down the SSL
+                                    connection */
+  CURLE_AGAIN,                   /* 81 - socket is not ready for send/recv,
+                                    wait till it's ready and try again (Added
+                                    in 7.18.2) */
+  CURLE_SSL_CRL_BADFILE,         /* 82 - could not load CRL file, missing or
+                                    wrong format (Added in 7.19.0) */
+  CURLE_SSL_ISSUER_ERROR,        /* 83 - Issuer check failed.  (Added in
+                                    7.19.0) */
+  CURLE_FTP_PRET_FAILED,         /* 84 - a PRET command failed */
+  CURLE_RTSP_CSEQ_ERROR,         /* 85 - mismatch of RTSP CSeq numbers */
+  CURLE_RTSP_SESSION_ERROR,      /* 86 - mismatch of RTSP Session Ids */
+  CURLE_FTP_BAD_FILE_LIST,       /* 87 - unable to parse FTP file list */
+  CURLE_CHUNK_FAILED,            /* 88 - chunk callback reported error */
+  CURLE_NO_CONNECTION_AVAILABLE, /* 89 - No connection available, the
+                                    session will be queued */
+  CURLE_SSL_PINNEDPUBKEYNOTMATCH, /* 90 - specified pinned public key did not
+                                     match */
+  CURLE_SSL_INVALIDCERTSTATUS,   /* 91 - invalid certificate status */
+  CURLE_HTTP2_STREAM,            /* 92 - stream error in HTTP/2 framing layer
+                                    */
+  CURLE_RECURSIVE_API_CALL,      /* 93 - an api function was called from
+                                    inside a callback */
+  CURL_LAST /* never use! */
+} CURLcode;
+
+/* Escape and unescape URL encoding in strings. The functions return a new
+ * allocated string or NULL if an error occurred.  */
+
+bool Curl_isunreserved(unsigned char in);
+CURLcode Curl_urldecode(const char *string, size_t length,
+                        char **ostring, size_t *olen,
+                        bool reject_crlf);
+
+char *curl_easy_escape(const char *string, int length);
+
+char *curl_escape(const char *string, int length);
+
+char *curl_easy_unescape(const char *string,
+		int length, int *outlength);
+
+char *curl_unescape(const char *string, int length);
+
+
+#endif /* HEADER_CURL_ESCAPE_H */
diff --git a/include/ini.h b/include/ini.h
new file mode 100644
index 0000000..3757b83
--- /dev/null
+++ b/include/ini.h
@@ -0,0 +1,83 @@
+/* inih -- simple .INI file parser
+
+inih is released under the New BSD license (see LICENSE.txt). Go to the project
+home page for more info:
+
+https://github.com/benhoyt/inih
+
+*/
+
+#ifndef __INI_H__
+#define __INI_H__
+#include <stdio.h>
+
+/* Typedef for prototype of handler function. */
+typedef int (*ini_handler)(void* user, const char* section,
+                           const char* name, const char* value);
+
+/* Typedef for prototype of fgets-style reader function. */
+typedef char* (*ini_reader)(char* str, int num, void* stream);
+
+/* Parse given INI-style file. May have [section]s, name=value pairs
+   (whitespace stripped), and comments starting with ';' (semicolon). Section
+   is "" if name=value pair parsed before any section heading. name:value
+   pairs are also supported as a concession to Python's configparser.
+
+   For each name=value pair parsed, call handler function with given user
+   pointer as well as section, name, and value (data only valid for duration
+   of handler call). Handler should return nonzero on success, zero on error.
+
+   Returns 0 on success, line number of first error on parse error (doesn't
+   stop on first error), -1 on file open error, or -2 on memory allocation
+   error (only when INI_USE_STACK is zero).
+*/
+int ini_parse(const char* filename, ini_handler handler, void* user);
+
+/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
+   close the file when it's finished -- the caller must do that. */
+int ini_parse_file(FILE* file, ini_handler handler, void* user);
+
+/* Same as ini_parse(), but takes an ini_reader function pointer instead of
+   filename. Used for implementing custom or string-based I/O. */
+int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
+                     void* user);
+
+/* Nonzero to allow multi-line value parsing, in the style of Python's
+   configparser. If allowed, ini_parse() will call the handler with the same
+   name for each subsequent line parsed. */
+#ifndef INI_ALLOW_MULTILINE
+#define INI_ALLOW_MULTILINE 1
+#endif
+
+/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
+   the file. See http://code.google.com/p/inih/issues/detail?id=21 */
+#ifndef INI_ALLOW_BOM
+#define INI_ALLOW_BOM 1
+#endif
+
+/* Nonzero to allow inline comments (with valid inline comment characters
+   specified by INI_INLINE_COMMENT_PREFIXES). Set to 0 to turn off and match
+   Python 3.2+ configparser behaviour. */
+#ifndef INI_ALLOW_INLINE_COMMENTS
+#define INI_ALLOW_INLINE_COMMENTS 1
+#endif
+#ifndef INI_INLINE_COMMENT_PREFIXES
+#define INI_INLINE_COMMENT_PREFIXES ";"
+#endif
+
+/* Nonzero to use stack, zero to use heap (malloc/free). */
+#ifndef INI_USE_STACK
+#define INI_USE_STACK 1
+#endif
+
+/* Stop parsing on first error (default is to keep parsing). */
+#ifndef INI_STOP_ON_FIRST_ERROR
+#define INI_STOP_ON_FIRST_ERROR 0
+#endif
+
+/* Maximum line length for any line in INI file. */
+#ifndef INI_MAX_LINE
+#define INI_MAX_LINE 2000
+#endif
+
+#endif /* __INI_H__ */
diff --git a/include/url.h b/include/url.h
new file mode 100644
index 0000000..155fd55
--- /dev/null
+++ b/include/url.h
@@ -0,0 +1,103 @@
+#ifndef URLAPI_H
+#define URLAPI_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 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.
+ *
+ ***************************************************************************/
+
+/* the error codes for the URL API */
+typedef enum {
+  CURLUE_OK,
+  CURLUE_BAD_HANDLE,          /* 1 */
+  CURLUE_BAD_PARTPOINTER,     /* 2 */
+  CURLUE_MALFORMED_INPUT,     /* 3 */
+  CURLUE_BAD_PORT_NUMBER,     /* 4 */
+  CURLUE_UNSUPPORTED_SCHEME,  /* 5 */
+  CURLUE_URLDECODE,           /* 6 */
+  CURLUE_OUT_OF_MEMORY,       /* 7 */
+  CURLUE_USER_NOT_ALLOWED,    /* 8 */
+  CURLUE_UNKNOWN_PART,        /* 9 */
+  CURLUE_NO_SCHEME,           /* 10 */
+  CURLUE_NO_USER,             /* 11 */
+  CURLUE_NO_PASSWORD,         /* 12 */
+  CURLUE_NO_OPTIONS,          /* 13 */
+  CURLUE_NO_HOST,             /* 14 */
+  CURLUE_NO_PORT,             /* 15 */
+  CURLUE_NO_QUERY,            /* 16 */
+  CURLUE_NO_FRAGMENT          /* 17 */
+} CURLUcode;
+
+typedef enum {
+  CURLUPART_URL,
+  CURLUPART_SCHEME,
+  CURLUPART_USER,
+  CURLUPART_PASSWORD,
+  CURLUPART_OPTIONS,
+  CURLUPART_HOST,
+  CURLUPART_PORT,
+  CURLUPART_PATH,
+  CURLUPART_QUERY,
+  CURLUPART_FRAGMENT
+} CURLUPart;
+
+#define CURLU_PATH_AS_IS (1<<4)         /* leave dot sequences */
+#define CURLU_DISALLOW_USER (1<<5)      /* no user+password allowed */
+#define CURLU_URLDECODE (1<<6)          /* URL decode on get */
+#define CURLU_URLENCODE (1<<7)          /* URL encode on set */
+#define CURLU_APPENDQUERY (1<<8)        /* append a form style part */
+
+typedef struct Curl_URL CURLU;
+
+/*
+ * curl_url() creates a new CURLU handle and returns a pointer to it.
+ * Must be freed with curl_url_cleanup().
+ */
+struct Curl_URL *curl_url(void);
+
+/*
+ * curl_url_cleanup() frees the CURLU handle and related resources used for
+ * the URL parsing. It will not free strings previously returned with the URL
+ * API.
+ */
+void curl_url_cleanup(struct Curl_URL *handle);
+
+/*
+ * curl_url_dup() duplicates a CURLU handle and returns a new copy. The new
+ * handle must also be freed with curl_url_cleanup().
+ */
+struct Curl_URL *curl_url_dup(struct Curl_URL *in);
+
+/*
+ * curl_url_get() extracts a specific part of the URL from a CURLU
+ * handle. Returns error code. The returned pointer MUST be freed with
+ * free() afterwards.
+ */
+CURLUcode curl_url_get(struct Curl_URL *handle, CURLUPart what,
+	char **part, unsigned int flags);
+
+/*
+ * curl_url_set() sets a specific part of the URL in a CURLU handle. Returns
+ * error code. The passed in string will be copied. Passing a NULL instead of
+ * a part string, clears that part.
+ */
+CURLUcode curl_url_set(struct Curl_URL *handle, CURLUPart what,
+	const char *part, unsigned int flags);
+
+#endif
diff --git a/include/util.h b/include/util.h
new file mode 100644
index 0000000..8cbadb1
--- /dev/null
+++ b/include/util.h
@@ -0,0 +1,6 @@
+#ifndef GEMINI_UTIL_H
+#define GEMINI_UTIL_H
+
+int mkdirs(char *path, mode_t mode);
+
+#endif