version 1.3.4.1, 2011/04/19 19:58:25
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version 1.17.8.1, 2016/08/10 13:59:44
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/************************************************************************* |
/************************************************************************* |
* (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com> | * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org> |
* by Michael Pounov <misho@openbsd-bg.org> | * by Michael Pounov <misho@elwix.org> |
* |
* |
* $Author$ |
* $Author$ |
* $Id$ |
* $Id$ |
* |
* |
*************************************************************************/ | ************************************************************************** |
#include "global.h" | The ELWIX and AITNET software is distributed under the following |
| terms: |
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|
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All of the documentation and software included in the ELWIX and AITNET |
|
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
|
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int io_Debug; | Copyright 2004 - 2016 |
| by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
|
modification, are permitted provided that the following conditions |
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are met: |
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1. Redistributions of source code must retain the above copyright |
|
notice, this list of conditions and the following disclaimer. |
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2. Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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3. All advertising materials mentioning features or use of this software |
|
must display the following acknowledgement: |
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This product includes software developed by Michael Pounov <misho@elwix.org> |
|
ELWIX - Embedded LightWeight unIX and its contributors. |
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4. Neither the name of AITNET nor the names of its contributors |
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may be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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SUCH DAMAGE. |
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*/ |
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#include "global.h" |
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#pragma GCC visibility push(hidden) |
#pragma GCC visibility push(hidden) |
|
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int io_Errno; |
int io_Errno; |
Line 21 char io_Error[STRSIZ];
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Line 55 char io_Error[STRSIZ];
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// io_GetErrno() Get error code of last operation |
// io_GetErrno() Get error code of last operation |
inline int io_GetErrno() | int |
| io_GetErrno() |
{ |
{ |
return io_Errno; |
return io_Errno; |
} |
} |
|
|
// io_GetError() Get error text of last operation |
// io_GetError() Get error text of last operation |
inline const char *io_GetError() | const char * |
| io_GetError() |
{ |
{ |
return io_Error; |
return io_Error; |
} |
} |
|
|
// io_SetErr() Set error to variables for internal use!!! |
// io_SetErr() Set error to variables for internal use!!! |
inline void io_SetErr(int eno, char *estr, ...) | void |
| io_SetErr(int eno, char *estr, ...) |
{ |
{ |
va_list lst; |
va_list lst; |
|
|
io_Errno = eno; |
io_Errno = eno; |
memset(io_Error, 0, STRSIZ); | memset(io_Error, 0, sizeof io_Error); |
va_start(lst, estr); |
va_start(lst, estr); |
vsnprintf(io_Error, STRSIZ, estr, lst); | vsnprintf(io_Error, sizeof io_Error, estr, lst); |
va_end(lst); |
va_end(lst); |
} |
} |
|
|
|
|
/* |
/* |
* ioPromptRead() Read data from input h[0] with prompt to output h[1] | * ioPromptRead() - Read data from input h[0] with prompt to output h[1] |
| * |
* @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout |
* @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout |
* @csPrompt = Prompt before input, may be NULL |
* @csPrompt = Prompt before input, may be NULL |
* @psData = Readed data |
* @psData = Readed data |
* @dataLen = Length of data |
* @dataLen = Length of data |
* return: 0 EOF; -1 error:: can`t read; >0 count of readed chars |
* return: 0 EOF; -1 error:: can`t read; >0 count of readed chars |
*/ |
*/ |
int ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen) | int |
| ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen) |
{ |
{ |
int ok = 0; |
int ok = 0; |
FILE *inp, *out; |
FILE *inp, *out; |
Line 98 int ioPromptRead(int *h, const char *csPrompt, char *
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Line 137 int ioPromptRead(int *h, const char *csPrompt, char *
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} |
} |
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|
/* |
/* |
* ioPromptPassword() Read password from input h[0] with prompt to output h[1] | * ioPromptPassword() - Read password from input h[0] with prompt to output h[1] |
| * |
* @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout |
* @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout |
* @csPrompt = Prompt before input, may be NULL |
* @csPrompt = Prompt before input, may be NULL |
* @psPass = Readed password |
* @psPass = Readed password |
Line 106 int ioPromptRead(int *h, const char *csPrompt, char *
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Line 146 int ioPromptRead(int *h, const char *csPrompt, char *
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* @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation |
* @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation |
* return: 0 EOF; -1 error:: can`t read; >0 count of readed chars |
* return: 0 EOF; -1 error:: can`t read; >0 count of readed chars |
*/ |
*/ |
int ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm) | int |
| ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm) |
{ |
{ |
int ret, ok = 0; |
int ret, ok = 0; |
FILE *inp, *out; |
FILE *inp, *out; |
Line 183 next:
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Line 224 next:
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} |
} |
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/* |
/* |
* ioRegexVerify() Function for verify data match in regex expression | * ioMkDir() - Function for racursive directory creation and validation |
* @csRegex = Regulare expression pattern | * |
* @csData = Data for check and verify | |
* @startPos = Return start positions | |
* @endPos = Return end positions | |
* return: NULL not match or error; !=NULL begin of matched data | |
*/ | |
const char *ioRegexVerify(const char *csRegex, const char *csData, int *startPos, int *endPos) | |
{ | |
regex_t re; | |
regmatch_t match; | |
char szErr[STRSIZ]; | |
int ret, flg; | |
const char *pos; | |
| |
if (!csRegex || !csData) | |
return NULL; | |
| |
if ((ret = regcomp(&re, csRegex, REG_EXTENDED))) { | |
regerror(ret, &re, szErr, STRSIZ); | |
io_SetErr(ret, "Error:: %s\n", szErr); | |
regfree(&re); | |
return NULL; | |
} | |
| |
for (ret = flg = 0, pos = csData; !(ret = regexec(&re, pos, 1, &match, flg)); | |
pos += match.rm_eo, flg = REG_NOTBOL) { | |
if (startPos) | |
*startPos = match.rm_so; | |
if (endPos) | |
*endPos = match.rm_eo; | |
| |
pos += match.rm_so; | |
break; | |
} | |
| |
if (ret) { | |
regerror(ret, &re, szErr, STRSIZ); | |
io_SetErr(ret, "Error:: %s\n", szErr); | |
pos = NULL; | |
} | |
| |
regfree(&re); | |
return pos; | |
} | |
| |
/* | |
* ioRegexGet() Function for get data match in regex expression | |
* @csRegex = Regulare expression pattern | |
* @csData = Data from get | |
* @psString = Returned string if match | |
* @strLen = Length of string | |
* return: 0 not match; >0 count of returned chars | |
*/ | |
int ioRegexGet(const char *csRegex, const char *csData, char * __restrict psString, int strLen) | |
{ | |
int sp, ep, len; | |
const char *str; | |
| |
if (!csRegex || !csData) | |
return -1; | |
| |
str = ioRegexVerify(csRegex, csData, &sp, &ep); | |
if (!str) | |
return 0; | |
| |
len = ep - sp; | |
if (psString && strLen) { | |
memset(psString, 0, strLen); | |
strncpy(psString, str, strLen <= len ? strLen - 1 : len); | |
} | |
| |
return len; | |
} | |
| |
/* | |
* ioRegexReplace() Function for replace data match in regex expression with newdata | |
* @csRegex = Regulare expression pattern | |
* @csData = Source data | |
* @csNew = Data for replace | |
* return: NULL not match or error; !=NULL allocated new string, must be free after use! | |
*/ | |
char *ioRegexReplace(const char *csRegex, const char *csData, const char *csNew) | |
{ | |
int sp, ep, len; | |
char *str = NULL; | |
| |
if (!csRegex || !csData) | |
return NULL; | |
| |
if (!ioRegexVerify(csRegex, csData, &sp, &ep)) | |
return NULL; | |
| |
// ___ before match | |
len = sp + 1; | |
str = malloc(len); | |
if (!str) { | |
LOGERR; | |
return NULL; | |
} else | |
strlcpy(str, csData, len); | |
// * replace match * | |
if (csNew) { | |
len += strlen(csNew); | |
str = realloc(str, len); | |
if (!str) { | |
LOGERR; | |
return NULL; | |
} else | |
strlcat(str, csNew, len); | |
} | |
// after match ___ | |
len += strlen(csData) - ep; | |
str = realloc(str, len); | |
if (!str) { | |
LOGERR; | |
return NULL; | |
} else | |
strlcat(str, csData + ep, len); | |
| |
return str; | |
} | |
| |
/* | |
* ioVarAst() Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}" | |
* @csString = Input string | |
* return: NULL error, !=NULL Allocated new string evaluated from input string, must be free() | |
*/ | |
char * | |
ioVarAst(const char *csString) | |
{ | |
char *ext, *str, *out = NULL; | |
int e[2] = { 0 }; | |
| |
if (!csString) | |
return NULL; | |
| |
if (!strchr(csString, '{') || !strrchr(csString, '}')) { | |
memset(io_Error, 0, STRSIZ); | |
snprintf(io_Error, STRSIZ, "Error:: Invalid input string format ... " | |
"must be like {text[:[-]#[:#]]}"); | |
io_Errno = EINVAL; | |
return NULL; | |
} else { | |
str = strdup(strchr(csString, '{') + 1); | |
*strrchr(str, '}') = 0; | |
} | |
| |
if ((ext = strchr(str, ':'))) { | |
*ext++ = 0; | |
e[0] = strtol(ext, NULL, 0); | |
if ((ext = strchr(ext, ':'))) | |
e[1] = strtol(++ext, NULL, 0); | |
| |
/* make cut prefix */ | |
if (e[0] >= 0) | |
ext = str + e[0]; | |
else | |
ext = str + strlen(str) + e[0]; | |
/* make cut suffix */ | |
if (e[1] > 0) | |
*(ext + e[1]) = 0; | |
} else | |
/* ok, clear show */ | |
ext = str; | |
| |
out = strdup(ext); | |
free(str); | |
| |
return out; | |
} | |
| |
| |
/* | |
* ioMkDir() Function for racursive directory creation and validation | |
* @csDir = Full directory path |
* @csDir = Full directory path |
* @mode = Mode for directory creation if missing dir |
* @mode = Mode for directory creation if missing dir |
* return: -1 error, 0 directory path exist, >0 created missing dirs |
* return: -1 error, 0 directory path exist, >0 created missing dirs |
Line 371 ioMkDir(const char *csDir, int mode)
|
Line 239 ioMkDir(const char *csDir, int mode)
|
if (!csDir) |
if (!csDir) |
return cx; |
return cx; |
|
|
str = strdup(csDir); | str = e_strdup(csDir); |
if (!str) { |
if (!str) { |
LOGERR; |
LOGERR; |
return cx; |
return cx; |
Line 399 ioMkDir(const char *csDir, int mode)
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Line 267 ioMkDir(const char *csDir, int mode)
|
} |
} |
end: |
end: |
chdir(szOld); |
chdir(szOld); |
free(str); | e_free(str); |
return cx; |
return cx; |
} |
} |
|
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/* |
/* |
* ioWatchDirLoop() Function for watching changes in directory and fire callback | * ioWatchDirLoop() - Function for watching changes in directory and fire callback |
| * |
* @csDir = Full directory path |
* @csDir = Full directory path |
* @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create |
* @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create |
* return: -1 error, !=-1 ok, number of total signaled events |
* return: -1 error, !=-1 ok, number of total signaled events |
Line 512 ioWatchDirLoop(const char *csDir, int (*callback)(cons
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Line 381 ioWatchDirLoop(const char *csDir, int (*callback)(cons
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close(d); |
close(d); |
close(kq); |
close(kq); |
return n; |
return n; |
|
} |
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/* |
|
* ioCreatePIDFile() - Create PID file |
|
* |
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* @csName = PID filename |
|
* @ifExists = !=0 if filename exists return error |
|
* return: -1 error or 0 ok |
|
*/ |
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int |
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ioCreatePIDFile(const char *csName, int ifExists) |
|
{ |
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int fd; |
|
char str[STRSIZ] = { 0 }; |
|
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if (!csName) |
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return -1; |
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fd = open(csName, O_WRONLY | O_CREAT | (ifExists ? O_EXCL : 0), 0644); |
|
if (fd == -1) { |
|
LOGERR; |
|
return -1; |
|
} |
|
snprintf(str, sizeof str, "%d", getpid()); |
|
write(fd, str, strlen(str)); |
|
close(fd); |
|
return 0; |
|
} |
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/* |
|
* ioSendFile() - AITNET sendfile() userland implementation, not dependant from OS |
|
* |
|
* @s = socket |
|
* @csFile = file for send |
|
* @sendLen = bytes to send, if 0 send all data |
|
* @offset = start file offset |
|
* @sndbuf = SO_SNDBUF value, if 0 use default |
|
* return: 0 error, >0 ok, sended bytes |
|
*/ |
|
size_t |
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ioSendFile(int s, const char *csFile, size_t sendLen, off_t offset, int sndbuf) |
|
{ |
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void *addr; |
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int fd; |
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size_t len = 0; |
|
register size_t off = 0; |
|
|
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if (!csFile) |
|
return 0; |
|
|
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if (sndbuf) |
|
if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof sndbuf) == -1) { |
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LOGERR; |
|
return 0; |
|
} |
|
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fd = open(csFile, O_RDONLY); |
|
if (fd == -1) { |
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LOGERR; |
|
return 0; |
|
} |
|
if (!sendLen) { |
|
sendLen = lseek(fd, 0, SEEK_END); |
|
if (sendLen == -1) { |
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LOGERR; |
|
close(fd); |
|
return 0; |
|
} |
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} |
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addr = mmap(NULL, sendLen, PROT_READ, MAP_SHARED, fd, offset); |
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if (addr == MAP_FAILED) { |
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LOGERR; |
|
close(fd); |
|
return 0; |
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} else |
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close(fd); |
|
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while (off < sendLen && (len = write(s, addr + off, sendLen - off)) != -1) |
|
off += len; |
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if (len == -1) { |
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LOGERR; |
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munmap(addr, sendLen); |
|
return 0; |
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} else |
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len = off; |
|
|
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if (len != sendLen) { |
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io_SetErr(ECANCELED, "Different sizes - request %u bytes, actually sended %u bytes\n", |
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sendLen, len); |
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len ^= len; |
|
} |
|
|
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munmap(addr, sendLen); |
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return len; |
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} |
|
|
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/* |
|
* ioRecvFile() - Receive file from socket, fastest (zero-copy) way |
|
* |
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* @s = socket |
|
* @csFile = file for receive |
|
* @recvLen = receive bytes |
|
* @over = overwrite file if exists with mode like 0644 |
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* @rcvbuf = SO_RCVBUF value, if 0 use default |
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* return: 0 error, >0 ok, received bytes |
|
*/ |
|
size_t |
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ioRecvFile(int s, const char *csFile, size_t recvLen, int over, int rcvbuf) |
|
{ |
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void *addr; |
|
int fd; |
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size_t len = 0; |
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register size_t off = 0; |
|
struct pollfd pfd = { s, POLLIN | POLLPRI, 0 }; |
|
|
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if (!csFile || !recvLen) |
|
return 0; |
|
if (!over && !access(csFile, F_OK)) |
|
return 0; |
|
|
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if (rcvbuf) |
|
if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, &rcvbuf, sizeof rcvbuf) == -1) { |
|
LOGERR; |
|
return 0; |
|
} |
|
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fd = open(csFile, O_WRONLY | O_CREAT | O_TRUNC, over); |
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if (fd == -1) { |
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LOGERR; |
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unlink(csFile); |
|
return 0; |
|
} |
|
if (ftruncate(fd, recvLen) == -1) { |
|
LOGERR; |
|
close(fd); |
|
unlink(csFile); |
|
return 0; |
|
} |
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addr = mmap(NULL, recvLen, PROT_WRITE, MAP_SHARED, fd, 0); |
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if (addr == MAP_FAILED) { |
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LOGERR; |
|
close(fd); |
|
unlink(csFile); |
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return 0; |
|
} else |
|
close(fd); |
|
|
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while (off < recvLen && poll(&pfd, 1, RECV_TIMEOUT) != -1) |
|
while (off < recvLen && (len = read(s, addr + off, recvLen - off)) != -1) |
|
off += len; |
|
if (len == -1) { |
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LOGERR; |
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munmap(addr, recvLen); |
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unlink(csFile); |
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return 0; |
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} else |
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len = off; |
|
|
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if (len != recvLen) |
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io_SetErr(EAGAIN, "Different sizes - request %u bytes, actually received %u bytes\n", |
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recvLen, len); |
|
|
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munmap(addr, recvLen); |
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return len; |
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} |
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/* |
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* ioRealFileName() - Get real file name |
|
* |
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* @fname = filename |
|
* return: =NULL error or !=NULL real filename, should be free with e_free() |
|
*/ |
|
char * |
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ioRealFileName(const char *fname) |
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{ |
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char *str = NULL; |
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struct stat sb; |
|
|
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if (!fname) |
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return NULL; |
|
|
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str = e_malloc(MAXPATHLEN); |
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if (!str) { |
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io_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
|
return NULL; |
|
} else |
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memset(str, 0, MAXPATHLEN); |
|
if (readlink(fname, str, MAXPATHLEN) == -1) { |
|
if (stat(fname, &sb) == -1) { |
|
LOGERR; |
|
e_free(str); |
|
return NULL; |
|
} else |
|
strlcpy(str, fname, MAXPATHLEN); |
|
} |
|
|
|
return str; |
} |
} |