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allow configuration of Shell in lcdexec.conf;

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fall back to $SHELL if not set, and to /bin/sh if $SHELL is not set
This commit is contained in:
marschap
2006-10-22 13:04:01 +00:00
parent 35afd4bd11
commit 8132527567
5 changed files with 32 additions and 9 deletions
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clients/lcdexec/lcdexec.c
+18 -7
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@@ -46,7 +46,7 @@ char * help_text =
" -s <0|1> Report to syslog (1) or stderr (0, default)\n"
" -h Show this help\n";
char * progname = "lcdexec";
char *progname = "lcdexec";
/* Variables set by config */
#define UNSET_INT -1
@@ -58,6 +58,7 @@ int foreground_mode = UNSET_INT;
static int report_level = UNSET_INT;
static int report_dest = UNSET_INT;
char *displayname = NULL;
char *default_shell = NULL;
MenuEntry *main_menu;
@@ -206,6 +207,21 @@ int process_configfile(char *configfile)
if ((tmp = config_get_string(progname, "DisplayName", 0, NULL)) != NULL)
displayname = strdup(tmp);
/* try to find a shell that understands the -c COMMAND syntax */
if ((tmp = config_get_string(progname, "Shell", 0, NULL)) != NULL)
default_shell = strdup(tmp);
else {
/* 1st fallback: SHELL environment variable */
report(RPT_WARNING, "Shell not set in configuration, falling back to variable SHELL");
default_shell = getenv("SHELL");
/* 2nd fallback: /bin/sh */
if (default_shell == NULL) {
report(RPT_WARNING, "variable SHELL not set, falling back to /bin/sh");
default_shell = "/bin/sh";
}
}
main_menu = menu_read(NULL, "MainMenu");
#if defined(DEBUG)
menu_dump(main_menu);
@@ -316,16 +332,11 @@ int exec_command(MenuEntry *cmd)
report(RPT_NOTICE, "Executing: %s", command);
argv[0] = getenv("SHELL");
argv[0] = default_shell;
argv[1] = "-c";
argv[2] = command;
argv[3] = NULL;
if (!argv[0]) {
report(RPT_ERR, "SHELL environment variable not set.");
return -1;
}
switch (fork()) {
case 0:
/* We're the child. Execute the command. */