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Fix crash on invalid command line arguments:

Browse Source 
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=435651
This commit is contained in:
Hisham Muhammad 2007-08-10 06:13:13 +00:00
parent e685bdeea0
commit f356997269
2 changed files with 21 additions and 15 deletions
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34
htop.c
View File

@ -208,32 +208,38 @@ int main(int argc, char** argv) {
uid_t userId = 0;
int sortKey = 0;
if (argc > 0) {
if (String_eq(argv[1], "--help")) {
int arg = 1;
while (arg < argc) {
if (String_eq(argv[arg], "--help")) {
printHelpFlag();
} else if (String_eq(argv[1], "--version")) {
} else if (String_eq(argv[arg], "--version")) {
printVersionFlag();
} else if (String_eq(argv[1], "--sort-key")) {
if (argc < 2) printHelpFlag();
if (String_eq(argv[2], "help")) {
} else if (String_eq(argv[arg], "--sort-key")) {
if (arg == argc - 1) printHelpFlag();
arg++;
char* field = argv[arg];
if (String_eq(field, "help")) {
for (int j = 1; j < LAST_PROCESSFIELD; j++)
printf ("%s\n", Process_fieldNames[j]);
exit(0);
}
sortKey = ColumnsPanel_fieldNameToIndex(argv[2]);
sortKey = ColumnsPanel_fieldNameToIndex(field);
if (sortKey == -1) {
fprintf(stderr, "Error: invalid column \"%s\".\n", argv[2]);
fprintf(stderr, "Error: invalid column \"%s\".\n", field);
exit(1);
}
} else if (String_eq(argv[1], "-d")) {
if (argc < 2) printHelpFlag();
sscanf(argv[2], "%d", &delay);
} else if (String_eq(argv[arg], "-d")) {
if (arg == argc - 1) printHelpFlag();
arg++;
sscanf(argv[arg], "%d", &delay);
if (delay < 1) delay = 1;
if (delay > 100) delay = 100;
} else if (String_eq(argv[1], "-u")) {
if (argc < 2) printHelpFlag();
setUserOnly(argv[2], &userOnly, &userId);
} else if (String_eq(argv[arg], "-u")) {
if (arg == argc - 1) printHelpFlag();
arg++;
setUserOnly(argv[arg], &userOnly, &userId);
}
arg++;
}
if (access(PROCDIR, R_OK) != 0) {

2
htop.h
View File

@ -41,7 +41,7 @@ void printVersionFlag();
void printHelpFlag();
void showHelp();
void showHelp(ProcessList* pl);
void addUserToList(int key, void* userCast, void* panelCast);