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If there is no session or terminal group ID, pass the plugin a value of 0.

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This behavior already matches what is documented in the sudo_plugin
manual for "sid" but the "tcpgid" entry needed to be updated.
This commit is contained in:
Todd C. Miller
2019-11-18 16:25:52 -07:00
parent d10220162d
commit 368e12b0f9
3 changed files with 12 additions and 19 deletions
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25
src/sudo.c
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@@ -521,13 +521,14 @@ get_user_info(struct user_details *ud)
ud->pid = getpid();
ud->ppid = getppid();
ud->pgid = getpgid(0);
ud->tcpgid = -1;
fd = open(_PATH_TTY, O_RDWR);
if (fd != -1) {
ud->tcpgid = tcgetpgrp(fd);
if ((ud->tcpgid = tcgetpgrp(fd)) == -1)
ud->tcpgid = 0;
close(fd);
}
ud->sid = getsid(0);
if ((ud->sid = getsid(0)) == -1)
ud->sid = 0;
ud->uid = getuid();
ud->euid = geteuid();
@@ -560,18 +561,12 @@ get_user_info(struct user_details *ud)
goto oom;
if (asprintf(&user_info[++i], "ppid=%d", (int)ud->ppid) == -1)
goto oom;
if (ud->pgid != -1) {
if (asprintf(&user_info[++i], "pgid=%d", (int)ud->pgid) == -1)
goto oom;
}
if (ud->tcpgid != -1) {
if (asprintf(&user_info[++i], "tcpgid=%d", (int)ud->tcpgid) == -1)
goto oom;
}
if (ud->sid != -1) {
if (asprintf(&user_info[++i], "sid=%d", (int)ud->sid) == -1)
goto oom;
}
if (asprintf(&user_info[++i], "pgid=%d", (int)ud->pgid) == -1)
goto oom;
if (asprintf(&user_info[++i], "tcpgid=%d", (int)ud->tcpgid) == -1)
goto oom;
if (asprintf(&user_info[++i], "sid=%d", (int)ud->sid) == -1)
goto oom;
if (asprintf(&user_info[++i], "uid=%u", (unsigned int)ud->uid) == -1)
goto oom;
if (asprintf(&user_info[++i], "euid=%u", (unsigned int)ud->euid) == -1)