32 lines
1.2 KiB
Diff
32 lines
1.2 KiB
Diff
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Index: tcp_wrappers_7.6/safe_finger.c
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===================================================================
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--- tcp_wrappers_7.6.orig/safe_finger.c
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+++ tcp_wrappers_7.6/safe_finger.c
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@@ -32,12 +32,10 @@ static char sccsid[] = "@(#) safe_finger
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/* Local stuff */
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-char path[] = "PATH=/bin:/usr/bin:/usr/sbin";
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-
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#define TIME_LIMIT 60 /* Do not keep listinging forever */
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#define INPUT_LENGTH 100000 /* Do not keep listinging forever */
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#define LINE_LENGTH 128 /* Editors can choke on long lines */
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-#define FINGER_PROGRAM "finger" /* Most, if not all, UNIX systems */
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+#define FINGER_PROGRAM "/usr/bin/finger" /* Most, if not all, UNIX systems */
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#define UNPRIV_NAME "nobody" /* Preferred privilege level */
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#define UNPRIV_UGID 32767 /* Default uid and gid */
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@@ -76,9 +74,9 @@ int main(int argc, char **argv)
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/*
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* Redirect our standard input through the raw finger command.
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*/
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- if (putenv(path)) {
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- fprintf(stderr, "%s: putenv: out of memory", argv[0]);
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- exit(1);
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+ if (access(FINGER_PROGRAM, X_OK) != 0) {
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+ printf("Can not execute " FINGER_PROGRAM ". Please install 'finger' package.\n");
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+ return 1;
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}
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argv[0] = FINGER_PROGRAM;
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finger_pid = pipe_stdin(argv);
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