summaryrefslogtreecommitdiff
path: root/usr/src/lib/libcmd/common/pathchk.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr/src/lib/libcmd/common/pathchk.c')
-rw-r--r--usr/src/lib/libcmd/common/pathchk.c154
1 files changed, 87 insertions, 67 deletions
diff --git a/usr/src/lib/libcmd/common/pathchk.c b/usr/src/lib/libcmd/common/pathchk.c
index 7b0151d69c..ef27bd2788 100644
--- a/usr/src/lib/libcmd/common/pathchk.c
+++ b/usr/src/lib/libcmd/common/pathchk.c
@@ -1,7 +1,7 @@
/***********************************************************************
* *
* This software is part of the ast package *
-* Copyright (c) 1992-2008 AT&T Intellectual Property *
+* Copyright (c) 1992-2009 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
@@ -26,44 +26,50 @@
*/
static const char usage[] =
-"[-?\n@(#)$Id: pathchk (AT&T Research) 2006-09-19 $\n]"
+"[-?\n@(#)$Id: pathchk (AT&T Research) 2009-07-24 $\n]"
USAGE_LICENSE
"[+NAME?pathchk - check pathnames for portability]"
-"[+DESCRIPTION?\bpathchk\b checks each \apathname\a to see if it "
- "is valid and/or portable. A \apathname\a is valid if it "
- "can be used to access or create a file without causing syntax "
- "errors. A file is portable, if no truncation will result on "
- "any conforming POSIX.1 implementation.]"
+"[+DESCRIPTION?\bpathchk\b checks each \apathname\a to see if it is "
+ "valid and/or portable. A \apathname\a is valid if it can be used to "
+ "access or create a file without causing syntax errors. A file is "
+ "portable if no truncation will result on any conforming POSIX.1 "
+ "implementation.]"
"[+?By default \bpathchk\b checks each component of each \apathname\a "
- "based on the underlying file system. A diagnostic is written "
- "to standard error for each pathname that:]{"
- "[+-?Is longer than \b$(getconf PATH_MAX)\b bytes.]"
- "[+-?Contains any component longer than \b$(getconf NAME_MAX)\b bytes.]"
- "[+-?Contains any directory component in a directory that is "
- "not searchable.]"
- "[+-?Contains any character in any component that is not valid in "
- "its containing directory.]"
- "[+-?Is empty.]"
- "}"
-"[p:portability?Instead of performing length checks on the underlying "
- "file system, write a diagnostic for each pathname operand that:]{"
- "[+-?Is longer than \b$(getconf _POSIX_PATH_MAX)\b bytes.]"
- "[+-?Contains any component longer than "
- "\b$(getconf _POSIX_NAME_MAX)\b bytes.]"
+ "based on the underlying file system. A diagnostic is written to "
+ "standard error for each pathname that:]"
+ "{"
+ "[+-?Is longer than \b$(getconf PATH_MAX)\b bytes.]"
+ "[+-?Contains any component longer than \b$(getconf NAME_MAX)\b "
+ "bytes.]"
+ "[+-?Contains any directory component in a directory that is not "
+ "searchable.]"
+ "[+-?Contains any character in any component that is not valid "
+ "in its containing directory.]"
+ "[+-?Is empty.]"
+ "}"
+"[p:components?Instead of performing length checks on the underlying "
+ "file system, write a diagnostic for each pathname operand that:]"
+ "{"
+ "[+-?Is longer than \b$(getconf _POSIX_PATH_MAX)\b bytes.]"
+ "[+-?Contains any component longer than \b$(getconf "
+ "_POSIX_NAME_MAX)\b bytes.]"
"[+-?Contains any character in any component that is not in the "
- "portable filename character set.]"
-#if 0
- "[+-?Contains any component with \b-\b as the first character.]"
-#endif
- "[+-?Is empty.]"
- "}"
+ "portable filename character set.]"
+ "}"
+"[P:path?Write a diagnostic for each pathname operand that:]"
+ "{"
+ "[+-?Contains any component with \b-\b as the first character.]"
+ "[+-?Is empty.]"
+ "}"
+"[a:all|portability?Equivalent to \b--components\b \b--path\b.]"
"\n"
"\npathname ...\n"
"\n"
-"[+EXIT STATUS?]{"
+"[+EXIT STATUS?]"
+ "{"
"[+0?All \apathname\a operands passed all of the checks.]"
"[+>0?An error occurred.]"
-"}"
+ "}"
"[+SEE ALSO?\bgetconf\b(1), \bcreat\b(2), \bpathchk\b(2)]"
;
@@ -71,6 +77,9 @@ USAGE_LICENSE
#include <cmd.h>
#include <ls.h>
+#define COMPONENTS 0x1
+#define PATH 0x2
+
#define isport(c) (((c)>='a' && (c)<='z') || ((c)>='A' && (c)<='Z') || ((c)>='0' && (c)<='9') || (strchr("._-",(c))!=0) )
/*
@@ -82,10 +91,10 @@ static long mypathconf(const char *path, int op)
static const char* const ops[] = { "NAME_MAX", "PATH_MAX" };
- errno=0;
- if((r=strtol(astconf(ops[op], path, NiL), NiL, 0))<0 && errno==0)
- return(LONG_MAX);
- return(r);
+ errno = 0;
+ if ((r = strtol(astconf(ops[op], path, NiL), NiL, 0)) < 0 && !errno)
+ return LONG_MAX;
+ return r;
}
/*
@@ -100,10 +109,11 @@ static int pathchk(char* path, int mode)
if(!*path)
{
- error(2,"path is empty");
- return(0);
+ if (mode & PATH)
+ error(2,"path is empty");
+ return -1;
}
- if(mode)
+ if(mode & COMPONENTS)
{
name_max = _POSIX_NAME_MAX;
path_max = _POSIX_PATH_MAX;
@@ -177,7 +187,7 @@ static int pathchk(char* path, int mode)
else if(errno==ENAMETOOLONG)
{
error(2,"%s: pathname too long",path);
- return(0);
+ return -1;
}
#endif /*ENAMETOOLONG*/
else
@@ -186,18 +196,18 @@ static int pathchk(char* path, int mode)
}
while(*(cpold=cp))
{
- if(mode && *cp == '-')
+ if((mode & PATH) && *cp == '-')
{
error(2,"%s: path component begins with '-'",path,fmtquote(buf, NiL, "'", 1, 0));
- return(0);
+ return -1;
}
while((c= *cp++) && c!='/')
- if(mode && !isport(c))
+ if((mode & COMPONENTS) && !isport(c))
{
buf[0] = c;
buf[1] = 0;
error(2,"%s: '%s' not in portable character set",path,fmtquote(buf, NiL, "'", 1, 0));
- return(0);
+ return -1;
}
if((cp-cpold) > name_max)
goto err;
@@ -208,41 +218,51 @@ static int pathchk(char* path, int mode)
}
if((cp-path) >= path_max)
{
- error(2,"%s: pathname too long",path);
- return(0);
+ error(2, "%s: pathname too long", path);
+ return -1;
}
- return(1);
-err:
- error(2,"%s: component name %.*s too long",path,cp-cpold-1,cpold);
- return(0);
+ return 0;
+ err:
+ error(2, "%s: component name %.*s too long", path, cp-cpold-1, cpold);
+ return -1;
}
int
b_pathchk(int argc, char** argv, void* context)
{
- register int n, mode=0;
- register char *cp;
+ register int n;
+ register int mode = 0;
+ register char* s;
cmdinit(argc, argv, context, ERROR_CATALOG, 0);
- while (n = optget(argv, usage)) switch (n)
+ for (;;)
{
- case 'p':
- mode = 1;
- break;
- case ':':
- error(2, "%s", opt_info.arg);
- break;
- case '?':
- error(ERROR_usage(2), "%s", opt_info.arg);
+ switch (optget(argv, usage))
+ {
+ case 0:
+ break;
+ case 'a':
+ mode |= COMPONENTS|PATH;
+ continue;
+ case 'p':
+ mode |= COMPONENTS;
+ continue;
+ case 'P':
+ mode |= PATH;
+ continue;
+ case ':':
+ error(2, "%s", opt_info.arg);
+ continue;
+ case '?':
+ error(ERROR_usage(2), "%s", opt_info.arg);
+ continue;
+ }
break;
}
argv += opt_info.index;
- if(*argv==0 || error_info.errors)
- error(ERROR_usage(2),"%s", optusage((char*)0));
- while(cp = *argv++)
- {
- if(!pathchk(cp,mode))
- error_info.errors=1;
- }
- return(error_info.errors);
+ if (!*argv || error_info.errors)
+ error(ERROR_usage(2),"%s", optusage(NiL));
+ while (s = *argv++)
+ pathchk(s, mode);
+ return error_info.errors != 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-16 17:52:49 +0000