mirror of
https://git.FreeBSD.org/src.git
synced 2025-01-25 16:13:17 +00:00
Correct use of .Nm, .Em, .Ev
Add rcsid. Use errx instead of fprintf + exit. Various spelling fixes.
This commit is contained in:
Philippe Charnier
parent
6ec34d218a
commit
81c8c7a454
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=54158
@ -26,6 +26,11 @@
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#define _USE_BSD 1
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/* System Headers */
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@ -36,6 +41,7 @@
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#include <sys/param.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pwd.h>
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@ -92,7 +98,6 @@ enum { ATQ, ATRM, AT, BATCH, CAT }; /* what program we want to run */
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/* File scope variables */
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static const char rcsid[] = "$FreeBSD$";
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char *no_export[] =
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{
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"TERM", "TERMCAP", "DISPLAY", "_"
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@ -103,7 +108,6 @@ static int send_mail = 0;
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extern char **environ;
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int fcreated;
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char *namep;
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char atfile[] = ATJOB_DIR "12345678901234";
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char *atinput = (char*)0; /* where to get input from */
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@ -138,7 +142,7 @@ static void alarmc(int signo)
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{
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/* Time out after some seconds
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*/
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panic("File locking timed out");
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panic("file locking timed out");
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}
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/* Local functions */
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@ -157,13 +161,13 @@ static char *cwdname(void)
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while (1)
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{
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if (ptr == NULL)
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panic("Out of memory");
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panic("out of memory");
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if (getcwd(ptr, size-1) != NULL)
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return ptr;
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if (errno != ERANGE)
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perr("Cannot get directory");
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perr("cannot get directory");
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free (ptr);
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size += SIZE;
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@ -237,7 +241,7 @@ writefile(time_t runtimer, char queue)
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PRIV_START
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if ((lockdes = open(LFILE, O_WRONLY | O_CREAT, S_IWUSR | S_IRUSR)) < 0)
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perr("Cannot open lockfile " LFILE);
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perr("cannot open lockfile " LFILE);
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lock.l_type = F_WRLCK; lock.l_whence = SEEK_SET; lock.l_start = 0;
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lock.l_len = 0;
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@ -255,7 +259,7 @@ writefile(time_t runtimer, char queue)
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alarm(0);
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if ((jobno = nextjob()) == EOF)
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perr("Cannot generate job number");
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perr("cannot generate job number");
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sprintf(ppos, "%c%5lx%8lx", queue,
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jobno, (unsigned long) (runtimer/60));
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@ -266,7 +270,7 @@ writefile(time_t runtimer, char queue)
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if (stat(atfile, &statbuf) != 0)
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if (errno != ENOENT)
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perr("Cannot access " ATJOB_DIR);
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perr("cannot access " ATJOB_DIR);
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/* Create the file. The x bit is only going to be set after it has
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* been completely written out, to make sure it is not executed in the
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@ -275,13 +279,13 @@ writefile(time_t runtimer, char queue)
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*/
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cmask = umask(S_IRUSR | S_IWUSR | S_IXUSR);
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if ((fdes = creat(atfile, O_WRONLY)) == -1)
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perr("Cannot create atjob file");
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perr("cannot create atjob file");
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if ((fd2 = dup(fdes)) <0)
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perr("Error in dup() of job file");
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perr("error in dup() of job file");
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if(fchown(fd2, real_uid, real_gid) != 0)
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perr("Cannot give away file");
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perr("cannot give away file");
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PRIV_END
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@ -304,7 +308,7 @@ writefile(time_t runtimer, char queue)
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close(lockdes);
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if((fp = fdopen(fdes, "w")) == NULL)
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panic("Cannot reopen atjob file");
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panic("cannot reopen atjob file");
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/* Get the userid to mail to, first by trying getlogin(), which reads
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* /etc/utmp, then from LOGNAME, finally from getpwuid().
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@ -325,7 +329,7 @@ writefile(time_t runtimer, char queue)
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{
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fpin = freopen(atinput, "r", stdin);
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if (fpin == NULL)
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perr("Cannot open input file");
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perr("cannot open input file");
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}
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fprintf(fp, "#!/bin/sh\n# atrun uid=%ld gid=%ld\n# mail %*s %d\n",
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(long) real_uid, (long) real_gid, LOGNAMESIZE, mailname, send_mail);
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@ -336,7 +340,7 @@ writefile(time_t runtimer, char queue)
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/* Write out the environment. Anything that may look like a
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* special character to the shell is quoted, except for \n, which is
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* done with a pair of "'s. Dont't export the no_export list (such
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* done with a pair of "'s. Don't export the no_export list (such
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* as TERM or DISPLAY) because we don't want these.
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*/
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for (atenv= environ; *atenv != NULL; atenv++)
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@ -416,10 +420,10 @@ writefile(time_t runtimer, char queue)
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fprintf(fp, "\n");
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if (ferror(fp))
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panic("Output error");
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panic("output error");
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if (ferror(stdin))
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panic("Input error");
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panic("input error");
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fclose(fp);
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@ -427,7 +431,7 @@ writefile(time_t runtimer, char queue)
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*/
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if (fchmod(fd2, S_IRUSR | S_IWUSR | S_IXUSR) < 0)
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perr("Cannot give away file");
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perr("cannot give away file");
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close(fd2);
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fprintf(stderr, "Job %ld will be executed using /bin/sh\n", jobno);
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@ -458,16 +462,16 @@ list_jobs()
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PRIV_START
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if (chdir(ATJOB_DIR) != 0)
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perr("Cannot change to " ATJOB_DIR);
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perr("cannot change to " ATJOB_DIR);
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if ((spool = opendir(".")) == NULL)
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perr("Cannot open " ATJOB_DIR);
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perr("cannot open " ATJOB_DIR);
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/* Loop over every file in the directory
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*/
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while((dirent = readdir(spool)) != NULL) {
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if (stat(dirent->d_name, &buf) != 0)
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perr("Cannot stat in " ATJOB_DIR);
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perr("cannot stat in " ATJOB_DIR);
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/* See it's a regular file and has its x bit turned on and
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* is the user's
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@ -518,10 +522,10 @@ process_jobs(int argc, char **argv, int what)
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PRIV_START
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if (chdir(ATJOB_DIR) != 0)
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perr("Cannot change to " ATJOB_DIR);
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perr("cannot change to " ATJOB_DIR);
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if ((spool = opendir(".")) == NULL)
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perr("Cannot open " ATJOB_DIR);
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perr("cannot open " ATJOB_DIR);
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PRIV_END
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@ -531,7 +535,7 @@ process_jobs(int argc, char **argv, int what)
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PRIV_START
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if (stat(dirent->d_name, &buf) != 0)
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perr("Cannot stat in " ATJOB_DIR);
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perr("cannot stat in " ATJOB_DIR);
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PRIV_END
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if(sscanf(dirent->d_name, "%c%5lx%8lx", &queue, &jobno, &ctm)!=3)
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@ -539,10 +543,8 @@ process_jobs(int argc, char **argv, int what)
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for (i=optind; i < argc; i++) {
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if (atoi(argv[i]) == jobno) {
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if ((buf.st_uid != real_uid) && !(real_uid == 0)) {
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fprintf(stderr, "%s: Not owner\n", argv[i]);
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exit(EXIT_FAILURE);
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}
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if ((buf.st_uid != real_uid) && !(real_uid == 0))
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errx(EXIT_FAILURE, "%s: not owner", argv[i]);
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switch (what) {
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case ATRM:
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@ -567,7 +569,7 @@ process_jobs(int argc, char **argv, int what)
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PRIV_END
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if (!fp) {
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perr("Cannot open file");
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perr("cannot open file");
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}
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while((ch = getc(fp)) != EOF) {
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putchar(ch);
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@ -576,10 +578,8 @@ process_jobs(int argc, char **argv, int what)
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break;
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default:
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fprintf(stderr,
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"Internal error, process_jobs = %d\n",what);
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exit(EXIT_FAILURE);
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break;
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errx(EXIT_FAILURE, "internal error, process_jobs = %d",
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what);
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}
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}
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}
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@ -593,10 +593,7 @@ mymalloc(size_t n)
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{
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void *p;
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if ((p=malloc(n))==(void *)0)
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{
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fprintf(stderr,"Virtual memory exhausted\n");
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exit(EXIT_FAILURE);
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}
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errx(EXIT_FAILURE, "virtual memory exhausted");
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return p;
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}
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@ -623,8 +620,6 @@ main(int argc, char **argv)
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else
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pgm++;
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namep = pgm;
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/* find out what this program is supposed to do
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*/
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if (strcmp(pgm, "atq") == 0) {
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@ -715,10 +710,7 @@ main(int argc, char **argv)
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/* select our program
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*/
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if(!check_permission())
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{
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fprintf(stderr, "You do not have permission to use %s.\n",namep);
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exit(EXIT_FAILURE);
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}
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errx(EXIT_FAILURE, "you do not have permission to use this program");
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switch (program) {
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case ATQ:
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@ -770,7 +762,7 @@ main(int argc, char **argv)
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break;
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default:
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panic("Internal error");
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panic("internal error");
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break;
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}
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exit(EXIT_SUCCESS);
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@ -3,7 +3,7 @@
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.Dt "AT" 1
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.Os FreeBSD 2.1
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.Sh NAME
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.Nm at, batch, atq, atrm
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.Nm at , batch , atq , atrm
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.Nd queue, examine or delete jobs for later execution
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.Sh SYNOPSIS
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.Nm at
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@ -12,7 +12,6 @@
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.Op Fl f Ar file
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.Op Fl mldbv
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.Ar time
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.Pp
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.Nm at
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.Op Fl V
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.Fl c Ar job Op Ar job ...
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@ -64,15 +63,15 @@ or
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to run a job at a specific time of day.
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(If that time is already past, the next day is assumed.)
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You may also specify
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.Nm midnight ,
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.Nm noon ,
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.Em midnight ,
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.Em noon ,
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or
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.Nm teatime
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.Em teatime
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(4pm)
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and you can have a time-of-day suffixed with
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.Nm AM
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.Em AM
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or
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.Nm PM
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.Em PM
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for running in the morning or the evening.
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You can also say what day the job will be run,
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by giving a date in the form
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@ -88,22 +87,22 @@ or
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The specification of a date must follow the specification of
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the time of day.
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You can also give times like
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.Op Nm now
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.Nm + Ar count \%time-units ,
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.Op Em now
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.Em + Ar count \%time-units ,
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where the time-units can be
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.Nm minutes ,
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.Nm hours ,
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.Nm days ,
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.Nm weeks ,
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.Nm months
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.Em minutes ,
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.Em hours ,
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.Em days ,
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.Em weeks ,
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.Em months
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or
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.Nm years
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.Em years
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and you can tell
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.Nm at
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.Nm
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to run the job today by suffixing the time with
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.Nm today
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.Em today
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and to run the job tomorrow by suffixing the time with
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.Nm tomorrow.
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.Em tomorrow .
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.Pp
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For example, to run a job at 4pm three days from now, you would do
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.Nm at 4pm + 3 days ,
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@ -113,7 +112,7 @@ and to run a job at 1am tomorrow, you would do
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.Nm at 1am tomorrow.
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.Pp
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For both
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.Nm at
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.Nm
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and
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.Nm batch ,
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commands are read from standard input or the file specified
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@ -121,16 +120,16 @@ with the
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.Fl f
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option and executed.
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The working directory, the environment (except for the variables
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.Nm TERM ,
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.Nm TERMCAP ,
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.Nm DISPLAY
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.Ev TERM ,
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.Ev TERMCAP ,
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.Ev DISPLAY
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and
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.Nm _ )
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.Em _ )
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and the
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.Ar umask
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are retained from the time of invocation.
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An
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.Nm at
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.Nm
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or
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.Nm batch
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command invoked from a
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@ -140,7 +139,7 @@ The user will be mailed standard error and standard output from his
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commands, if any. Mail will be sent using the command
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.Xr sendmail 8 .
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If
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.Nm at
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.Nm
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is executed from a
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.Xr su 1
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shell, the owner of the login shell will receive the mail.
|
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@ -154,7 +153,7 @@ and
|
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If the file
|
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.Pa _PERM_PATH/at.allow
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exists, only usernames mentioned in it are allowed to use
|
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.Nm at .
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.Nm Ns .
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.Pp
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If
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.Pa _PERM_PATH/at.allow
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@ -162,10 +161,10 @@ does not exist,
|
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.Pa _PERM_PATH/at.deny
|
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is checked, every username not mentioned in it is then allowed
|
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to use
|
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.Nm at .
|
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.Nm Ns .
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.Pp
|
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If neither exists, only the superuser is allowed use of
|
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.Nm at .
|
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.Nm Ns .
|
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This is the default configuration.
|
||||
.Pp
|
||||
An empty
|
||||
@ -174,24 +173,24 @@ means that every user is allowed use these commands.
|
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.Sh OPTIONS
|
||||
.Bl -tag -width indent
|
||||
.It Fl V
|
||||
prints the version number to standard error.
|
||||
Print the version number to standard error.
|
||||
.It Fl q Ar queue
|
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uses the specified queue.
|
||||
Use the specified queue.
|
||||
A queue designation consists of a single letter; valid queue designations
|
||||
range from
|
||||
.Nm a
|
||||
.Ar a
|
||||
to
|
||||
.Nm z .
|
||||
.Ar z .
|
||||
and
|
||||
.Nm A
|
||||
.Ar A
|
||||
to
|
||||
.Nm Z .
|
||||
.Ar Z .
|
||||
The
|
||||
.Nm _DEFAULT_AT_QUEUE
|
||||
.Ar _DEFAULT_AT_QUEUE
|
||||
queue is the default for
|
||||
.Nm at
|
||||
.Nm
|
||||
and the
|
||||
.Nm _DEFAULT_BATCH_QUEUE
|
||||
.Ar _DEFAULT_BATCH_QUEUE
|
||||
queue for
|
||||
.Nm batch .
|
||||
Queues with higher letters run with increased niceness.
|
||||
@ -204,39 +203,39 @@ is given a specific queue, it will only show jobs pending in that queue.
|
||||
Send mail to the user when the job has completed even if there was no
|
||||
output.
|
||||
.It Fl f Ar file
|
||||
Reads the job from
|
||||
Read the job from
|
||||
.Ar file
|
||||
rather than standard input.
|
||||
.It Fl l
|
||||
Is an alias for
|
||||
.Nm atq.
|
||||
.Nm atq .
|
||||
.It Fl d
|
||||
Is an alias for
|
||||
.Nm atrm.
|
||||
.Nm atrm .
|
||||
.It Fl b
|
||||
Is an alias for
|
||||
.Nm batch.
|
||||
.Nm batch .
|
||||
.It Fl v
|
||||
For
|
||||
.Nm atq ,
|
||||
shows completed but not yet deleted jobs in the queue; otherwise
|
||||
shows the time the job will be executed.
|
||||
.It Fl c
|
||||
Cats the jobs listed on the command line to standard output.
|
||||
Cat the jobs listed on the command line to standard output.
|
||||
.Sh FILES
|
||||
.Bl -tag -width _ATJOB_DIR/_LOCKFILE -compact
|
||||
.It Pa _ATJOB_DIR
|
||||
Directory containing job files
|
||||
directory containing job files
|
||||
.It Pa _ATSPOOL_DIR
|
||||
Directory containing output spool files
|
||||
directory containing output spool files
|
||||
.It Pa /var/run/utmp
|
||||
Login records
|
||||
login records
|
||||
.It Pa _PERM_PATH/at.allow
|
||||
Allow permission control
|
||||
allow permission control
|
||||
.It Pa _PERM_PATH/at.deny
|
||||
Deny permission control
|
||||
deny permission control
|
||||
.It Pa _ATJOB_DIR/_LOCKFILE
|
||||
Job-creation lock file.
|
||||
job-creation lock file
|
||||
.El
|
||||
.Sh SEE ALSO
|
||||
.Xr nice 1 ,
|
||||
@ -246,15 +245,14 @@ Job-creation lock file.
|
||||
.Xr cron 8 ,
|
||||
.Xr sendmail 8
|
||||
.Sh BUGS
|
||||
.Pp
|
||||
If the file
|
||||
.Pa /var/run/utmp
|
||||
is not available or corrupted, or if the user is not logged on at the
|
||||
time
|
||||
.Nm at
|
||||
.Nm
|
||||
is invoked, the mail is sent to the userid found
|
||||
in the environment variable
|
||||
.Nm LOGNAME .
|
||||
.Ev LOGNAME .
|
||||
If that is undefined or empty, the current userid is assumed.
|
||||
.Pp
|
||||
.Nm At
|
||||
@ -264,7 +262,7 @@ as presently implemented are not suitable when users are competing for
|
||||
resources.
|
||||
If this is the case for your site, you might want to consider another
|
||||
batch system, such as
|
||||
.Nm nqs .
|
||||
.Em nqs .
|
||||
.Sh AUTHORS
|
||||
At was mostly written by
|
||||
.An Thomas Koenig Aq ig25@rz.uni-karlsruhe.de .
|
||||
|
||||
@ -23,8 +23,14 @@
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
/* System Headers */
|
||||
|
||||
#include <err.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
@ -35,11 +41,6 @@
|
||||
#include "panic.h"
|
||||
#include "at.h"
|
||||
|
||||
/* File scope variables */
|
||||
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
|
||||
/* External variables */
|
||||
|
||||
/* Global functions */
|
||||
@ -49,11 +50,10 @@ panic(char *a)
|
||||
{
|
||||
/* Something fatal has happened, print error message and exit.
|
||||
*/
|
||||
fprintf(stderr,"%s: %s\n",namep,a);
|
||||
if (fcreated)
|
||||
unlink(atfile);
|
||||
|
||||
exit (EXIT_FAILURE);
|
||||
errx(EXIT_FAILURE, "%s", a);
|
||||
}
|
||||
|
||||
void
|
||||
@ -61,11 +61,13 @@ perr(char *a)
|
||||
{
|
||||
/* Some operating system error; print error message and exit.
|
||||
*/
|
||||
perror(a);
|
||||
int serrno = errno;
|
||||
|
||||
if (fcreated)
|
||||
unlink(atfile);
|
||||
|
||||
exit(EXIT_FAILURE);
|
||||
errno = serrno;
|
||||
err(EXIT_FAILURE, "%s", a);
|
||||
}
|
||||
|
||||
void
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* parsetime.c - parse time for at(1)
|
||||
* Copyright (C) 1993, 1994 Thomas Koenig
|
||||
*
|
||||
* modifications for english-language times
|
||||
* modifications for English-language times
|
||||
* Copyright (C) 1993 David Parsons
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
@ -33,10 +33,15 @@
|
||||
* \PLUS NUMBER MINUTES|HOURS|DAYS|WEEKS/
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
/* System Headers */
|
||||
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <ctype.h>
|
||||
#include <err.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
@ -44,7 +49,6 @@
|
||||
#include <string.h>
|
||||
#include <time.h>
|
||||
#include <unistd.h>
|
||||
#include <ctype.h>
|
||||
#ifndef __FreeBSD__
|
||||
#include <getopt.h>
|
||||
#endif
|
||||
@ -143,13 +147,10 @@ static char *sct; /* scanner - next char pointer in current argument */
|
||||
static int need; /* scanner - need to advance to next argument */
|
||||
|
||||
static char *sc_token; /* scanner - token buffer */
|
||||
static size_t sc_len; /* scanner - lenght of token buffer */
|
||||
static size_t sc_len; /* scanner - length of token buffer */
|
||||
static int sc_tokid; /* scanner - token id */
|
||||
static int sc_tokplur; /* scanner - is token plural? */
|
||||
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
|
||||
/* Local functions */
|
||||
|
||||
/*
|
||||
@ -516,7 +517,7 @@ month(struct tm *tm)
|
||||
token();
|
||||
}
|
||||
|
||||
/* flip months and days for european timing
|
||||
/* flip months and days for European timing
|
||||
*/
|
||||
if (sep == DOT) {
|
||||
int x = mday;
|
||||
@ -605,7 +606,7 @@ parsetime(int argc, char **argv)
|
||||
runtime.tm_hour = hr;
|
||||
runtime.tm_min = 0;
|
||||
token();
|
||||
/* fall through to month setting */
|
||||
/* FALLTHROUGH to month setting */
|
||||
default:
|
||||
month(&runtime);
|
||||
break;
|
||||
@ -625,7 +626,7 @@ parsetime(int argc, char **argv)
|
||||
panic("garbled time");
|
||||
|
||||
if (nowtimer > runtimer)
|
||||
panic("Trying to travel back in time");
|
||||
panic("trying to travel back in time");
|
||||
|
||||
return runtimer;
|
||||
} /* parsetime */
|
||||
|
||||
@ -23,9 +23,15 @@
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
/* System Headers */
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <err.h>
|
||||
#include <errno.h>
|
||||
#include <pwd.h>
|
||||
#include <stddef.h>
|
||||
@ -45,11 +51,6 @@
|
||||
|
||||
/* Structures and unions */
|
||||
|
||||
|
||||
/* File scope variables */
|
||||
|
||||
static const char rcsid[] = "$FreeBSD$";
|
||||
|
||||
/* Function declarations */
|
||||
|
||||
static int check_for_user(FILE *fp,const char *name);
|
||||
@ -89,10 +90,7 @@ int check_permission()
|
||||
return 1;
|
||||
|
||||
if ((pentry = getpwuid(uid)) == NULL)
|
||||
{
|
||||
perror("Cannot access user database");
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
err(EXIT_FAILURE, "cannot access user database");
|
||||
|
||||
PRIV_START
|
||||
|
||||
@ -118,9 +116,9 @@ int check_permission()
|
||||
return !check_for_user(fp, pentry->pw_name);
|
||||
}
|
||||
else if (errno != ENOENT)
|
||||
perror("at.deny");
|
||||
warn("at.deny");
|
||||
}
|
||||
else
|
||||
perror("at.allow");
|
||||
warn("at.allow");
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -21,6 +21,8 @@
|
||||
* THEORY OF LIABILITY, WETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _PRIVS_H
|
||||
@ -37,7 +39,7 @@
|
||||
/* Relinquish privileges temporarily for a setuid or setgid program
|
||||
* with the option of getting them back later. This is done by swapping
|
||||
* the real and effective userid BSD style. Call RELINQUISH_PRIVS once
|
||||
* at the beginning of the main program. This will cause all operatons
|
||||
* at the beginning of the main program. This will cause all operations
|
||||
* to be executed with the real userid. When you need the privileges
|
||||
* of the setuid/setgid invocation, call PRIV_START; when you no longer
|
||||
* need it, call PRIV_END. Note that it is an error to call PRIV_START
|
||||
@ -59,7 +61,7 @@
|
||||
* It is NOT safe to call exec(), system() or popen() with a user-
|
||||
* supplied program (i.e. without carefully checking PATH and any
|
||||
* library load paths) with relinquished privileges; the called program
|
||||
* can aquire them just as easily. Set both effective and real userid
|
||||
* can acquire them just as easily. Set both effective and real userid
|
||||
* to the real userid before calling any of them.
|
||||
*/
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user