Return to logent.c CVS log

Up to [CSRG BSD Unix] / 42BSD / usr.bin / uucp

Annotation of 42BSD/usr.bin/uucp/logent.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char sccsid[] = "@(#)logent.c   5.2 (Berkeley) 7/2/83";
        !             3: #endif
        !             4: 
        !             5: #include "uucp.h"
        !             6: #include <sys/types.h>
        !             7: #include <sys/time.h>
        !             8: 
        !             9: extern time_t  time();
        !            10: 
        !            11: /* This logfile stuff was awful -- it did output to an
        !            12:  * unbuffered stream.
        !            13:  *
        !            14:  * This new version just open the single logfile and writes
        !            15:  * the record in the stdio buffer.  Once that's done, it
        !            16:  * positions itself at the end of the file (lseek), and
        !            17:  * writes the buffer out.  This could mangle things but
        !            18:  * it isn't likely. -- ittvax!swatt
        !            19:  *
        !            20:  * If the files could be opened with "guaranteed append to end",
        !            21:  * the lseeks could be removed.
        !            22:  * Using fseek would be slightly cleaner,
        !            23:  * but would mangle things slightly more often.
        !            24:  */
        !            25: 
        !            26: 
        !            27: FILE *Lp = NULL;
        !            28: FILE *Sp = NULL;
        !            29: static Ltried = 0;
        !            30: static Stried = 0;
        !            31: 
        !            32: /*******
        !            33:  *     logent(text, status)    make log entry
        !            34:  *     char *text, *status;
        !            35:  *
        !            36:  *     return code - none
        !            37:  */
        !            38: 
        !            39: logent(text, status)
        !            40: char *text, *status;
        !            41: {
        !            42:        /* Open the log file if necessary */
        !            43:        if (Lp == NULL) {
        !            44:                if (!Ltried) {
        !            45:                        int savemask;
        !            46:                        savemask = umask(LOGMASK);
        !            47:                        Lp = fopen (LOGFILE, "a");
        !            48:                        umask(savemask);
        !            49:                }
        !            50:                Ltried = 1;
        !            51:                if (Lp == NULL)
        !            52:                        return;
        !            53:                fioclex(fileno(Lp));
        !            54:        }
        !            55: 
        !            56:        /*  make entry in existing temp log file  */
        !            57:        mlogent(Lp, status, text);
        !            58: }
        !            59: 
        !            60: /***
        !            61:  *     mlogent(fp, status, text)  - make a log entry
        !            62:  */
        !            63: 
        !            64: mlogent(fp, status, text)
        !            65: char *text, *status;
        !            66: register FILE *fp;
        !            67: {
        !            68:        static pid = 0;
        !            69:        register struct tm *tp;
        !            70:        extern struct tm *localtime();
        !            71:        time_t clock;
        !            72: 
        !            73:        if (!pid)
        !            74:                pid = getpid();
        !            75:        time(&clock);
        !            76:        tp = localtime(&clock);
        !            77:        fprintf(fp, "%s %s ", User, Rmtname);
        !            78:        fprintf(fp, "(%d/%d-%d:%02d-%d) ", tp->tm_mon + 1,
        !            79:                tp->tm_mday, tp->tm_hour, tp->tm_min, pid);
        !            80:        fprintf(fp, "%s (%s)\n", status, text);
        !            81: 
        !            82:        /* Since it's buffered */
        !            83:        lseek (fileno(fp), (long)0, 2);
        !            84:        fflush (fp);
        !            85:        if (Debug > 0) {
        !            86:                fprintf(stderr, "%s %s ", User, Rmtname);
        !            87:                fprintf(stderr, "(%d/%d-%d:%02d-%d) ", tp->tm_mon + 1,
        !            88:                        tp->tm_mday, tp->tm_hour, tp->tm_min, pid);
        !            89:                fprintf(stderr, "%s (%s)\n", status, text);
        !            90:        }
        !            91: }
        !            92: 
        !            93: /***
        !            94:  *     logcls()        close log file
        !            95:  *
        !            96:  *     return codes:  none
        !            97:  */
        !            98: 
        !            99: logcls()
        !           100: {
        !           101:        if (Lp != NULL)
        !           102:                fclose(Lp);
        !           103:        Lp = NULL;
        !           104:        Ltried = 0;
        !           105: 
        !           106:        if (Sp != NULL)
        !           107:                fclose (Sp);
        !           108:        Sp = NULL;
        !           109:        Stried = 0;
        !           110: }
        !           111: 
        !           112: 
        !           113: /***
        !           114:  *     syslog(text)    make system log entry
        !           115:  *     char *text;
        !           116:  *
        !           117:  *     return codes - none
        !           118:  */
        !           119: 
        !           120: syslog(text)
        !           121: char *text;
        !           122: {
        !           123:        register struct tm *tp;
        !           124:        extern struct tm *localtime();
        !           125:        time_t clock;
        !           126: 
        !           127:        if (Sp == NULL) {
        !           128:                if (!Stried) {
        !           129:                        int savemask;
        !           130:                        savemask = umask(LOGMASK);
        !           131:                        Sp = fopen(SYSLOG, "a");
        !           132:                        umask(savemask);
        !           133:                }
        !           134:                Stried = 1;
        !           135:                if (Sp == NULL)
        !           136:                        return;
        !           137:                fioclex(fileno(Sp));
        !           138:        }
        !           139:                        
        !           140:        time(&clock);
        !           141:        tp = localtime(&clock);
        !           142: 
        !           143:        fprintf(Sp, "%s %s ", User, Rmtname);
        !           144:        fprintf(Sp, "(%d/%d-%d:%02d) ", tp->tm_mon + 1,
        !           145:                tp->tm_mday, tp->tm_hour, tp->tm_min);
        !           146:        fprintf(Sp, "(%ld) %s\n", clock, text);
        !           147: 
        !           148:        /* Position at end and flush */
        !           149:        lseek (fileno(Sp), (long)0, 2);
        !           150:        fflush (Sp);
        !           151: }
        !           152: 
        !           153: /*
        !           154:  * Arrange to close fd on exec(II).
        !           155:  * Otherwise unwanted file descriptors are inherited
        !           156:  * by other programs.  And that may be a security hole.
        !           157:  */
        !           158: #ifdef SYSIII
        !           159: #include <fcntl.h>
        !           160: #endif
        !           161: #ifndef        SYSIII
        !           162: #include <sgtty.h>
        !           163: #endif
        !           164: 
        !           165: fioclex(fd)
        !           166: int fd;
        !           167: {
        !           168:        register int ret;
        !           169: 
        !           170: #ifdef SYSIII
        !           171:        ret = fcntl(fd, F_SETFD, 1);    /* Steve Bellovin says this does it */
        !           172: #endif
        !           173: #ifndef        SYSIII
        !           174:        ret = ioctl(fd, FIOCLEX, STBNULL);
        !           175: #endif
        !           176:        if (ret)
        !           177:                DEBUG(2, "CAN'T FIOCLEX %d\n", fd);
        !           178: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.