diff options
Diffstat (limited to 'srUtils.c')
| -rwxr-xr-x | srUtils.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/srUtils.c b/srUtils.c deleted file mode 100755 index 9dcea299..00000000 --- a/srUtils.c +++ /dev/null @@ -1,243 +0,0 @@ -/**\file srUtils.c - * \brief General utilties that fit nowhere else. - * - * The namespace for this file is "srUtil". - * - * \author Rainer Gerhards <rgerhards@adiscon.com> - * \date 2003-09-09 - * Coding begun. - * - * Copyright 2003-2007 Rainer Gerhards and Adiscon GmbH. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * A copy of the GPL can be found in the file "COPYING" in this distribution. - */ -#include "config.h" - -#include "rsyslog.h" /* THIS IS A MODIFICATION FOR RSYSLOG! 2004-11-18 rgerards */ -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <signal.h> -#include <assert.h> -#include <sys/wait.h> -#include <ctype.h> -#include "liblogging-stub.h" /* THIS IS A MODIFICATION FOR RSYSLOG! 2004-11-18 rgerards */ -#define TRUE 1 -#define FALSE 0 -#include "srUtils.h" -#include "syslogd.h" - - -/* ################################################################# * - * private members * - * ################################################################# */ - -/* As this is not a "real" object, there won't be any private - * members in this file. - */ - -/* ################################################################# * - * public members * - * ################################################################# */ - -rsRetVal srUtilItoA(char *pBuf, int iLenBuf, int iToConv) -{ - int i; - int bIsNegative; - char szBuf[32]; /* sufficiently large for my lifespan and those of my children... ;) */ - - assert(pBuf != NULL); - assert(iLenBuf > 1); /* This is actually an app error and as thus checked for... */ - - if(iToConv < 0) - { - bIsNegative = TRUE; - iToConv *= -1; - } - else - bIsNegative = FALSE; - - /* first generate a string with the digits in the reverse direction */ - i = 0; - do - { - szBuf[i++] = iToConv % 10 + '0'; - iToConv /= 10; - } while(iToConv > 0); /* warning: do...while()! */ - --i; /* undo last increment - we were pointing at NEXT location */ - - /* make sure we are within bounds... */ - if(i + 2 > iLenBuf) /* +2 because: a) i starts at zero! b) the \0 byte */ - return RS_RET_PROVIDED_BUFFER_TOO_SMALL; - - /* then move it to the right direction... */ - if(bIsNegative == TRUE) - *pBuf++ = '-'; - while(i >= 0) - *pBuf++ = szBuf[i--]; - *pBuf = '\0'; /* terminate it!!! */ - - return RS_RET_OK; -} - -uchar *srUtilStrDup(uchar *pOld, size_t len) -{ - uchar *pNew; - - assert(pOld != NULL); - - if((pNew = malloc(len + 1)) != NULL) - memcpy(pNew, pOld, len + 1); - - return pNew; -} - - -/* creates a path recursively - * Return 0 on success, -1 otherwise. On failure, errno - * hold the last OS error. - * Param "mode" holds the mode that all non-existing directories - * are to be created with. - */ -int makeFileParentDirs(uchar *szFile, size_t lenFile, mode_t mode, - uid_t uid, gid_t gid, int bFailOnChownFail) -{ - uchar *p; - uchar *pszWork; - size_t len; - int bErr = 0; - - assert(szFile != NULL); - assert(lenFile > 0); - - len = lenFile + 1; /* add one for '\0'-byte */ - if((pszWork = malloc(sizeof(uchar) * len)) == NULL) - return -1; - memcpy(pszWork, szFile, len); - for(p = pszWork+1 ; *p ; p++) - if(*p == '/') { - /* temporarily terminate string, create dir and go on */ - *p = '\0'; - if(access((char*)pszWork, F_OK)) { - if(mkdir((char*)pszWork, mode) == 0) { - if(uid != (uid_t) -1 || gid != (gid_t) -1) { - /* we need to set owner/group */ - if(chown((char*)pszWork, uid, gid) != 0) - if(bFailOnChownFail) - bErr = 1; - /* silently ignore if configured - * to do so. - */ - } - } else - bErr = 1; - if(bErr) { - int eSave = errno; - free(pszWork); - errno = eSave; - return -1; - } - } - *p = '/'; - } - free(pszWork); - return 0; -} - - -/* execute a program with a single argument - * returns child pid if everything ok, 0 on failure. if - * it fails, errno is set. if it fails after the fork(), the caller - * can not be notfied for obvious reasons. if bwait is set to 1, - * the code waits until the child terminates - that potentially takes - * a lot of time. - * implemented 2007-07-20 rgerhards - */ -int execProg(uchar *program, int bWait, uchar *arg) -{ - int pid; - int sig; - struct sigaction sigAct; - - dbgprintf("exec program '%s' with param '%s'\n", program, arg); - pid = fork(); - if (pid < 0) { - return 0; - } - - if(pid) { /* Parent */ - if(bWait) - if(waitpid(pid, NULL, 0) == -1) - if(errno != ECHILD) { - /* we do not use logerror(), because - * that might bring us into an endless - * loop. At some time, we may - * reconsider this behaviour. - */ - dbgprintf("could not wait on child after executing '%s'", - (char*)program); - } - return pid; - } - /* Child */ - alarm(0); /* create a clean environment before we exec the real child */ - - memset(&sigAct, 0, sizeof(sigAct)); - sigemptyset(&sigAct.sa_mask); - sigAct.sa_handler = SIG_DFL; - - for(sig = 1 ; sig < NSIG ; ++sig) - sigaction(sig, &sigAct, NULL); - - execlp((char*)program, (char*) program, (char*)arg, NULL); - /* In the long term, it's a good idea to implement some enhanced error - * checking here. However, it can not easily be done. For starters, we - * may run into endless loops if we log to syslog. The next problem is - * that output is typically not seen by the user. For the time being, - * we use no error reporting, which is quite consitent with the old - * system() way of doing things. rgerhards, 2007-07-20 - */ - perror("exec"); - exit(1); /* not much we can do in this case */ -} - - -/* skip over whitespace in a standard C string. The - * provided pointer is advanced to the first non-whitespace - * charater or the \0 byte, if there is none. It is never - * moved past the \0. - */ -void skipWhiteSpace(uchar **pp) -{ - register uchar *p; - - assert(pp != NULL); - assert(*pp != NULL); - - p = *pp; - while(*p && isspace((int) *p)) - ++p; - *pp = p; -} - - -/* - * vi:set ai: - */ |