mirror of
https://github.com/xcat2/xcat-dep.git
synced 2024-11-27 03:39:11 +00:00
317 lines
11 KiB
Diff
317 lines
11 KiB
Diff
diff -purN yaboot-1.3.14.orig/include/file.h yaboot-1.3.14/include/file.h
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--- yaboot-1.3.14.orig/include/file.h 2009-10-15 11:39:01.112642471 +1100
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+++ yaboot-1.3.14/include/file.h 2009-10-15 15:29:04.692654961 +1100
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@@ -45,6 +45,7 @@ struct boot_fspec_t {
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char* giaddr; /* Gateway address */
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char* bootp_retries; /* Bootp retries */
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char* tftp_retries; /* TFTP retries */
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+ char* subnetmask; /* Subnet mask */
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char* addl_params; /* copy all additional parameters */
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/* Following fields are used only in ipv6 format */
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diff -purN yaboot-1.3.14.orig/include/prom.h yaboot-1.3.14/include/prom.h
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--- yaboot-1.3.14.orig/include/prom.h 2009-10-15 15:23:39.796944672 +1100
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+++ yaboot-1.3.14/include/prom.h 2009-10-15 15:29:04.692654961 +1100
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@@ -153,7 +153,7 @@ struct bootp_packet {
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unsigned char chaddr[16];
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unsigned char sname[64];
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unsigned char file[128];
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- /* vendor options go here if we need them */
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+ unsigned char options[]; /* vendor options */
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};
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struct bootp_packet * prom_get_netinfo (void);
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diff -purN yaboot-1.3.14.orig/second/cfg.c yaboot-1.3.14/second/cfg.c
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--- yaboot-1.3.14.orig/second/cfg.c 2009-10-15 15:23:39.798647660 +1100
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+++ yaboot-1.3.14/second/cfg.c 2009-10-15 15:29:04.693668247 +1100
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@@ -597,6 +597,9 @@ int cfg_set_default_by_mac (char *mac_ad
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char * label = NULL;
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int haslabel = 0;
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+ if (mac_addr == NULL)
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+ return 0;
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+
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/* check if there is an image label equal to mac_addr */
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for (tmp = images; tmp; tmp = tmp->next) {
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label = cfg_get_strg_i (tmp->table, "label");
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diff -purN yaboot-1.3.14.orig/second/file.c yaboot-1.3.14/second/file.c
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--- yaboot-1.3.14.orig/second/file.c 2009-10-15 15:23:39.802647442 +1100
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+++ yaboot-1.3.14/second/file.c 2009-10-15 15:29:04.694645423 +1100
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@@ -51,6 +51,42 @@ ipv4_to_str(__u32 ip)
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return buf;
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}
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+/* FIXME: COMMENT */
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+static char * is_valid_ip_str(char *str)
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+{
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+ int i;
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+ long tmp;
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+ __u32 ip = 0;
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+ char *ptr=str, *endptr;
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+
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+ if (str == NULL)
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+ return NULL;
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+
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+ for (i=0; i<4; i++, ptr = ++endptr) {
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+ tmp = strtol(ptr, &endptr, 10);
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+ if ((tmp & 0xff) != tmp)
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+ return NULL;
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+
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+ /* If we reach the end of the string but we're not in the 4th octet
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+ * we have an invalid IP */
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+ if (*endptr == '\x0' && i!=3)
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+ return NULL;
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+
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+ /* If we have anything other than a NULL or '.' we have an invlaid
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+ * IP */
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+ if (*endptr != '\x0' && *endptr != '.')
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+ return NULL;
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+
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+ ip += (tmp << (24-(i*8)));
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+ }
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+
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+ if (ip == 0 || ip == ~0u)
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+ return NULL;
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+
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+ return str;
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+}
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+
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+
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/*
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* Copy the string from source to dest till newline or comma(,) is seen
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* in the source.
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@@ -130,12 +166,13 @@ extract_ipv4_args(char *imagepath, struc
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* read the arguments in order: siaddr,filename,ciaddr,giaddr,
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* bootp-retries,tftp-retries,addl_prameters
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*/
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- result->siaddr = scopy(&str, &args);
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+ result->siaddr = is_valid_ip_str(scopy(&str, &args));
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result->file = scopy(&str, &args);
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- result->ciaddr = scopy(&str, &args);
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- result->giaddr = scopy(&str, &args);
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+ result->ciaddr = is_valid_ip_str(scopy(&str, &args));
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+ result->giaddr = is_valid_ip_str(scopy(&str, &args));
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result->bootp_retries = scopy(&str, &args);
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result->tftp_retries = scopy(&str, &args);
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+ result->subnetmask = scopy(&str, &args);
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if (*args) {
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result->addl_params = strdup(args);
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if (!result->addl_params)
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@@ -144,6 +181,82 @@ extract_ipv4_args(char *imagepath, struc
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return 1;
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}
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+/* DHCP options */
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+enum dhcp_options {
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+ DHCP_PAD = 0,
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+ DHCP_NETMASK = 1,
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+ DHCP_ROUTERS = 3,
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+ DHCP_DNS = 6,
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+ DHCP_END = 255,
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+};
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+
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+#define DHCP_COOKIE 0x63825363
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+#define DHCP_COOKIE_SIZE 4
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+
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+/*
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+ * FIXME: COMMENT
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+ */
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+static void
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+extract_vendor_options(struct bootp_packet *packet, struct boot_fspec_t *result)
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+{
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+ int i = 0;
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+ __u32 cookie;
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+ __u8 *options = &packet->options[0];
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+
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+ memcpy(&cookie, &options[i], DHCP_COOKIE_SIZE);
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+
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+ if (cookie != DHCP_COOKIE) {
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+ prom_printf("EEEK! cookie is fubar got %08x expected %08x\n",
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+ cookie, DHCP_COOKIE);
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+ return;
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+ }
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+
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+ i += DHCP_COOKIE_SIZE;
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+
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+ /* FIXME: It may be possible to run off the end of a packet here /if/
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+ * it's malformed. :( */
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+ while (options[i] != DHCP_END) {
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+ __u8 tag = options[i++], len;
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+ __u32 value;
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+
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+ if (tag == DHCP_PAD)
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+ continue;
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+
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+ len = options[i++];
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+ memcpy(&value, &options[i], len);
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+
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+#if DEBUG
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+{
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+ DEBUG_F("tag=%2d, len=%2d, data=", tag, len);
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+ int j;
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+ for (j=0; j<len; j++)
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+ prom_printf("%02x", options[i+j]);
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+ prom_printf("\n");
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+}
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+#endif
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+
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+ switch (tag) {
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+ case DHCP_NETMASK:
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+ if ((result->subnetmask == NULL || *(result->subnetmask) == '\x0') && value != 0) {
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+ result->subnetmask = ipv4_to_str(value);
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+ DEBUG_F("Storing %s as subnetmask from options\n",
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+ result->subnetmask);
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+ }
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+ /* FIXME: do we need to grok the subnet mask? */
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+ break;
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+ case DHCP_ROUTERS:
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+ if ((result->giaddr == NULL || *(result->giaddr) == '\x0')
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+ && value != 0) {
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+ result->giaddr = ipv4_to_str(value);
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+ DEBUG_F("Storing %s as gateway from options\n",
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+ result->giaddr);
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+ }
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+ break;
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+ }
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+ i += len;
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+ }
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+}
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+
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/*
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* Check netinfo for ipv4 parameters and add them to the fspec iff the
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* fspec has no existing value.
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@@ -170,16 +283,18 @@ extract_netinfo_args(struct boot_fspec_t
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if (packet->ciaddr == 0 && packet->yiaddr != 0)
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packet->ciaddr = packet->yiaddr;
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- if ((result->siaddr == NULL || *(result->siaddr) == NULL)
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+ if ((result->siaddr == NULL || *(result->siaddr) == '\x0')
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&& packet->siaddr != 0)
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result->siaddr = ipv4_to_str(packet->siaddr);
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- if ((result->ciaddr == NULL || *(result->ciaddr) == NULL)
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+ if ((result->ciaddr == NULL || *(result->ciaddr) == '\x0')
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&& packet->ciaddr != 0)
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result->ciaddr = ipv4_to_str(packet->ciaddr);
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- if ((result->giaddr == NULL || *(result->giaddr) == NULL)
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+ if ((result->giaddr == NULL || *(result->giaddr) == '\x0')
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&& packet->giaddr != 0)
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result->giaddr = ipv4_to_str(packet->giaddr);
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+ extract_vendor_options(packet, result);
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+
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/* FIXME: Yck! if we /still/ do not have a gateway then "cheat" and use
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* the server. This will be okay if the client and server are on
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* the same IP network, if not then lets hope the server does ICMP
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diff -purN yaboot-1.3.14.orig/second/fs_of.c yaboot-1.3.14/second/fs_of.c
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--- yaboot-1.3.14.orig/second/fs_of.c 2009-10-15 15:23:39.805647069 +1100
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+++ yaboot-1.3.14/second/fs_of.c 2009-10-15 15:29:04.695645439 +1100
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@@ -137,6 +137,7 @@ of_net_open(struct boot_file_t* file,
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static char buffer[1024];
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char *filename = NULL;
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char *p;
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+ int new_tftp;
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DEBUG_ENTER;
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DEBUG_OPEN;
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@@ -148,34 +149,47 @@ of_net_open(struct boot_file_t* file,
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*p = '\\';
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}
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- DEBUG_F("siaddr <%s>; filename <%s>; ciaddr <%s>; giaddr <%s>; ipv6 <%d>\n",
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- fspec->siaddr, filename, fspec->ciaddr, fspec->giaddr, fspec->is_ipv6);
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+ DEBUG_F("siaddr <%s>; filename <%s>; ciaddr <%s>; giaddr <%s>;"
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+ " ipv6 <%d>\n",
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+ fspec->siaddr, filename, fspec->ciaddr, fspec->giaddr,
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+ fspec->is_ipv6);
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+
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strncpy(buffer, fspec->dev, 768);
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if (fspec->is_ipv6)
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strcat(buffer, TOK_IPV6 ",");
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- /* If we didn't get a ':' include one */
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- if (fspec->dev[strlen(fspec->dev)-1] != ':')
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+ else if (fspec->dev[strlen(fspec->dev)-1] != ':')
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strcat(buffer, ":");
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- strcat(buffer, fspec->siaddr);
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- strcat(buffer, ",");
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- if (fspec->is_ipv6 && (strstr(filename, "filename=") == NULL))
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- strcat(buffer, "filename=");
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- strcat(buffer, filename);
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- strcat(buffer, ",");
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- strcat(buffer, fspec->ciaddr);
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- strcat(buffer, ",");
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- strcat(buffer, fspec->giaddr);
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- /* If /packages/cas exists the we have a "new skool" tftp */
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- if (prom_finddevice("/packages/cas") != PROM_INVALID_HANDLE) {
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+ /* If /packages/cas exists the we have a "new skool" tftp.
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+ * This means that siaddr is the tftp server and that we can add
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+ * {tftp,bootp}_retrys, subnet mask and tftp block size to the load
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+ * method */
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+ new_tftp = (prom_finddevice("/packages/cas") != PROM_INVALID_HANDLE);
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+ DEBUG_F("Using %s tftp style\n", (new_tftp? "new": "old"));
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+
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+ if (new_tftp) {
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+ strcat(buffer, fspec->siaddr);
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+ strcat(buffer, ",");
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+
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+ if (fspec->is_ipv6 && (strstr(filename, "filename=") == NULL))
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+ strcat(buffer, "filename=");
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+
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+ strcat(buffer, filename);
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+ strcat(buffer, ",");
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+ strcat(buffer, fspec->ciaddr);
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strcat(buffer, ",");
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+ strcat(buffer, fspec->giaddr);
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+ strcat(buffer, ",");
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strcat(buffer, fspec->bootp_retries);
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strcat(buffer, ",");
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strcat(buffer, fspec->tftp_retries);
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strcat(buffer, ",");
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+ strcat(buffer, fspec->subnetmask);
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+ strcat(buffer, ",");
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strcat(buffer, fspec->addl_params);
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} else {
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- DEBUG_F("No \"/packages/cas\" using simple args\n")
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+ strcat(buffer, ",");
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+ strcat(buffer, filename);
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}
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DEBUG_F("Opening: \"%s\"\n", buffer);
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diff -purN yaboot-1.3.14.orig/second/prom.c yaboot-1.3.14/second/prom.c
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--- yaboot-1.3.14.orig/second/prom.c 2009-10-15 15:23:39.806647224 +1100
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+++ yaboot-1.3.14/second/prom.c 2009-10-15 15:29:04.696645314 +1100
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@@ -685,6 +685,10 @@ struct bootp_packet * prom_get_netinfo (
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void *bootp_response = NULL;
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char *propname;
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struct bootp_packet *packet;
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+ /* struct bootp_packet contains a VLA, so sizeof won't work.
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+ the VLA /must/ be the last field in the structure so use it's
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+ offset as a good estimate of the packet size */
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+ size_t packet_size = offsetof(struct bootp_packet, options);
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int i = 0, size, offset = 0;
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prom_handle chosen;
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
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@@ -709,7 +713,7 @@ struct bootp_packet * prom_get_netinfo (
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if (size <= 0)
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return NULL;
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- if (sizeof(*packet) > size - offset) {
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+ if (packet_size > size - offset) {
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prom_printf("Malformed %s property?\n", propname);
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return NULL;
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}
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diff -purN yaboot-1.3.14.orig/second/yaboot.c yaboot-1.3.14/second/yaboot.c
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--- yaboot-1.3.14.orig/second/yaboot.c 2009-10-15 15:23:39.809646432 +1100
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+++ yaboot-1.3.14/second/yaboot.c 2009-10-15 15:29:04.697642396 +1100
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@@ -471,6 +471,10 @@ static int load_my_config_file(struct bo
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int minlen;
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packet = prom_get_netinfo();
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+ if (packet == NULL) {
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+ prom_printf("Failed to get netinfo data\n");
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+ return 0;
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+ }
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/*
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* First, try to match on mac address with the hardware type
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