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Lines 112-118
static void startup(void);
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| 112 |
static void chkhost(struct sockaddr *_f, int _ch_opts); |
112 |
static void chkhost(struct sockaddr *_f, int _ch_opts); |
| 113 |
static int ckqueue(struct printer *_pp); |
113 |
static int ckqueue(struct printer *_pp); |
| 114 |
static void fhosterr(int _ch_opts, char *_sysmsg, char *_usermsg); |
114 |
static void fhosterr(int _ch_opts, char *_sysmsg, char *_usermsg); |
| 115 |
static int *socksetup(int _af, int _debuglvl); |
115 |
static int *socksetup(int af, size_t blist_size, char *blist[blist_size], int debuglvl); |
| 116 |
static void usage(void); |
116 |
static void usage(void); |
| 117 |
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117 |
|
| 118 |
/* XXX from libc/net/rcmd.c */ |
118 |
/* XXX from libc/net/rcmd.c */ |
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Lines 144-157
main(int argc, char **argv)
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| 144 |
socket_debug = 0; |
144 |
socket_debug = 0; |
| 145 |
gethostname(local_host, sizeof(local_host)); |
145 |
gethostname(local_host, sizeof(local_host)); |
| 146 |
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146 |
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|
147 |
char **blist = NULL; |
| 148 |
size_t blist_size = 0; |
| 149 |
|
| 147 |
progname = "lpd"; |
150 |
progname = "lpd"; |
| 148 |
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151 |
|
| 149 |
if (euid != 0) |
152 |
if (euid != 0) |
| 150 |
errx(EX_NOPERM,"must run as root"); |
153 |
errx(EX_NOPERM,"must run as root"); |
| 151 |
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154 |
|
| 152 |
errs = 0; |
155 |
errs = 0; |
| 153 |
while ((i = getopt(argc, argv, "cdlpswW46")) != -1) |
156 |
while ((i = getopt(argc, argv, "b:cdlpswW46")) != -1) |
| 154 |
switch (i) { |
157 |
switch (i) { |
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|
158 |
case 'b': |
| 159 |
/* add bind address to list. */ |
| 160 |
blist_size++; |
| 161 |
blist = realloc(blist, sizeof (char *) * blist_size); |
| 162 |
|
| 163 |
if (blist == NULL) |
| 164 |
errx(EX_SOFTWARE, "Could not allocate memory for bind list."); |
| 165 |
|
| 166 |
blist[blist_size-1] = optarg; |
| 167 |
fprintf(stderr,"made it.\n"); |
| 168 |
break; |
| 169 |
|
| 155 |
case 'c': |
170 |
case 'c': |
| 156 |
/* log all kinds of connection-errors to syslog */ |
171 |
/* log all kinds of connection-errors to syslog */ |
| 157 |
ch_options |= LPD_LOGCONNERR; |
172 |
ch_options |= LPD_LOGCONNERR; |
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Lines 204-210
main(int argc, char **argv)
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| 204 |
* listed here to "reserve" them, because the option-letters |
219 |
* listed here to "reserve" them, because the option-letters |
| 205 |
* are used by either NetBSD or OpenBSD (as of July 2001). |
220 |
* are used by either NetBSD or OpenBSD (as of July 2001). |
| 206 |
*/ |
221 |
*/ |
| 207 |
case 'b': /* set bind-addr */ |
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|
| 208 |
case 'n': /* set max num of children */ |
222 |
case 'n': /* set max num of children */ |
| 209 |
case 'r': /* allow 'of' for remote ptrs */ |
223 |
case 'r': /* allow 'of' for remote ptrs */ |
| 210 |
/* ...[not needed in freebsd] */ |
224 |
/* ...[not needed in freebsd] */ |
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Lines 220-231
main(int argc, char **argv)
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| 220 |
usage(); |
234 |
usage(); |
| 221 |
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235 |
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| 222 |
if (argc == 1) { |
236 |
if (argc == 1) { |
| 223 |
if ((i = atoi(argv[0])) == 0) |
237 |
int requested_port = atoi(argv[0]); |
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|
238 |
if (requested_port == 0) |
| 224 |
usage(); |
239 |
usage(); |
| 225 |
if (i < 0 || i > USHRT_MAX) |
240 |
if (requested_port < 0 || i > USHRT_MAX) |
| 226 |
errx(EX_USAGE, "port # %d is invalid", i); |
241 |
errx(EX_USAGE, "port # %d is invalid", requested_port); |
| 227 |
|
242 |
|
| 228 |
serv.s_port = htons(i); |
243 |
serv.s_port = htons(requested_port); |
| 229 |
sp = &serv; |
244 |
sp = &serv; |
| 230 |
argc--; |
245 |
argc--; |
| 231 |
} else { |
246 |
} else { |
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Lines 339-345
main(int argc, char **argv)
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| 339 |
FD_SET(funix, &defreadfds); |
354 |
FD_SET(funix, &defreadfds); |
| 340 |
listen(funix, 5); |
355 |
listen(funix, 5); |
| 341 |
if (sflag == 0) { |
356 |
if (sflag == 0) { |
| 342 |
finet = socksetup(family, socket_debug); |
357 |
finet = socksetup(family, blist_size, blist, socket_debug); |
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|
358 |
|
| 359 |
/* Now we're done with blist. */ |
| 360 |
if (blist) |
| 361 |
free(blist); |
| 343 |
} else |
362 |
} else |
| 344 |
finet = NULL; /* pretend we couldn't open TCP socket. */ |
363 |
finet = NULL; /* pretend we couldn't open TCP socket. */ |
| 345 |
if (finet) { |
364 |
if (finet) { |
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Lines 855-861
fhosterr(int ch_opts, char *sysmsg, char *usermsg)
Link Here
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| 855 |
/* if af is PF_UNSPEC more than one socket may be returned */ |
874 |
/* if af is PF_UNSPEC more than one socket may be returned */ |
| 856 |
/* the returned list is dynamically allocated, so caller needs to free it */ |
875 |
/* the returned list is dynamically allocated, so caller needs to free it */ |
| 857 |
static int * |
876 |
static int * |
| 858 |
socksetup(int af, int debuglvl) |
877 |
socksetup(int af, size_t blist_size, char *blist[blist_size], int debuglvl) |
| 859 |
{ |
878 |
{ |
| 860 |
struct addrinfo hints, *res, *r; |
879 |
struct addrinfo hints, *res, *r; |
| 861 |
int error, maxs, *s, *socks; |
880 |
int error, maxs, *s, *socks; |
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Lines 865-922
socksetup(int af, int debuglvl)
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| 865 |
hints.ai_flags = AI_PASSIVE; |
884 |
hints.ai_flags = AI_PASSIVE; |
| 866 |
hints.ai_family = af; |
885 |
hints.ai_family = af; |
| 867 |
hints.ai_socktype = SOCK_STREAM; |
886 |
hints.ai_socktype = SOCK_STREAM; |
| 868 |
error = getaddrinfo(NULL, "printer", &hints, &res); |
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| 869 |
if (error) { |
| 870 |
syslog(LOG_ERR, "%s", gai_strerror(error)); |
| 871 |
mcleanup(0); |
| 872 |
} |
| 873 |
|
887 |
|
| 874 |
/* Count max number of sockets we may open */ |
888 |
if (blist_size == 0 || blist == NULL) { |
| 875 |
for (maxs = 0, r = res; r; r = r->ai_next, maxs++) |
889 |
blist_size = 1; |
| 876 |
; |
890 |
blist = (char *[]){ "0.0.0.0" }; |
| 877 |
socks = malloc((maxs + 1) * sizeof(int)); |
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|
| 878 |
if (!socks) { |
| 879 |
syslog(LOG_ERR, "couldn't allocate memory for sockets"); |
| 880 |
mcleanup(0); |
| 881 |
} |
891 |
} |
| 882 |
|
892 |
|
| 883 |
*socks = 0; /* num of sockets counter at start of array */ |
893 |
for (size_t baddr = 0; baddr < blist_size; baddr++ ) { |
| 884 |
s = socks + 1; |
894 |
error = getaddrinfo(blist[baddr], "printer", &hints, &res); |
| 885 |
for (r = res; r; r = r->ai_next) { |
895 |
if (error) { |
| 886 |
*s = socket(r->ai_family, r->ai_socktype, r->ai_protocol); |
896 |
syslog(LOG_ERR, "%s", gai_strerror(error)); |
| 887 |
if (*s < 0) { |
897 |
mcleanup(0); |
| 888 |
syslog(LOG_DEBUG, "socket(): %m"); |
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|
| 889 |
continue; |
| 890 |
} |
898 |
} |
| 891 |
if (setsockopt(*s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) |
899 |
|
| 892 |
< 0) { |
900 |
/* Count max number of sockets we may open */ |
| 893 |
syslog(LOG_ERR, "setsockopt(SO_REUSEADDR): %m"); |
901 |
for (maxs = 0, r = res; r; r = r->ai_next, maxs++) |
| 894 |
close(*s); |
902 |
; |
| 895 |
continue; |
903 |
socks = malloc((maxs + 1) * sizeof(int)); |
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|
904 |
if (!socks) { |
| 905 |
syslog(LOG_ERR, "couldn't allocate memory for sockets"); |
| 906 |
mcleanup(0); |
| 896 |
} |
907 |
} |
| 897 |
if (debuglvl) |
908 |
|
| 898 |
if (setsockopt(*s, SOL_SOCKET, SO_DEBUG, &debuglvl, |
909 |
*socks = 0; /* num of sockets counter at start of array */ |
| 899 |
sizeof(debuglvl)) < 0) { |
910 |
s = socks + 1; |
| 900 |
syslog(LOG_ERR, "setsockopt (SO_DEBUG): %m"); |
911 |
|
|
|
912 |
for (r = res; r; r = r->ai_next) { |
| 913 |
*s = socket(r->ai_family, r->ai_socktype, r->ai_protocol); |
| 914 |
if (*s < 0) { |
| 915 |
syslog(LOG_DEBUG, "socket(): %m"); |
| 916 |
continue; |
| 917 |
} |
| 918 |
if (setsockopt(*s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) |
| 919 |
< 0) { |
| 920 |
syslog(LOG_ERR, "setsockopt(SO_REUSEADDR): %m"); |
| 901 |
close(*s); |
921 |
close(*s); |
| 902 |
continue; |
922 |
continue; |
| 903 |
} |
923 |
} |
| 904 |
if (r->ai_family == AF_INET6) { |
924 |
if (debuglvl) |
| 905 |
if (setsockopt(*s, IPPROTO_IPV6, IPV6_V6ONLY, |
925 |
if (setsockopt(*s, SOL_SOCKET, SO_DEBUG, &debuglvl, |
| 906 |
&on, sizeof(on)) < 0) { |
926 |
sizeof(debuglvl)) < 0) { |
| 907 |
syslog(LOG_ERR, |
927 |
syslog(LOG_ERR, "setsockopt (SO_DEBUG): %m"); |
| 908 |
"setsockopt (IPV6_V6ONLY): %m"); |
928 |
close(*s); |
|
|
929 |
continue; |
| 930 |
} |
| 931 |
if (r->ai_family == AF_INET6) { |
| 932 |
if (setsockopt(*s, IPPROTO_IPV6, IPV6_V6ONLY, |
| 933 |
&on, sizeof(on)) < 0) { |
| 934 |
syslog(LOG_ERR, |
| 935 |
"setsockopt (IPV6_V6ONLY): %m"); |
| 936 |
close(*s); |
| 937 |
continue; |
| 938 |
} |
| 939 |
} |
| 940 |
if (bind(*s, r->ai_addr, r->ai_addrlen) < 0) { |
| 941 |
syslog(LOG_DEBUG, "bind(): %m"); |
| 909 |
close(*s); |
942 |
close(*s); |
| 910 |
continue; |
943 |
continue; |
| 911 |
} |
944 |
} |
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|
945 |
(*socks)++; |
| 946 |
s++; |
| 912 |
} |
947 |
} |
| 913 |
if (bind(*s, r->ai_addr, r->ai_addrlen) < 0) { |
|
|
| 914 |
syslog(LOG_DEBUG, "bind(): %m"); |
| 915 |
close(*s); |
| 916 |
continue; |
| 917 |
} |
| 918 |
(*socks)++; |
| 919 |
s++; |
| 920 |
} |
948 |
} |
| 921 |
|
949 |
|
| 922 |
if (res) |
950 |
if (res) |