Top level directory reorg
Move src/po -> po Combine common and compat -> lib/util Move zlib -> lib/zlib
This commit is contained in:
124
lib/util/progname.c
Normal file
124
lib/util/progname.c
Normal file
@@ -0,0 +1,124 @@
|
||||
/*
|
||||
* Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com>
|
||||
*
|
||||
* Permission to use, copy, modify, and distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
|
||||
/* Large files not supported by procfs.h */
|
||||
#if defined(HAVE_PROCFS_H) || defined(HAVE_SYS_PROCFS_H)
|
||||
# undef _FILE_OFFSET_BITS
|
||||
# undef _LARGE_FILES
|
||||
#endif
|
||||
|
||||
#include <sys/types.h>
|
||||
#ifdef HAVE_PSTAT_GETPROC
|
||||
# include <sys/param.h>
|
||||
# include <sys/pstat.h>
|
||||
#endif
|
||||
#if defined(HAVE_PROCFS_H)
|
||||
# include <procfs.h>
|
||||
#elif defined(HAVE_SYS_PROCFS_H)
|
||||
# include <sys/procfs.h>
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#ifdef STDC_HEADERS
|
||||
# include <stdlib.h>
|
||||
# include <stddef.h>
|
||||
#else
|
||||
# ifdef HAVE_STDLIB_H
|
||||
# include <stdlib.h>
|
||||
# endif
|
||||
#endif /* STDC_HEADERS */
|
||||
#ifdef HAVE_STRING_H
|
||||
# include <string.h>
|
||||
#endif /* HAVE_STRING_H */
|
||||
#ifdef HAVE_STRINGS_H
|
||||
# include <strings.h>
|
||||
#endif /* HAVE_STRINGS_H */
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
#include "missing.h"
|
||||
#include "sudo_util.h"
|
||||
|
||||
#if defined(HAVE_GETPROGNAME) || defined(HAVE___PROGNAME)
|
||||
|
||||
/* STUB */
|
||||
void
|
||||
initprogname(const char *name)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
static const char *progname = "";
|
||||
|
||||
void
|
||||
initprogname(const char *name)
|
||||
{
|
||||
const char *base;
|
||||
#ifdef HAVE_PSTAT_GETPROC
|
||||
static char ucomm[PST_UCOMMLEN];
|
||||
struct pst_status pstat;
|
||||
int rc;
|
||||
|
||||
/*
|
||||
* Determine the progname from pst_ucomm in struct pst_status.
|
||||
* We may get EOVERFLOW if the whole thing doesn't fit but that is OK.
|
||||
*/
|
||||
rc = pstat_getproc(&pstat, sizeof(pstat), (size_t)0, (int)getpid());
|
||||
if (rc != -1 || errno == EOVERFLOW) {
|
||||
strlcpy(ucomm, pstat.pst_ucomm, sizeof(ucomm));
|
||||
progname = ucomm;
|
||||
return;
|
||||
}
|
||||
#elif defined(HAVE_PROCFS_H) || defined(HAVE_SYS_PROCFS_H)
|
||||
/* XXX - configure check for psinfo.pr_fname */
|
||||
static char ucomm[PRFNSZ];
|
||||
struct psinfo psinfo;
|
||||
char path[PATH_MAX];
|
||||
ssize_t nread;
|
||||
int fd;
|
||||
|
||||
/* Try to determine the tty from pr_ttydev in /proc/pid/psinfo. */
|
||||
snprintf(path, sizeof(path), "/proc/%u/psinfo", (unsigned int)getpid());
|
||||
if ((fd = open(path, O_RDONLY, 0)) != -1) {
|
||||
nread = read(fd, &psinfo, sizeof(psinfo));
|
||||
close(fd);
|
||||
if (nread == (ssize_t)sizeof(psinfo)) {
|
||||
strlcpy(ucomm, psinfo.pr_fname, sizeof(ucomm));
|
||||
progname = ucomm;
|
||||
return;
|
||||
}
|
||||
}
|
||||
#endif /* HAVE_PSTAT_GETPROC */
|
||||
|
||||
if ((base = strrchr(name, '/')) != NULL) {
|
||||
base++;
|
||||
} else {
|
||||
base = name;
|
||||
}
|
||||
progname = base;
|
||||
}
|
||||
|
||||
const char *
|
||||
getprogname(void)
|
||||
{
|
||||
return progname;
|
||||
}
|
||||
|
||||
#endif /* !HAVE_GETPROGNAME && !HAVE___PROGNAME */
|
Reference in New Issue
Block a user