Annotation of libaitio/inc/aitio.h, revision 1.12

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 $
1.12    ! misho       6: * $Id: aitio.h,v 1.11.2.27 2011/10/14 07:39:47 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: 
1.12    ! misho      50: #define COMPAT_43TTY
        !            51: 
1.8       misho      52: #include <assert.h>
1.7       misho      53: #include <openssl/evp.h>
1.12    ! misho      54: #include <openssl/aes.h>
        !            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: 
1.12    ! 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: 
1.12    ! 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: 
1.12    ! misho     111: /* AIT RPC variables and managment */
        !           112: 
        !           113: typedef enum {
        !           114:        empty,                          /* empty -> variable is not set */
        !           115:        buffer, string, blob,           /* buffer -> uint8_t*; string -> int8_t*; blob -> void*(+socket); */
        !           116:        f32, f64,                       /* float -> f32; double -> f64 */
        !           117:        u8, u16, u32, u64,              /* unsigned integers ... */
        !           118:        i8, i16, i32, i64,              /* integers ... */
        !           119: } ait_type_t;
        !           120: 
        !           121: typedef struct {
        !           122:        uint8_t         val_type;
        !           123:        uint32_t        val_len;
        !           124:        union {
        !           125:                uint64_t        net;
        !           126: 
        !           127:                uint8_t         *buffer;
        !           128:                int8_t          *string;
        !           129:                uint32_t        blob;
        !           130:                float           f32;
        !           131:                double          f64;
        !           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: 
        !           143: #define AIT_TYPE(_vl)                  ((ait_type_t) (_vl)->val_type)
        !           144: #define AIT_LEN(_vl)                   (_vl)->val_len
        !           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)
        !           147: 
        !           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)
        !           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)
        !           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) { \
        !           165:                                                        __val->val_type = buffer; AIT_LEN(__val) = _len; \
        !           166:                                                        memcpy(__val->val.buffer, (_v), _len); \
        !           167:                                                } } while (0)
        !           168: #define AIT_SET_STR(_vl, _v)           do { ait_val_t *__val = (_vl); assert(__val); assert((_v)); \
        !           169:                                                __val->val.string = (int8_t*) strdup((_v)); \
        !           170:                                                if (__val->val.string) { \
        !           171:                                                        __val->val_type = string; \
        !           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); \
        !           175:                                                __val->val_type = blob; AIT_LEN(__val) = _len; \
        !           176:                                                __val->val.blob = _n; } while (0)
        !           177: #define AIT_SET_BLOB2(_vl, _bv)                do { ait_val_t *__val = (_vl); assert(__val); assert((_bv)); \
        !           178:                                                __val->val_type = blob; AIT_LEN(__val) = (_bv)->blob_len; \
        !           179:                                                __val->val.blob = (_bv)->blob_var; } while (0)
        !           180: #define AIT_NEW_BLOB(_vl, _len)                AIT_SET_BLOB((_vl), 0, _len)
        !           181: 
        !           182: #define AIT_SET_U8(_vl, _n)            do { ait_val_t *__val = (_vl); assert(__val); \
        !           183:                                                __val->val_type = u8; __val->val.u8 = _n; \
        !           184:                                                AIT_LEN(__val) = sizeof(uint8_t); } while (0)
        !           185: #define AIT_SET_U16(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
        !           186:                                                __val->val_type = u16; __val->val.u16 = _n; \
        !           187:                                                AIT_LEN(__val) = sizeof(uint16_t); } while (0)
        !           188: #define AIT_SET_U32(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
        !           189:                                                __val->val_type = u32; __val->val.u32 = _n; \
        !           190:                                                AIT_LEN(__val) = sizeof(uint32_t); } while (0)
        !           191: #define AIT_SET_U64(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
        !           192:                                                __val->val_type = u64; __val->val.u64 = _n; \
        !           193:                                                AIT_LEN(__val) = sizeof(uint64_t); } while (0)
        !           194: #define AIT_SET_I8(_vl, _n)            do { ait_val_t *__val = (_vl); assert(__val); \
        !           195:                                                __val->val_type = i8; __val->val.i8 = _n; \
        !           196:                                                AIT_LEN(__val) = sizeof(int8_t); } while (0)
        !           197: #define AIT_SET_I16(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
        !           198:                                                __val->val_type = i16; __val->val.i16 = _n; \
        !           199:                                                AIT_LEN(__val) = sizeof(int16_t); } while (0)
        !           200: #define AIT_SET_I32(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
        !           201:                                                __val->val_type = i32; __val->val.i32 = _n; \
        !           202:                                                AIT_LEN(__val) = sizeof(int32_t); } while (0)
        !           203: #define AIT_SET_I64(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
        !           204:                                                __val->val_type = i64; __val->val.i64 = _n; \
        !           205:                                                AIT_LEN(__val) = sizeof(int64_t); } while (0)
        !           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)
        !           212: 
        !           213:                                        /* if attribute zeroCopy is set not execute free() */
        !           214: #define AIT_FREE_VAL(_vl)              do { ait_val_t *__val = (_vl); assert(__val); \
        !           215:                                                switch (__val->val_type) { \
        !           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; \
        !           228:                                                        default: \
        !           229:                                                                break; \
        !           230:                                                } \
        !           231:                                                __val->val_type = empty; \
        !           232:                                                AIT_LEN(__val) = 0; \
        !           233:                                        } while (0)
        !           234: 
        !           235: struct io_ether_addr {
        !           236:        u_int8_t ether_addr_octet[6];
        !           237: };
        !           238: 
1.3       misho     239: 
1.1       misho     240: // io_GetErrno() Get error code of last operation
                    241: inline int io_GetErrno();
                    242: // io_GetError() Get error text of last operation
                    243: inline const char *io_GetError();
                    244: 
                    245: 
                    246: /*
1.12    ! misho     247:  * io_ether_ntoa() Convert ethernet address to string
        !           248:  * @n = ethernet address structure, like struct ether_addr
        !           249:  * @a = string
        !           250:  * @len = string length
        !           251:  * return: NULL error or !=NULL string a
        !           252:  */
        !           253: inline char *io_ether_ntoa(const struct io_ether_addr *n, char * __restrict a, int len);
        !           254: /*
        !           255:  * io_ether_aton() Convert string to ethernet address
        !           256:  * @a = string
        !           257:  * @e = ethernet address structure, like struct ether_addr
        !           258:  * return: NULL error or !=NULL ethernet address structure
        !           259:  */
        !           260: inline struct io_ether_addr *io_ether_aton(const char *a, struct io_ether_addr *e);
        !           261: 
        !           262: /*
        !           263:  * io_vals2buffer() Marshaling data from array with variables to buffer
        !           264:  * @buf = Buffer
        !           265:  * @buflen = Size of buffer
        !           266:  * @vars = Variable array
        !           267:  * return: -1 error, 0 nothing done or >0 size of marshaled data
        !           268:  */
        !           269: int io_vals2buffer(unsigned char *buf, int buflen, array_t *vars);
        !           270: /*
        !           271:  * io_buffer2vals() De-marshaling data from buffer to array with variables
        !           272:  * @buf = Buffer
        !           273:  * @buflen = Size of buffer
        !           274:  * @vnum = Number of variables into buffer
        !           275:  * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and 
        !           276:                *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
        !           277:  * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
        !           278:  */
        !           279: array_t *io_buffer2vals(unsigned char *buf, int buflen, int vnum, int zcpy);
        !           280: /*
        !           281:  * io_vals2map() Marshaling data from array with variables to memory map
        !           282:  * @buf = Buffer
        !           283:  * @buflen = Size of buffer
        !           284:  * @vars = Variable array
        !           285:  * return: -1 error, 0 nothing done or >0 size of marshaled data
        !           286:  */
        !           287: int io_vals2map(u_char *buf, int buflen, array_t *vars);
        !           288: /*
        !           289:  * io_map2vals() De-marshaling data from memory map to array with variables
        !           290:  * @buf = Buffer
        !           291:  * @buflen = Size of buffer
        !           292:  * @vnum = Number of variables into buffer
        !           293:  * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and 
        !           294:                *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
        !           295:  * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
        !           296:  */
        !           297: array_t *io_map2vals(u_char *buf, int buflen, int vnum, int zcpy);
        !           298: 
        !           299: /*
1.1       misho     300:  * ioPromptRead() Read data from input h[0] with prompt to output h[1]
                    301:  * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
                    302:  * @csPrompt = Prompt before input, may be NULL
                    303:  * @psData = Readed data
                    304:  * @dataLen = Length of data
                    305:  * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
                    306: */
                    307: int ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen);
                    308: /*
                    309:  * ioPromptPassword() Read password from input h[0] with prompt to output h[1]
                    310:  * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
                    311:  * @csPrompt = Prompt before input, may be NULL
                    312:  * @psPass = Readed password
                    313:  * @passLen = Length of password
                    314:  * @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation
                    315:  * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
                    316: */
                    317: int ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm);
                    318: 
                    319: /*
                    320:  * ioRegexVerify() Function for verify data match in regex expression
                    321:  * @csRegex = Regulare expression pattern
                    322:  * @csData = Data for check and verify
                    323:  * @startPos = Return start positions
                    324:  * @endPos = Return end positions
                    325:  * return: NULL not match or error; !=NULL begin of matched data
                    326: */
                    327: const char *ioRegexVerify(const char *csRegex, const char *csData, int *startPos, int *endPos);
                    328: /*
                    329:  * ioRegexGet() Function for get data match in regex expression
                    330:  * @csRegex = Regulare expression pattern
                    331:  * @csData = Data from get
                    332:  * @psString = Returned string if match
                    333:  * @strLen = Length of string
                    334:  * return: 0 not match; >0 count of returned chars
                    335: */
                    336: int ioRegexGet(const char *csRegex, const char *csData, char * __restrict psString, int strLen);
                    337: /*
                    338:  * ioRegexReplace() Function for replace data match in regex expression with newdata
                    339:  * @csRegex = Regulare expression pattern
                    340:  * @csData = Source data
                    341:  * @csNew = Data for replace
                    342:  * return: NULL not match or error; !=NULL allocated new string, must be free after use!
                    343: */
                    344: char *ioRegexReplace(const char *csRegex, const char *csData, const char *csNew);
                    345: 
1.2       misho     346: /*
1.6       misho     347:  * ioVarAst() Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}"
                    348:  * @csString = Input string
                    349:  * return: NULL error, !=NULL Allocated new string evaluated from input string, must be free()
                    350: */
                    351: char *ioVarAst(const char *csString);
                    352: 
                    353: /*
1.2       misho     354:  * io_Path2File() Parse and make path/filename pair
                    355:  * @csArgs = Input argument line
                    356:  * @psPath = Output Path, if ==NULL path not returned
                    357:  * @pathLen = Size of path array
                    358:  * @psFile = Output File
                    359:  * @fileLen = Size of file array
                    360:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
                    361: */
                    362: inline int io_Path2File(const char * __restrict csArgs, char * __restrict psPath, int pathLen, 
                    363:                char * __restrict psFile, int fileLen);
                    364: 
                    365: /*
1.4       misho     366:  * io_UnquotStr() Remove quots from input text string 
                    367:  * @psLine = Text string
                    368:  * return: 0 nothing to do; 1 successful unquoted string
                    369: */
1.5       misho     370: inline int io_UnquotStr(unsigned char * __restrict psLine);
1.4       misho     371: /*
                    372:  * io_LTrimStr() Remove left whitespaces from text string
                    373:  * @psLine = Text string
                    374:  * return: 0 nothing to do; !=0 Removed bytes
                    375: */
1.5       misho     376: inline int io_LTrimStr(unsigned char * __restrict psLine);
1.4       misho     377: /*
                    378:  * io_RTrimStr() Remove right whitespaces from text string
                    379:  * @psLine = Text string
                    380:  * return: 0 nothing to do; !=0 Removed bytes
                    381: */
1.5       misho     382: inline int io_RTrimStr(unsigned char * __restrict psLine);
1.4       misho     383: /*
                    384:  * io_TrimStr() Remove left and right whitespaces from text string
                    385:  * @psLine = Text string
                    386:  * return: 0 nothing to do; !=0 Removed bytes
                    387: */
1.5       misho     388: inline int io_TrimStr(unsigned char * __restrict psLine);
1.4       misho     389: /*
1.5       misho     390:  * io_Ch2Hex() Convert from Char string to Hex string
1.4       misho     391:  * @psLine = Text string
                    392:  * @lineLen = Length of Text string
1.5       misho     393:  * return: NULL nothing to do or error; !=0 Allocated new converted data without term\0 (must be free)
1.4       misho     394: */
1.5       misho     395: inline unsigned char *io_Ch2Hex(unsigned char *psLine, int lineLen);
1.4       misho     396: /*
1.5       misho     397:  * io_Hex2Ch() Convert from Hex string to Char string
1.4       misho     398:  * @psLine = Text string
                    399:  * @lineLen = Length of Text string
                    400:  * return: NULL nothing to do or error; !=0 Allocated new converted string(must be free)
                    401: */
1.5       misho     402: inline char *io_Hex2Ch(unsigned char *psLine, int lineLen);
1.4       misho     403: 
                    404: /*
1.8       misho     405:  * io_arrayInit() - Create and initialize dynamic array
                    406:  * @numItems = Number of Items
                    407:  * return: NULL error, != NULL allocated memory for array
                    408:  */
                    409: inline array_t *io_arrayInit(int numItems);
                    410: /*
1.10      misho     411:  * io_arrayDestroy() - Free and destroy dynamic array
1.8       misho     412:  * @parr = Array
                    413:  * return: none
                    414:  */
                    415: inline void io_arrayDestroy(array_t ** __restrict parr);
                    416: /*
1.10      misho     417:  * io_arrayFree() - Free all data in dynamic array items
1.8       misho     418:  *     (WARNING! If assign static array dont use this!!!)
                    419:  * @arr = Array
                    420:  * return: none
                    421:  */
                    422: inline void io_arrayFree(array_t * __restrict arr);
                    423: /*
1.10      misho     424:  * io_arrayFrom() - Create and fill array from array with pointers
1.11      misho     425:  * @pargv = Array with pointers
1.10      misho     426:  * @argc = Number of Items, if 0 walk through argv and stop when reach NULL item
1.11      misho     427:  * return: NULL error, != NULL allocated new array
1.10      misho     428:  */
1.11      misho     429: inline array_t *io_arrayFrom(const char *** __restrict pargv, int argc);
1.10      misho     430: /*
                    431:  * io_arrayTo() - Create and fill array with pointers from dynamic array
                    432:  * @arr = Array
1.11      misho     433:  * return: NULL error, != NULL allocated memory for array, NULL terminated
1.10      misho     434:  */
                    435: inline char **io_arrayTo(array_t * __restrict arr);
                    436: /*
1.8       misho     437:  * io_arrayLen() - Get last used element in dynamic array (array Length)
                    438:  * @arr = Array
                    439:  * return: -1 error, 0 empty or >0 position of last used element
                    440:  */
                    441: inline int io_arrayLen(array_t * __restrict arr);
                    442: /*
1.10      misho     443:  * io_arrayConcat() Concat source array to destination array
                    444:  * @dest = Destination array
                    445:  * @src = Source array
                    446:  * return: -1 error; >0 new count of destination array
                    447:  */
                    448: int io_arrayConcat(array_t * __restrict dest, array_t * __restrict src);
                    449: /*
1.12    ! misho     450:  * io_arrayCopy() Copy source array to destination array
        !           451:  * @dest = Destination array, after use free with io_arrayDestroy()
        !           452:  * @src = Source array
        !           453:  * return: -1 error; >0 count of destination array
        !           454:  */
        !           455: int io_arrayCopy(array_t ** __restrict dest, array_t * __restrict src);
        !           456: /*
1.8       misho     457:  * io_arrayGrow() - Grow/Shrink dynamic array, Use with care when it shrink!!!
                    458:  * @arr = Array
                    459:  * @newNumItems = Number of Items
1.12    ! misho     460:  * @freeShrink = Free elements before shrink array
1.8       misho     461:  * return: -1 error, 0 ok
                    462:  */
1.12    ! misho     463: int io_arrayGrow(array_t * __restrict arr, int newNumItems, int freeShrink);
1.8       misho     464: /*
                    465:  * io_arrayVacuum() - Vacuum dynamic array, empty elements will be deleted
                    466:  * @arr = Array
                    467:  * @fromWhere = 1 begin, 2 ALL empty elements
                    468:  * return: -1 error, 0 ok
                    469:  */
                    470: int io_arrayVacuum(array_t * __restrict arr, int fromWhere);
                    471: 
1.12    ! misho     472: #define io_arraySize(_arr)             ((_arr) ? (_arr)->arr_num : 0)
        !           473: #define io_arrayZero(_arr)             (assert((_arr)), memset((_arr)->arr_data, 0, \
        !           474:                                                io_arraySize((_arr)) * sizeof(void*)))
1.8       misho     475: 
1.11      misho     476: #define io_arrayGet(_arr, _d)          (assert((_arr) && (_arr)->arr_num > _d), *((_arr)->arr_data + _d))
                    477: #define io_array(_arr, _d, _type)      (assert((_arr) && (_arr)->arr_num > _d), \
                    478:                                                ((_type) *((_arr)->arr_data + _d)))
1.8       misho     479: #define io_arraySet(_arr, _d, _ptr)    do { \
1.11      misho     480:                                                assert((_arr) && (_arr)->arr_num > _d); \
                    481:                                                *((_arr)->arr_data + _d) = (void*) (_ptr); \
1.8       misho     482:                                        } while (0)
1.11      misho     483: #define io_arrayDel(_arr, _d, _fri)    do { \
                    484:                                                assert((_arr) && (_arr)->arr_num > _d); \
                    485:                                                if (_fri) \
                    486:                                                        free(*((_arr)->arr_data + _d)); \
                    487:                                                *((_arr)->arr_data + _d) = NULL; \
1.9       misho     488:                                        } while (0)
1.8       misho     489: 
                    490: /*
                    491:  * io_arrayPush() - Push element into dynamic array like stack manner, place at first empty position
                    492:  * @arr = Array
                    493:  * @data = Element, if set NULL return only first empty position
                    494:  * return: -1 not found empty position, array is full!, >-1 return position of stored element into array
                    495:  */
                    496: inline int io_arrayPush(array_t * __restrict arr, void **data);
                    497: /*
                    498:  * io_arrayPop() - Pop element from dynamic array like stack manner, last used position
                    499:  * @arr = Array
1.11      misho     500:  * @data = Element, if set NULL return only last used position
1.8       misho     501:  * @delAfter = Delete after Pop element, !=0 delete element from array after return data
                    502:  * return: -1 not found used position, array is empty!, >-1 return element position
                    503:  */
                    504: inline int io_arrayPop(array_t * __restrict arr, void ** __restrict data, int delAfter);
                    505: 
                    506: /*
                    507:  * io_argsNum() Parse and calculate number of arguments
                    508:  * @csArgs = Input arguments line
                    509:  * @csDelim = Delimiter(s) for separate
                    510:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of items
                    511:  */
                    512: inline int io_argsNum(const char *csArgs, const char *csDelim);
                    513: 
                    514: /*
                    515:  * io_arrayMake() Parse and make array from arguments ... (input string will be modified!!! 
                    516:  *     and output array must be free with io_arrayDestroy() after use!)
                    517:  * @psArgs = Input arguments line, after execute string is modified!!!
                    518:  * @nargs = Maximum requested count of arguments from input string psArgs, if 0 all psArgs
                    519:  * @csDelim = Delimiter(s) for separate
                    520:  * @parr = Output array of arguments ... (must be free with io_arrayDestroy() after use!)
                    521:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
                    522:  */
                    523: int io_arrayMake(char * __restrict psArgs, int nargs, const char *csDelim, 
                    524:                array_t ** __restrict parr);
                    525: 
                    526: /*
                    527:  * io_MakeAV() Parse and make attribute/value pair
                    528:  * @csArgs = Input argument line
                    529:  * @csDelim = Delimiter for separate
                    530:  * @psAttr = Output Attribute
                    531:  * @attrLen = Size of attribute array
                    532:  * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
                    533:  * @valLen = Size of value array
                    534:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
                    535: */
                    536: int io_MakeAV(const char * __restrict csArgs, const char *csDelim, 
                    537:                char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen);
                    538: 
1.9       misho     539: /*
                    540:  * io_sarrInit() - Create and initialize dynamic split-order array
                    541:  * @numItems = Number of Items
                    542:  * @segLen = Length of segment
                    543:  * return: NULL error, != NULL allocated memory for array
                    544:  */
                    545: inline sarr_t *io_sarrInit(int numItems, int segLen);
                    546: /*
                    547:  * io_sarrDestroy() - Free all data in dynamic split-order array and Destroy array
                    548:  * @parr = Array
                    549:  * return: none
                    550:  */
                    551: inline void io_sarrDestroy(sarr_t ** __restrict parr);
                    552: /*
                    553:  * io_sarrGrow() - Grow/Shrink dynamic split-order array, Use with care when it shrink!!!
                    554:  * @arr = Array
                    555:  * @newNumItems = Number of Items
                    556:  * return: -1 error, 0 ok
                    557:  */
                    558: int io_sarrGrow(sarr_t * __restrict arr, int newNumItems);
                    559: /*
                    560:  * io_sarrVacuum() - Vacuum dynamic split-order array, empty segments will be freed
                    561:  * @arr = Array
                    562:  * return: -1 error, >-1 freed segments
                    563:  */
                    564: inline int io_sarrVacuum(sarr_t * __restrict arr);
1.12    ! misho     565: #define io_sarrSize(_arr)              ((_arr) ? (_arr)->sarr_num : 0)
        !           566: #define io_sarrSeg(_arr)               (assert((_arr)), (_arr)->sarr_seg)
        !           567: /*
        !           568:  * io_sarrCopy() Copy source split array to destination split array
        !           569:  * @dest = Destination split array, after use free with io_sarrDestroy()
        !           570:  * @src = Source split array
        !           571:  * return: -1 error; >0 count of destination split array
        !           572:  */
        !           573: int io_sarrCopy(sarr_t ** __restrict dest, sarr_t * __restrict src);
1.9       misho     574: /*
                    575:  * io_sarrGet() - Get element from dynamic split-order array
                    576:  * @arr = Array
                    577:  * @idx = Index (warning 1st element is at position 1)
                    578:  * return: NULL not found, !=NULL element
                    579:  */
                    580: inline void *io_sarrGet(sarr_t * __restrict arr, unsigned int idx);
                    581: /*
                    582:  * io_sarrGet2() - Always get element from dynamic split-order array
                    583:  *     Function automatic grow array. Good use for Hash tables! 
                    584:  * @arr = Array
                    585:  * @idx = Index (warning 1st element is at position 1)
                    586:  * return: NULL not found, !=NULL element
                    587:  */
                    588: void *io_sarrGet2(sarr_t * __restrict arr, unsigned int idx);
                    589: /*
                    590:  * io_sarrSet() - Set element to dynamic split-order array
                    591:  * @arr = Array
                    592:  * @idx = Index (warning 1st element is at position 1)
                    593:  * @data = Value
                    594:  * return: NULL error or empty, !=NULL old value in element
                    595:  */
                    596: inline void *io_sarrSet(sarr_t * __restrict arr, unsigned int idx, void *data);
1.11      misho     597: #define io_sarrDel(_arr, _idx)         io_sarrSet((_arr), _idx, NULL)
                    598: #define io_sarr(_arr, _idx, _type)     (_type)io_sarrGet((_arr), _idx)
                    599: /*
                    600:  * io_sarr2array() - Convert from split-order array to dynamic array
                    601:  * @sa = split array
                    602:  * @sarrFree = after convert split array !=0 will be destroyed sarray
                    603:  * return: NULL error or != NULL new array
                    604:  */
                    605: array_t *io_sarr2array(sarr_t ** __restrict sa, int sarrFree);
                    606: /*
                    607:  * io_array2sarr() - Convert from dynamic array to split-order array
                    608:  * @a = array
                    609:  * @segLen = Length of segment
                    610:  * @arrFree = after convert array !=0 will be destroyed
                    611:  * return: NULL error or != NULL new sarr
                    612:  */
                    613: sarr_t *io_array2sarr(array_t ** __restrict a, int segLen, int arrFree);
1.8       misho     614: 
                    615: /*
1.10      misho     616:  * io_CopyEnv() Copy environment to new environment array;
                    617:  * @oldenv = Environment array
                    618:  * return: NULL error; !=NULL Allocated new environment array(must be free)
                    619: */
                    620: char **io_CopyEnv(const char **oldenv);
                    621: /*
                    622:  * io_ExecArgs() Build exec arguments from other array
                    623:  * @psProg = Program name for execute
                    624:  * @oldarg = Arguments array
                    625:  * return: NULL error; !=NULL Allocated execution array(must be free)
                    626: */
                    627: char **io_ExecArgs(const char *psProg, const char **oldarg);
                    628: /*
                    629:  * io_FreeNullTerm() Free dynamic allocated null terminated array with strings
                    630:  * @arr = Pointer to array for free
                    631:  * return: none
                    632: */
                    633: inline void io_FreeNullTerm(char *** __restrict arr);
                    634: 
                    635: /*
1.2       misho     636:  * ioURLGet() Parse and get data from input URL
                    637:  * @csURL = Input URL line
                    638:  * @url = Output parsed URL
                    639:  * return: 0 error format not find tech:// and return URL like path; 
                    640:                -1 error:: can`t read; >0 ok, up bits for known elements
                    641: */
                    642: int ioURLGet(const char *csURL, struct tagIOURL *url);
                    643: /*
                    644:  * ioURLGetValue() Get value from parsed URL
                    645:  * @url = Input parsed URL
                    646:  * @csAttr = Attribute for search
                    647:  * @psValue = Return value of attribute, if ==NULL only check for existence of attribute
                    648:  * @valLen = Size of psValue array
                    649:  * return: 0 error attribute not find; -1 error:: can`t read; >0 ok, find at position
                    650: */
                    651: int ioURLGetValue(struct tagIOURL *url, const char *csAttr, char * __restrict psValue, int valLen);
                    652: /*
                    653:  * ioURLGetFile() Get file from parsed URL
                    654:  * @url = Input parsed URL
                    655:  * @psValue = Return filename, if not specified file in url path, replace with /
                    656:  * @valLen = Size of psValue array
                    657:  * return: -1 error:: can`t read; 0 ok
                    658: */
                    659: int ioURLGetFile(struct tagIOURL *url, char * __restrict psValue, int valLen);
                    660: 
1.3       misho     661: 
                    662: /*
1.6       misho     663:  * ioXMLGet() Parse and get data from input XML request string [ns:]container[|attribute[=value]][?data]
                    664:  * @csXML = Input XML request line
                    665:  * @xml = Output parsed XML request
                    666:  * return: 0 error format incorrect, -1 error:: can`t read; >0 ok readed elements bits
                    667: */
                    668: int ioXMLGet(const char *csXML, struct tagReqXML *xml);
                    669: 
                    670: 
                    671: /*
1.5       misho     672:  * ioMkDir() Function for racursive directory creation and validation
                    673:  * @csDir = Full directory path
                    674:  * @mode = Mode for directory creation if missing dir
                    675:  * return: -1 error, 0 directory path exist, >0 created missing dirs
                    676: */
                    677: int ioMkDir(const char *csDir, int mode);
                    678: 
1.6       misho     679: /*
                    680:  * ioWatchDirLoop() Function for watching changes in directory and fire callback
                    681:  * @csDir = Full directory path
                    682:  * @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create
                    683:  * return: -1 error, !=-1 ok, number of total signaled events
                    684: */
                    685: int ioWatchDirLoop(const char *csDir, int (*callback)(const char *csName, int nOp));
                    686: 
1.5       misho     687: 
                    688: /*
                    689:  * io_rread() Raw VFS read function
                    690:  * @fd = File handle
                    691:  * @buf = Read buffer
                    692:  * @nbytes = Read buffer size
                    693:  * @offset = Read from position, if -1 read nbytes from current position
                    694:  * @update = Update file handle position !0
                    695:  * return: -1 error or !=-1 readed bytes
                    696:  */
                    697: inline int io_rread(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update);
                    698: /*
                    699:  * io_rwrite() Raw VFS write function
                    700:  * @fd = File handle
                    701:  * @buf = Write buffer
                    702:  * @nbytes = Write bytes from buffer
                    703:  * @offset = Write at position, if -1 write nbytes from current position
                    704:  * @update = Update file handle position !0
                    705:  * return: -1 error or !=-1 writed bytes
                    706:  */
                    707: inline int io_rwrite(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update);
                    708: 
                    709: /* Disk I/O helper macros */
                    710: #define io_read(f, b, n) io_rread(f, b, n, -1, 1)
                    711: #define io_write(f, b, n) io_rwrite(f, b, n, -1, 1)
                    712: 
                    713: 
                    714: /* Debug helper macros */
                    715: extern int io_Debug;
                    716: 
                    717: #define io_initDebug(x)                io_Debug = (x);
                    718: #define io_addDebug            io_Debug++
                    719: #define ioDEBUG(x, fmt, ...)   do { \
                    720:                                        assert((fmt)); \
                    721:                                        char str[STRSIZ] = { 0 }; \
1.11      misho     722:                                        snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1.5       misho     723:                                        if ((x) <= io_Debug) \
                    724:                                                syslog(LOG_DEBUG, "ioDebug(%d):%s(%d): %s\n", \
                    725:                                                                (x), __func__, __LINE__, str); \
                    726:                                } while (0)
                    727: 
                    728: #define ioERROR(x, fmt, ...)   do { \
                    729:                                        assert((fmt)); \
                    730:                                        char str[STRSIZ] = { 0 }; \
1.11      misho     731:                                        snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1.5       misho     732:                                        syslog(LOG_ERR, "ioError():%s(%d): #%d - %s\n", \
                    733:                                                         __func__, __LINE__, (x), str); \
                    734:                                } while (0)
                    735: #define io_sysERROR(x)         do { \
                    736:                                        if (x > 0 || errno) \
                    737:                                                syslog(LOG_ERR, "ioError(sys):%s(%d): #%d - %s\n", \
                    738:                                                                __func__, __LINE__, x > 0 ? x : errno, \
                    739:                                                                strerror(x > 0 ? x : errno)); \
                    740:                                } while (0)
                    741: #define io_aitERROR(ait)       do { \
                    742:                                        if (ait##_GetErrno()) \
                    743:                                                syslog(LOG_ERR, "ioError(ait):%s(%d): #%d - %s\n", \
                    744:                                                                __func__, __LINE__, ait##_GetErrno(), \
                    745:                                                                ait##_GetError()); \
                    746:                                } while (0)
1.3       misho     747: 
1.1       misho     748: 
1.7       misho     749: /* Crypto framework */
                    750: 
                    751: /*
                    752:  * ioCipher() Cipher wrapper for all supported crypto algorythms
                    753:  * @pInput = input buffer
                    754:  * @inLen = input buffer len
                    755:  * @ppOutput = output allocated buffe, must be free after use
                    756:  * @Cipher = cipher engine, like EVP_bf_cbc() or etc...
                    757:  * @pKey = key
                    758:  * @pIV = IV, salt (8 bytes)
                    759:  * @nMode = Mode 0 - decrypting or 1 - encrypting
                    760:  * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
                    761: */
                    762: int ioCipher(unsigned char *pInput, int inLen, unsigned char **ppOutput, const EVP_CIPHER *Cipher, 
                    763:                unsigned char *pKey, unsigned char *pIV, int nMode);
                    764: 
                    765: /*
                    766:  * io_Blowfish() Blowfish cipher algorythm, work with ASCII hex strings
                    767:  * @pInput = input buffer
                    768:  * @inLen = input buffer len
                    769:  * @ppOutput = output allocated buffe, must be free after use
                    770:  * @pKey = key
                    771:  * @pIV = IV, salt (8 bytes)
                    772:  * @nMode = Mode 0 - decrypting or 1 - encrypting
                    773:  * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
                    774: */
1.8       misho     775: int io_Blowfish(unsigned char *pInput, int inLen, unsigned char **ppOutput, 
                    776:                unsigned char *pKey, unsigned char *pIV, int nMode);
1.12    ! misho     777: /*
        !           778:  * io_ctr_AES() Encrypt/Decrypt stream cipher CTR_AES
        !           779:  * @pInput = Input buffer with ASCII
        !           780:  * @inLen = Input buffer data length
        !           781:  * @ppOutput = Output buffer with cipher data, must be free after use
        !           782:  * @pKey = Key
        !           783:  * @IV = IVector/Nonce/Counter, Warning: IV must be variable, because we write there!!!
        !           784:  * return: -1 error or >-1 how many cipher blocks proceeded
        !           785:  */
        !           786: int io_ctr_AES(unsigned char *pInput, int inLen, unsigned char **ppOutput, 
        !           787:                unsigned char *pKey, unsigned char IV[AES_BLOCK_SIZE]);
        !           788: 
        !           789: 
        !           790: /*
        !           791:  * ioAllocPTY() Allocate new PTY and TTY
        !           792:  * @ptyfd = master fd, pty
        !           793:  * @ttyfd = slave fd, tty
        !           794:  * @name = tty device name if not null
        !           795:  * @namesiz = name length, must be above 63 bytes.
        !           796:  * @term = termios for terminal
        !           797:  * @winz = winsize for terminal
        !           798:  * return: -1 error or 0 ok
        !           799:  */
        !           800: inline int ioAllocPTY(int *ptyfd, int *ttyfd, char * __restrict name, int namesiz, 
        !           801:                struct termios * __restrict term, struct winsize * __restrict winz);
        !           802: /*
        !           803:  * ioFreePTY() Release PTY and TTY device
        !           804:  * @ptyfd = master fd, pty (==-1 skip closing pty)
        !           805:  * @ttyname = tty filename
        !           806:  * return: none
        !           807:  */
        !           808: inline void ioFreePTY(int ptyfd, const char *ttyname);
        !           809: /*
        !           810:  * ioChgWinPTY() Change window size of PTY
        !           811:  * @ptyfd = master fd, pty
        !           812:  * @row = row
        !           813:  * @col = col
        !           814:  * @xpxl = x pixels
        !           815:  * @ypxl = y pixels
        !           816:  * return: -1 error or 0 ok
        !           817:  */
        !           818: inline int ioChgWinPTY(int ptyfd, unsigned short row, unsigned short col, 
        !           819:                unsigned short xpxl, unsigned short ypxl);
        !           820: /*
        !           821:  * ioSetOwnerTTY() Set owner to TTY
        !           822:  * @ttyname = tty filename
        !           823:  * @UID = uid
        !           824:  * @GID = gid
        !           825:  * return: -1 error or 0 ok
        !           826:  */
        !           827: int ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GID);
        !           828: /*
        !           829:  * ioSetSidTTY() Makes the process's controlling TTY and sets it to sane modes.
        !           830:  * @ttyfd = slave fd, tty
        !           831:  * @ttyname = tty filename
        !           832:  * return: -1 error or 0 ok
        !           833:  */
        !           834: int ioSetSidTTY(int *ttyfd, const char *ttyname);
        !           835: /*
        !           836:  * ioSetRAWMode() Enter into RAW mode
        !           837:  * @fd = tty fd
        !           838:  * @otio = saved old termios for later restore if !=NULL
        !           839:  * return: -1 error or 0 ok
        !           840:  */
        !           841: inline int ioSetRAWMode(int fd, struct termios *otio);
        !           842: /*
        !           843:  * ioRestoreMode() Restore termios to tty fd
        !           844:  * @fd = tty fd
        !           845:  * @tio = termios structure for restore
        !           846:  * return: -1 error or 0 ok
        !           847:  */
        !           848: inline int ioRestoreMode(int fd, struct termios tio);
        !           849: /*
        !           850:  * ioForkPTY() Fork new process with session leader and new TTY
        !           851:  * @ptyfd = master fd, pty
        !           852:  * @name = tty device name if not null
        !           853:  * @namesiz = name length, must be above 63 bytes.
        !           854:  * @term = termios for terminal
        !           855:  * @winz = winsize for terminal
        !           856:  * @otio = old termios structure for restore
        !           857:  * return: -1 error, 0 child process or >0 parent: pid of child
        !           858:  */
        !           859: pid_t ioForkPTY(int *ptyfd, char * __restrict name, int namesiz, struct termios * __restrict term, 
        !           860:                struct winsize * __restrict winz, struct termios * __restrict otio);
        !           861: 
        !           862: /*
        !           863:  * ioCreatePIDFile() Create PID file
        !           864:  * @csName = PID filename
        !           865:  * @ifExists = !=0 if filename exists return error
        !           866:  * return: -1 error or 0 ok
        !           867:  */
        !           868: inline int ioCreatePIDFile(const char *csName, int ifExists);
1.7       misho     869: 
                    870: 
1.1       misho     871: #endif

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