Annotation of libaitio/inc/aitio.h, revision 1.11.2.23

1.1       misho       1: /*************************************************************************
1.8       misho       2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
                      3: *  by Michael Pounov <misho@elwix.org>
1.1       misho       4: *
                      5: * $Author: misho $
1.11.2.23! misho       6: * $Id: aitio.h,v 1.11.2.22 2011/10/04 14:33:32 misho Exp $
1.1       misho       7: *
1.8       misho       8: **************************************************************************
                      9: The ELWIX and AITNET software is distributed under the following
                     10: terms:
                     11: 
                     12: All of the documentation and software included in the ELWIX and AITNET
                     13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
                     14: 
                     15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
                     16:        by Michael Pounov <misho@elwix.org>.  All rights reserved.
                     17: 
                     18: Redistribution and use in source and binary forms, with or without
                     19: modification, are permitted provided that the following conditions
                     20: are met:
                     21: 1. Redistributions of source code must retain the above copyright
                     22:    notice, this list of conditions and the following disclaimer.
                     23: 2. Redistributions in binary form must reproduce the above copyright
                     24:    notice, this list of conditions and the following disclaimer in the
                     25:    documentation and/or other materials provided with the distribution.
                     26: 3. All advertising materials mentioning features or use of this software
                     27:    must display the following acknowledgement:
                     28: This product includes software developed by Michael Pounov <misho@elwix.org>
                     29: ELWIX - Embedded LightWeight unIX and its contributors.
                     30: 4. Neither the name of AITNET nor the names of its contributors
                     31:    may be used to endorse or promote products derived from this software
                     32:    without specific prior written permission.
                     33: 
                     34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
                     35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     44: SUCH DAMAGE.
                     45: */
1.1       misho      46: #ifndef __AITIO_H
                     47: #define __AITIO_H
                     48: 
                     49: 
1.11.2.21  misho      50: #define COMPAT_43TTY
                     51: 
1.8       misho      52: #include <assert.h>
1.7       misho      53: #include <openssl/evp.h>
1.11.2.23! misho      54: #include <openssl/aes.h>
1.11.2.21  misho      55: #include <sys/tty.h>
                     56: #include <sys/ioctl_compat.h>
1.7       misho      57: 
                     58: 
1.8       misho      59: #define VACUUM_LEFT    1
                     60: #define VACUUM_BETWEEN 2
                     61: 
1.11.2.1  misho      62: /* AIT arrays */
1.8       misho      63: 
1.9       misho      64: typedef void ** sarr_seg_t;
                     65: typedef struct _tagSplitArray {
                     66:        int             sarr_num;
                     67:        int             sarr_seg;
                     68:        int             sarr_siz;
                     69:        sarr_seg_t      *sarr_data;
                     70: } sarr_t;
                     71: 
1.8       misho      72: typedef struct _tagArray {
                     73:        int     arr_num;
                     74:        void    **arr_data;
                     75: } array_t;
                     76: 
1.11.2.1  misho      77: /* URL staff ... */
                     78: 
1.2       misho      79: typedef struct _tagURLItem {
                     80:        int     vallen;
                     81:        char    *value;
                     82: } url_Item_t;
                     83: 
                     84: struct tagIOURL {
                     85:        unsigned char   url_line[BUFSIZ];
                     86: 
                     87:        url_Item_t      url_tech;
                     88:        url_Item_t      url_user;
                     89:        url_Item_t      url_pass;
                     90:        url_Item_t      url_host;
                     91:        url_Item_t      url_port;
                     92:        url_Item_t      url_path;
                     93:        url_Item_t      url_args;
                     94: 
                     95:        char            *url_reserved;
                     96: };
                     97: 
1.6       misho      98: struct tagReqXML {
                     99:        unsigned char   xml_line[BUFSIZ];
                    100: 
                    101:        url_Item_t      xml_namespace;
                    102:        union {
                    103:                url_Item_t      container;
                    104:                url_Item_t      path;
                    105:        }               xml_node;
                    106:        url_Item_t      xml_data;
                    107:        url_Item_t      xml_attribute;
                    108:        url_Item_t      xml_value;
                    109: };
                    110: 
1.11.2.2  misho     111: /* AIT RPC variables and managment */
1.11.2.1  misho     112: 
                    113: typedef enum {
                    114:        empty,                          /* empty -> variable is not set */
1.11.2.6  misho     115:        buffer, string, blob,           /* buffer -> uint8_t*; string -> int8_t*; blob -> void*(+socket); */
                    116:        f32, f64,                       /* float -> f32; double -> f64 */
1.11.2.1  misho     117:        u8, u16, u32, u64,              /* unsigned integers ... */
1.11.2.5  misho     118:        i8, i16, i32, i64,              /* integers ... */
1.11.2.1  misho     119: } ait_type_t;
                    120: 
                    121: typedef struct {
                    122:        uint8_t         val_type;
                    123:        uint32_t        val_len;
                    124:        union {
1.11.2.6  misho     125:                uint64_t        net;
                    126: 
                    127:                uint8_t         *buffer;
1.11.2.1  misho     128:                int8_t          *string;
                    129:                uint32_t        blob;
1.11.2.6  misho     130:                float           f32;
                    131:                double          f64;
1.11.2.1  misho     132:                uint8_t         u8;
                    133:                uint16_t        u16;
                    134:                uint32_t        u32;
                    135:                uint64_t        u64;
                    136:                int8_t          i8;
                    137:                int16_t         i16;
                    138:                int32_t         i32;
                    139:                int64_t         i64;
                    140:        } val;
                    141: } __packed ait_val_t;
                    142: 
1.11.2.6  misho     143: #define AIT_TYPE(_vl)                  ((ait_type_t) (_vl)->val_type)
1.11.2.3  misho     144: #define AIT_LEN(_vl)                   (_vl)->val_len
1.11.2.5  misho     145: #define AIT_BLOB_CHUNKS(_vl, _n)       (assert((_vl)), AIT_LEN((_vl)) / _n + (AIT_LEN((_vl)) % _n) ? 1 : 0)
                    146: #define AIT_ISEMPTY(_vl)               (assert((_vl)), AIT_TYPE((_vl)) == empty)
1.11.2.1  misho     147: 
1.11.2.5  misho     148: #define AIT_GET_BUF(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == buffer), (_vl)->val.buffer)
                    149: #define AIT_GET_STR(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == string), (_vl)->val.string)
                    150: #define AIT_GET_BLOB(_vl)              (assert((_vl)), assert(AIT_TYPE((_vl)) == blob), (_vl)->val.blob)
                    151: #define AIT_GET_U8(_vl)                        (assert((_vl)), assert(AIT_TYPE((_vl)) == u8), (_vl)->val.u8)
                    152: #define AIT_GET_U16(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == u16), (_vl)->val.u16)
                    153: #define AIT_GET_U32(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == u32), (_vl)->val.u32)
                    154: #define AIT_GET_U64(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == u64), (_vl)->val.u64)
                    155: #define AIT_GET_I8(_vl)                        (assert((_vl)), assert(AIT_TYPE((_vl)) == i8), (_vl)->val.i8)
                    156: #define AIT_GET_I16(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == i16), (_vl)->val.i16)
                    157: #define AIT_GET_I32(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == i32), (_vl)->val.i32)
                    158: #define AIT_GET_I64(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == i64), (_vl)->val.i64)
1.11.2.6  misho     159: #define AIT_GET_F32(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == f32), (_vl)->val.f32)
                    160: #define AIT_GET_F64(_vl)               (assert((_vl)), assert(AIT_TYPE((_vl)) == f64), (_vl)->val.f64)
1.11.2.1  misho     161: 
                    162: #define AIT_SET_BUF(_vl, _v, _len)     do { ait_val_t *__val = (_vl); assert(__val); assert((_v)); \
                    163:                                                __val->val.buffer = malloc(_len); \
                    164:                                                if (__val->val.buffer) { \
1.11.2.3  misho     165:                                                        __val->val_type = buffer; AIT_LEN(__val) = _len; \
1.11.2.1  misho     166:                                                        memcpy(__val->val.buffer, (_v), _len); \
                    167:                                                } } while (0)
1.11.2.12  misho     168: #define AIT_SET_STR(_vl, _v)           do { ait_val_t *__val = (_vl); assert(__val); assert((_v)); \
1.11.2.1  misho     169:                                                __val->val.string = (int8_t*) strdup((_v)); \
                    170:                                                if (__val->val.string) { \
1.11.2.3  misho     171:                                                        __val->val_type = string; \
1.11.2.1  misho     172:                                                        AIT_LEN(__val) = strlen((_v)) + 1; \
                    173:                                                } } while (0)
                    174: #define AIT_SET_BLOB(_vl, _n, _len)    do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     175:                                                __val->val_type = blob; AIT_LEN(__val) = _len; \
1.11.2.1  misho     176:                                                __val->val.blob = _n; } while (0)
                    177: #define AIT_SET_BLOB2(_vl, _bv)                do { ait_val_t *__val = (_vl); assert(__val); assert((_bv)); \
1.11.2.3  misho     178:                                                __val->val_type = blob; AIT_LEN(__val) = (_bv)->blob_len; \
1.11.2.1  misho     179:                                                __val->val.blob = (_bv)->blob_var; } while (0)
1.11.2.11  misho     180: #define AIT_NEW_BLOB(_vl, _len)                AIT_SET_BLOB((_vl), 0, _len)
1.11.2.1  misho     181: 
                    182: #define AIT_SET_U8(_vl, _n)            do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     183:                                                __val->val_type = u8; __val->val.u8 = _n; \
1.11.2.1  misho     184:                                                AIT_LEN(__val) = sizeof(uint8_t); } while (0)
                    185: #define AIT_SET_U16(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     186:                                                __val->val_type = u16; __val->val.u16 = _n; \
1.11.2.1  misho     187:                                                AIT_LEN(__val) = sizeof(uint16_t); } while (0)
                    188: #define AIT_SET_U32(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     189:                                                __val->val_type = u32; __val->val.u32 = _n; \
1.11.2.1  misho     190:                                                AIT_LEN(__val) = sizeof(uint32_t); } while (0)
                    191: #define AIT_SET_U64(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     192:                                                __val->val_type = u64; __val->val.u64 = _n; \
1.11.2.1  misho     193:                                                AIT_LEN(__val) = sizeof(uint64_t); } while (0)
                    194: #define AIT_SET_I8(_vl, _n)            do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     195:                                                __val->val_type = i8; __val->val.i8 = _n; \
1.11.2.1  misho     196:                                                AIT_LEN(__val) = sizeof(int8_t); } while (0)
                    197: #define AIT_SET_I16(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     198:                                                __val->val_type = i16; __val->val.i16 = _n; \
1.11.2.1  misho     199:                                                AIT_LEN(__val) = sizeof(int16_t); } while (0)
                    200: #define AIT_SET_I32(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     201:                                                __val->val_type = i32; __val->val.i32 = _n; \
1.11.2.1  misho     202:                                                AIT_LEN(__val) = sizeof(int32_t); } while (0)
                    203: #define AIT_SET_I64(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     204:                                                __val->val_type = i64; __val->val.i64 = _n; \
1.11.2.1  misho     205:                                                AIT_LEN(__val) = sizeof(int64_t); } while (0)
1.11.2.6  misho     206: #define AIT_SET_F32(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    207:                                                __val->val_type = f32; __val->val.f32 = _n; \
                    208:                                                AIT_LEN(__val) = sizeof(float); } while (0)
                    209: #define AIT_SET_F64(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    210:                                                __val->val_type = f64; __val->val.f64 = _n; \
                    211:                                                AIT_LEN(__val) = sizeof(double); } while (0)
1.11.2.1  misho     212: 
1.11.2.5  misho     213:                                        /* if attribute zeroCopy is set not execute free() */
1.11.2.1  misho     214: #define AIT_FREE_VAL(_vl)              do { ait_val_t *__val = (_vl); assert(__val); \
1.11.2.3  misho     215:                                                switch (__val->val_type) { \
1.11.2.1  misho     216:                                                        case buffer: \
                    217:                                                                if (__val->val.buffer) { \
                    218:                                                                        free(__val->val.buffer); \
                    219:                                                                        __val->val.buffer = NULL; \
                    220:                                                                } \
                    221:                                                                break; \
                    222:                                                        case string: \
                    223:                                                                if (__val->val.string) { \
                    224:                                                                        free(__val->val.string); \
                    225:                                                                        __val->val.string = NULL; \
                    226:                                                                } \
                    227:                                                                break; \
1.11.2.3  misho     228:                                                        default: \
                    229:                                                                break; \
1.11.2.1  misho     230:                                                } \
1.11.2.3  misho     231:                                                __val->val_type = empty; \
1.11.2.1  misho     232:                                                AIT_LEN(__val) = 0; \
                    233:                                        } while (0)
                    234: 
1.3       misho     235: 
1.1       misho     236: // io_GetErrno() Get error code of last operation
                    237: inline int io_GetErrno();
                    238: // io_GetError() Get error text of last operation
                    239: inline const char *io_GetError();
                    240: 
                    241: 
                    242: /*
1.11.2.6  misho     243:  * io_vals2buffer() Marshaling data from array with variables to buffer
                    244:  * @buf = Buffer
                    245:  * @buflen = Size of buffer
                    246:  * @vars = Variable array
                    247:  * return: -1 error, 0 nothing done or >0 size of marshaled data
                    248:  */
1.11.2.9  misho     249: int io_vals2buffer(unsigned char *buf, int buflen, array_t *vars);
1.11.2.6  misho     250: /*
                    251:  * io_buffer2vals() De-marshaling data from buffer to array with variables
                    252:  * @buf = Buffer
                    253:  * @buflen = Size of buffer
                    254:  * @vnum = Number of variables into buffer
                    255:  * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and 
                    256:                *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
                    257:  * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
                    258:  */
                    259: array_t *io_buffer2vals(unsigned char *buf, int buflen, int vnum, int zcpy);
1.11.2.13  misho     260: /*
                    261:  * io_vals2map() Marshaling data from array with variables to memory map
                    262:  * @buf = Buffer
                    263:  * @buflen = Size of buffer
                    264:  * @vars = Variable array
                    265:  * return: -1 error, 0 nothing done or >0 size of marshaled data
                    266:  */
                    267: int io_vals2map(u_char *buf, int buflen, array_t *vars);
                    268: /*
                    269:  * io_map2vals() De-marshaling data from memory map to array with variables
                    270:  * @buf = Buffer
                    271:  * @buflen = Size of buffer
                    272:  * @vnum = Number of variables into buffer
                    273:  * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and 
                    274:                *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
                    275:  * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
                    276:  */
                    277: array_t *io_map2vals(u_char *buf, int buflen, int vnum, int zcpy);
1.11.2.6  misho     278: 
                    279: /*
1.1       misho     280:  * ioPromptRead() Read data from input h[0] with prompt to output h[1]
                    281:  * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
                    282:  * @csPrompt = Prompt before input, may be NULL
                    283:  * @psData = Readed data
                    284:  * @dataLen = Length of data
                    285:  * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
                    286: */
                    287: int ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen);
                    288: /*
                    289:  * ioPromptPassword() Read password from input h[0] with prompt to output h[1]
                    290:  * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
                    291:  * @csPrompt = Prompt before input, may be NULL
                    292:  * @psPass = Readed password
                    293:  * @passLen = Length of password
                    294:  * @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation
                    295:  * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
                    296: */
                    297: int ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm);
                    298: 
                    299: /*
                    300:  * ioRegexVerify() Function for verify data match in regex expression
                    301:  * @csRegex = Regulare expression pattern
                    302:  * @csData = Data for check and verify
                    303:  * @startPos = Return start positions
                    304:  * @endPos = Return end positions
                    305:  * return: NULL not match or error; !=NULL begin of matched data
                    306: */
                    307: const char *ioRegexVerify(const char *csRegex, const char *csData, int *startPos, int *endPos);
                    308: /*
                    309:  * ioRegexGet() Function for get data match in regex expression
                    310:  * @csRegex = Regulare expression pattern
                    311:  * @csData = Data from get
                    312:  * @psString = Returned string if match
                    313:  * @strLen = Length of string
                    314:  * return: 0 not match; >0 count of returned chars
                    315: */
                    316: int ioRegexGet(const char *csRegex, const char *csData, char * __restrict psString, int strLen);
                    317: /*
                    318:  * ioRegexReplace() Function for replace data match in regex expression with newdata
                    319:  * @csRegex = Regulare expression pattern
                    320:  * @csData = Source data
                    321:  * @csNew = Data for replace
                    322:  * return: NULL not match or error; !=NULL allocated new string, must be free after use!
                    323: */
                    324: char *ioRegexReplace(const char *csRegex, const char *csData, const char *csNew);
                    325: 
1.2       misho     326: /*
1.6       misho     327:  * ioVarAst() Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}"
                    328:  * @csString = Input string
                    329:  * return: NULL error, !=NULL Allocated new string evaluated from input string, must be free()
                    330: */
                    331: char *ioVarAst(const char *csString);
                    332: 
                    333: /*
1.2       misho     334:  * io_Path2File() Parse and make path/filename pair
                    335:  * @csArgs = Input argument line
                    336:  * @psPath = Output Path, if ==NULL path not returned
                    337:  * @pathLen = Size of path array
                    338:  * @psFile = Output File
                    339:  * @fileLen = Size of file array
                    340:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
                    341: */
                    342: inline int io_Path2File(const char * __restrict csArgs, char * __restrict psPath, int pathLen, 
                    343:                char * __restrict psFile, int fileLen);
                    344: 
                    345: /*
1.4       misho     346:  * io_UnquotStr() Remove quots from input text string 
                    347:  * @psLine = Text string
                    348:  * return: 0 nothing to do; 1 successful unquoted string
                    349: */
1.5       misho     350: inline int io_UnquotStr(unsigned char * __restrict psLine);
1.4       misho     351: /*
                    352:  * io_LTrimStr() Remove left whitespaces from text string
                    353:  * @psLine = Text string
                    354:  * return: 0 nothing to do; !=0 Removed bytes
                    355: */
1.5       misho     356: inline int io_LTrimStr(unsigned char * __restrict psLine);
1.4       misho     357: /*
                    358:  * io_RTrimStr() Remove right whitespaces from text string
                    359:  * @psLine = Text string
                    360:  * return: 0 nothing to do; !=0 Removed bytes
                    361: */
1.5       misho     362: inline int io_RTrimStr(unsigned char * __restrict psLine);
1.4       misho     363: /*
                    364:  * io_TrimStr() Remove left and right whitespaces from text string
                    365:  * @psLine = Text string
                    366:  * return: 0 nothing to do; !=0 Removed bytes
                    367: */
1.5       misho     368: inline int io_TrimStr(unsigned char * __restrict psLine);
1.4       misho     369: /*
1.5       misho     370:  * io_Ch2Hex() Convert from Char string to Hex string
1.4       misho     371:  * @psLine = Text string
                    372:  * @lineLen = Length of Text string
1.5       misho     373:  * return: NULL nothing to do or error; !=0 Allocated new converted data without term\0 (must be free)
1.4       misho     374: */
1.5       misho     375: inline unsigned char *io_Ch2Hex(unsigned char *psLine, int lineLen);
1.4       misho     376: /*
1.5       misho     377:  * io_Hex2Ch() Convert from Hex string to Char string
1.4       misho     378:  * @psLine = Text string
                    379:  * @lineLen = Length of Text string
                    380:  * return: NULL nothing to do or error; !=0 Allocated new converted string(must be free)
                    381: */
1.5       misho     382: inline char *io_Hex2Ch(unsigned char *psLine, int lineLen);
1.4       misho     383: 
                    384: /*
1.8       misho     385:  * io_arrayInit() - Create and initialize dynamic array
                    386:  * @numItems = Number of Items
                    387:  * return: NULL error, != NULL allocated memory for array
                    388:  */
                    389: inline array_t *io_arrayInit(int numItems);
                    390: /*
1.10      misho     391:  * io_arrayDestroy() - Free and destroy dynamic array
1.8       misho     392:  * @parr = Array
                    393:  * return: none
                    394:  */
                    395: inline void io_arrayDestroy(array_t ** __restrict parr);
                    396: /*
1.10      misho     397:  * io_arrayFree() - Free all data in dynamic array items
1.8       misho     398:  *     (WARNING! If assign static array dont use this!!!)
                    399:  * @arr = Array
                    400:  * return: none
                    401:  */
                    402: inline void io_arrayFree(array_t * __restrict arr);
                    403: /*
1.10      misho     404:  * io_arrayFrom() - Create and fill array from array with pointers
1.11      misho     405:  * @pargv = Array with pointers
1.10      misho     406:  * @argc = Number of Items, if 0 walk through argv and stop when reach NULL item
1.11      misho     407:  * return: NULL error, != NULL allocated new array
1.10      misho     408:  */
1.11      misho     409: inline array_t *io_arrayFrom(const char *** __restrict pargv, int argc);
1.10      misho     410: /*
                    411:  * io_arrayTo() - Create and fill array with pointers from dynamic array
                    412:  * @arr = Array
1.11      misho     413:  * return: NULL error, != NULL allocated memory for array, NULL terminated
1.10      misho     414:  */
                    415: inline char **io_arrayTo(array_t * __restrict arr);
                    416: /*
1.8       misho     417:  * io_arrayLen() - Get last used element in dynamic array (array Length)
                    418:  * @arr = Array
                    419:  * return: -1 error, 0 empty or >0 position of last used element
                    420:  */
                    421: inline int io_arrayLen(array_t * __restrict arr);
                    422: /*
1.10      misho     423:  * io_arrayConcat() Concat source array to destination array
                    424:  * @dest = Destination array
                    425:  * @src = Source array
                    426:  * return: -1 error; >0 new count of destination array
                    427:  */
                    428: int io_arrayConcat(array_t * __restrict dest, array_t * __restrict src);
                    429: /*
1.11.2.7  misho     430:  * io_arrayCopy() Copy source array to destination array
                    431:  * @dest = Destination array, after use free with io_arrayDestroy()
                    432:  * @src = Source array
                    433:  * return: -1 error; >0 count of destination array
                    434:  */
                    435: int io_arrayCopy(array_t ** __restrict dest, array_t * __restrict src);
                    436: /*
1.8       misho     437:  * io_arrayGrow() - Grow/Shrink dynamic array, Use with care when it shrink!!!
                    438:  * @arr = Array
                    439:  * @newNumItems = Number of Items
1.11.2.6  misho     440:  * @freeShrink = Free elements before shrink array
1.8       misho     441:  * return: -1 error, 0 ok
                    442:  */
1.11.2.6  misho     443: int io_arrayGrow(array_t * __restrict arr, int newNumItems, int freeShrink);
1.8       misho     444: /*
                    445:  * io_arrayVacuum() - Vacuum dynamic array, empty elements will be deleted
                    446:  * @arr = Array
                    447:  * @fromWhere = 1 begin, 2 ALL empty elements
                    448:  * return: -1 error, 0 ok
                    449:  */
                    450: int io_arrayVacuum(array_t * __restrict arr, int fromWhere);
                    451: 
1.11.2.10  misho     452: #define io_arraySize(_arr)             ((_arr) ? (_arr)->arr_num : 0)
1.11.2.6  misho     453: #define io_arrayZero(_arr)             (assert((_arr)), memset((_arr)->arr_data, 0, \
                    454:                                                io_arraySize((_arr)) * sizeof(void*)))
1.8       misho     455: 
1.11      misho     456: #define io_arrayGet(_arr, _d)          (assert((_arr) && (_arr)->arr_num > _d), *((_arr)->arr_data + _d))
                    457: #define io_array(_arr, _d, _type)      (assert((_arr) && (_arr)->arr_num > _d), \
                    458:                                                ((_type) *((_arr)->arr_data + _d)))
1.8       misho     459: #define io_arraySet(_arr, _d, _ptr)    do { \
1.11      misho     460:                                                assert((_arr) && (_arr)->arr_num > _d); \
                    461:                                                *((_arr)->arr_data + _d) = (void*) (_ptr); \
1.8       misho     462:                                        } while (0)
1.11      misho     463: #define io_arrayDel(_arr, _d, _fri)    do { \
                    464:                                                assert((_arr) && (_arr)->arr_num > _d); \
                    465:                                                if (_fri) \
                    466:                                                        free(*((_arr)->arr_data + _d)); \
                    467:                                                *((_arr)->arr_data + _d) = NULL; \
1.9       misho     468:                                        } while (0)
1.8       misho     469: 
                    470: /*
                    471:  * io_arrayPush() - Push element into dynamic array like stack manner, place at first empty position
                    472:  * @arr = Array
                    473:  * @data = Element, if set NULL return only first empty position
                    474:  * return: -1 not found empty position, array is full!, >-1 return position of stored element into array
                    475:  */
                    476: inline int io_arrayPush(array_t * __restrict arr, void **data);
                    477: /*
                    478:  * io_arrayPop() - Pop element from dynamic array like stack manner, last used position
                    479:  * @arr = Array
1.11      misho     480:  * @data = Element, if set NULL return only last used position
1.8       misho     481:  * @delAfter = Delete after Pop element, !=0 delete element from array after return data
                    482:  * return: -1 not found used position, array is empty!, >-1 return element position
                    483:  */
                    484: inline int io_arrayPop(array_t * __restrict arr, void ** __restrict data, int delAfter);
                    485: 
                    486: /*
                    487:  * io_argsNum() Parse and calculate number of arguments
                    488:  * @csArgs = Input arguments line
                    489:  * @csDelim = Delimiter(s) for separate
                    490:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of items
                    491:  */
                    492: inline int io_argsNum(const char *csArgs, const char *csDelim);
                    493: 
                    494: /*
                    495:  * io_arrayMake() Parse and make array from arguments ... (input string will be modified!!! 
                    496:  *     and output array must be free with io_arrayDestroy() after use!)
                    497:  * @psArgs = Input arguments line, after execute string is modified!!!
                    498:  * @nargs = Maximum requested count of arguments from input string psArgs, if 0 all psArgs
                    499:  * @csDelim = Delimiter(s) for separate
                    500:  * @parr = Output array of arguments ... (must be free with io_arrayDestroy() after use!)
                    501:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
                    502:  */
                    503: int io_arrayMake(char * __restrict psArgs, int nargs, const char *csDelim, 
                    504:                array_t ** __restrict parr);
                    505: 
                    506: /*
                    507:  * io_MakeAV() Parse and make attribute/value pair
                    508:  * @csArgs = Input argument line
                    509:  * @csDelim = Delimiter for separate
                    510:  * @psAttr = Output Attribute
                    511:  * @attrLen = Size of attribute array
                    512:  * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
                    513:  * @valLen = Size of value array
                    514:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
                    515: */
                    516: int io_MakeAV(const char * __restrict csArgs, const char *csDelim, 
                    517:                char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen);
                    518: 
1.9       misho     519: /*
                    520:  * io_sarrInit() - Create and initialize dynamic split-order array
                    521:  * @numItems = Number of Items
                    522:  * @segLen = Length of segment
                    523:  * return: NULL error, != NULL allocated memory for array
                    524:  */
                    525: inline sarr_t *io_sarrInit(int numItems, int segLen);
                    526: /*
                    527:  * io_sarrDestroy() - Free all data in dynamic split-order array and Destroy array
                    528:  * @parr = Array
                    529:  * return: none
                    530:  */
                    531: inline void io_sarrDestroy(sarr_t ** __restrict parr);
                    532: /*
                    533:  * io_sarrGrow() - Grow/Shrink dynamic split-order array, Use with care when it shrink!!!
                    534:  * @arr = Array
                    535:  * @newNumItems = Number of Items
                    536:  * return: -1 error, 0 ok
                    537:  */
                    538: int io_sarrGrow(sarr_t * __restrict arr, int newNumItems);
                    539: /*
                    540:  * io_sarrVacuum() - Vacuum dynamic split-order array, empty segments will be freed
                    541:  * @arr = Array
                    542:  * return: -1 error, >-1 freed segments
                    543:  */
                    544: inline int io_sarrVacuum(sarr_t * __restrict arr);
1.11.2.10  misho     545: #define io_sarrSize(_arr)              ((_arr) ? (_arr)->sarr_num : 0)
1.11.2.8  misho     546: #define io_sarrSeg(_arr)               (assert((_arr)), (_arr)->sarr_seg)
                    547: /*
                    548:  * io_sarrCopy() Copy source split array to destination split array
                    549:  * @dest = Destination split array, after use free with io_sarrDestroy()
                    550:  * @src = Source split array
                    551:  * return: -1 error; >0 count of destination split array
                    552:  */
                    553: int io_sarrCopy(sarr_t ** __restrict dest, sarr_t * __restrict src);
1.9       misho     554: /*
                    555:  * io_sarrGet() - Get element from dynamic split-order array
                    556:  * @arr = Array
                    557:  * @idx = Index (warning 1st element is at position 1)
                    558:  * return: NULL not found, !=NULL element
                    559:  */
                    560: inline void *io_sarrGet(sarr_t * __restrict arr, unsigned int idx);
                    561: /*
                    562:  * io_sarrGet2() - Always get element from dynamic split-order array
                    563:  *     Function automatic grow array. Good use for Hash tables! 
                    564:  * @arr = Array
                    565:  * @idx = Index (warning 1st element is at position 1)
                    566:  * return: NULL not found, !=NULL element
                    567:  */
                    568: void *io_sarrGet2(sarr_t * __restrict arr, unsigned int idx);
                    569: /*
                    570:  * io_sarrSet() - Set element to dynamic split-order array
                    571:  * @arr = Array
                    572:  * @idx = Index (warning 1st element is at position 1)
                    573:  * @data = Value
                    574:  * return: NULL error or empty, !=NULL old value in element
                    575:  */
                    576: inline void *io_sarrSet(sarr_t * __restrict arr, unsigned int idx, void *data);
1.11      misho     577: #define io_sarrDel(_arr, _idx)         io_sarrSet((_arr), _idx, NULL)
                    578: #define io_sarr(_arr, _idx, _type)     (_type)io_sarrGet((_arr), _idx)
                    579: /*
                    580:  * io_sarr2array() - Convert from split-order array to dynamic array
                    581:  * @sa = split array
                    582:  * @sarrFree = after convert split array !=0 will be destroyed sarray
                    583:  * return: NULL error or != NULL new array
                    584:  */
                    585: array_t *io_sarr2array(sarr_t ** __restrict sa, int sarrFree);
                    586: /*
                    587:  * io_array2sarr() - Convert from dynamic array to split-order array
                    588:  * @a = array
                    589:  * @segLen = Length of segment
                    590:  * @arrFree = after convert array !=0 will be destroyed
                    591:  * return: NULL error or != NULL new sarr
                    592:  */
                    593: sarr_t *io_array2sarr(array_t ** __restrict a, int segLen, int arrFree);
1.8       misho     594: 
                    595: /*
1.10      misho     596:  * io_CopyEnv() Copy environment to new environment array;
                    597:  * @oldenv = Environment array
                    598:  * return: NULL error; !=NULL Allocated new environment array(must be free)
                    599: */
                    600: char **io_CopyEnv(const char **oldenv);
                    601: /*
                    602:  * io_ExecArgs() Build exec arguments from other array
                    603:  * @psProg = Program name for execute
                    604:  * @oldarg = Arguments array
                    605:  * return: NULL error; !=NULL Allocated execution array(must be free)
                    606: */
                    607: char **io_ExecArgs(const char *psProg, const char **oldarg);
                    608: /*
                    609:  * io_FreeNullTerm() Free dynamic allocated null terminated array with strings
                    610:  * @arr = Pointer to array for free
                    611:  * return: none
                    612: */
                    613: inline void io_FreeNullTerm(char *** __restrict arr);
                    614: 
                    615: /*
1.2       misho     616:  * ioURLGet() Parse and get data from input URL
                    617:  * @csURL = Input URL line
                    618:  * @url = Output parsed URL
                    619:  * return: 0 error format not find tech:// and return URL like path; 
                    620:                -1 error:: can`t read; >0 ok, up bits for known elements
                    621: */
                    622: int ioURLGet(const char *csURL, struct tagIOURL *url);
                    623: /*
                    624:  * ioURLGetValue() Get value from parsed URL
                    625:  * @url = Input parsed URL
                    626:  * @csAttr = Attribute for search
                    627:  * @psValue = Return value of attribute, if ==NULL only check for existence of attribute
                    628:  * @valLen = Size of psValue array
                    629:  * return: 0 error attribute not find; -1 error:: can`t read; >0 ok, find at position
                    630: */
                    631: int ioURLGetValue(struct tagIOURL *url, const char *csAttr, char * __restrict psValue, int valLen);
                    632: /*
                    633:  * ioURLGetFile() Get file from parsed URL
                    634:  * @url = Input parsed URL
                    635:  * @psValue = Return filename, if not specified file in url path, replace with /
                    636:  * @valLen = Size of psValue array
                    637:  * return: -1 error:: can`t read; 0 ok
                    638: */
                    639: int ioURLGetFile(struct tagIOURL *url, char * __restrict psValue, int valLen);
                    640: 
1.3       misho     641: 
                    642: /*
1.6       misho     643:  * ioXMLGet() Parse and get data from input XML request string [ns:]container[|attribute[=value]][?data]
                    644:  * @csXML = Input XML request line
                    645:  * @xml = Output parsed XML request
                    646:  * return: 0 error format incorrect, -1 error:: can`t read; >0 ok readed elements bits
                    647: */
                    648: int ioXMLGet(const char *csXML, struct tagReqXML *xml);
                    649: 
                    650: 
                    651: /*
1.5       misho     652:  * ioMkDir() Function for racursive directory creation and validation
                    653:  * @csDir = Full directory path
                    654:  * @mode = Mode for directory creation if missing dir
                    655:  * return: -1 error, 0 directory path exist, >0 created missing dirs
                    656: */
                    657: int ioMkDir(const char *csDir, int mode);
                    658: 
1.6       misho     659: /*
                    660:  * ioWatchDirLoop() Function for watching changes in directory and fire callback
                    661:  * @csDir = Full directory path
                    662:  * @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create
                    663:  * return: -1 error, !=-1 ok, number of total signaled events
                    664: */
                    665: int ioWatchDirLoop(const char *csDir, int (*callback)(const char *csName, int nOp));
                    666: 
1.5       misho     667: 
                    668: /*
                    669:  * io_rread() Raw VFS read function
                    670:  * @fd = File handle
                    671:  * @buf = Read buffer
                    672:  * @nbytes = Read buffer size
                    673:  * @offset = Read from position, if -1 read nbytes from current position
                    674:  * @update = Update file handle position !0
                    675:  * return: -1 error or !=-1 readed bytes
                    676:  */
                    677: inline int io_rread(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update);
                    678: /*
                    679:  * io_rwrite() Raw VFS write function
                    680:  * @fd = File handle
                    681:  * @buf = Write buffer
                    682:  * @nbytes = Write bytes from buffer
                    683:  * @offset = Write at position, if -1 write nbytes from current position
                    684:  * @update = Update file handle position !0
                    685:  * return: -1 error or !=-1 writed bytes
                    686:  */
                    687: inline int io_rwrite(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update);
                    688: 
                    689: /* Disk I/O helper macros */
                    690: #define io_read(f, b, n) io_rread(f, b, n, -1, 1)
                    691: #define io_write(f, b, n) io_rwrite(f, b, n, -1, 1)
                    692: 
                    693: 
                    694: /* Debug helper macros */
                    695: extern int io_Debug;
                    696: 
                    697: #define io_initDebug(x)                io_Debug = (x);
                    698: #define io_addDebug            io_Debug++
                    699: #define ioDEBUG(x, fmt, ...)   do { \
                    700:                                        assert((fmt)); \
                    701:                                        char str[STRSIZ] = { 0 }; \
1.11      misho     702:                                        snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1.5       misho     703:                                        if ((x) <= io_Debug) \
                    704:                                                syslog(LOG_DEBUG, "ioDebug(%d):%s(%d): %s\n", \
                    705:                                                                (x), __func__, __LINE__, str); \
                    706:                                } while (0)
                    707: 
                    708: #define ioERROR(x, fmt, ...)   do { \
                    709:                                        assert((fmt)); \
                    710:                                        char str[STRSIZ] = { 0 }; \
1.11      misho     711:                                        snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1.5       misho     712:                                        syslog(LOG_ERR, "ioError():%s(%d): #%d - %s\n", \
                    713:                                                         __func__, __LINE__, (x), str); \
                    714:                                } while (0)
                    715: #define io_sysERROR(x)         do { \
                    716:                                        if (x > 0 || errno) \
                    717:                                                syslog(LOG_ERR, "ioError(sys):%s(%d): #%d - %s\n", \
                    718:                                                                __func__, __LINE__, x > 0 ? x : errno, \
                    719:                                                                strerror(x > 0 ? x : errno)); \
                    720:                                } while (0)
                    721: #define io_aitERROR(ait)       do { \
                    722:                                        if (ait##_GetErrno()) \
                    723:                                                syslog(LOG_ERR, "ioError(ait):%s(%d): #%d - %s\n", \
                    724:                                                                __func__, __LINE__, ait##_GetErrno(), \
                    725:                                                                ait##_GetError()); \
                    726:                                } while (0)
1.3       misho     727: 
1.1       misho     728: 
1.7       misho     729: /* Crypto framework */
                    730: 
                    731: /*
                    732:  * ioCipher() Cipher wrapper for all supported crypto algorythms
                    733:  * @pInput = input buffer
                    734:  * @inLen = input buffer len
                    735:  * @ppOutput = output allocated buffe, must be free after use
                    736:  * @Cipher = cipher engine, like EVP_bf_cbc() or etc...
                    737:  * @pKey = key
                    738:  * @pIV = IV, salt (8 bytes)
                    739:  * @nMode = Mode 0 - decrypting or 1 - encrypting
                    740:  * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
                    741: */
                    742: int ioCipher(unsigned char *pInput, int inLen, unsigned char **ppOutput, const EVP_CIPHER *Cipher, 
                    743:                unsigned char *pKey, unsigned char *pIV, int nMode);
                    744: 
                    745: /*
                    746:  * io_Blowfish() Blowfish cipher algorythm, work with ASCII hex strings
                    747:  * @pInput = input buffer
                    748:  * @inLen = input buffer len
                    749:  * @ppOutput = output allocated buffe, must be free after use
                    750:  * @pKey = key
                    751:  * @pIV = IV, salt (8 bytes)
                    752:  * @nMode = Mode 0 - decrypting or 1 - encrypting
                    753:  * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
                    754: */
1.8       misho     755: int io_Blowfish(unsigned char *pInput, int inLen, unsigned char **ppOutput, 
                    756:                unsigned char *pKey, unsigned char *pIV, int nMode);
1.11.2.23! misho     757: /*
        !           758:  * io_ctr_AES() Encrypt/Decrypt stream cipher CTR_AES
        !           759:  * @pInput = Input buffer with ASCII
        !           760:  * @inLen = Input buffer data length
        !           761:  * @ppOutput = Output buffer with cipher data, must be free after use
        !           762:  * @pKey = Key
        !           763:  * return: -1 error or >-1 how many cipher blocks proceeded
        !           764:  */
        !           765: int io_ctr_AES(u_char *pInput, int inLen, u_char **ppOutput, u_char *pKey);
1.7       misho     766: 
                    767: 
1.11.2.14  misho     768: /*
1.11.2.16  misho     769:  * ioAllocPTY() Allocate new PTY and TTY
1.11.2.14  misho     770:  * @ptyfd = master fd, pty
                    771:  * @ttyfd = slave fd, tty
                    772:  * @name = tty device name if not null
                    773:  * @namesiz = name length, must be above 63 bytes.
                    774:  * @term = termios for terminal
                    775:  * @winz = winsize for terminal
                    776:  * return: -1 error or 0 ok
                    777:  */
                    778: inline int ioAllocPTY(int *ptyfd, int *ttyfd, char * __restrict name, int namesiz, 
                    779:                struct termios * __restrict term, struct winsize * __restrict winz);
                    780: /*
1.11.2.20  misho     781:  * ioFreePTY() Release PTY and TTY device
                    782:  * @ptyfd = master fd, pty (==-1 skip closing pty)
1.11.2.14  misho     783:  * @ttyname = tty filename
                    784:  * return: none
                    785:  */
1.11.2.20  misho     786: inline void ioFreePTY(int ptyfd, const char *ttyname);
1.11.2.15  misho     787: /*
                    788:  * ioChgWinPTY() Change window size of PTY
                    789:  * @ptyfd = master fd, pty
                    790:  * @row = row
                    791:  * @col = col
                    792:  * @xpxl = x pixels
                    793:  * @ypxl = y pixels
                    794:  * return: -1 error or 0 ok
                    795:  */
                    796: inline int ioChgWinPTY(int ptyfd, u_short row, u_short col, u_short xpxl, u_short ypxl);
                    797: /*
1.11.2.16  misho     798:  * ioSetOwnerTTY() Set owner to TTY
1.11.2.15  misho     799:  * @ttyname = tty filename
                    800:  * @UID = uid
                    801:  * @GID = gid
                    802:  * return: -1 error or 0 ok
                    803:  */
1.11.2.16  misho     804: int ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GID);
                    805: /*
                    806:  * ioSetSidTTY() Makes the process's controlling TTY and sets it to sane modes.
                    807:  * @ttyfd = slave fd, tty
                    808:  * @ttyname = tty filename
                    809:  * return: -1 error or 0 ok
                    810:  */
                    811: int ioSetSidTTY(int *ttyfd, const char *ttyname);
1.11.2.17  misho     812: /*
                    813:  * ioSetRAWMode() Enter into RAW mode
                    814:  * @fd = tty fd
                    815:  * @otio = saved old termios for later restore if !=NULL
                    816:  * return: -1 error or 0 ok
                    817:  */
                    818: inline int ioSetRAWMode(int fd, struct termios *otio);
                    819: /*
                    820:  * ioRestoreMode() Restore termios to tty fd
                    821:  * @fd = tty fd
                    822:  * @tio = termios structure for restore
                    823:  * return: -1 error or 0 ok
                    824:  */
                    825: inline int ioRestoreMode(int fd, struct termios tio);
1.11.2.18  misho     826: /*
                    827:  * ioForkPTY() Fork new process with session leader and new TTY
                    828:  * @ptyfd = master fd, pty
                    829:  * @name = tty device name if not null
                    830:  * @namesiz = name length, must be above 63 bytes.
                    831:  * @term = termios for terminal
                    832:  * @winz = winsize for terminal
                    833:  * @otio = old termios structure for restore
                    834:  * return: -1 error, 0 child process or >0 parent: pid of child
                    835:  */
                    836: pid_t ioForkPTY(int *ptyfd, char * __restrict name, int namesiz, struct termios * __restrict term, 
                    837:                struct winsize * __restrict winz, struct termios * __restrict otio);
1.11.2.14  misho     838: 
1.11.2.22  misho     839: /*
                    840:  * ioCreatePIDFile() Create PID file
                    841:  * @csName = PID filename
                    842:  * @ifExists = !=0 if filename exists return error
                    843:  * return: -1 error or 0 ok
                    844:  */
                    845: inline int ioCreatePIDFile(const char *csName, int ifExists);
                    846: 
1.11.2.14  misho     847: 
1.1       misho     848: #endif

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